:root {
    --primary: #00ffcc;
    --secondary: #bd00ff;
    --tertiary: #ff0055;
    --bg-color: #0b0c10;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-main: #f0f0f0;
    --text-muted: #8892b0;
    --glass-blur: blur(12px);
    --container-max-width: 1400px;
    --grid-gap: 1rem;
    --card-radius: 16px;
    --card-image-height: 118px;
    /* game icon sizing + colors */
    --game-icon-size: 56px;
    --game-icon-size-sm: 52px;
    --game-icon-color: rgba(255, 255, 255, 0.85);
    --game-icon-disabled-color: rgba(255, 255, 255, 0.45);
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
    width: auto;
    height: auto;
    padding: 0.5rem 0.75rem;
    background: rgba(0, 255, 204, 0.95);
    color: #001;
    border-radius: 6px;
    z-index: 9999;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Outfit', 'Noto Sans TC', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    line-height: 1.6;
}

/* Background Animations */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at 50% 50%, #1a1c23 0%, #0b0c10 100%);
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 20s infinite ease-in-out alternate;
}

.orb-1 {
    width: 40vw;
    height: 40vw;
    background: var(--primary);
    top: -10%;
    left: 10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 30vw;
    height: 30vw;
    background: var(--secondary);
    bottom: -10%;
    right: 10%;
    animation-delay: -5s;
}

.orb-3 {
    width: 25vw;
    height: 25vw;
    background: var(--tertiary);
    top: 40%;
    left: 60%;
    animation-delay: -10s;
    opacity: 0.2;
}

@keyframes float {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(50px, 50px) scale(1.2);
    }
}

/* Layout Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 2rem 1.25rem 1.25rem;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 1.75rem;
    animation: fadeInDown 1s ease-out;
}

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

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

.logo {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.6rem;
}

.logo svg {
    color: var(--primary);
    filter: drop-shadow(0 0 10px rgba(0, 255, 204, 0.5));
}

.header h1 {
    font-size: clamp(1.8rem, 2.5vw, 2.35rem);
    font-weight: 800;
    background: linear-gradient(to right, #fff, #a0aabf);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 1.4px;
}

.header h1 span {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2.8px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-top: 0.3rem;
}

.header p {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 760px;
    margin: 0 auto;
}

/* Games Grid */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--grid-gap);
}

/* Game Card */
.game-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--card-radius);
    overflow: hidden;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.22);
    animation: fadeIn 0.45s ease-out forwards;
    opacity: 0;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.game-card:not(.disabled):hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 30px rgba(0, 255, 204, 0.18);
    border-color: rgba(0, 255, 204, 0.3);
}

.card-image-wrap {
    height: var(--card-image-height);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 255, 204, 0.15), rgba(189, 0, 255, 0.13));
}

.card-image-wrap::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, var(--card-bg) 0%, transparent 100%);
}

.game-icon {
    font-size: 3.2rem;
    color: var(--game-icon-color);
    position: relative;
    z-index: 1;
    transition: transform 0.5s ease, color 0.18s ease;
}

.game-icon svg {
    width: var(--game-icon-size);
    height: var(--game-icon-size);
    stroke: currentColor;
    fill: none;
    vector-effect: non-scaling-stroke;
    display: block;
}

.game-card:hover .game-icon {
    transform: scale(1.05) rotate(3deg);
}

.card-content {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.game-title {
    font-size: 1.08rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
    color: #fff;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.5rem;
    line-height: 1.3;
}

.game-desc {
    color: var(--text-muted);
    font-size: 0.88rem;
    margin-bottom: 1rem;
    line-height: 1.45;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 3.9em;
}

/* Button */
.play-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #000;
    background: linear-gradient(90deg, var(--primary), #00d2ff);
    padding: 0.62rem 1rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.86rem;
    transition: all 0.3s ease;
    text-transform: none;
    letter-spacing: 0.6px;
    box-shadow: 0 4px 12px rgba(0, 255, 204, 0.35);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.play-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, #00d2ff, var(--primary));
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
}

.play-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 255, 204, 0.6);
}

.play-btn:hover::before {
    opacity: 1;
}

.play-btn svg {
    margin-right: 6px;
}

/* Disabled/Upcoming Games */
.game-card.disabled {
    filter: grayscale(1);
    opacity: 0.56;
    border-color: rgba(255, 255, 255, 0.05);
}

.game-card.disabled .card-image-wrap {
    background: linear-gradient(135deg, rgba(136, 146, 176, 0.18), rgba(136, 146, 176, 0.08));
}

.game-card.disabled:hover {
    transform: none;
    box-shadow: none;
}

.game-card.disabled .play-btn {
    background: rgba(255, 255, 255, 0.1);
    color: #9aa3b8;
    box-shadow: none;
    cursor: not-allowed;
}

.game-card.disabled .game-icon {
    color: var(--game-icon-disabled-color);
}

.status-badge {
    padding: 3px 9px;
    border-radius: 20px;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.6px;
    white-space: nowrap;
    flex-shrink: 0;
}

.status-active {
    background: rgba(0, 255, 204, 0.2);
    color: var(--primary);
    border: 1px solid var(--primary);
}

.status-upcoming {
    background: rgba(255, 255, 255, 0.1);
    color: #ccc;
    border: 1px solid #666;
}

.footer {
    text-align: center;
    padding: 1.25rem;
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.9rem;
    margin-top: 1rem;
}

/* Responsive */
@media (max-width: 1080px) {
    .games-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .container {
        padding: 1.25rem 1rem 1rem;
    }

    .header {
        margin-bottom: 1.25rem;
    }

    .header h1 {
        font-size: 1.75rem;
    }

    .header p {
        font-size: 0.94rem;
    }

    .games-grid {
        grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    }

    .game-icon svg {
        width: var(--game-icon-size-sm);
        height: var(--game-icon-size-sm);
        stroke: currentColor;
        fill: none;
    }

    /* Accessibility & reduced motion */
    :focus {
        outline: none;
    }

    .play-btn:focus-visible,
    .game-card:focus-visible,
    .card-link:focus-visible {
        outline: 3px solid rgba(0, 255, 204, 0.14);
        outline-offset: 4px;
        box-shadow: 0 10px 30px rgba(0, 255, 204, 0.12);
    }

    .play-btn:focus {
        transform: translateY(-2px);
    }

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

        .background-animation,
        .glow-orb,
        .game-card,
        .play-btn,
        .game-icon,
        * {
            animation: none !important;
            transition: none !important;
        }
    }

    .play-btn {
        width: 100%;
    }
}