/* ==========================================================================
   1. DASHBOARD RESPONSIVE CONTAINER LAYOUT (Mobile-First)
   ========================================================================== */
.dashboard-container {
    width: 100%;
    margin: 70px 0 0 0;
    min-height: calc(100vh - 70px);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding-bottom: 80px; /* Space for mobile bottom bar */
}

/* ==========================================================================
   2. STICKY VERTICAL SIDEBAR MENU PANEL
   ========================================================================== */
.dashboard-left-sidebar {
    position: fixed;
    top: 0;
    left: -100%; /* Hidden by default on mobile */
    width: 100%; /* Full screen drawer on mobile */
    height: 100vh;
    background: oklch(0.18 0.01 260 / 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 2000;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 2.5rem 1.5rem 90px 1.5rem;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    box-shadow: 10px 0 30px rgba(0,0,0,0.5);
}

.dashboard-left-sidebar.is-active {
    left: 0;
}

.dashboard-left-sidebar::after {
    content: '';
    display: block;
    min-height: 90px;
    flex-shrink: 0;
}


/* Navigation Group Clusters (Mobile Horizontal Carousel) */
.sidebar-nav {
    display: flex;
    flex-direction: row;
    gap: 1rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none; /* Firefox */
}
.sidebar-nav::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}
.sidebar-nav > .nav-group {
    flex: 0 0 85%;
    scroll-snap-align: center;
}

.group-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
}

.sidebar-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.8rem;
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--color-text-muted);
    transition: all var(--transition-base);
}

.sidebar-link:hover {
    background: oklch(1 0 0 / 0.05);
    color: var(--color-text-main);
    transform: translateX(4px);
}

.sidebar-link.active {
    background: var(--color-bg-surface);
    border-left: 3px solid var(--color-accent-on);
    color: var(--color-text-main);
    font-weight: 500;
}

/* State-Driven Status Badges */
.status-icon {
    font-size: 0.9rem;
    width: 20px;
    display: inline-block;
}
.status-icon.done { color: var(--color-success); }
.status-icon.locked { color: oklch(0.5 0 0); }
.status-icon.active-dot { color: var(--color-accent-in); }

/* Special Level Exam Callout Link */
.final-exam-link {
    border: 1px dashed var(--color-accent-on);
    background: oklch(0.75 0.18 310 / 0.05);
}
.final-exam-link:hover {
    background: var(--color-accent-on);
    color: #000;
    font-weight: 600;
    box-shadow: 0 0 15px var(--color-accent-on);
}

/* ==========================================================================
   2b. COURSE ACCORDION — Native <details> element styles
   ========================================================================== */
.course-accordion {
    border: 1px solid oklch(1 0 0 / 0.08);
    border-radius: 12px;
    overflow: hidden;
    background: oklch(0.15 0.01 260 / 0.5);
    transition: border-color var(--transition-base);
}

.course-accordion:hover {
    border-color: oklch(1 0 0 / 0.15);
}

.course-accordion[open] {
    border-color: var(--color-accent-in);
    box-shadow: 0 0 20px oklch(0.75 0.15 250 / 0.1);
}

/* Accordion Header (Summary element) */
.course-accordion-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 1rem;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-main);
    border-radius: 12px;
    transition: background var(--transition-base);
    list-style: none; /* Remove default marker */
    user-select: none;
}

/* Remove the default marker/triangle for WebKit and others */
.course-accordion-header::-webkit-details-marker {
    display: none;
}

.course-accordion-header::marker {
    content: "";
}

.course-accordion-header:hover {
    background: oklch(1 0 0 / 0.05);
}

.accordion-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
}

.accordion-title {
    flex: 1;
    line-height: 1.3;
}

/* Animated Chevron */
.accordion-chevron {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    position: relative;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-chevron::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 7px;
    height: 7px;
    border-right: 2px solid var(--color-text-muted);
    border-bottom: 2px solid var(--color-text-muted);
    transform: translate(-50%, -65%) rotate(45deg);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color var(--transition-base);
}

.course-accordion[open] .accordion-chevron::before {
    transform: translate(-50%, -35%) rotate(-135deg);
    border-color: var(--color-accent-in);
}

/* Subsection Links List */
.subsection-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 0.25rem 0.5rem 0.6rem 0.5rem;
}

.subsection-link {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.55rem 0.75rem;
    border-radius: 8px;
    font-size: 0.88rem;
    color: var(--color-text-muted);
    transition: all 0.2s ease;
    cursor: pointer;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.subsection-link::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: transparent;
    border-radius: 0 3px 3px 0;
    transition: background var(--transition-base);
}

.subsection-link:hover {
    background: oklch(1 0 0 / 0.06);
    color: var(--color-text-main);
    transform: translateX(3px);
}

.subsection-link.active {
    background: oklch(1 0 0 / 0.08);
    color: var(--color-text-main);
    font-weight: 500;
}

.subsection-link.active::before {
    background: var(--color-accent-in);
}

.subsection-icon {
    font-size: 0.95rem;
    width: 22px;
    text-align: center;
    flex-shrink: 0;
}

/* Exam subsection link — special styling */
.subsection-exam {
    margin-top: 0.25rem;
    border: 1px dashed oklch(0.75 0.18 310 / 0.3);
}

.subsection-exam:hover {
    border-color: var(--color-accent-on);
    background: oklch(0.75 0.18 310 / 0.08);
    box-shadow: 0 0 12px oklch(0.75 0.18 310 / 0.15);
}

.subsection-exam.active {
    border-color: var(--color-accent-on);
    background: oklch(0.75 0.18 310 / 0.1);
}

.subsection-exam.active::before {
    background: var(--color-accent-on);
}

/* ==========================================================================
   3. CLASSROOM MAIN WORKSPACE MAIN PANEL
   ========================================================================== */
.dashboard-content {
    padding: 2.5rem;
    overflow-y: auto;
}

@keyframes livingRoadmapBg {
    0% { background-position: 0% 0%; }
    33% { background-position: 100% 50%; }
    66% { background-position: 0% 100%; }
    100% { background-position: 0% 0%; }
}

/* Module Breadcrumbs Header */
.content-context-header {
    margin-bottom: 2rem;
}

.breadcrumb-list {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.breadcrumb-list li::after {
    content: '/';
    margin-left: 0.5rem;
}

.breadcrumb-list li:last-child::after {
    content: '';
}

.current-topic-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem); /* Fluid responsive sizing integration */
    color: var(--color-text-main);
    letter-spacing: -0.5px;
}

/* Metrics Dynamic Metric Row Banner */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.metric-card {
    background: var(--color-bg-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 14px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    transition: transform var(--transition-base);
}

.metric-card:hover {
    transform: translateY(-4px);
}

.metric-value {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-accent-in);
}

.metric-title {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==========================================================================
   4. INJECTED WORKSPACE CONTENT OBJECT STYLES
   ========================================================================== */
.explanation-box {
    background: var(--color-bg-surface);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2.5rem;
}

.explanation-box h2 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--color-accent-on);
}

/* Explanation Main Article */
.explanation-main {
    border-left: 4px solid var(--color-accent-on);
}

.explanation-content {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text-main);
}

.explanation-next-hint {
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    background: oklch(0.75 0.15 250 / 0.06);
    border: 1px solid oklch(0.75 0.15 250 / 0.12);
    border-radius: 10px;
    font-size: 0.95rem;
    color: var(--color-text-muted);
    animation: fadeSlideIn 0.5s ease both;
}

/* Section Instructions */
.section-instruction {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

/* Question Number Badge */
.question-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    background: oklch(0.75 0.15 250 / 0.15);
    color: var(--color-accent-in);
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-right: 0.4rem;
    padding: 0 0.3rem;
    font-family: var(--font-heading);
}

/* ==========================================================================
   4a. WORDS TABLE (Szavak)
   ========================================================================== */
.words-section h2 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.words-table-wrapper {
    overflow-x: auto;
    border-radius: 12px;
    border: var(--glass-border);
}

.words-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.words-table thead {
    background: var(--color-bg-base);
}

.words-table th {
    padding: 0.9rem 1.2rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--color-text-muted);
    border-bottom: var(--glass-border);
}

.words-table td {
    padding: 0.75rem 1.2rem;
    border-bottom: 1px solid oklch(1 0 0 / 0.04);
    vertical-align: middle;
}

.word-row {
    transition: background var(--transition-base);
    animation: fadeSlideIn 0.4s ease both;
}

.word-row:hover {
    background: oklch(1 0 0 / 0.04);
}

.word-en {
    font-weight: 600;
    color: var(--color-accent-in);
}

.word-hu {
    color: var(--color-text-main);
}

.word-example {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ==========================================================================
   4b. FILL IN THE BLANKS (Lyukas mondatok)
   ========================================================================== */
.fill-blanks-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.fill-blank-item {
    background: oklch(1 0 0 / 0.02);
    border: 1px solid oklch(1 0 0 / 0.06);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    animation: fadeSlideIn 0.4s ease both;
}

.fill-blank-sentence {
    font-size: 1.05rem;
    line-height: 2;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.3rem;
}

.fill-blank-input {
    background: oklch(0.12 0.01 260);
    border: 2px solid oklch(1 0 0 / 0.12);
    border-radius: 8px;
    color: var(--color-text-main);
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    padding: 0.35rem 0.7rem;
    width: 90px;
    text-align: center;
    transition: all var(--transition-base);
    outline: none;
}

.fill-blank-input:focus {
    border-color: var(--color-accent-in);
    box-shadow: 0 0 12px oklch(0.75 0.15 250 / 0.25);
}

.fill-blank-input.input-correct {
    border-color: var(--color-success);
    background: oklch(0.75 0.2 150 / 0.08);
    box-shadow: 0 0 10px oklch(0.75 0.2 150 / 0.15);
}

