/* ========================
   Color Memory Game - Styles
   ======================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}

/* 터치 최적화 */
button, a, input, [role="button"], [role="link"] {
    touch-action: manipulation;
    -webkit-user-select: none;
    user-select: none;
}

input[type="text"], textarea {
    -webkit-user-select: text;
    user-select: text;
}

:root {
    --primary-color: #FF6B6B;
    --secondary-color: #4ECDC4;
    --accent-color: #FFE66D;
    --dark-bg: #0f0f0f;
    --dark-surface: #1a1a1a;
    --dark-border: #2a2a2a;
    --light-text: #ffffff;
    --muted-text: #b0b0b0;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1f1f2e 100%);
    color: var(--light-text);
    min-height: 100vh;
    overflow-x: hidden;
}

/* === App Loader === */
.app-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark-bg, #0f0f0f);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.app-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.loader-emoji {
    font-size: 48px;
    animation: loader-bounce 1s ease-in-out infinite;
}

.loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--primary-color, #FF6B6B);
    border-radius: 50%;
    animation: loader-spin 0.8s linear infinite;
}

.loader-text {
    font-size: 14px;
    color: var(--muted-text, rgba(255, 255, 255, 0.7));
    letter-spacing: 1px;
    font-weight: 500;
}

@keyframes loader-spin {
    to {
        transform: rotate(360deg);
    }
}

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

/* ========================
   Container & Layout
   ======================== */

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 16px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ========================
   Header
   ======================== */

.header {
    margin-bottom: 20px;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.logo {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

/* Sound Toggle */
.sound-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    color: var(--light-text);
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sound-toggle:hover {
    background: var(--dark-border);
    transform: scale(1.05);
}

.sound-toggle:active {
    transform: scale(0.95);
}

/* Language Selector */
.language-selector {
    position: relative;
}

.lang-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    color: var(--light-text);
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lang-toggle:hover {
    background: var(--dark-border);
    transform: scale(1.05);
}

.lang-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    padding: 8px;
    min-width: 140px;
    z-index: 1000;
    box-shadow: var(--shadow);
    opacity: 1;
    visibility: visible;
    transition: opacity 0.2s, visibility 0.2s;
    max-height: 400px;
    overflow-y: auto;
}

.lang-menu.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.lang-option {
    width: 100%;
    padding: 8px 12px;
    border: none;
    background: transparent;
    color: var(--light-text);
    text-align: left;
    cursor: pointer;
    border-radius: 8px;
    font-size: 13px;
    transition: var(--transition);
    white-space: nowrap;
}

.lang-option:hover {
    background: var(--dark-border);
}

.lang-option.active {
    background: var(--primary-color);
    color: white;
}

/* Stats Bar */
.stats-bar {
    display: flex;
    gap: 16px;
    background: rgba(255, 107, 107, 0.05);
    border: 1px solid rgba(255, 107, 107, 0.15);
    border-radius: 12px;
    padding: 12px 16px;
    backdrop-filter: blur(10px);
}

.stat-item {
    flex: 1;
    text-align: center;
}

.stat-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--muted-text);
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.stat-value {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
}

/* ========================
   Ad Containers
   ======================== */

.ad-container {
    margin: 12px 0;
    padding: 8px;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.2);
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ad-top {
    margin-bottom: 16px;
}

.ad-bottom {
    margin-top: 16px;
}

/* ========================
   Game Container
   ======================== */

.game-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 24px;
}

.game-screen,
.game-over-screen {
    width: 100%;
    transition: opacity 0.3s, visibility 0.3s;
}

.game-screen.hidden,
.game-over-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.game-screen.active,
.game-over-screen.active {
    opacity: 1;
    visibility: visible;
}

.game-info {
    text-align: center;
    margin-bottom: 16px;
}

.game-status {
    font-size: 16px;
    color: var(--muted-text);
    font-weight: 500;
}

/* ========================
   Color Grid
   ======================== */

.color-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    width: 100%;
    max-width: 300px;
    aspect-ratio: 1 / 1;
    margin: 20px 0;
}

.color-button {
    position: relative;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 0;
    transition: var(--transition);
    box-shadow: var(--shadow);
    overflow: hidden;
    min-height: 80px;
}

