/* ==================== CSS VARIABLES ==================== */
:root {
    --background: #ffffff;
    --foreground: #1a1a1a;
    --card: #ffffff;
    --card-border: #e5e5e5;
    --primary: #4a90d9;
    --primary-hover: #3a7bc8;
    --primary-foreground: #ffffff;
    --secondary: #f5f5f5;
    --secondary-hover: #e5e5e5;
    --secondary-foreground: #1a1a1a;
    --muted: #f5f5f5;
    --muted-foreground: #737373;
    --destructive: #ef4444;
    --destructive-hover: #dc2626;
    --border: #e5e5e5;
    --ring: #4a90d9;
    --radius: 12px;
    --radius-lg: 16px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
}

.dark {
    --background: #0a0a0a;
    --foreground: #fafafa;
    --card: #171717;
    --card-border: #262626;
    --primary: #5a9de6;
    --primary-hover: #4a8dd6;
    --secondary: #262626;
    --secondary-hover: #333333;
    --secondary-foreground: #fafafa;
    --muted: #262626;
    --muted-foreground: #a3a3a3;
    --border: #262626;
}

/* Theme Colors */
.theme-space { --primary: #8b5cf6; --primary-hover: #7c3aed; --ring: #8b5cf6; }
.theme-princess { --primary: #ec4899; --primary-hover: #db2777; --ring: #ec4899; }
.theme-sports { --primary: #f97316; --primary-hover: #ea580c; --ring: #f97316; }
.theme-football { --primary: #4a90d9; --primary-hover: #3a7bc8; --ring: #4a90d9; }
.theme-unicorn { --primary: #a855f7; --primary-hover: #9333ea; --ring: #a855f7; }
.theme-ocean { --primary: #0ea5e9; --primary-hover: #0284c7; --ring: #0ea5e9; }
.theme-jungle { --primary: #15803d; --primary-hover: #166534; --ring: #15803d; }

/* ==================== RESET ==================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.5;
    min-height: 100vh;
    min-height: 100dvh;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
input[type="number"] { -moz-appearance: textfield; }

/* ==================== APP CONTAINER ==================== */
.app-container {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* ==================== THEME BACKGROUND ==================== */
.theme-background {
    position: fixed;
    inset: 0;
    z-index: -2;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.5s;
}
.theme-background.active { opacity: 0.12; }
.dark .theme-background.active { opacity: 0.08; }

.theme-animations {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

/* ==================== VIEWS ==================== */
.view {
    display: none;
    flex: 1;
    flex-direction: column;
    padding: 16px;
    max-width: 480px;
    margin: 0 auto;
    width: 100%;
}
.view.active { display: flex; }

.view-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* ==================== TOP BAR ==================== */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    margin-bottom: 16px;
}

.top-bar-left {
    display: flex;
    align-items: center;
}

.top-bar-right {
    display: flex;
    align-items: center;
}

/* Language Toggle */
.language-toggle {
    display: flex;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--card);
}

.lang-btn {
    padding: 10px 16px;
    border: none;
    background: transparent;
    font-size: 14px;
    font-weight: 600;
    color: var(--muted-foreground);
    cursor: pointer;
    transition: all 0.15s;
}

.lang-btn:first-child {
    border-right: 1px solid var(--border);
}

.lang-btn.active {
    background: var(--secondary);
    color: var(--foreground);
}

.lang-btn:hover:not(.active) {
    background: var(--secondary);
}

/* Icon Buttons */
.icon-buttons {
    display: flex;
    gap: 4px;
}

.icon-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--card);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted-foreground);
    transition: all 0.15s;
}

.icon-btn:hover {
    background: var(--secondary);
    color: var(--foreground);
}

.icon-btn svg {
    width: 22px;
    height: 22px;
}

/* ==================== HEADER ==================== */
.header {
    text-align: center;
    margin-bottom: 24px;
}

.app-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--foreground);
    margin-bottom: 4px;
}

.app-subtitle {
    font-size: 16px;
    color: var(--muted-foreground);
}

/* ==================== LEVEL CARD ==================== */
.level-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    margin-bottom: 12px;
}

.level-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.level-icon {
    font-size: 24px;
}

.level-text {
    font-weight: 600;
    color: var(--foreground);
}

.level-separator {
    color: var(--muted-foreground);
}

.level-name {
    color: var(--muted-foreground);
}

.stars-display {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
}

.star-icon-inline {
    font-size: 20px;
}

/* Progress Bar Container */
.progress-bar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    padding: 0 4px;
}