.fill-blank-input.input-incorrect {
    border-color: var(--color-error);
    background: oklch(0.65 0.2 25 / 0.08);
    box-shadow: 0 0 10px oklch(0.65 0.2 25 / 0.15);
}

.fill-hint {
    font-size: 0.85rem;
    color: oklch(0.6 0.01 260);
    font-style: italic;
    margin-left: 0.25rem;
}

.fill-blank-actions {
    display: flex;
    gap: 0.75rem;
}

/* ==========================================================================
   4c. WORD ORDER (Szórendezés)
   ========================================================================== */
.word-order-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.word-order-item {
    background: oklch(1 0 0 / 0.02);
    border: 1px solid oklch(1 0 0 / 0.06);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    animation: fadeSlideIn 0.4s ease both;
}

.word-order-instruction {
    font-size: 1rem;
    font-weight: 500;
}

.word-chips-source {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.word-chip {
    background: oklch(0.2 0.02 260);
    border: 1px solid oklch(1 0 0 / 0.12);
    color: var(--color-text-main);
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.45rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.word-chip:hover:not(:disabled) {
    background: var(--color-accent-in);
    color: oklch(0.1 0.01 260);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px oklch(0.75 0.15 250 / 0.3);
}

.word-chip.used {
    opacity: 0.3;
    transform: scale(0.9);
    cursor: not-allowed;
}

.word-chip.placed {
    background: oklch(0.75 0.15 250 / 0.2);
    border-color: var(--color-accent-in);
    cursor: pointer;
}

.word-chip.placed:hover {
    background: oklch(0.65 0.2 25 / 0.2);
    border-color: var(--color-error);
    transform: translateY(-1px);
}

.word-order-answer {
    min-height: 48px;
    background: oklch(0.1 0.01 260);
    border: 2px dashed oklch(1 0 0 / 0.1);
    border-radius: 12px;
    padding: 0.6rem 0.8rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem;
    transition: border-color var(--transition-base);
}

.word-order-answer:has(.word-chip) {
    border-style: solid;
    border-color: oklch(1 0 0 / 0.15);
}

.answer-placeholder {
    color: oklch(0.45 0.01 260);
    font-size: 0.85rem;
    font-style: italic;
}

.word-order-actions {
    display: flex;
    gap: 0.75rem;
}

/* ==========================================================================
   4d. TRUE / FALSE (Igaz vagy Hamis)
   ========================================================================== */
.practice-box h2 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.quiz-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.quiz-item {
    background: oklch(1 0 0 / 0.02);
    border: 1px solid oklch(1 0 0 / 0.05);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    animation: fadeSlideIn 0.4s ease both;
}

.quiz-question {
    font-size: 1.05rem;
    font-weight: 500;
    line-height: 1.5;
}

.quiz-buttons {
    display: flex;
    gap: 0.75rem;
}

.btn-tf {
    background: var(--color-bg-surface);
    border: var(--glass-border);
    color: var(--color-text-main);
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.tf-icon {
    font-size: 1.1rem;
}

.btn-true:hover {
    background: oklch(0.75 0.2 150 / 0.15);
    border-color: var(--color-success);
    color: var(--color-success);
    transform: translateY(-2px);
}

.btn-false:hover {
    background: oklch(0.65 0.2 25 / 0.15);
    border-color: var(--color-error);
    color: var(--color-error);
    transform: translateY(-2px);
}

.btn-true.selected {
    background: oklch(0.75 0.2 150 / 0.15);
    border-color: var(--color-success);
    color: var(--color-success);
    box-shadow: 0 0 10px oklch(0.75 0.2 150 / 0.1);
}

.btn-false.selected {
    background: oklch(0.65 0.2 25 / 0.15);
    border-color: var(--color-error);
    color: var(--color-error);
    box-shadow: 0 0 10px oklch(0.65 0.2 25 / 0.1);
}

/* Interactive Feedback Bubble Animations */
.quiz-feedback {
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    display: none; /* Injected Javascript controls activation */
}

.quiz-feedback.correct {
    display: block;
    background: oklch(0.75 0.2 150 / 0.1);
    border: 1px solid var(--color-success);
    color: var(--color-success);
    box-shadow: 0 0 15px oklch(0.75 0.2 150 / 0.2);
    animation: feedbackPop 0.3s ease;
}

.quiz-feedback.incorrect {
    display: block;
    background: oklch(0.65 0.2 25 / 0.1);
    border: 1px solid var(--color-error);
    color: var(--color-error);
    box-shadow: 0 0 15px oklch(0.65 0.2 25 / 0.2);
    animation: feedbackPop 0.3s ease;
}

/* ==========================================================================
   4e. SECTION EXAM (Fejezet vizsga)
   ========================================================================== */
.exam-section {
    border: 1px solid oklch(0.75 0.18 310 / 0.2);
    border-radius: 16px;
    padding: 2rem;
    background: oklch(1 0 0 / 0.015);
}

.exam-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid oklch(1 0 0 / 0.06);
}

.exam-header h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.exam-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.exam-item {
    background: oklch(1 0 0 / 0.02);
    border: 1px solid oklch(1 0 0 / 0.06);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    animation: fadeSlideIn 0.3s ease both;
}

.exam-question {
    font-size: 1.05rem;
    font-weight: 500;
    line-height: 1.6;
}

.exam-input {
    width: 90px;
}

.exam-footer {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid oklch(1 0 0 / 0.06);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.btn-submit-exam {
    background: linear-gradient(135deg, var(--color-accent-on), oklch(0.65 0.2 280));
    color: #fff;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    padding: 0.85rem 2.5rem;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 4px 15px oklch(0.75 0.18 310 / 0.3);
}

.btn-submit-exam:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px oklch(0.75 0.18 310 / 0.4);
}

.exam-result-card {
    text-align: center;
    padding: 1.5rem 2.5rem;
    border-radius: 14px;
    animation: feedbackPop 0.4s ease;
}

.exam-result-card.passed {
    background: oklch(0.75 0.2 150 / 0.1);
    border: 1px solid var(--color-success);
    box-shadow: 0 0 25px oklch(0.75 0.2 150 / 0.2);
}

.exam-result-card.failed {
    background: oklch(0.65 0.2 25 / 0.1);
    border: 1px solid var(--color-error);
    box-shadow: 0 0 25px oklch(0.65 0.2 25 / 0.2);
}

.exam-score {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    display: block;
}

.passed .exam-score { color: var(--color-success); }
.failed .exam-score { color: var(--color-error); }

.exam-percentage {
    font-size: 1rem;
    color: var(--color-text-muted);
}

.exam-grade {
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 0.5rem;
    color: var(--color-text-main);
}

/* ==========================================================================
   4f. SHARED BUTTON STYLES
   ========================================================================== */
.btn-check {
    background: linear-gradient(135deg, var(--color-accent-in), oklch(0.65 0.15 270));
    color: #fff;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.5rem 1.3rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 2px 10px oklch(0.75 0.15 250 / 0.2);
}

.btn-check:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px oklch(0.75 0.15 250 / 0.3);
}

.btn-reset {
    background: transparent;
    border: 1px solid oklch(1 0 0 / 0.15);
    color: var(--color-text-muted);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 1.3rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-reset:hover {
    border-color: var(--color-text-main);
    color: var(--color-text-main);
}

/* ==========================================================================
   4g. EMPTY STATE PLACEHOLDER
   ========================================================================== */
.empty-state-section {
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.empty-state {
    text-align: center;
    padding: 3rem 2rem;
}

.empty-state-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: float 3s ease-in-out infinite;
}

.empty-state h2 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--color-text-main);
}

.empty-state p {
    color: var(--color-text-muted);
    font-size: 1rem;
    max-width: 380px;
    margin: 0 auto;
}

.empty-state-pulse {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent-in), var(--color-accent-on));
    border-radius: 2px;
    margin: 1.5rem auto 0;
    animation: pulse-bar 2s ease-in-out infinite;
}

/* ==========================================================================
   5. ANIMATIONS
   ========================================================================== */
@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes feedbackPop {
    0% { transform: scale(0.95); opacity: 0.5; }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse-bar {
    0%, 100% { opacity: 0.5; transform: scaleX(0.8); }
    50% { opacity: 1; transform: scaleX(1.2); }
}

/* ==========================================================================
   6. RESPONSIVE BREAKPOINT SYSTEM STRATEGY (768px Tablet Shift)
   ========================================================================== */
@media (max-width: 768px) {
    .dashboard-container {
        /* Collapse horizontal layout into vertical column stack */
        grid-template-columns: 1fr;
    }

    .metrics-grid {
        grid-template-columns: 1fr; /* Stack dashboard counters vertically */
        gap: 1rem;
    }

    .dashboard-content {
        padding: 1.5rem;
    }

    .drawer-modal-content {
        position: fixed !important;
        top: 0;
        right: -100%;
        width: 100% !important;
        height: 100vh !important;
        max-height: 100vh !important;
        max-width: none !important;
        border-radius: 0 !important;
        transform: none !important;
        transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
        padding: 2.5rem 1.5rem 90px 1.5rem !important;
        overflow-y: auto;
    }
    
    .modal-overlay.is-active .drawer-modal-content {
        right: 0 !important;
    }
    
    .drawer-modal-content::after {
        content: '';
        display: block;
        min-height: 90px;
        flex-shrink: 0;
    }
    
    #close-profile-btn {
        display: none !important;
    }

    .words-table th,
    .words-table td {
        padding: 0.6rem 0.8rem;
        font-size: 0.85rem;
    }

    .quiz-buttons {
        flex-direction: column;
    }

    .btn-tf {
        width: 100%;
        justify-content: center;
    }
}

/* ===== EXPLANATION TABBED SECTION & INTERACTIVE COMPONENT STYLES ===== */

/* Intro Hero Box Extensions */
.explanation-intro {
    background: var(--color-bg-surface);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    border-left: 4px solid var(--color-accent-on);
}

.explanation-intro h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-accent-on);
}

