/* =====================================================
   Q Game Kingdom - Dashboard Styles
   Aesthetic: Fantasy Medieval × Cosmic Wonder
   ===================================================== */

:root {
    /* Primary Palette - Deep Fantasy */
    --bg-void: #0a0612;
    --bg-deep: #150d24;
    --bg-mid: #1f1433;
    --bg-light: #2d1f4a;

    /* Accent Colors */
    --gold-bright: #FFD700;
    --gold-warm: #F4A236;
    --gold-dark: #B8860B;
    --purple-magic: #9B59B6;
    --purple-deep: #6C3483;
    --cyan-glow: #00E5FF;
    --red-fire: #FF4757;
    --green-nature: #2ECC71;

    /* Card Themes */
    --math-primary: #00B4D8;
    --math-secondary: #0077B6;
    --math-glow: rgba(0, 180, 216, 0.6);

    --dino-primary: #E17055;
    --dino-secondary: #D63031;
    --dino-glow: rgba(225, 112, 85, 0.6);

    --fox-primary: #FF7043;
    --fox-secondary: #4CAF50;
    --fox-glow: rgba(255, 112, 67, 0.6);

    /* Typography */
    --font-display: 'Cinzel Decorative', serif;
    --font-medieval: 'MedievalSharp', cursive;
    --font-body: 'Noto Sans TC', sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
}

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

html,
body {
    height: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    background: var(--bg-void);
    color: #fff;
    line-height: 1.6;
    cursor: default;
}

/* =====================================================
   Background Layers - Parallax Effect
   ===================================================== */

.bg-layer {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.bg-stars {
    background:
        radial-gradient(1px 1px at 10% 20%, rgba(255, 255, 255, 0.8) 1px, transparent 0),
        radial-gradient(1.5px 1.5px at 30% 40%, rgba(255, 255, 255, 0.6) 1px, transparent 0),
        radial-gradient(1px 1px at 50% 60%, rgba(255, 255, 255, 0.7) 1px, transparent 0),
        radial-gradient(2px 2px at 70% 30%, rgba(255, 255, 255, 0.5) 1px, transparent 0),
        radial-gradient(1px 1px at 90% 80%, rgba(255, 255, 255, 0.8) 1px, transparent 0),
        radial-gradient(1.5px 1.5px at 15% 70%, rgba(255, 255, 255, 0.6) 1px, transparent 0),
        radial-gradient(1px 1px at 85% 15%, rgba(255, 255, 255, 0.7) 1px, transparent 0);
    background-size: 200px 200px;
    animation: starTwinkle 8s ease-in-out infinite;
}

@keyframes starTwinkle {

    0%,
    100% {
        opacity: 0.6;
    }

    50% {
        opacity: 1;
    }
}

.bg-clouds {
    background:
        radial-gradient(ellipse 80% 40% at 20% 80%, rgba(147, 51, 234, 0.15) 0%, transparent 70%),
        radial-gradient(ellipse 60% 30% at 80% 70%, rgba(59, 130, 246, 0.12) 0%, transparent 70%),
        radial-gradient(ellipse 90% 50% at 50% 100%, rgba(139, 92, 246, 0.18) 0%, transparent 60%);
    animation: cloudDrift 20s ease-in-out infinite;
}

@keyframes cloudDrift {

    0%,
    100% {
        transform: translateX(0);
    }

    50% {
        transform: translateX(30px);
    }
}

.bg-mountains {
    background: linear-gradient(180deg,
            transparent 0%,
            transparent 60%,
            rgba(21, 13, 36, 0.9) 70%,
            var(--bg-deep) 100%);
}

.bg-fog {
    background:
        radial-gradient(ellipse 100% 20% at 50% 100%, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
    animation: fogPulse 10s ease-in-out infinite;
}

@keyframes fogPulse {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

/* Floating Particles */
.particles {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--gold-bright);
    border-radius: 50%;
    opacity: 0;
    animation: floatUp 8s ease-in-out infinite;
    filter: blur(1px);
    box-shadow: 0 0 6px var(--gold-bright);
}

@keyframes floatUp {
    0% {
        opacity: 0;
        transform: translateY(100vh) scale(0);
    }

    10% {
        opacity: 0.8;
    }

    90% {
        opacity: 0.6;
    }

    100% {
        opacity: 0;
        transform: translateY(-100px) scale(1);
    }
}

/* =====================================================
   Main Container
   ===================================================== */

.dashboard-container {
    position: relative;
    z-index: 10;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: var(--space-md);
}

/* =====================================================
   Header & Logo
   ===================================================== */

.main-header {
    text-align: center;
    padding: var(--space-xl) 0 var(--space-lg);
}