.progress-label {
    font-size: 14px;
    color: var(--muted-foreground);
}

.progress-fraction {
    font-size: 14px;
    color: var(--muted-foreground);
}

.progress-bar-track {
    height: 8px;
    background: var(--muted);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 24px;
}

.progress-bar-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 8px;
    transition: width 0.3s ease;
}

/* ==================== STATS BAR (for other views) ==================== */
.stats-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.stat-card {
    flex: 1;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px 12px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--muted-foreground);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.stat-value.stat-green { color: var(--primary); }
.star-icon { font-size: 18px; }

.stat-sublabel {
    font-size: 12px;
    color: var(--muted-foreground);
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border-radius: var(--radius-lg);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.15s;
    text-decoration: none;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
    background: var(--primary);
    color: var(--primary-foreground);
}
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); }

.btn-secondary {
    background: var(--secondary);
    color: var(--secondary-foreground);
    border: 1px solid var(--border);
}
.btn-secondary:hover:not(:disabled) { background: var(--secondary-hover); }

.btn-outline {
    background: var(--card);
    color: var(--foreground);
    border: 1px solid var(--border);
}
.btn-outline:hover:not(:disabled) { background: var(--secondary); }

.btn-danger {
    background: var(--destructive);
    color: white;
}
.btn-danger:hover:not(:disabled) { background: var(--destructive-hover); }

.btn-large { padding: 16px 32px; font-size: 16px; }
.btn-small { padding: 8px 16px; font-size: 14px; }
.btn-full { width: 100%; }

.btn-icon { font-size: 18px; }

.btn-back {
    background: none;
    border: none;
    color: var(--muted-foreground);
    cursor: pointer;
    padding: 8px 0;
    font-size: 14px;
    text-align: left;
    margin-bottom: 16px;
}
.btn-back:hover { color: var(--foreground); }

/* ==================== MENU ==================== */
.menu-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: auto;
}

.menu-row {
    display: flex;
    gap: 12px;
}

.btn-half {
    flex: 1;
    padding: 14px 16px;
}

.badge-counter {
    background: var(--muted);
    color: var(--muted-foreground);
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    margin-left: 4px;
}

.menu-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 24px 0 16px;
}

.link-btn {
    background: none;
    border: none;
    color: var(--muted-foreground);
    cursor: pointer;
    font-size: 14px;
    padding: 4px 8px;
}
.link-btn:hover { color: var(--primary); }

.link-separator { color: var(--muted-foreground); font-size: 12px; }

/* ==================== FOOTER ==================== */
.footer {
    padding: 16px;
    text-align: center;
    font-size: 13px;
    color: var(--muted-foreground);
    margin-top: auto;
}
.footer a {
    color: var(--muted-foreground);
    text-decoration: none;
}
.footer a:hover { color: var(--primary); }

.minimal-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 12px;
    padding: 24px 16px;
    font-size: 12px;
}
.minimal-footer .sep {
    color: hsl(var(--muted-foreground) / 0.4);
}
.minimal-footer a {
    color: var(--muted-foreground);
    text-decoration: none;
    transition: color 0.2s;
}
.minimal-footer a:hover {
    color: var(--foreground);
}

/* ==================== SETUP VIEW ==================== */
.section-title {
    font-size: 20px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 14px;
    color: var(--muted-foreground);
    text-align: center;
    margin-bottom: 16px;
}

.table-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin-bottom: 16px;
}

.table-btn {
    aspect-ratio: 1;
    border-radius: var(--radius);
    border: 2px solid var(--border);
    background: var(--card);
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    color: var(--foreground);
}
.table-btn:hover { border-color: var(--primary); }
.table-btn.selected {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.quick-select {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.difficulty-section { margin-bottom: 24px; }
.difficulty-section.hidden { display: none; }

.difficulty-buttons {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.btn-difficulty {
    flex: 1;
    max-width: 110px;
    padding: 12px 8px;
    border-radius: var(--radius);
    border: 2px solid var(--border);
    background: var(--card);
    cursor: pointer;
    text-align: center;
    transition: all 0.15s;
}
.btn-difficulty:hover { border-color: var(--primary); }
.btn-difficulty.active {
    border-color: var(--primary);
    background: color-mix(in srgb, var(--primary) 10%, transparent);
}
.difficulty-emoji { display: block; font-size: 24px; margin-bottom: 4px; }
.difficulty-label { display: block; font-weight: 500; font-size: 14px; }
.difficulty-time { display: block; font-size: 12px; color: var(--muted-foreground); }