.explanation-intro p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-main);
    margin-bottom: 0.75rem;
}

.golden-rule {
    background: oklch(0.8 0.15 80 / 0.08);
    border: 1px solid oklch(0.8 0.15 80 / 0.25);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    margin: 1rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.golden-rule-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.golden-rule p {
    margin: 0;
    font-size: 0.95rem;
    color: oklch(0.85 0.1 80);
}

.golden-rule strong {
    color: oklch(0.9 0.12 80);
}

.three-brothers {
    background: oklch(0.75 0.15 250 / 0.08);
    border: 1px solid oklch(0.75 0.15 250 / 0.2);
    border-radius: 10px;
    padding: 1.25rem;
    margin: 1rem 0;
    text-align: center;
}

.brothers-title {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
}

.brothers-chips {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.brother-chip {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    padding: 0.5rem 1.5rem;
    border-radius: 12px;
    color: #fff;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.brother-am { background: linear-gradient(135deg, oklch(0.6 0.2 25), oklch(0.7 0.18 40)); box-shadow: 0 4px 15px oklch(0.6 0.2 25 / 0.3); }
.brother-is { background: linear-gradient(135deg, oklch(0.55 0.2 270), oklch(0.65 0.18 290)); box-shadow: 0 4px 15px oklch(0.55 0.2 270 / 0.3); }
.brother-are { background: linear-gradient(135deg, oklch(0.6 0.2 150), oklch(0.7 0.18 160)); box-shadow: 0 4px 15px oklch(0.6 0.2 150 / 0.3); }

/* Step Tabs */
.step-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 0;
    background: var(--color-bg-base);
    border-radius: 12px 12px 0 0;
    border: var(--glass-border);
    border-bottom: none;
    overflow: hidden;
}

.step-tab {
    flex: 1;
    padding: 0.85rem 1rem;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-muted);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    text-align: center;
}

.step-tab:not(:last-child) {
    border-right: var(--glass-border);
}

.step-tab:hover {
    color: var(--color-text-main);
    background: var(--color-bg-surface);
}

.step-tab.active {
    color: var(--color-text-main);
    background: var(--color-bg-surface);
}

.step-tab.active::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent-in), var(--color-accent-on));
    box-shadow: 0 0 10px var(--color-accent-in);
}

.step-tab-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: oklch(1 0 0 / 0.08);
    font-size: 0.75rem;
    font-weight: 700;
    margin-right: 0.4rem;
    transition: background var(--transition-base);
}

.step-tab.active .step-tab-number {
    background: var(--color-accent-in);
    color: oklch(0.1 0 0);
}

/* Step Content Panel */
.step-panels {
    background: var(--color-bg-surface);
    border: 1px solid oklch(1 0 0 / 0.08);
    border-top: none;
    border-radius: 0 0 12px 12px;
    box-shadow: var(--glass-shadow);
    overflow: hidden;
}

.step-panel {
    display: none;
    padding: 2rem;
    animation: panelFadeIn 0.35s ease;
}

.step-panel.active {
    display: block;
}

@keyframes panelFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.step-panel h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--color-accent-in);
}

.step-panel > p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

/* Flip Cards Grid */
.flip-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.flip-card {
    perspective: 800px;
    height: 140px;
    cursor: pointer;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}

.flip-card.flipped .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    backface-visibility: hidden;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    text-align: center;
    border: var(--glass-border);
}

.flip-card-front {
    background: var(--color-bg-surface);
    box-shadow: var(--glass-shadow);
}

.flip-card-back {
    background: var(--color-bg-base);
    box-shadow: var(--glass-shadow);
    transform: rotateY(180deg);
}

.flip-card-front:hover {
    border-color: var(--color-accent-in);
    box-shadow: 0 0 15px oklch(0.75 0.15 250 / 0.15);
}

.flip-card .pronoun-verb {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 0.3rem;
}

.flip-card .contraction {
    font-size: 0.85rem;
    color: var(--color-accent-in);
    font-weight: 500;
}

.flip-card .example-sentence {
    font-size: 0.85rem;
    color: oklch(0.8 0.1 250);
    font-style: italic;
    margin-top: 0.4rem;
}

.flip-card-back .hu-meaning {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-accent-on);
    margin-bottom: 0.25rem;
}

.flip-card-back .hu-example {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-style: italic;
}

.flip-hint {
    text-align: center;
    font-size: 0.85rem;
    color: oklch(0.5 0.01 260);
    margin-bottom: 1.5rem;
}

.flip-hint span {
    background: oklch(1 0 0 / 0.06);
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
}

/* Tip Callout */
.tip-callout {
    background: var(--color-bg-surface);
    border: var(--glass-border);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    margin-top: 0.5rem;
}

.tip-callout-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.tip-callout p {
    font-size: 0.9rem;
    color: var(--color-text-main);
    margin: 0;
}

/* Question Section — Side by Side Comparison */
.question-comparison {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 0.75rem;
    align-items: center;
    animation: fadeSlideIn 0.4s ease both;
}

.comparison-card {
    background: var(--color-bg-surface);
    border: var(--glass-border);
    border-radius: 10px;
    padding: 1rem;
}

.comparison-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--color-text-muted);
    margin-bottom: 0.4rem;
    font-weight: 600;
}

.comparison-en {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-main);
}

.comparison-hu {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-style: italic;
    margin-top: 0.2rem;
}

.comparison-arrow {
    font-size: 1.5rem;
    color: var(--color-accent-in);
    animation: arrowPulse 2s ease-in-out infinite;
}

.comparison-card.question-card {
    border-color: var(--color-accent-in);
    background: var(--color-bg-base);
}

.comparison-card.question-card .comparison-en {
    color: var(--color-accent-in);
}

@keyframes arrowPulse {
    0%, 100% { transform: translateX(0); opacity: 0.6; }
    50% { transform: translateX(4px); opacity: 1; }
}

/* Negation — special highlight for NOT */
.not-highlight {
    background: oklch(0.65 0.2 25 / 0.15);
    color: oklch(0.8 0.18 25);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    font-weight: 700;
    font-family: var(--font-heading);
}

/* Responsive Overrides */
@media (max-width: 600px) {
    .flip-cards-grid {
        grid-template-columns: 1fr 1fr;
    }
    .step-tab {
        font-size: 0.8rem;
        padding: 0.7rem 0.5rem;
    }
    .comparison-row {
        grid-template-columns: 1fr;
    }
    .comparison-arrow {
        transform: rotate(90deg);
        justify-self: center;
    }
}

/* ===== MANUAL COMPLETION BUTTON & FLOATING POINTS STYLES ===== */

.completion-button-container {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
    position: relative;
    width: 100%;
}

.btn-complete-section {
    background: linear-gradient(135deg, oklch(0.75 0.18 150), oklch(0.65 0.18 170));
    color: oklch(0.1 0 0);
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    padding: 0.85rem 2.5rem;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 4px 15px oklch(0.75 0.18 150 / 0.3);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    user-select: none;
}

.btn-complete-section:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px oklch(0.75 0.18 150 / 0.4);
    filter: brightness(1.05);
}

.btn-complete-section:active:not(:disabled) {
    transform: translateY(1px);
}

.btn-complete-section:disabled {
    background: oklch(0.25 0.01 260);
    border: 1px solid oklch(1 0 0 / 0.08);
    color: var(--color-text-muted);
    cursor: not-allowed;
    box-shadow: none;
}

.btn-complete-section.completed-badge {
    background: oklch(0.75 0.2 150 / 0.08);
    border: 1px solid var(--color-success);
    color: var(--color-success);
    cursor: default;
    box-shadow: none;
}

/* Floating points animated pop-up */
.floating-points-pop {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 800;
    color: oklch(0.85 0.15 120); /* Golden-green pop color */
    text-shadow: 0 0 10px oklch(0.85 0.15 120 / 0.5);
    pointer-events: none;
    animation: floatUpFade 1.2s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

@keyframes floatUpFade {
    0% {
        opacity: 0;
        transform: translate(-50%, 0) scale(0.8);
    }
    20% {
        opacity: 1;
        transform: translate(-50%, -15px) scale(1.1);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -60px) scale(1);
    }
}

/* Locked subsection link styling */
.subsection-link.locked,
.subsection-link.guest-locked {
    opacity: 0.4;
    cursor: not-allowed;
}
.subsection-link.locked:hover,
.subsection-link.guest-locked:hover {
    transform: none !important;
    background: transparent !important;
    color: var(--color-text-muted) !important;
    box-shadow: none !important;
    border-color: transparent !important;
}

/* ==========================================================================
   8. USER PROFILE MODAL & USERNAME BUTTON
   ========================================================================== */
#user-profile-btn {
    cursor: pointer;
    transition: color var(--transition-base), text-shadow var(--transition-base);
}

#user-profile-btn:hover {
    color: var(--color-accent-in);
    text-shadow: 0 0 10px oklch(0.75 0.15 250 / 0.5);
}

.profile-glass-panel {
    text-align: left;
    position: relative;
}

@media (min-width: 768px) {
    .profile-glass-panel {
        max-width: 800px;
    }
}

.profile-title {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--color-accent-in);
    font-size: 1.8rem;
}

.profile-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 768px) {
    .profile-layout {
        grid-template-columns: 1fr;
    }
}

.profile-settings-section h3, .profile-stats-section h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--color-text-main);
    border-bottom: 1px solid oklch(1 0 0 / 0.1);
    padding-bottom: 0.5rem;
}

.profile-info-block {
    background: oklch(1 0 0 / 0.03);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.profile-info-block p {
    margin-bottom: 0.5rem;
    color: var(--color-text-muted);
}
.profile-info-block p strong {
    color: var(--color-text-main);
}

.password-form .input-group {
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.password-form label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.password-form input {
    background: oklch(0.12 0.01 260);
    border: 1px solid oklch(1 0 0 / 0.15);
    border-radius: 8px;
    color: var(--color-text-main);
    padding: 0.6rem;
    font-size: 0.95rem;
    transition: border-color var(--transition-base);
}

