/* ============================================
   Math Games - Colour in Fractions & Decimats
   Responsive, Accessible Stylesheet
   WCAG 2.1 AA Compliant
   ============================================ */

/* CSS Variables for Design System */
:root {
    /* Colors - WCAG 2.1 AA Compliant */
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #3b82f6;
    --color-secondary: #7c3aed;
    --color-secondary-dark: #6d28d9;
    --color-success: #059669;
    --color-warning: #d97706;
    --color-error: #dc2626;
    --color-background: #f8fafc;
    --color-surface: #ffffff;
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-border: #e2e8f0;
    --color-shadow: rgba(0, 0, 0, 0.1);
    
    /* Fraction Game Colors */
    --color-fraction-hover: #93c5fd;
    --color-fraction-selected: #1d4ed8;
    
    /* Decimal Game Colors */
    --color-decimat-border: #8b5cf6;
    --color-decimat-sheet: #efe7f8;
    --color-decimat-line: #7c3aed;
    --color-decimat-hover: #ddd6fe;
    --color-decimat-selected: #8b5cf6;
    --color-decimat-filled: #c4b5fd;
    --decimat-line-whole: 3px;
    --decimat-line-tenth: 2px;
    --decimat-line-hundredth: 1px;
    --decimat-line-thousandth: 0.5px;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px var(--color-shadow);
    --shadow-md: 0 4px 6px var(--color-shadow);
    --shadow-lg: 0 10px 15px var(--color-shadow);
    
    /* Focus Ring */
    --focus-ring: 0 0 0 3px rgba(37, 99, 235, 0.4);
}

/* Reset and Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-background);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

[hidden] {
    display: none !important;
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    text-decoration: none;
    z-index: 10000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--spacing-md);
    outline: none;
    box-shadow: var(--focus-ring);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header and Navigation */
.site-header {
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: inherit;
    border-radius: var(--radius-md);
    padding: var(--spacing-xs);
    margin: calc(var(--spacing-xs) * -1);
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.nav-brand:hover,
.nav-brand:focus-visible {
    background-color: var(--color-background);
}

.nav-brand .logo {
    font-size: var(--font-size-2xl);
}

.nav-brand h1 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.hamburger {
    display: block;
    width: 24px;
    height: 3px;
    background: var(--color-text);
    position: relative;
    transition: background var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 3px;
    background: var(--color-text);
    transition: transform var(--transition-fast);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg);
    top: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus {
    background-color: var(--color-background);
    color: var(--color-primary);
    outline: none;
}

.nav-link.active {
    background-color: var(--color-primary);
    color: white;
}

/* Main Content */
main {
    flex: 1;
    padding: var(--spacing-xl) 0;
}

/* Sections */
.section {
    display: none;
}

.section:not([hidden]) {
    display: block;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.section-intro {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-2xl);
}

/* Home Section */
.home-section {
    padding-top: var(--spacing-xl);
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.game-card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.game-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.game-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.game-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.game-card p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: var(--line-height-relaxed);
}

/* Features Overview */
.features-overview {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.features-overview h3 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-xl);
}

.features-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.features-list li {
    padding: var(--spacing-md);
    padding-left: var(--spacing-xl);
    position: relative;
    background: var(--color-background);
    border-radius: var(--radius-md);
}

.features-list li::before {
    content: '✓';
    position: absolute;
    left: var(--spacing-md);
    color: var(--color-success);
    font-weight: bold;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn:focus {
    outline: none;
    box-shadow: var(--focus-ring);
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
}

.btn-secondary {
    background-color: var(--color-surface);
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-background);
    border-color: var(--color-text-light);
}

.btn-dice {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    font-size: var(--font-size-lg);
    padding: var(--spacing-md) var(--spacing-xl);
}

.btn-dice:hover {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-secondary-dark));
}

.dice-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.dice {
    width: 80px;
    height: 80px;
    background: var(--color-surface);
    border: 3px solid var(--color-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: bold;
    color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-fast);
}