/* ==================== COUNTDOWN ==================== */
.countdown-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.countdown-number {
    font-size: 180px;
    font-weight: 700;
    color: var(--primary);
    animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.9; }
}

/* ==================== GAME VIEW ==================== */
.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    margin-bottom: 16px;
}

.game-stats { display: flex; gap: 16px; }

.game-stat {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 15px;
    color: var(--muted-foreground);
}
.game-stat .stat-icon { font-size: 16px; }

.timer { font-weight: 600; }
.timer.warning { color: #f97316; }
.timer.danger { color: var(--destructive); }

.response-time {
    background: var(--muted);
    padding: 4px 10px;
    border-radius: var(--radius);
    font-weight: 500;
}
.response-time.fast { background: color-mix(in srgb, var(--primary) 20%, transparent); color: var(--primary); }
.response-time.slow { background: color-mix(in srgb, #f97316 20%, transparent); color: #f97316; }

.game-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px 0;
}

.question-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 64px;
    font-weight: 700;
}

.factor { color: var(--foreground); }
.operator { color: var(--muted-foreground); font-weight: 400; }
.equals { color: var(--muted-foreground); font-weight: 400; }
.answer-box { color: var(--primary); min-width: 60px; text-align: center; }

.feedback-section {
    text-align: center;
    padding: 20px;
    margin-top: 20px;
}
.feedback-section.hidden { display: none; }

.feedback-message {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}
.feedback-message.correct { color: var(--primary); }
.feedback-message.wrong { color: var(--destructive); }

.correct-answer {
    font-size: 16px;
    color: var(--muted-foreground);
    margin-bottom: 12px;
}
.correct-answer.hidden { display: none; }

/* ==================== GAME INPUT ==================== */
.game-input {
    padding: 16px 0;
}

.input-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 16px;
}

.answer-input {
    width: 120px;
    padding: 12px 16px;
    font-size: 24px;
    font-weight: 600;
    text-align: center;
    border: 2px solid var(--primary);
    border-radius: var(--radius);
    background: var(--card);
    color: var(--foreground);
    outline: none;
    caret-color: var(--primary);
}
.answer-input:focus {
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 20%, transparent);
}
.answer-input.correct { border-color: var(--primary); background: color-mix(in srgb, var(--primary) 10%, transparent); }
.answer-input.wrong { border-color: var(--destructive); background: color-mix(in srgb, var(--destructive) 10%, transparent); }

.virtual-keypad {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 320px;
    margin: 0 auto;
    padding: 8px;
}

.keypad-row {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.keypad-btn {
    width: 72px;
    height: 64px;
    font-size: 28px;
    font-weight: 600;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--card);
    color: var(--foreground);
    cursor: pointer;
    transition: all 0.15s;
    box-shadow: var(--shadow);
}
.keypad-btn:hover {
    background: var(--secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.keypad-btn:active {
    transform: scale(0.95) translateY(0);
    background: var(--secondary-hover);
}

.keypad-delete {
    color: var(--muted-foreground);
    font-size: 24px;
}

.keypad-submit {
    color: var(--primary);
    font-size: 32px;
    font-weight: 700;
}

/* Responsive keypad for smaller screens */
@media (max-width: 380px) {
    .virtual-keypad { max-width: 280px; gap: 10px; }
    .keypad-row { gap: 12px; }
    .keypad-btn { width: 64px; height: 56px; font-size: 24px; }
}

/* Larger keypad for tablets */
@media (min-width: 600px) {
    .virtual-keypad { max-width: 360px; gap: 14px; }
    .keypad-row { gap: 20px; }
    .keypad-btn { width: 80px; height: 72px; font-size: 32px; }
    .keypad-submit { font-size: 36px; }
}

/* ==================== RESULTS ==================== */
.results-content {
    align-items: center;
    text-align: center;
    padding-top: 32px;
}

.results-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 24px;
}

.results-main { margin-bottom: 20px; }

.result-number {
    font-size: 56px;
    font-weight: 700;
    color: var(--primary);
    display: block;
}

.result-label {
    font-size: 16px;
    color: var(--muted-foreground);
}

.result-percentage {
    display: flex;
    align-items: center;
    gap: 16px;
    width: 100%;
    max-width: 300px;
    margin-bottom: 20px;
}

.percentage-bar {
    flex: 1;
    height: 10px;
    background: var(--muted);
    border-radius: 10px;
    overflow: hidden;
}

.percentage-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 10px;
    transition: width 0.5s ease;
}