.color-button:active {
    transform: scale(0.95);
}

.color-button.disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.color-inner {
    position: absolute;
    inset: 0;
    background: inherit;
    border-radius: inherit;
    transition: var(--transition);
}

/* Red Button */
.color-button.red {
    background: linear-gradient(135deg, #FF6B6B 0%, #FF5252 100%);
}

.color-button.red.active .color-inner {
    box-shadow: inset 0 0 30px rgba(255, 255, 255, 0.4);
    transform: scale(0.9);
}

.color-button.red.playing {
    animation: pulse-red 0.6s ease-out;
}

/* Blue Button */
.color-button.blue {
    background: linear-gradient(135deg, #4ECDC4 0%, #40B8B0 100%);
}

.color-button.blue.active .color-inner {
    box-shadow: inset 0 0 30px rgba(255, 255, 255, 0.4);
    transform: scale(0.9);
}

.color-button.blue.playing {
    animation: pulse-blue 0.6s ease-out;
}

/* Green Button */
.color-button.green {
    background: linear-gradient(135deg, #2ECC71 0%, #27AE60 100%);
}

.color-button.green.active .color-inner {
    box-shadow: inset 0 0 30px rgba(255, 255, 255, 0.4);
    transform: scale(0.9);
}

.color-button.green.playing {
    animation: pulse-green 0.6s ease-out;
}

/* Yellow Button */
.color-button.yellow {
    background: linear-gradient(135deg, #FFE66D 0%, #FFC947 100%);
}

.color-button.yellow .color-inner {
    filter: brightness(0.8);
}

.color-button.yellow.active .color-inner {
    box-shadow: inset 0 0 30px rgba(255, 255, 255, 0.4);
    transform: scale(0.9);
    filter: brightness(1);
}

.color-button.yellow.playing {
    animation: pulse-yellow 0.6s ease-out;
}

/* Animations */
@keyframes pulse-red {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); box-shadow: 0 0 30px rgba(255, 107, 107, 0.8); }
    100% { transform: scale(1); }
}

@keyframes pulse-blue {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); box-shadow: 0 0 30px rgba(78, 205, 196, 0.8); }
    100% { transform: scale(1); }
}

@keyframes pulse-green {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); box-shadow: 0 0 30px rgba(46, 204, 113, 0.8); }
    100% { transform: scale(1); }
}

@keyframes pulse-yellow {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); box-shadow: 0 0 30px rgba(255, 230, 109, 0.8); }
    100% { transform: scale(1); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-8px); }
    20%, 40%, 60%, 80% { transform: translateX(8px); }
}

.color-grid.error {
    animation: shake 0.5s ease-in-out;
}

/* ========================
   Game Controls
   ======================== */

.game-controls {
    display: flex;
    gap: 12px;
    width: 100%;
    max-width: 300px;
}

.btn {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    min-height: 44px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #FF5252);
    color: white;
    box-shadow: var(--shadow-sm);
    animation: cta-pulse 2s infinite;
}

/* Pulse class for start button attention */
.btn.pulse {
    animation: btn-pulse-glow 1.5s infinite !important;
}

@keyframes btn-pulse-glow {
    0% { box-shadow: 0 0 0 0 rgba(255, 107, 107, 0.6); }
    70% { box-shadow: 0 0 0 15px rgba(255, 107, 107, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 107, 107, 0); }
}

@keyframes cta-pulse {
    0% { transform: scale(1); box-shadow: 0 4px 15px rgba(52,152,219,0.3); }
    50% { transform: scale(1.05); box-shadow: 0 6px 25px rgba(52,152,219,0.5); }
    100% { transform: scale(1); box-shadow: 0 4px 15px rgba(52,152,219,0.3); }
}

@media (prefers-reduced-motion: reduce) {
    .btn-primary {
        animation: none !important;
    }
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-secondary {
    background: var(--dark-surface);
    color: var(--light-text);
    border: 1px solid var(--dark-border);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--dark-border);
    transform: translateY(-2px);
}

.btn-secondary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ========================
   Game Over Screen
   ======================== */

.game-over-content {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 320px;
}

.game-over-content h2 {
    font-size: 24px;
    margin-bottom: 24px;
    color: var(--primary-color);
}