/* Fraction dice - stacked display */
.dice-fraction {
    font-size: var(--font-size-lg);
}

.frac-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1;
    gap: 1px;
}

.frac-num,
.frac-den {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.frac-line {
    display: block;
    width: 100%;
    min-width: 20px;
    height: 2px;
    background: currentColor;
}

.dice.rolling {
    animation: diceRoll 0.5s ease-in-out;
}

@keyframes diceRoll {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-15deg); }
    75% { transform: rotate(15deg); }
}

/* Fraction Wall */
.fraction-wall-container {
    margin-bottom: var(--spacing-xl);
}

.fraction-wall {
    background: var(--color-surface);
    border: 3px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    max-width: 600px;
    margin: 0 auto;
}

.fraction-row {
    display: flex;
    height: 50px;
    margin-bottom: var(--spacing-xs);
    border: 2px solid var(--color-text);
}

.fraction-row:last-child {
    margin-bottom: 0;
}

.fraction-cell {
    flex: 1;
    border-right: 1px solid var(--color-text);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.fraction-cell:last-child {
    border-right: none;
}

.fraction-cell:hover {
    background-color: var(--color-fraction-hover);
}

.fraction-cell.selected {
    background-color: var(--color-fraction-selected);
}

/* Decimat Sheet */
.decimat-board-container {
    padding: var(--spacing-md) 0;
}

.decimat-sheet {
    background: var(--color-decimat-sheet);
    border-color: rgba(139, 92, 246, 0.25);
}

.decimat-board {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(2, minmax(160px, 1fr));
    aspect-ratio: 1.75 / 1;
    width: 100%;
    min-height: 360px;
    border: var(--decimat-line-whole) solid var(--color-decimat-border);
    background: white;
    overflow: hidden;
}

.decimat-cell {
    min-width: 0;
    min-height: 0;
    background: white;
    transition: background-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.decimat-board > .decimat-cell {
    border-right: var(--decimat-line-tenth) solid var(--color-decimat-border);
    border-bottom: var(--decimat-line-tenth) solid var(--color-decimat-border);
}

.decimat-board > .decimat-cell:nth-child(5n) {
    border-right: none;
}

.decimat-board > .decimat-cell:nth-child(n + 6) {
    border-bottom: none;
}

.decimat-tenth-split {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(5, 1fr);
}

.decimat-tenth-split > .decimat-cell {
    border-right: var(--decimat-line-hundredth) solid var(--color-decimat-border);
    border-bottom: var(--decimat-line-hundredth) solid var(--color-decimat-border);
}

.decimat-tenth-split > .decimat-cell:nth-child(2n) {
    border-right: none;
}

.decimat-tenth-split > .decimat-cell:nth-child(n + 9) {
    border-bottom: none;
}

.decimat-hundredth-split {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(2, 1fr);
}

.decimat-hundredth-split > .decimat-cell {
    border-right: var(--decimat-line-thousandth) solid var(--color-decimat-border);
    border-bottom: var(--decimat-line-thousandth) solid var(--color-decimat-border);
}

.decimat-hundredth-split > .decimat-cell:nth-child(5n) {
    border-right: none;
}

.decimat-hundredth-split > .decimat-cell:nth-child(n + 6) {
    border-bottom: none;
}

.decimat-board.selecting .decimat-cell-selectable {
    cursor: pointer;
}

.decimat-board.selecting .decimat-cell-selectable:hover {
    background: var(--color-decimat-hover);
    box-shadow: inset 0 0 0 1px rgba(124, 58, 237, 0.28);
}

.decimat-cell-selected {
    background: linear-gradient(135deg, #818cf8, #6366f1);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35);
}

.decimat-cell-filled {
    background: linear-gradient(135deg, var(--color-decimat-filled), #a78bfa);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.45);
}

.decimat-scale {
    display: grid;
    grid-template-columns: 1fr auto 1fr 1fr 1fr;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-align: center;
    color: var(--color-text);
}