.percentage-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--muted-foreground);
    min-width: 50px;
}

.stars-earned {
    font-size: 18px;
    margin-bottom: 16px;
}
.stars-earned.hidden { display: none; }
.stars-icons { font-size: 24px; margin-left: 8px; }

.level-up-notice {
    background: color-mix(in srgb, var(--primary) 10%, transparent);
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 12px 20px;
    border-radius: var(--radius);
    font-weight: 500;
    margin-bottom: 16px;
}
.level-up-notice.hidden { display: none; }

.wrong-answers-section {
    width: 100%;
    max-width: 300px;
    text-align: left;
    background: var(--muted);
    padding: 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
}
.wrong-answers-section.hidden { display: none; }
.wrong-answers-section h3 {
    font-size: 14px;
    font-weight: 500;
    color: var(--muted-foreground);
    margin-bottom: 8px;
}

.wrong-answers-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.wrong-answer-item {
    background: var(--card);
    padding: 4px 12px;
    border-radius: var(--radius);
    font-size: 14px;
    border: 1px solid var(--border);
}

.weak-tables-section {
    color: var(--muted-foreground);
    font-size: 14px;
    margin-bottom: 24px;
}
.weak-tables-section.hidden { display: none; }

.results-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    max-width: 280px;
    margin-top: auto;
}

/* ==================== PROGRESS VIEW ==================== */
.overall-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.progress-legend {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--muted-foreground);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 2px;
}
.legend-dot.mastered { background: var(--primary); }
.legend-dot.good { background: #eab308; }
.legend-dot.learning { background: var(--muted-foreground); }

.table-progress-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.table-progress-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px;
}

.table-progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.table-number { font-weight: 600; font-size: 14px; }
.table-percentage { font-size: 13px; color: var(--muted-foreground); }

.progress-bar-mini {
    height: 6px;
    background: var(--muted);
    border-radius: 6px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    border-radius: 6px;
    transition: width 0.3s;
}
.progress-bar-fill.mastered { background: var(--primary); }
.progress-bar-fill.good { background: #eab308; }
.progress-bar-fill.learning { background: var(--muted-foreground); }

.danger-section { text-align: center; margin-top: auto; padding: 16px 0; }

/* ==================== BADGES VIEW ==================== */
.badges-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.badge-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 8px;
    text-align: center;
}
.badge-card.locked { opacity: 0.4; filter: grayscale(1); }
.badge-card.unlocked {
    background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 5%, var(--card)), var(--card));
    border-color: color-mix(in srgb, var(--primary) 30%, transparent);
}

.badge-emoji { font-size: 32px; display: block; margin-bottom: 8px; }
.badge-name { font-size: 12px; font-weight: 500; display: block; margin-bottom: 4px; }
.badge-desc { font-size: 10px; color: var(--muted-foreground); }

/* ==================== PARENT AREA ==================== */
.pin-entry {
    text-align: center;
    padding: 40px 20px;
}

.pin-text {
    font-size: 16px;
    margin-bottom: 16px;
}

.pin-input {
    width: 140px;
    padding: 14px;
    font-size: 24px;
    text-align: center;
    letter-spacing: 8px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: var(--card);
    color: var(--foreground);
    margin-bottom: 16px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}
.pin-input:focus {
    outline: none;
    border-color: var(--primary);
}

.pin-hint {
    font-size: 13px;
    color: var(--muted-foreground);
    margin-top: 16px;
}

.parent-settings.hidden { display: none; }

.settings-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 16px;
}

.settings-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.setting-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    gap: 12px;
}
.setting-row label {
    font-size: 14px;
    color: var(--foreground);
}
.setting-row.highlight-row {
    background: color-mix(in srgb, var(--primary) 8%, transparent);
    margin: 12px -12px;
    padding: 12px;
    border-radius: var(--radius);
}
.setting-row.highlight-row.active-mode {
    background: color-mix(in srgb, var(--primary) 15%, transparent);
    border: 1px solid color-mix(in srgb, var(--primary) 30%, transparent);
}
.setting-label-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.setting-hint {
    font-size: 12px;
    color: var(--muted-foreground);
}
.setting-divider {
    height: 1px;
    background: var(--border);
    margin: 12px 0;
}

.setting-control {
    display: flex;
    gap: 8px;
}

.input-small {
    width: 100px;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--background);
    color: var(--foreground);
    font-size: 14px;
}

.select-input {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--background);
    color: var(--foreground);
    font-size: 14px;
    cursor: pointer;
}