.password-form input:focus {
    outline: none;
    border-color: var(--color-accent-in);
}

.info-tooltip {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: oklch(0.75 0.15 250 / 0.2);
    color: var(--color-accent-in);
    font-size: 0.75rem;
    font-weight: bold;
    cursor: help;
    margin-left: 0.3rem;
    border: none;
    padding: 0;
    line-height: 1;
    font-family: inherit;
}

.error-msg {
    color: var(--color-error);
    font-size: 0.8rem;
    margin-top: 0.2rem;
}

.success-msg {
    color: var(--color-success);
    font-size: 0.9rem;
    margin-top: 1rem;
    text-align: center;
}

.stat-card {
    background: oklch(1 0 0 / 0.03);
    border: 1px solid oklch(1 0 0 / 0.08);
    border-radius: 10px;
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.stat-card h4 {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.stat-large-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-accent-on);
    font-family: var(--font-heading);
}

.course-progress-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    color: var(--color-text-main);
}

.empty-state-text {
    color: var(--color-text-muted);
    font-style: italic;
    font-size: 0.9rem;
}

.mt-4 {
    margin-top: 1rem;
}

/* Custom Tooltip Styling */
.tooltip-container {
    display: inline-flex;
    position: relative;
    vertical-align: middle;
}

.custom-tooltip {
    visibility: hidden;
    opacity: 0;
    width: max-content;
    max-width: 220px;
    background-color: oklch(0.2 0.02 260);
    color: var(--color-text-main);
    text-align: center;
    border-radius: 8px;
    padding: 0.85rem;
    position: absolute;
    z-index: 100;
    bottom: 150%; 
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 4px 15px oklch(0 0 0 / 0.5);
    border: 1px solid var(--color-accent-on);
    font-size: 0.85rem;
    font-weight: normal;
    transition: opacity 0.3s, visibility 0.3s;
    pointer-events: none;
    line-height: 1.4;
    white-space: normal;
}

.custom-tooltip::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -6px;
    border-width: 6px;
    border-style: solid;
    border-color: var(--color-accent-on) transparent transparent transparent;
}

.tooltip-container:hover .custom-tooltip,
.info-tooltip:focus + .custom-tooltip,
.info-tooltip:active + .custom-tooltip {
    visibility: visible;
    opacity: 1;
}

/* ==========================================================================
   9. MODAL UI POLISH
   ========================================================================== */
.btn-close-icon {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: oklch(1 0 0 / 0.05);
    border: 1px solid oklch(1 0 0 / 0.1);
    color: var(--color-text-main);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-close-icon:hover {
    background: oklch(0.65 0.2 25 / 0.2);
    color: var(--color-error);
    border-color: var(--color-error);
    transform: rotate(90deg);
}



#btn-change-password {
    background: linear-gradient(135deg, var(--color-accent-in), oklch(0.7 0.15 250));
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 0.8rem 1.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    margin-top: 1rem;
    transition: all var(--transition-base);
    box-shadow: 0 4px 15px oklch(0.75 0.15 250 / 0.3);
}

#btn-change-password:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px oklch(0.75 0.15 250 / 0.5);
}

#btn-change-password:disabled {
    background: oklch(0.4 0.01 260);
    color: oklch(0.6 0.01 260);
    cursor: not-allowed;
    box-shadow: none;
}

.btn-close-modal {
    background: var(--color-accent-on);
    color: #000;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    box-shadow: 0 0 15px oklch(0.75 0.18 310 / 0.3);
    transition: all var(--transition-base);
    margin-top: 1rem;
}

.btn-close-modal:hover {
    transform: scale(1.03);
    box-shadow: 0 0 25px var(--color-accent-on);
}

/* ==========================================================================
   MOBILE BOTTOM NAVIGATION BAR
   ========================================================================== */
.mobile-bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 70px;
    background: var(--color-bg-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: var(--glass-border);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 3100;
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    gap: 0.25rem;
    text-decoration: none;
    transition: color var(--transition-base);
    padding: 0.5rem;
    min-width: 64px;
    min-height: 44px;
    background: transparent;
    border: none;
    font-family: inherit;
    cursor: pointer;
}

.bottom-nav-item.active,
.bottom-nav-item:hover {
    color: var(--color-accent-in);
}

.bottom-nav-icon {
    font-size: 1.5rem;
}

/* ==========================================================================
   RESUME CTA CARD (HERO)
   ========================================================================== */
.resume-cta-card {
    background: linear-gradient(135deg, oklch(0.2 0.02 260), oklch(0.15 0.01 260));
    border: 1px solid var(--color-accent-in);
    box-shadow: 0 8px 32px oklch(0.75 0.15 250 / 0.15);
    border-radius: 16px;
    padding: 1.5rem;
    margin: 0 1.5rem 1.5rem 1.5rem; /* Margins for mobile */
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: relative;
    overflow: hidden;
}

.resume-cta-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, var(--color-accent-in) 0%, transparent 70%);
    opacity: 0.1;
    transform: translate(30%, -30%);
}

.resume-cta-header {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--color-accent-in);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.resume-cta-title {
    font-size: 1.5rem;
    color: var(--color-text-main);
    font-weight: 700;
}

.resume-cta-action {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--color-accent-in), var(--color-accent-on));
    color: #000;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 700;
    text-decoration: none;
    align-self: flex-start;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    min-height: 44px;
}

.resume-cta-action:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px oklch(0.75 0.18 310 / 0.4);
}

/* ==========================================================================
   TABLET/DESKTOP MEDIA QUERY (>= 768px)
   ========================================================================== */
@media (min-width: 768px) {
    .sidebar-nav {
        flex-direction: column;
        gap: 1.5rem;
        overflow-x: visible;
        scroll-snap-type: none;
    }
    
    .sidebar-nav > .nav-group {
        flex: auto;
        scroll-snap-align: none;
    }
    
    .resume-cta-card {
        margin: 0 0 2rem 0; /* Reset margins for grid context */
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
    
    .resume-cta-action {
        align-self: center;
        margin-bottom: 0;
    }
}

/* ==========================================================================
   MINI ROADMAP (LEFT SIDEBAR)
   ========================================================================== */
.sidebar-roadmap-group {
    display: none; /* Hidden on mobile/tablets */
}

@media (min-width: 992px) {
    .dashboard-container {
        display: grid;
        grid-template-columns: 250px 1fr;
        gap: 1.5rem;
    }
    
    .dashboard-left-sidebar {
        position: sticky;
        left: auto;
        width: 100%;
        height: calc(100vh - 70px);
        top: 70px;
        background: transparent;
        border-right: 1px solid rgba(255, 255, 255, 0.05);
        padding: 2.5rem 1.5rem;
        box-shadow: none;
        z-index: 900;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        transition: none;
    }
    
    .sidebar-nav {
        flex-direction: column;
        overflow-x: visible;
    }

    .sidebar-roadmap-group {
        display: block;
        margin-top: 2rem;
        padding-top: 1.5rem;
        border-top: 1px solid oklch(1 0 0 / 0.1);
    }
    
    .mobile-close-stats-btn {
        display: none !important;
    }
    
    .mobile-bottom-bar {
        display: none !important;
    }
    
    .sidebar-roadmap-container {
        position: relative;
        width: 100%;
        height: 250px;
        background: oklch(0.15 0.01 260 / 0.5);
        border: var(--glass-border);
        border-radius: 12px;
        overflow: hidden;
        margin-top: 1rem;
    }
    
    .sidebar-roadmap-svg {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        transform: scale(0.55);
        transform-origin: top center;
    }

    .sidebar-node {
        position: absolute;
        cursor: pointer;
        transform: translate(-50%, -50%) scale(0.65);
        transition: transform 0.3s;
        z-index: 2;
    }
    
    .sidebar-node:hover:not(.locked) {
        transform: translate(-50%, -50%) scale(0.75);
    }

    .sb-node-circle {
        width: 60px;
        height: 60px;
        border-radius: 50%;
        background: oklch(0.2 0.02 260);
        border: 3px solid oklch(1 0 0 / 0.2);
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 1.8rem;
        box-shadow: 0 4px 10px rgba(0,0,0,0.5);
        transition: all 0.3s;
    }
    
    .sidebar-node.active .sb-node-circle {
        border-color: var(--color-accent-in);
        background: oklch(0.75 0.15 250 / 0.1);
        box-shadow: 0 0 20px var(--color-accent-in);
    }
    
    .sidebar-node.completed .sb-node-circle {
        border-color: var(--color-success);
        background: oklch(0.75 0.2 150 / 0.1);
        color: var(--color-success);
    }
    
    .sidebar-node.locked .sb-node-circle {
        opacity: 0.5;
        border-color: oklch(1 0 0 / 0.1);
        filter: grayscale(1);
    }
    
    .sb-lock-overlay {
        position: absolute;
        bottom: -5px;
        right: -5px;
        background: oklch(0.1 0.01 260);
        border-radius: 50%;
        width: 24px;
        height: 24px;
        display: none;
        justify-content: center;
        align-items: center;
        font-size: 0.8rem;
        border: 1px solid oklch(1 0 0 / 0.2);
    }
    
    .sidebar-node.locked .sb-lock-overlay {
        display: flex;
    }

    #sb-node-explanation { top: 22px; left: 50%; }
    #sb-node-words { top: 88px; left: 23%; }
    #sb-node-quiz { top: 154px; left: 76%; }
    #sb-node-exam { top: 214px; left: 50%; }
}

/* ==========================================================================
   5. STATS & CONTROL PANEL (RIGHT SIDEBAR)
   ========================================================================== */
.dashboard-right-sidebar {
    position: fixed;
    top: 0;
    right: -100%; /* Hidden by default on mobile/tablet */
    width: 100%;
    height: 100vh;
    background: oklch(0.18 0.01 260 / 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 2000;
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 2rem 1.5rem 90px 1.5rem;
    overflow-y: auto;
    box-shadow: -10px 0 30px rgba(0,0,0,0.5);
    display: flex;
    flex-direction: column;
}