.decimat-scale-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-secondary);
    justify-self: center;
}

.decimat-scale-lines {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.decimat-scale-lines span {
    display: block;
    height: 2px;
    background: rgba(124, 58, 237, 0.7);
    border-radius: 999px;
}

/* Disabled Game Card */
.game-card-disabled {
    opacity: 0.5;
    pointer-events: none;
    filter: grayscale(0.8);
}

.btn-disabled {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: #9ca3af;
    color: white;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: not-allowed;
}

/* Recording Tables */
.recording-table-container {
    margin-bottom: var(--spacing-xl);
}

.recording-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
}

.recording-table th,
.recording-table td {
    padding: var(--spacing-md);
    text-align: center;
    border: 1px solid var(--color-border);
}

.recording-table th {
    background: var(--color-primary);
    color: white;
    font-weight: 600;
}

.recording-table tbody tr:nth-child(even) {
    background: var(--color-background);
}

.recording-table tbody tr:hover {
    background: #e0e7ff;
}

.recording-table tbody tr.result-correct {
    background: #d1fae5;
    border-left: 3px solid var(--color-success, #10b981);
}

.recording-table tbody tr.result-incorrect {
    background: #fee2e2;
    border-left: 3px solid var(--color-error, #ef4444);
}

.recording-table tbody tr.result-skipped {
    background: #fef3c7;
    border-left: 3px solid var(--color-warning, #f59e0b);
}

.recording-table tbody tr.result-skipped-possible {
    background: #ffedd5;
    border-left: 3px solid #ea580c;
}

.recording-table tbody tr.result-correct:hover {
    background: #a7f3d0;
}

.recording-table tbody tr.result-incorrect:hover {
    background: #fecaca;
}

.recording-table tbody tr.result-skipped:hover {
    background: #fde68a;
}

.recording-table tbody tr.result-skipped-possible:hover {
    background: #fed7aa;
}

/* Custom Dice Section */
.dice-locked-notice {
    background: #fef3c7;
    border: 1px solid var(--color-warning, #f59e0b);
    color: #92400e;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    line-height: 1.45;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.dice-version-warning {
    background: #fff7ed;
    border: 1px solid #f97316;
    color: #9a3412;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    line-height: 1.45;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.custom-dice-panel input:disabled,
.custom-dice-panel select:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    background: #f3f4f6;
}

.custom-dice-panel button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.custom-dice-panel {
    padding: var(--spacing-lg);
    background: var(--color-background);
}

.custom-dice-container {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-md);
    align-items: start;
    margin-bottom: var(--spacing-md);
}

.dice-config {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.dice-config h4 {
    font-size: var(--font-size-base);
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.dice-config-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
}

.dice-faces {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.dice-face-input {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.dice-face-input label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.dice-input,
.dice-select {
    min-height: 2.75rem;
    padding: 0.55rem 0.7rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    background: white;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.dice-input:focus,
.dice-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.dice-input:invalid {
    border-color: var(--color-error);
}

.custom-dice-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.dice-error {
    color: var(--color-error);
    text-align: center;
    margin-top: var(--spacing-md);
    font-weight: 500;
}

/* Dice Pair Display */
.dice-pair {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    justify-content: center;
}

.dice-pair-with-operator {
    gap: 0.85rem;
}

.dice-multiply-mark {
    color: var(--color-primary);
    font-size: 2.25rem;
    font-weight: 500;
    line-height: 1;
    min-width: 1.6rem;
    text-align: center;
}

.dice-and-mark {
    color: var(--color-primary);
    font-size: 1.85rem;
    font-weight: 500;
    line-height: 1;
    min-width: 1.2rem;
    text-align: center;
}

.dice.small {
    width: 60px;
    height: 60px;
    font-size: var(--font-size-xl);
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.btn-tertiary {
    background: var(--color-text-light);
    color: white;
}