.checkbox-input {
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
    cursor: pointer;
}

.theme-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-bottom: 16px;
}

.theme-option {
    padding: 10px 4px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: var(--card);
    cursor: pointer;
    text-align: center;
    transition: all 0.15s;
}
.theme-option:hover { border-color: var(--primary); }
.theme-option.active {
    border-color: var(--primary);
    background: color-mix(in srgb, var(--primary) 10%, transparent);
}
.theme-option-emoji { font-size: 20px; display: block; margin-bottom: 4px; }
.theme-option-name { font-size: 10px; color: var(--muted-foreground); }

.parent-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.parent-stat-item {
    background: var(--muted);
    padding: 12px;
    border-radius: var(--radius);
    text-align: center;
}
.parent-stat-item.fast-stat {
    background: color-mix(in srgb, var(--primary) 15%, transparent);
}
.parent-stat-item.slow-stat {
    background: color-mix(in srgb, #f97316 15%, transparent);
}
.parent-stat-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    display: block;
}
.parent-stat-label {
    font-size: 11px;
    color: var(--muted-foreground);
    text-transform: uppercase;
}

.parent-badges-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.parent-badge {
    font-size: 24px;
    opacity: 0.3;
}
.parent-badge.unlocked { opacity: 1; }

.table-details-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.table-detail-item {
    background: var(--muted);
    padding: 10px;
    border-radius: var(--radius);
    font-size: 13px;
}
.table-detail-name { font-weight: 600; }
.table-detail-stats { 
    color: var(--muted-foreground); 
    font-size: 12px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
}
.table-speed-stats {
    display: inline-flex;
    gap: 4px;
}
.fast-badge {
    background: color-mix(in srgb, var(--primary) 20%, transparent);
    color: var(--primary);
    padding: 1px 6px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 500;
}

/* Strict Mode Indicator */
.strict-mode-indicator {
    background: color-mix(in srgb, #f97316 15%, transparent);
    border: 1px solid color-mix(in srgb, #f97316 30%, transparent);
    border-radius: var(--radius);
    padding: 10px 16px;
    text-align: center;
    margin-bottom: 16px;
    color: #f97316;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.strict-mode-indicator.hidden { display: none; }
.strict-mode-indicator .strict-icon { font-size: 18px; }
.strict-mode-indicator .strict-time { 
    font-size: 12px; 
    opacity: 0.8;
}

.danger-card {
    border-color: color-mix(in srgb, var(--destructive) 30%, transparent);
}
.danger-card .settings-title { color: var(--destructive); }
.danger-text {
    font-size: 13px;
    color: var(--muted-foreground);
    margin-bottom: 12px;
}

/* ==================== POPUPS ==================== */
.popup {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 16px;
}
.popup.hidden { display: none; }

.popup-content {
    background: var(--card);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    max-width: 340px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.popup-icon { font-size: 56px; margin-bottom: 16px; }
.popup-content h2 { font-size: 22px; margin-bottom: 8px; }
.popup-name { font-size: 18px; font-weight: 600; margin-bottom: 4px; }
.popup-desc { color: var(--muted-foreground); margin-bottom: 20px; }
.popup-buttons { display: flex; gap: 12px; justify-content: center; margin-top: 20px; }

/* ==================== CONFETTI ==================== */
#confetti-canvas {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1000;
}

/* ==================== ANIMATIONS ==================== */
.space-star {
    position: absolute;
    width: 3px;
    height: 3px;
    background: white;
    border-radius: 50%;
    animation: twinkle 2s ease-in-out infinite;
}
@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

.sparkle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: #ec4899;
    border-radius: 50%;
    animation: sparkle 3s ease-in-out infinite;
}
@keyframes sparkle {
    0%, 100% { opacity: 0; transform: scale(0); }
    50% { opacity: 1; transform: scale(1); }
}

.bubble {
    position: absolute;
    width: 10px;
    height: 10px;
    background: rgba(14, 165, 233, 0.5);
    border-radius: 50%;
    animation: rise 4s ease-in infinite;
}
@keyframes rise {
    0% { transform: translateY(100vh); opacity: 1; }
    100% { transform: translateY(-10vh); opacity: 0; }
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 380px) {
    .question-display { font-size: 48px; gap: 8px; }
    .answer-input { width: 100px; font-size: 20px; }
    .keypad-btn { width: 48px; height: 42px; font-size: 20px; }
    .app-title { font-size: 24px; }
}

/* ==================== HIDDEN ==================== */
.hidden { display: none !important; }