* { box-sizing: border-box; }

html, body {
    height: 100%;
    margin: 0;
    background: #05050a;
    font-family: 'Orbitron', monospace;
    color: #eef2ff;
    overflow: hidden;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 40% 35% at 12% 15%, rgba(0,255,136,0.10) 0%, transparent 60%),
        radial-gradient(ellipse 40% 35% at 85% 20%, rgba(179,136,255,0.10) 0%, transparent 60%),
        radial-gradient(ellipse 45% 40% at 50% 90%, rgba(255,47,208,0.08) 0%, transparent 60%);
    animation: hubDrift 18s ease-in-out infinite alternate;
}
@keyframes hubDrift {
    0%   { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-1.5%, 1.5%) scale(1.04); }
}
.hub-header, .hub { position: relative; z-index: 1; }

.hub-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(180deg, rgba(5,5,10,0.95), rgba(5,5,10,0.6));
    z-index: 20;
    pointer-events: none;
}
.hub-header h1 {
    font-size: 14px;
    letter-spacing: 3px;
    font-weight: 900;
    color: #fff;
    text-shadow: 0 0 16px rgba(255,255,255,0.4);
    margin: 0;
}
.hub-header .hub-emoji { font-size: 17px; }

.hub {
    display: flex;
    height: 100%;
    padding-top: 40px;
    gap: 14px;
    padding-right: 14px;
    padding-bottom: 14px;
    box-sizing: border-box;
}

.active-game-pane {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: stretch;
    justify-content: center;
    padding: 14px 0 14px 14px;
    min-height: 0;
}

#gameFrame {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 14px;
    background: #0a0a0f;
    box-shadow: 0 0 50px rgba(0,0,0,0.6);
}

.game-rail {
    width: 300px;
    flex-shrink: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    align-content: start;
    gap: 10px;
    overflow-y: auto;
    padding: 14px 2px 14px 0;
    min-height: 0;
}

.game-card {
    --card-accent: #00ff88;
    position: relative;
    background: rgba(255,255,255,0.03);
    border: 1px solid color-mix(in srgb, var(--card-accent) 30%, transparent);
    border-radius: 10px;
    padding: 10px 12px;
    cursor: pointer;
    text-align: left;
    color: #eef2ff;
    font-family: 'Orbitron', monospace;
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
    opacity: 0;
    transform: translateY(10px);
    animation: cardIn 0.4s ease forwards;
    min-width: 0;
    overflow: hidden;
}

.game-card-new {
    position: absolute;
    top: 8px;
    right: -22px;
    transform: rotate(35deg);
    background: linear-gradient(90deg, #ff2fd0, #b388ff);
    color: #fff;
    font-size: 8px;
    font-weight: 900;
    letter-spacing: 2px;
    padding: 2px 26px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.35);
}

.game-card-icon-plate {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--card-accent) 18%, transparent);
    border: 1px solid color-mix(in srgb, var(--card-accent) 35%, transparent);
}
@keyframes cardIn {
    to { opacity: 1; transform: translateX(0); }
}

.game-card:hover {
    border-color: var(--card-accent);
    box-shadow: 0 0 20px color-mix(in srgb, var(--card-accent) 35%, transparent);
    transform: translateY(-2px);
}

.game-card.active {
    border-color: var(--card-accent);
    background: color-mix(in srgb, var(--card-accent) 10%, transparent);
    box-shadow: 0 0 24px color-mix(in srgb, var(--card-accent) 45%, transparent);
}

.game-card-top {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}
.game-card-emoji { font-size: 16px; }
.game-card-title {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--card-accent);
    flex: 1;
}
.game-card-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--card-accent);
    box-shadow: 0 0 8px var(--card-accent);
    opacity: 0;
    animation: dotPulse 1.4s ease-in-out infinite;
}
.game-card.active .game-card-dot { opacity: 1; }
@keyframes dotPulse { 0%,100% { opacity: 0.5; } 50% { opacity: 1; } }

.game-card-tagline {
    font-size: 10px;
    opacity: 0.65;
    line-height: 1.5;
    letter-spacing: 0.5px;
}

/* Tablet & mobile: stack the rail above the game instead of beside it.
   Keep the 1024/640 breakpoints in sync with shared/responsive.js and the
   per-game stylesheets. */
@media (max-width: 1024px) {
    html, body { overflow: auto; }
    .hub {
        flex-direction: column;
        padding: 66px 14px 14px;
        height: auto;
        min-height: 100%;
    }
    /* min-height only (not height): shared/hub.js grows #gameFrame to match
       the loaded game's real content height, and this pane must be free to
       grow with it — a fixed height here would just clip the extra content
       into its own hard-to-notice nested scrollbar, which was the original
       bug. 68vh is just the starting size shown before that JS measurement
       lands on first paint. */
    .active-game-pane { padding: 0; min-height: 68vh; }
    .game-rail {
        width: 100%;
        grid-template-columns: repeat(3, 1fr);
        overflow: visible;
        padding: 0;
    }
}

@media (max-width: 640px) {
    .hub { padding: 60px 10px 10px; }
    .active-game-pane { min-height: 58vh; }
    .game-rail { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .game-card-tagline { display: none; }
}

body.light-mode { background: #eef1fb; }
body.light-mode .hub-header {
    background: linear-gradient(180deg, rgba(238,241,251,0.95), rgba(238,241,251,0.6));
}
body.light-mode .hub-header h1 { color: #10102a; text-shadow: none; }
body.light-mode .game-card { background: rgba(0,0,0,0.02); color: #10102a; }
body.light-mode #gameFrame { background: #fff; }