.btn-tertiary:hover {
    background: var(--color-text);
}

/* Feedback Message */
.feedback-message {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    font-weight: 600;
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    animation: feedbackSlideIn 0.3s ease;
}

.feedback-message.success {
    background: linear-gradient(135deg, #d1fae5, #a7f3d0);
    color: #065f46;
    border: 2px solid #10b981;
}

.feedback-message.error {
    background: linear-gradient(135deg, #fee2e2, #fecaca);
    color: #991b1b;
    border: 2px solid #ef4444;
}

.feedback-message.warning {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    color: #92400e;
    border: 2px solid #f59e0b;
}

.feedback-message.skipped-possible {
    background: linear-gradient(135deg, #ffedd5, #fed7aa);
    color: #9a3412;
    border: 2px solid #ea580c;
}

.feedback-message.info {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    color: #1e40af;
    border: 2px solid #3b82f6;
}

@keyframes feedbackSlideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fraction Wall Selection Mode */
.fraction-wall.selecting .fraction-cell {
    cursor: pointer;
    transition: all 0.2s ease;
}

.fraction-wall.selecting .fraction-cell:hover {
    transform: scale(1.05);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

.fraction-cell.selected {
    background: linear-gradient(135deg, #818cf8, #6366f1) !important;
    border-color: #4338ca !important;
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.6);
    animation: pulse 1.5s infinite;
}

.fraction-cell.used {
    background: linear-gradient(135deg, #9ca3af, #6b7280) !important;
    cursor: not-allowed;
    opacity: 0.6;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 15px rgba(99, 102, 241, 0.6);
    }
    50% {
        box-shadow: 0 0 25px rgba(99, 102, 241, 0.9);
    }
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: var(--spacing-md);
}

.modal[hidden] {
    display: none;
}

.modal-content {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    max-width: 400px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn var(--transition-normal);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-content {
    position: relative;
    overflow: hidden;
}

.modal-content h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.modal-content p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    line-height: var(--line-height-relaxed);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* Modal icon */
.modal-icon {
    font-size: 3.5rem;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

/* Win / Lose theme */
.modal-win {
    border-top: 4px solid var(--color-success, #10b981);
}
.modal-win h3 {
    color: var(--color-success, #10b981);
}

.modal-lose {
    border-top: 4px solid var(--color-error, #ef4444);
}
.modal-lose h3 {
    color: var(--color-error, #ef4444);
}

.modal-reason {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm) !important;
}

.modal-rounds {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg) !important;
}

.game-end-modal {
    max-width: 760px;
}

/* Stats grid inside modal */
.modal-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.75rem;
    max-width: 660px;
    margin: 0 auto var(--spacing-lg);
}

.modal-stat {
    min-width: 0;
    padding: var(--spacing-sm) 0.5rem;
    border-radius: var(--radius-md);
    text-align: center;
}
.modal-stat.correct   { background: #d1fae5; }
.modal-stat.incorrect { background: #fee2e2; }
.modal-stat.skipped   { background: #fef3c7; }
.modal-stat.skipped-possible { background: #ffedd5; }
.modal-stat.accuracy  { background: #e0e7ff; }

.modal-stat-value {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
}
.modal-stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-light);
    line-height: 1.3;
    margin-top: 2px;
    white-space: nowrap;
}

/* Fireworks */
.fireworks-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 1;
}

.firework-spark {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: hsl(var(--hue), 90%, 60%);
    animation: firework-burst 1.2s ease-out var(--delay) forwards;
    opacity: 0;
}

@keyframes firework-burst {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%) rotate(var(--angle)) translateY(0) scale(1);
    }
    60% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) rotate(var(--angle)) translateY(-120px) scale(0.3);
    }
}

/* Version Picker */
.version-picker {
    max-width: 520px;
    text-align: center;
}

.version-picker-desc {
    font-size: var(--font-size-base);
}

.version-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.version-option {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: var(--spacing-lg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
    text-align: left;
}