.dashboard-right-sidebar::after {
    content: '';
    display: block;
    min-height: 90px;
    flex-shrink: 0;
}

.dashboard-right-sidebar.is-active {
    right: 0;
}

.mobile-close-stats-btn {
    display: block;
    background: oklch(1 0 0 / 0.08);
    color: var(--color-text-main);
    border: 1px solid oklch(1 0 0 / 0.15);
    padding: 0.6rem 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    cursor: pointer;
    font-weight: bold;
    width: 100%;
    text-align: left;
    transition: background 0.2s;
}

.mobile-close-stats-btn:hover {
    background: oklch(1 0 0 / 0.15);
}

.stats-widget {
    display: flex;
    flex-direction: column;
}

 

/* ==========================================================================
   LARGE DESKTOP MEDIA QUERY (>= 1200px)
   ========================================================================== */
@media (min-width: 1200px) {
    .dashboard-container {
        grid-template-columns: 250px 1fr 350px;
    }
    
    .dashboard-right-sidebar {
        position: sticky;
        top: 70px;
        right: auto;
        width: 100%;
        background: oklch(0.18 0.01 260 / 0.7);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        border-left: var(--glass-border);
        box-shadow: none;
        padding: 2rem 1.5rem;
        transition: none;
        height: calc(100vh - 70px);
        z-index: 900;
        overflow-y: auto;
    }
    
    .mobile-close-stats-btn {
        display: none;
    }
}

/* ==========================================================================
   UNIFIED QUIZ CARDS
   ========================================================================== */
.quiz-card-wrapper {
    background: oklch(0.15 0.01 260 / 0.5);
    border: var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
}

.quiz-question-box {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.quiz-answers-grid {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.quiz-opt-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.2rem;
    background: oklch(0.2 0.02 260);
    border: 1px solid oklch(1 0 0 / 0.1);
    border-radius: 12px;
    color: var(--color-text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s ease;
}

.quiz-opt-btn:hover:not(:disabled) {
    background: oklch(0.25 0.02 260);
    border-color: oklch(1 0 0 / 0.3);
    transform: translateX(4px);
}

.quiz-opt-btn:disabled {
    cursor: default;
    opacity: 0.6;
}

.quiz-opt-badge {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 28px;
    height: 28px;
    background: oklch(0.3 0.02 260);
    border-radius: 6px;
    font-weight: bold;
    font-size: 0.9rem;
    color: var(--color-accent-in);
}

.quiz-opt-btn.correct {
    background: oklch(0.6 0.15 150 / 0.1) !important;
    border-color: var(--color-success) !important;
    opacity: 1 !important;
}

.quiz-opt-btn.correct .quiz-opt-badge {
    background: var(--color-success);
    color: #fff;
}

.quiz-opt-btn.incorrect {
    background: oklch(0.6 0.15 20 / 0.1) !important;
    border-color: oklch(0.6 0.15 20) !important;
}

.quiz-opt-btn.incorrect .quiz-opt-badge {
    background: oklch(0.6 0.15 20);
    color: #fff;
}

/* ==========================================================================
   PHASE 7: VISUAL POLISH & GRADIENT MESH
   ========================================================================== */

body::before, body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    background-size: 200% 200%;
    animation: gradientMove 15s ease infinite alternate;
    opacity: 0.6;
}

body::before {
    background-image: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 40%),
                      radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 40%);
}

body::after {
    background-image: radial-gradient(circle at 80% 10%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
                      radial-gradient(circle at 20% 90%, rgba(168, 85, 247, 0.1) 0%, transparent 50%);
    animation-direction: alternate-reverse;
    animation-duration: 20s;
}

@keyframes gradientMove {
    0% { background-position: 0% 0%; }
    50% { background-position: 100% 100%; }
    100% { background-position: 0% 100%; }
}

.proto-card {
    background: oklch(0.15 0.01 260 / 0.5);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: relative;
    overflow: hidden;
}

.roadmap-hero-header {
    background: linear-gradient(135deg, oklch(0.2 0.05 250 / 0.8), oklch(0.15 0.05 260 / 0.8));
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    border: var(--glass-border);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    box-shadow: var(--glass-shadow);
}

.roadmap-hero-header::after {
    content: '';
    position: absolute;
    right: -10%;
    top: -50%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--color-accent-in) 0%, transparent 70%);
    opacity: 0.15;
    pointer-events: none;
}

.hero-icon {
    font-size: 3rem;
    filter: drop-shadow(0 0 10px var(--color-accent-in));
}

.hero-text h1 {
    font-size: 1.8rem;
    color: var(--color-accent-in);
    margin-bottom: 0.5rem;
}

.hero-text p {
    color: var(--color-text-muted);
    font-size: 1rem;
    max-width: 600px;
}



/* ==========================================================================
   PHASE 8: CODDY-STYLE ROADMAP SLIDER
   ========================================================================== */

.main-slider-wrapper {
    position: relative;
    width: 100%;
    display: flex;
    flex-wrap: nowrap;
    overflow: hidden;
    min-height: calc(100vh - 100px);
}

.roadmap-view-panel {
    width: 100%;
    flex-shrink: 0;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s, height 0s linear 0.5s;
    transform: translateX(0);
    opacity: 1;
    z-index: 5;
    background: transparent;
    height: auto;
    overflow: visible;
}

.workspace-view-panel {
    width: 100%;
    flex-shrink: 0;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s, height 0s linear 0s;
    transform: translateX(0);
    opacity: 0;
    pointer-events: none;
    z-index: 4;
    margin-left: 0;
    background: transparent;
    height: 0;
    overflow: hidden;
}

/* Active State (Lesson open) */
.main-slider-wrapper.step-active .roadmap-view-panel {
    transform: translateX(-100%);
    opacity: 0;
    pointer-events: none;
    height: 0;
    overflow: hidden;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s, height 0s linear 0.5s;
}

.main-slider-wrapper.step-active .workspace-view-panel {
    transform: translateX(-100%);
    opacity: 1;
    pointer-events: auto;
    z-index: 5;
    height: auto;
    overflow: visible;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s, height 0s linear 0s;
}

.main-roadmap-container {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    align-items: center;
    padding-bottom: 5rem;
}

.lesson-section-box {
    width: 100%;
    max-width: 600px;
    border: var(--glass-border);
    background: radial-gradient(circle at center, rgba(192, 132, 252, 0.15) 0%, transparent 70%),
                radial-gradient(circle at 10% 20%, rgba(96, 165, 250, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 90% 80%, rgba(244, 114, 182, 0.15) 0%, transparent 50%),
                oklch(0.18 0.01 260 / 0.4);
    background-size: 300% 300%;
    animation: livingRoadmapBg 8s ease-in-out infinite;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    text-align: center;
    box-shadow: var(--glass-shadow);
    position: relative;
}

.lesson-section-title {
    font-size: 1.5rem;
    color: var(--color-accent-in);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.lesson-section-title::before,
.lesson-section-title::after {
    content: '';
    flex: 1;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    margin: 0 15px;
}

.fancy-dashboard-header {
    font-size: 1.2rem;
    color: var(--color-accent-in);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: bold;
}

.fancy-dashboard-header::before,
.fancy-dashboard-header::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    margin: 0 15px;
}

.lesson-section-subtitle {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.lesson-nodes-container-flex {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.node-wrapper {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    padding-bottom: 60px; /* Instead of margin, to give height to absolute SVG */
}

.roadmap-connector-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: visible;
}

.roadmap-connector-path {
    fill: none;
    stroke: rgba(255, 255, 255, 0.15);
    stroke-width: 10;
    stroke-linecap: round;
}

.lesson-nodes-container {
    position: relative;
    width: 100%;
    height: 400px; /* Fixed height for the winding SVG path */
    margin: 0 auto;
}

.lesson-svg-path {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.lesson-node {
    position: relative; /* Prototype requires relative */
    z-index: 3;
    cursor: pointer;
    transform: none; /* Removed -50% translate because it's in a flex container */
    transition: transform 0.3s, filter 0.3s;
}

.lesson-node:hover:not(.locked) {
    transform: scale(1.15);
    filter: drop-shadow(0 0 10px var(--color-accent-in));
}

.lesson-node-circle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: oklch(0.22 0.03 260);
    border: 3px solid rgba(255, 255, 255, 0.15);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.4s ease;
    box-shadow: var(--glass-shadow);
    font-size: 1.5rem;
}

.lesson-node.completed .lesson-node-circle {
    border-color: var(--color-success);
    background-color: oklch(0.3 0.1 150 / 0.5);
    box-shadow: 0 0 15px oklch(0.75 0.2 150 / 0.4);
}

.lesson-node.active .lesson-node-circle {
    border-color: var(--color-accent-in);
    background-color: oklch(0.3 0.1 260 / 0.5);
    box-shadow: 0 0 20px oklch(0.75 0.15 250 / 0.5);
    animation: pulse-node 2s infinite alternate;
}

.lesson-node.locked {
    cursor: not-allowed;
    opacity: 0.6;
}

.lesson-node.locked .lesson-node-circle {
    filter: grayscale(100%) brightness(50%);
    border-color: rgba(255, 255, 255, 0.05);
}

.node-label {
    position: absolute;
    top: calc(100% + 5px);
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    font-weight: bold;
    color: var(--color-text-main);
    white-space: nowrap;
    background: rgba(0,0,0,0.4);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    opacity: 0;
    transition: opacity 0.3s;
}

.lesson-node:hover .node-label {
    opacity: 1;
}

.btn-back-to-map {
    background: oklch(0.25 0.05 250 / 0.5);
    border: 1px solid var(--color-accent-in);
    color: var(--color-accent-in);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.btn-back-to-map:hover {
    background: var(--color-accent-in);
    color: white;
}