.final-score {
    margin-bottom: 20px;
}

.score-label {
    font-size: 13px;
    color: var(--muted-text);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.score-value {
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.record-check {
    margin: 16px 0;
    padding: 12px;
    background: rgba(78, 205, 196, 0.1);
    border: 1px solid rgba(78, 205, 196, 0.3);
    border-radius: 8px;
    animation: slideDown 0.4s ease-out;
}

.record-text {
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 14px;
}

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

.game-over-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 20px 0;
}

.stat-mini {
    background: rgba(255, 107, 107, 0.05);
    border: 1px solid rgba(255, 107, 107, 0.2);
    border-radius: 8px;
    padding: 12px;
}

.stat-mini .label {
    display: block;
    font-size: 11px;
    color: var(--muted-text);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.stat-mini .value {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
}

.game-over-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.game-over-actions .btn {
    padding: 12px 16px;
    font-size: 13px;
}

/* ========================
   Confetti
   ======================== */

.confetti-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
}

.confetti {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    pointer-events: none;
}

.confetti.blue {
    background: var(--secondary-color);
}

.confetti.yellow {
    background: var(--accent-color);
}

.confetti.green {
    background: #2ECC71;
}

@keyframes fall {
    to {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

/* ========================
   Responsive Design
   ======================== */

@media (max-width: 600px) {
    .container {
        padding: 12px;
    }

    .logo {
        font-size: 24px;
    }

    .header {
        margin-bottom: 16px;
    }

    .stats-bar {
        gap: 12px;
        padding: 10px 12px;
    }

    .stat-value {
        font-size: 18px;
    }

    .color-grid {
        max-width: 280px;
        gap: 10px;
    }

    .color-button {
        min-height: 70px;
    }

    .game-control {
        margin: 16px 0;
    }

    .game-over-content {
        padding: 24px;
    }

    .score-value {
        font-size: 40px;
    }

    .game-over-actions {
        flex-direction: column;
    }

    .game-over-actions .btn {
        width: 100%;
    }
}

@media (max-width: 400px) {
    .color-grid {
        max-width: 260px;
        gap: 8px;
    }

    .color-button {
        min-height: 60px;
    }

    .logo {
        font-size: 20px;
    }

    .stat-value {
        font-size: 16px;
    }

    .game-over-content {
        padding: 20px;
    }

    .score-value {
        font-size: 36px;
    }

    .stat-label {
        font-size: 10px;
    }
}

/* ========================
   Print Styles
   ======================== */

@media print {
    * {
        display: none !important;
    }
}

/* ========================
   Accessibility
   ======================== */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Light Mode */
[data-theme="light"] {
    --dark-bg: #f5f5fa;
    --dark-surface: #ffffff;
    --dark-border: #e0e0e8;
    --light-text: #1a1a2e;
    --muted-text: #5a5a70;
}

[data-theme="light"] body {
    background: linear-gradient(135deg, #f5f5fa 0%, #e8e8f0 100%);
}

[data-theme="light"] .app-loader {
    background: var(--dark-bg);
}

[data-theme="light"] .ad-container {
    background: rgba(255, 107, 107, 0.05);
}

[data-theme="light"] .lang-menu {
    background: var(--dark-surface);
    border-color: var(--dark-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .lang-option {
    color: var(--light-text);
}

[data-theme="light"] .lang-option:hover {
    background: var(--dark-border);
}

[data-theme="light"] .lang-option.active {
    background: var(--primary-color);
    color: white;
}

[data-theme="light"] .stats-bar {
    background: rgba(255, 107, 107, 0.05);
    border-color: rgba(255, 107, 107, 0.15);
}

[data-theme="light"] .game-over-content {
    background: var(--dark-surface);
    border-color: var(--dark-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .stat-mini {
    background: rgba(255, 107, 107, 0.05);
    border-color: rgba(255, 107, 107, 0.15);
}

[data-theme="light"] .record-check {
    background: rgba(78, 205, 196, 0.05);
    border-color: rgba(78, 205, 196, 0.15);
}

[data-theme="light"] .btn-secondary {
    background: var(--dark-surface);
    border-color: var(--dark-border);
    color: var(--light-text);
}

[data-theme="light"] .btn-secondary:hover {
    background: var(--dark-border);
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 12px;
    right: 56px;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
}

.theme-toggle:active {
    transform: scale(0.95);
}

[data-theme="light"] .theme-toggle {
    background: rgba(255, 107, 107, 0.1);
    border-color: rgba(255, 107, 107, 0.2);
    color: var(--light-text);
}