.version-option:hover {
    border-color: var(--color-primary);
    background: #eef2ff;
    box-shadow: var(--shadow-md);
}

.version-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--color-primary);
    color: white;
}

.version-option[data-version="improper"] .version-badge {
    background: var(--color-secondary, #7c3aed);
}

.version-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
}

.version-detail {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* Footer */
.site-footer {
    background: var(--color-text);
    color: white;
    padding: var(--spacing-lg) 0;
    text-align: center;
    margin-top: auto;
}

.site-footer p {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-surface);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
    }
    
    .nav-menu[aria-expanded="true"] {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .modal-actions {
        flex-direction: column;
    }

    .modal-stat-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .custom-dice-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-base: 0.9375rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .game-card {
        padding: var(--spacing-lg);
    }
    
    .fraction-row {
        height: 40px;
    }
    
    .dice {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-lg);
    }
    
    /* Action buttons responsive */
    .action-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .action-buttons .btn {
        width: 100%;
        max-width: 250px;
    }
    
    /* Feedback message responsive */
    .feedback-message {
        font-size: var(--font-size-base);
        padding: var(--spacing-md);
    }
    
}

@media (max-width: 320px) {
    .nav-brand h1 {
        font-size: var(--font-size-lg);
    }
    
    .fraction-cell {
        font-size: 8px;
    }
}

/* Print Styles */
@media print {
    .site-header,
    .mobile-menu-toggle,
    .btn,
    .modal {
        display: none !important;
    }
    
    .section {
        display: block !important;
        page-break-after: always;
    }
    
    .fraction-wall {
        border: 2px solid black;
        print-color-adjust: exact;
        -webkit-print-color-adjust: exact;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --color-primary: #0000ff;
        --color-text: #000000;
        --color-border: #000000;
    }
    
    .fraction-cell {
        border-width: 2px;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus Visible for Keyboard Navigation */
:focus:not(:focus-visible) {
    outline: none;
}

:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* ============================================
   Game Console Layout
   Compact, app-like layout for the game section
   ============================================ */

.game-console {
    padding: 0 var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

/* Reduce main padding when game section is active */
main:has(.game-section:not([hidden])) {
    padding-top: var(--spacing-sm);
    padding-bottom: 0;
}

/* --- Sticky Status Bar --- */
.game-status-bar {
    position: sticky;
    top: 56px;
    z-index: 990;
    background: var(--color-surface);
    border-bottom: 2px solid var(--color-border);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    box-shadow: 0 2px 4px var(--color-shadow);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.game-title {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-primary);
    margin: 0;
    white-space: nowrap;
}

.status-items {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.status-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.game-status-bar .status-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.03em;
}

.game-status-bar .status-value {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-text);
    background: var(--color-background);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    min-width: 28px;
    text-align: center;
}

.status-pills {
    display: flex;
    gap: var(--spacing-xs);
}

.stat-pill {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: var(--font-size-xs);
    font-weight: 700;
    line-height: 1.4;
}

.stat-pill.correct {
    background: #d1fae5;
    color: #065f46;
}

.stat-pill.incorrect {
    background: #fee2e2;
    color: #991b1b;
}

.stat-pill.skipped {
    background: #fef3c7;
    color: #92400e;
}

.stat-pill.skipped-possible {
    background: #ffedd5;
    color: #9a3412;
}

.stat-pill.benchmark {
    background: #dbeafe;
    color: #1d4ed8;
}

/* --- Feedback override for console layout --- */
.game-console .feedback-message {
    margin: 0 0 var(--spacing-md) 0;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
}

/* --- Main Game Layout: Two-Column Grid (Wall Left, Controls Right) --- */
.game-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--spacing-lg);
    align-items: stretch;
    min-height: 0;
}

/* --- Left Panel: Fraction Wall --- */
.game-panel-left {
    min-height: 0;
}

.game-panel-left .fraction-wall-container {
    margin-bottom: 0;
    padding: var(--spacing-md) 0;
}