/* ==========================================================================
   UI / TOGGLE SWITCHES & OVERLAYS
   ========================================================================== */

/* Toggle Switch (Csökkentett mozgás) */
.switch {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: oklch(0.2 0.05 250);
  transition: .4s;
  border: 1px solid rgba(255,255,255,0.1);
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 2px;
  bottom: 2px;
  background-color: white;
  transition: .4s;
}

input:checked + .slider {
  background-color: var(--color-success);
}

input:focus + .slider {
  box-shadow: 0 0 1px var(--color-success);
}

input:checked + .slider:before {
  transform: translateX(22px);
}

.slider.round {
  border-radius: 24px;
}

.slider.round:before {
  border-radius: 50%;
}

/* Fullscreen Overlay for Shop Modal & Quiz */
.auth-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}


/* ==========================================================================
   GENERIC BUTTON STYLES (Added for Shop and UI Controls)
   ========================================================================== */

.btn-secondary {
    background: transparent;
    border: 1px solid var(--color-accent-in);
    color: var(--color-accent-in);
    padding: 0.4rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    min-height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-accent-in);
    color: #000;
}

.btn-primary {
    background: var(--color-accent-in);
    border: 1px solid var(--color-accent-in);
    color: #000;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary:hover:not(:disabled) {
    background: var(--color-accent-on);
    border-color: var(--color-accent-on);
    box-shadow: 0 0 10px var(--color-accent-in);
}


/* ==========================================================================
   MOBILE SPACING FIXES
   ========================================================================== */
@media (max-width: 1199px) {
    .dashboard-content {
        padding-bottom: 90px !important;
    }
    .main-roadmap-container {
        padding-bottom: 90px !important;
    }
    .dashboard-right-sidebar {
        padding-bottom: 100px !important;
    }
}

/* ==========================================================================
   SWIPE DECK (FLASHCARDS)
   ========================================================================== */

.vocab-mode-toggle {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.vocab-mode-btn {
    background: var(--color-bg-surface);
    border: var(--glass-border);
    color: var(--color-text-main);
    padding: 0.6rem 1.5rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.vocab-mode-btn.active {
    background: var(--color-bg-base);
    color: var(--color-text-main);
    border-color: var(--color-accent-in);
    box-shadow: 0 0 15px var(--color-accent-in);
}

.swipe-deck-wrapper {
    display: none;
    flex-direction: column;
    align-items: center;
    width: 100%;
    margin-bottom: 3rem;
}

.swipe-deck-wrapper.active {
    display: flex;
}

.words-table-wrapper.hidden {
    display: none;
}

.swipe-deck-container {
    position: relative;
    width: 100%;
    max-width: 350px;
    height: 450px;
    perspective: 1000px;
    margin: 0 auto;
}

.swipe-card {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 20px;
    
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-origin: center center;
    cursor: grab;
    z-index: 1;
    display: none; /* Only top few cards will be shown */
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    user-select: none;
    -webkit-user-select: none;
}

.swipe-card:active {
    cursor: grabbing;
}

.swipe-card.is-top {
    z-index: 10;
    display: block;
}

.swipe-card.is-behind-1 {
    z-index: 9;
    display: block;
    transform: scale(0.95) translateY(15px);
    opacity: 0.8;
}

.swipe-card.is-behind-2 {
    z-index: 8;
    display: block;
    transform: scale(0.9) translateY(30px);
    opacity: 0.5;
}

.swipe-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.swipe-card.flipped .swipe-card-inner {
    transform: rotateY(180deg);
}

.swipe-card-front, .swipe-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: 20px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: oklch(0.18 0.02 260);
    border: var(--glass-border);
    
    pointer-events: none;
}

.swipe-card-front {
    background: #ffffff;
    box-shadow: var(--glass-shadow);
}

.swipe-card-back {
    background: #ffffff;
    box-shadow: var(--glass-shadow);
    transform: rotateY(180deg);
}

.swipe-card-word {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-accent-in);
    margin-bottom: 1rem;
}

.swipe-card-hu {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 1.5rem;
}

.swipe-card-example {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    font-style: italic;
    line-height: 1.5;
}

.swipe-overlay {
    position: absolute;
    top: 20px;
    padding: 0.5rem 1rem;
    border-radius: 10px;
    font-weight: 800;
    font-size: 1.5rem;
    text-transform: uppercase;
    opacity: 0;
    z-index: 20;
    pointer-events: none;
    transform: scale(0.8);
    transition: opacity 0.2s, transform 0.2s;
}

.swipe-overlay-know {
    left: 20px;
    color: var(--color-success);
    border: 3px solid var(--color-success);
    transform: rotate(-15deg);
}

.swipe-overlay-practice {
    right: 20px;
    color: oklch(0.6 0.15 20);
    border: 3px solid oklch(0.6 0.15 20);
    transform: rotate(15deg);
}

.swipe-card.dragging {
    transition: none; /* remove transition during drag for immediate follow */
}

/* Controls */
.swipe-controls {
    display: none; /* Hidden on mobile */
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .swipe-controls {
        display: flex;
    }
}

.swipe-control-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8rem;
    cursor: pointer;
    border: var(--glass-border);
    background: var(--color-bg-surface);
    transition: all 0.2s;
    backdrop-filter: blur(5px);
}

.btn-swipe-left {
    color: var(--color-error);
}

.btn-swipe-left:hover {
    background: var(--color-error);
    color: white;
    transform: scale(1.1);
}

.btn-swipe-right {
    color: var(--color-success);
}

.btn-swipe-right:hover {
    background: var(--color-success);
    color: white;
    transform: scale(1.1);
}

.swipe-end-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: oklch(0.15 0.01 260 / 0.8);
    border-radius: 20px;
    border: var(--glass-border);
    padding: 2rem;
    z-index: 0;
}

.swipe-end-screen.active {
    display: flex;
}

.swipe-end-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.tap-hint {
    position: absolute;
    bottom: 20px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.8;
}

/* English Alphabet Widget Styles */
.alphabet-banner-card {
    width: 100%;
    max-width: 600px;
    margin: 1.5rem 0 0 0;
    box-sizing: border-box;
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.alphabet-banner-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.alphabet-banner-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.alphabet-banner-icon {
    font-size: 2.2rem;
    background: rgba(255, 255, 255, 0.06);
    padding: 0.6rem;
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.alphabet-banner-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-accent-in);
    letter-spacing: -0.3px;
}

.alphabet-banner-subtitle {
    margin: 0.2rem 0 0 0;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.alphabet-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* Individual Alphabet Card */
.alphabet-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.alphabet-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-accent-in);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.alphabet-letter {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-text-main);
    margin-bottom: 0.15rem;
    line-height: 1;
}

.alphabet-phonetic {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-muted);
    background: rgba(255, 255, 255, 0.04);
    padding: 0.1rem 0.4rem;
    border-radius: 6px;
    margin-bottom: 0.4rem;
}

.alphabet-audio-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-text-muted);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.alphabet-audio-btn:hover {
    background: var(--color-accent-in);
    border-color: var(--color-accent-in);
    color: #000;
    transform: scale(1.1);
}

/* Mobile responsive adjustments */
@media (max-width: 576px) {
    .alphabet-banner-card {
        margin: 1rem 0 0 0;
        padding: 1rem;
    }
    .alphabet-banner-header {
        flex-direction: column;
        align-items: stretch;
    }
    #toggle-alphabet-btn {
        width: 100%;
        justify-content: center;
        margin-top: 0.75rem;
    }
    .alphabet-grid {
        grid-template-columns: repeat(auto-fill, minmax(75px, 1fr));
        gap: 0.5rem;
    }
    .alphabet-letter {
        font-size: 1.5rem;
    }
}
:root {
    --primary: #4F46E5;
    --primary-light: #818CF8;
    --success: #10B981;
    --error: #EF4444;
    --bg: #F3F4F6;
    --card-bg: rgba(255, 255, 255, 0.7);
    --text: #1F2937;
    --border: rgba(255, 255, 255, 0.5);
    --shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Nunito', sans-serif;
}

body {
    background: linear-gradient(135deg, #e0c3fc 0%, #8ec5fc 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

body.lesson-active {
    overflow: hidden; /* Prevent body scrolling during lessons */
}

#app {
    width: 100%;
    max-width: 480px;
    min-height: 100vh;
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 40px;
    box-shadow: var(--shadow);
    position: relative;
}

/* Mascot Positioning */
.mascot-container {
    position: absolute;
    bottom: 10px;
    left: 10px;
    z-index: 1000;
    cursor: pointer;
    transition: transform 0.2s;
}
.mascot-svg {
    width: 120px;
    height: 120px;
}
.mascot-container:hover {
    transform: translateY(-5px);
}
.mascot-chat-bubble {
    background: white;
    color: #333;
    padding: 0.8rem 1rem;
    border-radius: 16px;
    border-bottom-left-radius: 4px;
    font-weight: 800;
    font-size: 0.9rem;
    text-align: center;
    position: absolute;
    top: -20px;
    right: -10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s, transform 0.3s;
    pointer-events: none;
}
.mascot-container:hover .mascot-chat-bubble,
.mascot-container.is-talking .mascot-chat-bubble {
    opacity: 1;
    transform: translateY(0);
}
/* Mascot SVG Animation Classes */
.breathe-y { transform-origin: bottom center; animation: breathe 3s infinite ease-in-out; }
.head-bob { transform-origin: center bottom; animation: head-bob 3s infinite ease-in-out; }
.eye { transform-origin: center; animation: blink 4s infinite; }
.ear-left { transform-origin: top right; animation: flick-left 5s infinite; }
.ear-right { transform-origin: top left; animation: flick-right 7s infinite; }
.mouth-talk { display: none; transform-origin: center; animation: talk 0.2s infinite alternate; }
.is-talking .mouth-smile { display: none; }
.is-talking .mouth-talk { display: block; }
@keyframes breathe { 0%, 100% { transform: scaleY(1); } 50% { transform: scaleY(1.02); } }
@keyframes head-bob { 0%, 100% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-2px) rotate(0.5deg); } }
@keyframes blink { 0%, 96%, 98%, 100% { transform: scaleY(1); } 97% { transform: scaleY(0.1); } }
@keyframes flick-left { 0%, 95%, 100% { transform: rotate(0deg); } 97% { transform: rotate(-6deg); } }
@keyframes flick-right { 0%, 93%, 100% { transform: rotate(0deg); } 96% { transform: rotate(6deg); } }
@keyframes talk { 0% { transform: scaleY(1); } 100% { transform: scaleY(2.2); } }