.logo-container {
    display: inline-block;
    position: relative;
}

.crown-icon {
    width: 80px;
    height: 50px;
    margin: 0 auto var(--space-sm);
    animation: crownFloat 3s ease-in-out infinite;
    filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.5));
}

@keyframes crownFloat {

    0%,
    100% {
        transform: translateY(0) rotate(-2deg);
    }

    50% {
        transform: translateY(-10px) rotate(2deg);
    }
}

.crown-svg {
    width: 100%;
    height: 100%;
}

.main-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 900;
    letter-spacing: 0.1em;
    background: linear-gradient(180deg,
            #FFE066 0%,
            #FFD700 30%,
            #F4A236 60%,
            #B8860B 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: skyblue;
    filter: drop-shadow(0 4px 20px rgba(255, 215, 0, 0.5));
    position: relative;
}

.title-letter {
    display: inline-block;
    animation: letterReveal 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    animation-delay: calc(var(--delay) * 0.1s);
    opacity: 0;
    transform: translateY(30px) rotateX(90deg);
}

@keyframes letterReveal {
    to {
        opacity: 1;
        transform: translateY(0) rotateX(0);
    }
}

.title-spacer {
    display: inline-block;
    width: 0.3em;
}

.subtitle {
    font-family: var(--font-medieval);
    font-size: clamp(1rem, 3vw, 1.5rem);
    color: rgba(255, 215, 0, 0.7);
    letter-spacing: 0.3em;
    margin-top: var(--space-sm);
    animation: fadeSlideUp 1s ease-out 0.6s forwards;
    opacity: 0;
}

@keyframes fadeSlideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }

    from {
        transform: translateY(20px);
    }
}

/* =====================================================
   Games Grid
   ===================================================== */

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
    max-width: 1000px;
    width: 100%;
    margin: 0 auto;
    padding: var(--space-md);
    flex: 1;
}

/* =====================================================
   Game Cards
   ===================================================== */

.game-card {
    position: relative;
    aspect-ratio: 3 / 4;
    max-height: 520px;
    cursor: pointer;
    perspective: 1000px;
    animation: cardSlideIn 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    opacity: 0;
    transform: translateY(60px);
}

.game-card:nth-child(1) {
    animation-delay: 0.3s;
}

.game-card:nth-child(2) {
    animation-delay: 0.5s;
}

@keyframes cardSlideIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.game-card:hover {
    z-index: 20;
}

.game-card:hover .card-inner {
    transform: rotateY(-5deg) rotateX(5deg) scale(1.02);
}

.game-card:hover .card-glow {
    opacity: 1;
}

.game-card:hover .card-shine {
    opacity: 1;
    transform: translateX(100%) rotate(25deg);
}

/* Card Glow Effect */
.card-glow {
    position: absolute;
    inset: -20px;
    border-radius: 30px;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
    filter: blur(30px);
}

[data-game="math"] .card-glow {
    background: var(--math-glow);
}

[data-game="dino"] .card-glow {
    background: var(--dino-glow);
}

/* Card Border - Animated Gradient */
.card-border {
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 3px;
    background: linear-gradient(135deg,
            rgba(255, 215, 0, 0.8) 0%,
            rgba(255, 215, 0, 0.2) 25%,
            rgba(255, 215, 0, 0.5) 50%,
            rgba(255, 215, 0, 0.2) 75%,
            rgba(255, 215, 0, 0.8) 100%);
    background-size: 200% 200%;
    animation: borderShimmer 4s linear infinite;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
}

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

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* Card Inner Container */
.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 20px;
    overflow: hidden;
    background: linear-gradient(180deg, var(--bg-mid) 0%, var(--bg-deep) 100%);
    transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    transform-style: preserve-3d;
    display: flex;
    flex-direction: column;
}

/* Card Background Art */
.card-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

/* Math Game Background */
.math-bg {
    background:
        radial-gradient(ellipse 80% 60% at 50% 20%, rgba(0, 180, 216, 0.3) 0%, transparent 70%),
        linear-gradient(180deg, #0c1929 0%, #0d2137 50%, #081422 100%);
}

.floating-icons {
    position: absolute;
    inset: 0;
}

.float-icon {
    position: absolute;
    left: var(--x);
    top: var(--y);
    font-family: var(--font-display);
    font-size: 2rem;
    color: rgba(0, 229, 255, 0.3);
    animation: iconFloat 4s ease-in-out infinite;
    animation-delay: var(--delay);
}

@keyframes iconFloat {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.3;
    }

    50% {
        transform: translateY(-15px) rotate(10deg);
        opacity: 0.6;
    }
}