.game-panel-left .fraction-wall {
    max-width: 100%;
    margin: 0;
}

/* --- Right Panel: Controls (sticky) --- */
.game-panel-right {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    position: sticky;
    top: 110px;
    padding-bottom: var(--spacing-md);
}

.panel-bottom-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: auto;
}

.panel-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.panel-card-title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: var(--spacing-md);
}

/* Dice card */
.dice-card .dice-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.dice-card .dice-pair {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    justify-content: center;
}

.btn-roll-full {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
}

.how-to-play-hint {
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: var(--font-size-xs);
    cursor: pointer;
    padding: var(--spacing-xs) 0;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.how-to-play-hint:hover {
    color: var(--color-primary-dark);
}

.how-to-play-content {
    max-width: 360px;
    padding: var(--spacing-md) var(--spacing-lg);
}

.how-to-play-content h3 {
    margin-bottom: var(--spacing-sm);
}

.how-to-play-content ol {
    text-align: left;
    padding-left: var(--spacing-lg);
    margin: var(--spacing-xs) 0 var(--spacing-xs);
    line-height: var(--line-height-relaxed);
}

.how-to-play-content li {
    margin-bottom: 0;
}

/* Panel action buttons */
.panel-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: 0;
}

.panel-actions-row {
    display: flex;
    gap: var(--spacing-sm);
}

.panel-actions-row .btn {
    flex: 1;
    min-width: 0;
    padding: var(--spacing-md) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.panel-actions > .btn {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-new-game {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-dice-settings {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.history-scroll {
    max-height: 200px;
    overflow-y: auto;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.compact-table {
    font-size: var(--font-size-xs);
}

.compact-table th,
.compact-table td {
    padding: 4px 6px;
}

.compact-table th {
    position: sticky;
    top: 0;
    z-index: 1;
    font-size: 0.7rem;
}

#decimats-table {
    table-layout: fixed;
}

#decimats-table .col-round {
    width: 8%;
}

#decimats-table .col-target {
    width: 22%;
}

#decimats-table .col-selection {
    width: 28%;
}

#decimats-table .col-total {
    width: 24%;
}

#decimats-table .col-result {
    width: 18%;
}

#place-number-table {
    table-layout: fixed;
}

#place-number-table .col-round {
    width: 8%;
}

#place-number-table .col-target {
    width: 24%;
}

#place-number-table .col-total {
    width: 22%;
}

#place-number-table .col-result {
    width: 22%;
}

.wall-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

/* --- Place That Number --- */
.place-number-board-card {
    --place-line-edge-inset: clamp(0.75rem, 1.5vw, 1.125rem);
    padding: var(--spacing-lg);
    background: var(--color-surface);
}

.place-number-board-header {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.place-number-board-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.place-number-board-header .panel-card-title {
    margin-bottom: 0;
}

.place-hint-toggle {
    padding: 0.45rem 0.9rem;
    font-size: var(--font-size-sm);
    white-space: nowrap;
}

.place-anchor-note {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.place-number-line {
    position: relative;
    min-height: 220px;
    border-radius: var(--radius-lg);
    border: 2px solid #cbd5e1;
    background: #ffffff;
    overflow: hidden;
    cursor: not-allowed;
    touch-action: none;
    user-select: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.place-number-line.is-active {
    cursor: pointer;
    border-color: rgba(37, 99, 235, 0.45);
    box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.08);
}

.place-number-line.is-dragging {
    cursor: grabbing;
}

.place-number-line-inner {
    position: absolute;
    inset: 0 var(--place-line-edge-inset);
}

.place-number-track {
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 3px;
    transform: translateY(-50%);
    background: linear-gradient(90deg, #1d4ed8, #3b82f6);
}

.place-number-ticks {
    position: absolute;
    inset: 0;
}

.place-number-ticks span {
    position: absolute;
    top: calc(50% - 16px);
    width: 2px;
    height: 32px;
    background: rgba(71, 85, 105, 0.45);
    transform: translateX(-50%);
}