#app.lesson-active {
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
}

.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background: white;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
    border-radius: 30px;
    overflow: hidden;
}

.screen.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

/* Make roadmap screen static so it expands the #app container */
#roadmap-screen.screen.active {
    position: relative;
    height: auto;
    min-height: 100vh;
    min-height: 100dvh;
    padding-bottom: 5rem;
    background: transparent;
    width: calc(100% - 2rem);
}

#end-screen {
    border-radius: 30px;
}

.lesson-separator {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 2rem 0;
    color: #6B7280;
    font-weight: 700;
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}
.lesson-separator::before,
.lesson-separator::after {
    content: "";
    flex: 1;
    border-bottom: 2px dashed #9CA3AF;
    margin: 0 1rem;
}


h1, h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, #4F46E5, #9333EA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: #4B5563;
}

.primary-btn {
    background: linear-gradient(90deg, #4F46E5, #9333EA);
    color: white;
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.2rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 16px;
    cursor: pointer;
    box-shadow: 0 6px 0 #3730A3;
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 0 #3730A3;
}

.primary-btn:active {
    transform: translateY(6px);
    box-shadow: 0 0 0 #3730A3;
}

/* Game Screen Elements */
.progress-bar {
    width: 100%;
    height: 10px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 5px;
    position: absolute;
    top: 2rem;
    left: 0;
    margin: 0 2rem;
    width: calc(100% - 4rem);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #10B981, #34D399);
    width: 0%;
    transition: width 0.3s ease;
}

.prompt-container {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    min-height: 0; /* allows shrinking */
}

.text-prompt {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 1rem;
}

.text-prompt.hidden {
    display: none;
}

.icon-btn {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: white;
    border: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    color: var(--primary);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1rem;
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.icon-btn:hover {
    transform: scale(1.1);
}

.icon-btn.playing {
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.4); }
    70% { box-shadow: 0 0 0 20px rgba(79, 70, 229, 0); }
    100% { box-shadow: 0 0 0 0 rgba(79, 70, 229, 0); }
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
    flex-shrink: 1;
    overflow-y: auto;
    min-height: 0;
}

.option-card {
    background: var(--card-bg);
    border: 2px solid transparent;
    border-radius: 24px;
    padding: 2rem 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 0 rgba(0,0,0,0.05);
}

.option-card svg,
.option-card img {
    width: 64px;
    height: 64px;
    stroke-width: 1.5;
    color: #374151;
    margin-bottom: 0.5rem;
    transition: transform 0.3s ease;
    object-fit: contain;
}

.option-card span {
    font-weight: 600;
    font-size: 1.1rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.option-card:hover {
    transform: translateY(-2px);
    background: white;
    box-shadow: 0 8px 0 rgba(0,0,0,0.1);
}

.option-card:active {
    transform: translateY(6px);
    box-shadow: 0 0 0 rgba(0,0,0,0.05);
}

.option-card:hover svg,
.option-card:hover img {
    transform: scale(1.1);
}

.option-card.correct {
    background: #D1FAE5;
    border-color: #10B981;
}

.option-card.correct svg,
.option-card.correct img {
    color: #10B981;
}

.option-card.wrong, .assembly-area.wrong {
    background: #FEE2E2;
    border-color: #EF4444;
    animation: shake 0.5s;
}

.option-card.wrong svg,
.option-card.wrong img {
    color: #EF4444;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    50% { transform: translateX(5px); }
    75% { transform: translateX(-5px); }
}

.feedback-msg {
    position: absolute;
    bottom: 2rem;
    font-weight: 700;
    font-size: 1.2rem;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    transition: opacity 0.3s, transform 0.3s;
}

.feedback-msg.hidden {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
}

.celebration-icon {
    font-size: 5rem;
    margin-bottom: 1rem;
}

/* Sentence Builder */
.sentence-builder {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    flex-shrink: 0;
    margin-bottom: 0.5rem;
    align-items: center;
}

.sentence-builder.hidden {
    display: none;
}

.assembly-area, .word-bank {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    min-height: 60px;
    width: 100%;
    justify-content: center;
    padding: 1rem;
    border-radius: 15px;
}

.assembly-area {
    border: 2px dashed #9CA3AF;
    background: rgba(255,255,255,0.5);
}

.word-block {
    padding: 0.75rem 1.25rem;
    background: white;
    border: 2px solid #E5E7EB;
    border-radius: 16px;
    font-weight: 800;
    font-size: 1.1rem;
    cursor: pointer;
    box-shadow: 0 4px 0 #E5E7EB;
    transition: transform 0.1s;
    user-select: none;
    color: var(--text);
}

.word-block:hover {
    transform: translateY(-2px);
    border-color: var(--primary-light);
    box-shadow: 0 6px 0 var(--primary-light);
}

.word-block:active {
    transform: translateY(4px);
    box-shadow: 0 0 0 var(--primary-light);
}

.check-btn {
    width: 100%;
    margin-top: 1rem;
}

/* Roadmap Screen Elements */
#roadmap-screen {
    background: transparent;
    overflow-y: scroll;
}
#roadmap-screen::-webkit-scrollbar {
    width: 6px;
}
#roadmap-screen::-webkit-scrollbar-thumb {
    background-color: rgba(0,0,0,0.2);
    border-radius: 10px;
}

.roadmap-container {
    position: relative;
    width: 100%;
    min-height: 700px;
    margin-top: 1rem;
}

.roadmap-path {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 700px;
    z-index: 0;
}

.roadmap-nodes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.map-node {
    position: absolute;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), filter 0.2s;
    user-select: none;
}

.map-node:hover:not(.locked) {
    transform: translate(-50%, -50%) scale(1.1);
}

.map-node:active:not(.locked) {
    transform: translate(-50%, -50%) scale(0.95);
}

/* Node Types */
.gamified {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
}

.library {
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
    border: 3px dashed #9CA3AF;
    background: #F3F4F6;
    color: #1F2937;
    flex-direction: column;
}
.library .node-label {
    position: absolute;
    bottom: -20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: #4B5563;
    white-space: nowrap;
}

.boss {
    width: 70px;
    height: 70px;
    font-size: 2rem;
    background: #10B981;
    border: 4px solid white;
}

.final-boss {
    width: 85px;
    height: 85px;
    font-size: 2.5rem;
    background: #EF4444;
    border: 4px solid white;
}

/* Node States */
.locked {
    background: #D1D5DB !important;
    border-color: #9CA3AF !important;
    color: #9CA3AF !important;
    filter: grayscale(100%);
    cursor: not-allowed;
}

.completed {
    background: #10B981;
    border: 4px solid white;
}
.completed .node-icon {
    /* Optional: replace icon with checkmark visually or keep the star */
}

.current {
    background: linear-gradient(135deg, #4F46E5, #9333EA);
    border: 4px solid white;
    animation: node-pulse 2s infinite;
}

@keyframes node-pulse {
    0% { box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(79, 70, 229, 0); }
    100% { box-shadow: 0 0 0 0 rgba(79, 70, 229, 0); }
}

/* Boss Arena Layout */
.boss-arena {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    padding-bottom: 1rem;
    margin-bottom: 0;
    border-bottom: 2px dashed rgba(255,255,255,0.5);
    flex-shrink: 0;
}

.character-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
}

.boss-container {
    justify-content: flex-end; /* Boss on right */
}

.player-container {
    justify-content: flex-start; /* Player on left */
}

.boss-avatar, .player-avatar {
    width: 90px;
    height: 90px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 3.5rem;
    background: transparent;
}

.boss-avatar img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 10px 15px rgba(0,0,0,0.2));
}

.hearts-container {
    display: flex;
    gap: 0.25rem;
    font-size: 1.5rem;
}

/* Animations */
@keyframes bossIdle {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.boss-avatar {
    animation: bossIdle 3s ease-in-out infinite;
    transform-origin: center;
}

@keyframes bossFlip {
    0% { transform: translateY(0) rotate(0deg); filter: brightness(1); }
    50% { transform: translateY(-50px) rotate(180deg) scale(0.8); filter: brightness(1.5) sepia(1) hue-rotate(-50deg); }
    100% { transform: translateY(0) rotate(360deg); filter: brightness(1); }
}

.boss-avatar.boss-hit {
    animation: bossFlip 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}

@keyframes bossLunge {
    0% { transform: translateX(0) scale(1); }
    40% { transform: translateX(-60px) scale(1.3); }
    100% { transform: translateX(0) scale(1); }
}

.boss-avatar.boss-attack {
    animation: bossLunge 0.5s ease-in-out !important;
}

@keyframes screenShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px) rotate(-1deg); }
    50% { transform: translateX(10px) rotate(1deg); }
    75% { transform: translateX(-10px) rotate(-1deg); }
}

#boss-screen.player-hit {
    animation: screenShake 0.5s ease;
}
#boss-screen.player-hit::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(239, 68, 68, 0.2);
    border-radius: 30px;
    pointer-events: none;
    z-index: 100;
}

.projectile {
    position: absolute;
    top: 0;
    left: 0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    z-index: 100;
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    pointer-events: none;
    /* Center it perfectly based on translate */
    margin-top: -15px;
    margin-left: -15px;
}