.spaceship-silhouette {
    position: absolute;
    bottom: 30%;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 140px;
    background: linear-gradient(180deg,
            rgba(0, 229, 255, 0.1) 0%,
            rgba(0, 180, 216, 0.2) 100%);
    clip-path: polygon(50% 0%, 80% 30%, 100% 100%, 70% 80%, 50% 100%, 30% 80%, 0% 100%, 20% 30%);
    animation: shipHover 3s ease-in-out infinite;
    filter: drop-shadow(0 0 20px rgba(0, 229, 255, 0.5));
}

@keyframes shipHover {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

/* Dino Game Background */
.dino-bg {
    background:
        radial-gradient(ellipse 80% 60% at 30% 30%, rgba(225, 112, 85, 0.25) 0%, transparent 70%),
        radial-gradient(ellipse 60% 40% at 70% 60%, rgba(214, 48, 49, 0.2) 0%, transparent 70%),
        linear-gradient(180deg, #1a1205 0%, #2d1f0a 50%, #1a0f05 100%);
}

.parallax-dino {
    position: absolute;
    left: 10%;
    bottom: 25%;
    animation: dinoMove 4s ease-in-out infinite;
}

.dino-silhouette {
    width: 100px;
    height: 80px;
    background: linear-gradient(180deg,
            rgba(225, 112, 85, 0.3) 0%,
            rgba(225, 112, 85, 0.5) 100%);
    clip-path: polygon(0% 60%, 10% 40%, 20% 30%, 40% 25%,
            50% 10%, 55% 25%, 70% 30%, 80% 35%,
            90% 50%, 100% 70%, 95% 80%, 85% 100%,
            70% 90%, 60% 100%, 40% 90%, 20% 100%, 0% 80%);
    filter: drop-shadow(0 0 15px rgba(225, 112, 85, 0.4));
}

@keyframes dinoMove {

    0%,
    100% {
        transform: translateX(0) scaleX(1);
    }

    50% {
        transform: translateX(20px) scaleX(1.05);
    }
}

.parallax-knight {
    position: absolute;
    right: 15%;
    bottom: 28%;
    animation: knightMove 3.5s ease-in-out infinite reverse;
}

.knight-silhouette {
    width: 50px;
    height: 70px;
    background: linear-gradient(180deg,
            rgba(200, 200, 200, 0.2) 0%,
            rgba(150, 150, 150, 0.4) 100%);
    clip-path: polygon(40% 0%, 60% 0%, 55% 15%, 70% 20%,
            65% 30%, 75% 35%, 70% 50%, 80% 60%,
            70% 100%, 30% 100%, 20% 60%,
            30% 50%, 25% 35%, 35% 30%, 30% 20%, 45% 15%);
    filter: drop-shadow(0 0 10px rgba(180, 180, 180, 0.3));
}

@keyframes knightMove {

    0%,
    100% {
        transform: translateX(0);
    }

    50% {
        transform: translateX(-15px);
    }
}

.battle-sparks {
    position: absolute;
    left: 50%;
    bottom: 35%;
    width: 30px;
    height: 30px;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.8) 0%, transparent 70%);
    animation: sparkPulse 0.5s ease-in-out infinite;
    border-radius: 50%;
}

@keyframes sparkPulse {

    0%,
    100% {
        transform: scale(0.5);
        opacity: 0.3;
    }

    50% {
        transform: scale(1.5);
        opacity: 1;
    }
}

/* Fox Hunter Theme */
.fox-bg {
    background:
        radial-gradient(ellipse 70% 50% at 40% 40%, rgba(76, 175, 80, 0.25) 0%, transparent 70%),
        radial-gradient(ellipse 50% 40% at 70% 60%, rgba(255, 112, 67, 0.2) 0%, transparent 70%),
        linear-gradient(180deg, #1a3c2a 0%, #2d5a3f 50%, #1a3c2a 100%);
}

.forest-trees {
    position: absolute;
    inset: 0;
    background:
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><polygon points="50,10 90,90 10,90" fill="%231a5a30" opacity="0.4"/></svg>') 0 55% / 60px repeat-x,
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><polygon points="50,20 85,90 15,90" fill="%232a6a40" opacity="0.3"/></svg>') 30px 60% / 50px repeat-x;
    animation: forestSway 6s ease-in-out infinite;
}

@keyframes forestSway {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(3px); }
}

/* Card Content */
.card-content {
    position: relative;
    z-index: 2;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-md);
    background: linear-gradient(0deg,
            rgba(10, 6, 18, 0.95) 0%,
            rgba(10, 6, 18, 0.7) 40%,
            transparent 100%);
}

.game-badge {
    display: inline-block;
    padding: 4px 12px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    border-radius: 4px;
    margin-bottom: var(--space-xs);
    width: fit-content;
}