.place-number-ticks .place-optional-benchmark,
.place-number-labels .place-optional-benchmark {
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.place-number-line.place-benchmarks-visible .place-number-ticks .place-optional-benchmark,
.place-number-labels.place-benchmarks-visible .place-optional-benchmark {
    opacity: 1;
    visibility: visible;
}

.place-number-markers {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.place-marker {
    position: absolute;
    top: 50%;
    transform: translateX(-50%);
    width: 0;
    --place-marker-label-top: -86px;
    --place-marker-stem-top: -54px;
    --place-marker-stem-height: 54px;
    --place-marker-dot-size: 10px;
    --place-marker-dot-ring: 2px;
}

.place-marker-label {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: var(--place-marker-label-top);
    min-width: 2.75rem;
    padding: 0.25rem 0.55rem;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-align: center;
    white-space: nowrap;
    box-shadow: var(--shadow-sm);
}

.place-marker-stem {
    position: absolute;
    left: 50%;
    top: var(--place-marker-stem-top);
    height: var(--place-marker-stem-height);
    width: 2px;
    transform: translateX(-50%);
    background: rgba(37, 99, 235, 0.7);
}

.place-marker-dot {
    position: absolute;
    left: 50%;
    top: 0;
    width: var(--place-marker-dot-size);
    height: var(--place-marker-dot-size);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    background: var(--color-primary);
    box-shadow: 0 0 0 var(--place-marker-dot-ring) rgba(37, 99, 235, 0.14);
}

.place-marker-lower {
    --place-marker-label-top: 54px;
    --place-marker-stem-top: 0;
    --place-marker-stem-height: 53px;
}

.place-marker.preview .place-marker-label {
    background: #ecfeff;
    color: #0f766e;
    border: 2px dashed #14b8a6;
}

.place-marker.preview .place-marker-stem {
    background: rgba(20, 184, 166, 0.7);
}

.place-marker.preview .place-marker-dot {
    background: #14b8a6;
    box-shadow: 0 0 0 var(--place-marker-dot-ring) rgba(20, 184, 166, 0.14);
}

.place-marker.failed .place-marker-label {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.place-marker.failed .place-marker-stem {
    background: rgba(220, 38, 38, 0.78);
}

.place-marker.failed .place-marker-dot {
    background: #dc2626;
    box-shadow: 0 0 0 var(--place-marker-dot-ring) rgba(220, 38, 38, 0.14);
}

.place-marker.label-hidden .place-marker-label,
.place-marker.label-hidden .place-marker-stem {
    display: none;
}

.place-number-labels {
    position: relative;
    margin-top: var(--spacing-md);
    min-height: 1.5rem;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    font-weight: 700;
}

.place-number-labels span {
    position: absolute;
    top: 0;
    transform: translateX(-50%);
    white-space: nowrap;
}

.place-number-labels .place-number-label-start {
    left: var(--place-line-edge-inset);
    transform: none;
}

.place-number-labels .place-number-label-end {
    right: var(--place-line-edge-inset);
    left: auto;
    transform: none;
}

.place-benchmark-toggle {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    line-height: 1.45;
    cursor: pointer;
    user-select: none;
}

.dice-card .place-benchmark-toggle {
    margin-top: -0.125rem;
    align-self: stretch;
    justify-content: center;
}

.place-dice-row {
    flex-wrap: wrap;
    gap: 0.65rem;
}

.place-benchmark-toggle input {
    margin-top: 0.15rem;
    accent-color: var(--color-primary);
}

.place-choice-card {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.place-choice-message {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.place-choice-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: var(--spacing-sm);
}

.place-option-btn {
    min-height: 3rem;
    font-size: var(--font-size-lg);
    font-weight: 700;
    white-space: nowrap;
}