[data-theme="light"] .theme-toggle:hover {
    background: rgba(255, 107, 107, 0.15);
}

/* === Accessibility Improvements === */
button:focus-visible,a:focus-visible,input:focus-visible,[role="button"]:focus-visible{outline:3px solid #3b82f6;outline-offset:2px;}
button,a[href],input[type="button"],input[type="submit"],[role="button"]{min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;}
.skip-link{position:absolute;top:-40px;left:0;background:#3b82f6;color:white;padding:8px;text-decoration:none;z-index:100;}
.skip-link:focus{top:0;}
[role="dialog"]{z-index:1000;}
@media (prefers-reduced-motion: reduce){*{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important;scroll-behavior:auto !important;}}
@media (prefers-contrast: more){button{border:2px solid #3b82f6;}}
.game-card:focus-visible,.rec-card:focus-visible{outline:3px solid #3b82f6;outline-offset:4px;}

/* Enhanced button accessibility */
button:focus-visible,
input[type="button"]:focus-visible,
input[type="submit"]:focus-visible,
[role="button"]:focus-visible {
    outline: 3px solid currentColor;
    outline-offset: 2px;
}

button:active,
input[type="button"]:active,
input[type="submit"]:active,
[role="button"]:active {
    transform: scale(0.98);
}

/* High contrast mode */
@media (prefers-contrast: more) {
    button,
    input[type="button"],
    input[type="submit"],
    [role="button"] {
        border: 2px solid currentColor;
        font-weight: bold;
    }
}

/* Enhanced form accessibility */
label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
    font-size: 16px;
    min-height: 44px;
    padding: 10px 12px;
}

input[type="text"]:focus-visible,
input[type="email"]:focus-visible,
input[type="password"]:focus-visible,
input[type="number"]:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 1px;
}

/* Error handling accessibility */
.error-message,
[aria-invalid="true"] {
    color: #dc2626;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

[aria-invalid="true"] {
    border-color: #dc2626;
}

/* Non-color focus indicators */
:focus-visible {
    outline-width: 3px;
}

/* Icon patterns for colorblind users */
.error::before {
    content: "x ";
}

.success::before {
    content: "✓ ";
}

.warning::before {
    content: "! ";
}

.info::before {
    content: "i ";
}

/* High contrast scrollbar */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark, #f1f5f9);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color, #3b82f6);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark, #1e40af);
}

/* Firefox scrollbar */
* {
    scrollbar-color: var(--primary-color, #3b82f6) var(--bg-dark, #f1f5f9);
    scrollbar-width: thin;
}

/* ========================
   Leaderboard Styles
   ======================== */

.leaderboard-section {
    margin: 20px 0;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.leaderboard-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    text-align: center;
    color: var(--accent-color, #FFE66D);
}

.leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.leaderboard-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.1);
}

.leaderboard-item.highlight {
    background: rgba(255, 230, 109, 0.15);
    border-color: rgba(255, 230, 109, 0.3);
    box-shadow: 0 0 10px rgba(255, 230, 109, 0.2);
}

.leaderboard-item .medal {
    font-size: 18px;
    min-width: 30px;
}

.leaderboard-item .score-value {
    font-weight: 600;
    color: var(--secondary-color, #4ECDC4);
    flex: 1;
    text-align: center;
}

.leaderboard-item .score-date {
    font-size: 12px;
    color: var(--muted-text, #b0b0b0);
    text-align: right;
    min-width: 80px;
}

.reset-btn {
    width: 100%;
    margin-top: 15px;
    padding: 10px;
    background: rgba(255, 107, 107, 0.2);
    border: 1px solid rgba(255, 107, 107, 0.4);
    color: #FF6B6B;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.reset-btn:hover {
    background: rgba(255, 107, 107, 0.3);
    border-color: rgba(255, 107, 107, 0.6);
}

.leaderboard-empty {
    text-align: center;
    padding: 20px;
    color: var(--muted-text, #b0b0b0);
    font-size: 14px;
}

/* Notification Styles */
.notification {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

/* Selection Color */
::selection {
    background: #FF6B6B;
    color: white;
}

::-moz-selection {
    background: #FF6B6B;
    color: white;
}