[data-game="math"] .game-badge {
    background: linear-gradient(135deg, var(--math-primary), var(--math-secondary));
    color: #fff;
}

[data-game="dino"] .game-badge {
    background: linear-gradient(135deg, var(--dino-primary), var(--dino-secondary));
    color: #fff;
}

.game-badge.new::after {
    content: '新';
    margin-left: 6px;
    padding: 2px 6px;
    background: var(--gold-bright);
    color: #000;
    border-radius: 3px;
    font-size: 0.6rem;
}

.game-title {
    font-family: var(--font-body);
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 900;
    margin-bottom: 4px;
    position: relative;
}

.title-glow {
    position: relative;
    display: inline-block;
}

[data-game="math"] .title-glow {
    color: #fff;
    text-shadow: 0 0 20px var(--math-glow);
}

[data-game="dino"] .title-glow {
    color: #fff;
    text-shadow: 0 0 20px var(--dino-glow);
}

.game-subtitle {
    font-family: var(--font-medieval);
    font-size: 1rem;
    opacity: 0.7;
    margin-bottom: var(--space-sm);
}

.game-description {
    font-size: 0.9rem;
    line-height: 1.5;
    opacity: 0.8;
    margin-bottom: var(--space-sm);
}

.game-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    padding: 4px 10px;
    font-size: 0.7rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    color: rgba(255, 255, 255, 0.8);
}

/* Card Footer */
.card-footer {
    position: relative;
    z-index: 2;
    padding: var(--space-md);
    padding-top: 0;
}

.play-btn {
    width: 100%;
    padding: 14px 24px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 700;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
    position: relative;
    overflow: hidden;
}

[data-game="math"] .play-btn {
    background: linear-gradient(135deg, var(--math-primary), var(--math-secondary));
    color: #fff;
    box-shadow: 0 4px 20px rgba(0, 180, 216, 0.4);
}

[data-game="dino"] .play-btn {
    background: linear-gradient(135deg, var(--dino-primary), var(--dino-secondary));
    color: #fff;
    box-shadow: 0 4px 20px rgba(225, 112, 85, 0.4);
}

.play-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.play-btn:active {
    transform: translateY(0) scale(0.98);
}

.btn-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.play-btn:hover .btn-icon {
    transform: translateX(5px);
}

/* Card Shine Effect */
.card-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent 0%,
            rgba(255, 255, 255, 0.1) 50%,
            transparent 100%);
    transform: skewX(-25deg);
    opacity: 0;
    transition: all 0.6s ease;
    pointer-events: none;
    z-index: 10;
}

/* =====================================================
   Footer
   ===================================================== */

.main-footer {
    text-align: center;
    padding: var(--space-lg) 0 var(--space-md);
    animation: fadeSlideUp 1s ease-out 0.8s forwards;
    opacity: 0;
}

.footer-decoration {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
}

.deco-line {
    width: 80px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.5), transparent);
}

.footer-emblem {
    width: 30px;
    height: 30px;
    color: var(--gold-warm);
    opacity: 0.6;
    animation: emblemSpin 20s linear infinite;
}

@keyframes emblemSpin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.footer-text {
    font-family: var(--font-medieval);
    font-size: 0.85rem;
    color: rgba(255, 215, 0, 0.5);
    letter-spacing: 0.2em;
}

/* =====================================================
   Loading Overlay
   ===================================================== */

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 6, 18, 0.98);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-content {
    text-align: center;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(255, 215, 0, 0.2);
    border-top-color: var(--gold-bright);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--space-md);
}

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

.loading-text {
    font-family: var(--font-medieval);
    font-size: 1.2rem;
    color: var(--gold-warm);
    letter-spacing: 0.2em;
    animation: loadingPulse 1.5s ease-in-out infinite;
}

@keyframes loadingPulse {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

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

@media (max-width: 768px) {
    .dashboard-container {
        padding: var(--space-sm);
    }

    .main-header {
        padding: var(--space-lg) 0 var(--space-md);
    }

    .crown-icon {
        width: 60px;
        height: 38px;
    }

    .games-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
        padding: var(--space-sm);
    }

    .game-card {
        max-height: 450px;
    }

    .card-inner {
        border-radius: 16px;
    }

    .game-title {
        font-size: 1.4rem;
    }
}

@media (max-width: 480px) {
    .game-card {
        aspect-ratio: 4 / 5;
        max-height: 400px;
    }

    .card-content {
        padding: var(--space-sm);
    }

    .card-footer {
        padding: var(--space-sm);
    }

    .play-btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
}

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

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus States */
.game-card:focus-visible {
    outline: 3px solid var(--gold-bright);
    outline-offset: 4px;
}

.play-btn:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
}