/* --- Bottom Collapsible Extras --- */
.game-extras {
    margin-top: var(--spacing-lg);
    padding-bottom: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.extras-history {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.extras-history .history-scroll {
    max-height: 220px;
}

.custom-dice-modal-content {
    max-width: 820px;
    max-height: min(86vh, 860px);
    padding: var(--spacing-xl);
    text-align: left;
    overflow-y: auto;
    overflow-x: hidden;
}

.custom-dice-modal-subtitle {
    margin: 0 0 var(--spacing-sm);
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

.custom-dice-modal-content .custom-dice-panel {
    padding: 0;
}

.modal-close-btn {
    margin-top: var(--spacing-sm);
}

/* ============================================
   Game Console Responsive Overrides
   ============================================ */

@media (max-width: 900px) {
    .game-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .game-panel-left {
        order: -1;
    }

    .decimat-board {
        grid-template-rows: repeat(2, minmax(140px, 1fr));
        min-height: 320px;
    }

    .decimat-scale,
    .decimat-scale-lines {
        gap: var(--spacing-sm);
    }

    .game-panel-right {
        position: static;
        max-height: none;
        overflow-y: visible;
    }

    .game-status-bar {
        top: 56px;
        flex-wrap: wrap;
        gap: var(--spacing-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .game-title {
        width: 100%;
        font-size: var(--font-size-sm);
    }

    .status-items {
        width: 100%;
        justify-content: space-between;
        gap: var(--spacing-xs);
    }

    .panel-actions {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .panel-actions-row {
        flex: 1;
        min-width: 120px;
    }

    .panel-actions > .btn {
        flex: 1;
        min-width: 100px;
    }

    .btn-new-game {
        width: auto;
    }

    .history-scroll {
        max-height: 150px;
    }

    .place-number-line {
        min-height: 200px;
    }

}

@media (max-width: 480px) {
    .game-console {
        padding: 0 var(--spacing-xs);
    }

    .game-status-bar {
        top: 50px;
        padding: 3px var(--spacing-xs);
        border-radius: 0;
    }

    .game-title {
        font-size: var(--font-size-xs);
    }

    .status-item {
        gap: 2px;
    }

    .game-status-bar .status-label {
        font-size: 0.6rem;
    }

    .game-status-bar .status-value {
        font-size: var(--font-size-xs);
        padding: 1px 5px;
    }

    .stat-pill {
        font-size: 0.65rem;
        padding: 1px 5px;
    }

    .game-layout {
        gap: var(--spacing-xs);
    }

    .panel-card {
        padding: var(--spacing-sm);
    }

    .decimat-scale {
        font-size: 0.7rem;
        gap: var(--spacing-xs);
    }

    .decimat-scale-lines {
        gap: var(--spacing-xs);
    }

    .decimat-scale-dot {
        width: 10px;
        height: 10px;
    }

    .dice-card .dice.small {
        width: 48px;
        height: 48px;
        font-size: var(--font-size-base);
    }

    .dice-card .dice-fraction {
        width: 48px;
        height: 48px;
    }

    .panel-actions-row .btn {
        font-size: var(--font-size-xs);
        padding: var(--spacing-sm);
        min-width: 0;
    }

    .panel-actions > .btn {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs);
        min-width: 80px;
    }

    .place-number-line {
        min-height: 180px;
    }

    .place-marker-label {
        min-width: 2.2rem;
        padding: 0.2rem 0.45rem;
        font-size: 0.7rem;
    }

    .place-marker {
        --place-marker-label-top: -72px;
        --place-marker-stem-top: -44px;
        --place-marker-stem-height: 44px;
        --place-marker-dot-size: 8px;
        --place-marker-dot-ring: 2px;
    }

    .place-marker-lower {
        --place-marker-label-top: 44px;
        --place-marker-stem-top: 0;
        --place-marker-stem-height: 43px;
    }

    .place-choice-buttons {
        grid-template-columns: 1fr;
    }

    .place-number-labels {
        font-size: 0.7rem;
    }
}