.projectile.hidden {
    opacity: 0;
    visibility: hidden;
    transition: none; /* Disappear instantly without animating out */
}

/* Boss Fireball */
.projectile.fire {
    background: radial-gradient(circle, #fbbf24 0%, #ef4444 60%, #b91c1c 100%);
    box-shadow: 0 0 20px #ef4444, inset 0 0 10px #fef08a;
}
.projectile.fire::after {
    content: '';
    position: absolute;
    top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 150%; height: 150%;
    background: radial-gradient(circle, rgba(239, 68, 68, 0.5) 0%, transparent 70%);
    border-radius: 50%;
    animation: flicker 0.2s infinite alternate;
}

/* Player Magic Ball */
.projectile.magic {
    background: radial-gradient(circle, #93c5fd 0%, #3b82f6 60%, #1d4ed8 100%);
    box-shadow: 0 0 20px #3b82f6, inset 0 0 10px #dbeafe;
}
.projectile.magic::after {
    content: '';
    position: absolute;
    top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 150%; height: 150%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.5) 0%, transparent 70%);
    border-radius: 50%;
    animation: flicker 0.2s infinite alternate;
}

@keyframes flicker {
    0% { transform: translate(-50%, -50%) scale(0.9); opacity: 0.8; }
    100% { transform: translate(-50%, -50%) scale(1.1); opacity: 1; }
}

/* Feedback Modal Overlay */
#feedback-modal {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
    transition: opacity 0.3s ease;
}

#feedback-modal.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-content {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    transform: scale(1);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    width: 80%;
    max-width: 300px;
}

.modal-content h2 {
    margin-bottom: 0.5rem;
}

#feedback-modal.hidden .modal-content {
    transform: scale(0.8);
}



/* ==========================================================================
   DASHBOARD PLAYFUL UI OVERRIDES
   ========================================================================== */

/* 1. Heavy Rounded Corners */
.metric-card, .stats-widget, .glass-panel, .shop-item, .streak-fire-widget {
    border-radius: 24px !important;
    border: none !important;
    box-shadow: none !important;
}

/* 2. Chunky Pushable Buttons */
.btn, .btn-secondary, .btn-logout, #btn-paywall-register, #btn-guest-register, #btn-clear-guest-data {
    border-radius: 16px !important;
    font-family: 'Nunito', sans-serif !important;
    font-weight: 800 !important;
    text-transform: uppercase !important;
    letter-spacing: 1px !important;
    transition: transform 0.1s, box-shadow 0.1s !important;
    position: relative;
    top: 0;
}

/* Secondary Chunky Button (Outline/Accent) */
.btn-secondary {
    background-color: transparent !important;
    border: 2px solid var(--color-accent-in) !important;
    color: var(--color-accent-in) !important;
    box-shadow: 0 5px 0 var(--color-accent-in) !important;
}
.btn-secondary:active {
    transform: translateY(5px) !important;
    box-shadow: 0 0 0 var(--color-accent-in) !important;
}

/* Left Sidebar Navigation Pills */
.nav-link {
    border-radius: 16px !important;
    font-weight: 700 !important;
    transition: all 0.2s !important;
}
.nav-link::after {
    display: none !important; /* Remove neon line */
}
.nav-link.active, .nav-link:hover {
    background-color: oklch(1 0 0 / 0.1) !important;
    transform: translateX(5px) !important;
    color: var(--color-accent-in) !important;
}

/* Title text */
.current-topic-title {
    font-weight: 800 !important;
    letter-spacing: -0.5px !important;
    font-family: 'Nunito', sans-serif !important;
}

/* Dashboard Sidebar Styling */
.dashboard-left-sidebar {
    border-right: 2px solid oklch(1 0 0 / 0.05) !important;
}
.dashboard-right-sidebar {
    border-left: 2px solid oklch(1 0 0 / 0.05) !important;
}

/* Mascot is already positioned inside the app container, but we also added it to the sidebar.
   Wait! In the new merged layout, I added the Tyler Mascot to the left sidebar (.sidebar-footer)!
   So the mascot CSS rules are needed for the sidebar. */

.sidebar-footer .mascot-container {
    position: relative !important;
    bottom: 0 !important;
    left: 0 !important;
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 24px;
    padding: 1.5rem 1rem;
    border: 2px dashed rgba(255, 255, 255, 0.1);
}

.sidebar-footer .mascot-chat-bubble {
    top: -30px !important;
    right: -20px !important;
}

/* ==========================================================================
   MATTE SIDEBARS & BACKGROUND REFINEMENT
   ========================================================================== */
body {
    background: #F3F4F6 !important; /* Solid clean background */
    animation: none !important;
}

.dashboard-left-sidebar, .dashboard-right-sidebar {
    background: #F9FAFB !important; /* Off-White matte */
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    color: #1F2937 !important;
}

.dashboard-left-sidebar {
    border-right: 2px solid #E5E7EB !important;
}

.dashboard-right-sidebar {
    border-left: 2px solid #E5E7EB !important;
    overflow-y: visible !important; /* Stop scrolling inside right sidebar */
    position: sticky !important;
    top: 0 !important;
    height: 100vh !important;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

/* Typography fix for matte background */
.sidebar-footer a, .nav-link, .stats-widget h3 {
    color: #4B5563 !important;
}
.sidebar-footer a:hover, .nav-link:hover, .nav-link.active {
    color: var(--color-accent-in) !important;
}
.metric-title {
    color: #6B7280 !important;
}
.stat-card h4 {
    color: #6B7280 !important;
}

/* Ensure #app does not crop absolute positioned children outside of it (like Tyler) */
#app {
    overflow: visible !important;
}

#app.lesson-active {
    overflow: hidden !important;
}


/* FIT SIDEBARS TO SCREEN */
.dashboard-left-sidebar, .dashboard-right-sidebar {
    height: 100vh !important;
    overflow: hidden !important;
    padding: 1rem 1rem !important; /* tighter padding */
    display: flex !important;
    flex-direction: column !important;
}
.dashboard-right-sidebar hr {
    margin: 0.4rem 0 !important;
}
.stats-widget {
    margin-bottom: 0 !important;
    padding: 0.8rem 1rem !important; /* tighter widget padding */
}
.dashboard-right-sidebar > div {
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    height: 100%;
}
.top-stats-bar {
    margin-top: -1rem !important; /* adjust for new padding */
    margin-left: -1rem !important;
    margin-right: -1rem !important;
    margin-bottom: 0.5rem !important;
    padding: 0.8rem 1rem !important;
}

/* ==========================================================================
   RESPONSIVE LAYOUT FIXES
   ========================================================================== */
/* Mobile & Tablet (<992px) - Revert right sidebar to off-canvas drawer */
@media (max-width: 991px) {
    .dashboard-right-sidebar {
        position: fixed !important;
        right: -100% !important; /* hide off screen */
        top: 0 !important;
        width: 320px !important;
        z-index: 2000 !important;
        transition: right 0.3s ease !important;
    }
    .dashboard-right-sidebar.is-active {
        right: 0 !important;
    }
    .dashboard-left-sidebar {
        position: fixed !important;
        left: -100% !important;
        width: 320px !important;
        z-index: 2000 !important;
        transition: left 0.3s ease !important;
    }
    .dashboard-left-sidebar.is-active {
        left: 0 !important;
    }
}

/* Desktop (>=992px) - Force 3 column grid so right sidebar doesn't wrap to the left */
@media (min-width: 992px) {
    .dashboard-container {
        display: grid !important;
        grid-template-columns: 250px 1fr 320px !important;
        gap: 0 !important; /* Let the gutters handle spacing */
    }
    
    .dashboard-right-sidebar {
        position: sticky !important;
        right: 0 !important;
    }
    .dashboard-left-sidebar {
        position: sticky !important;
        left: 0 !important;
    }
    
    /* Center the app container gracefully */
    .main-stage-track {
        display: flex;
        justify-content: center;
        padding-top: 2rem;
    }
}


/* COMPACT RIGHT SIDEBAR TO FIT 100vh */
.dashboard-right-sidebar {
    padding: 1rem 1rem !important; /* Reduce outer padding */
    justify-content: flex-start !important;
}

.dashboard-right-sidebar > div {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 0.3rem; /* Very tight vertical spacing */
    height: 100%;
}

.dashboard-right-sidebar hr {
    display: none !important; /* Hide horizontal rules to save vertical space */
}

.stats-widget {
    padding: 0.6rem 0.8rem !important;
    margin-bottom: 0 !important;
}

.stats-widget h3 {
    margin-bottom: 0.3rem !important;
}

.top-stats-bar {
    padding: 0.5rem 1rem !important;
    margin-bottom: 0.3rem !important;
}

.shop-item {
    padding: 0.4rem !important;
}

.shop-grid {
    gap: 0.4rem !important;
}

/* Ensure images/SVGs in the sidebar shrink slightly if needed */
.streak-fire-widget svg, .top-stats-bar svg {
    transform: scale(0.9);
}

/* Make sure the main app area scrolling works perfectly when duplicated */
.main-stage-track {
    padding-bottom: 3rem; /* Extra padding at the bottom of the scroll */
}

/* --- LIBRARY VIEW MODIFICATIONS --- */
#app.library-active {
    max-width: 900px;
    height: 100vh;
    height: 100dvh;
    overflow-y: auto;
}

#app.library-active #game-screen.active {
    position: relative;
    height: auto;
    min-height: 100vh;
    min-height: 100dvh;
    overflow-y: visible;
}

#app.library-active .progress-bar-container,
#app.library-active .game-footer,
#app.library-active .top-left-close-btn {
    display: none !important;
}

/* Make roadmap screen static so it expands the #app container */
#roadmap-screen.screen.active {
    position: relative;
    height: auto;
    min-height: 100vh;
    min-height: 100dvh;
}