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

body {
    overflow: hidden;
    background: #1a1a2e;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: #e0e0e0;
}

#viewport {
    width: 100vw;
    height: 100vh;
}

#viewport canvas {
    display: block;
}

/* ── Header ──────────────────────────────────────────────── */

#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 24px;
    background: linear-gradient(180deg, rgba(10, 10, 20, 0.85) 0%, rgba(10, 10, 20, 0) 100%);
    pointer-events: none;
}

#header h1 {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.3px;
    pointer-events: auto;
}

.header-accent {
    color: #ff9a3c;
    font-weight: 400;
}

.header-separator {
    color: #555;
    font-weight: 300;
    margin: 0 2px;
}

#github-link {
    position: fixed;
    right: 20px;
    bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    color: #aaa;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    padding: 7px 16px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.15s;
    pointer-events: auto;
    z-index: 15;
}

#github-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.2);
}

#github-label {
    color: #e0e0e0;
    font-weight: 600;
}

/* ── Queue & Timeout Overlays ────────────────────────────── */

.hidden {
    display: none !important;
}

#queue-overlay,
#timeout-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 40px;
    background: rgba(10, 10, 20, 0.25);
    backdrop-filter: blur(1px);
}

#queue-box,
#timeout-box {
    background: rgba(15, 15, 30, 0.85);
    backdrop-filter: blur(12px);
    color: #e0e0e0;
    border-radius: 14px;
    padding: 28px 34px;
    max-width: 480px;
    width: 90%;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.08);
    line-height: 1.7;
}

#queue-box h1,
#timeout-box h1 {
    font-size: 20px;
    margin-bottom: 12px;
    color: #fff;
}

#queue-box p,
#timeout-box p {
    font-size: 14px;
    margin-bottom: 6px;
    color: #bbb;
}

#queue-box strong,
#timeout-box strong {
    color: #fff;
}

#queue-box hr,
#timeout-box hr {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin: 14px 0;
}

.queue-footer {
    color: #888;
    font-size: 13px !important;
}

.queue-footer a {
    color: #6ea8fe;
    text-decoration: none;
}

.queue-footer a:hover {
    text-decoration: underline;
}

#reload-btn {
    display: block;
    margin: 14px auto 0;
    padding: 10px 28px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    background: #4a90d9;
    color: #fff;
    cursor: pointer;
    transition: background 0.2s;
}

#reload-btn:hover {
    background: #3570b0;
}

/* ── HUD Overlay ─────────────────────────────────────────── */

#overlay {
    position: fixed;
    top: 52px;
    left: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 10;
}

#hud-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

#status {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 15px;
}

#connection-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #f44;
    transition: background 0.3s;
}

#connection-dot.connected {
    background: #4f4;
}

#fps-display {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 15px;
    font-family: 'Consolas', 'Monaco', monospace;
    color: #999;
}

#inference-display {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 15px;
    font-family: 'Consolas', 'Monaco', monospace;
    color: #999;
}

#style-display {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    width: fit-content;
}

#debug-label {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    color: #777;
    width: fit-content;
}

/* ── Session Timer ───────────────────────────────────────── */

#session-timer {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 15px;
    font-family: 'Consolas', 'Monaco', monospace;
    color: #ccc;
}

#session-timer.warning {
    color: #ffaa33;
}

#session-timer.critical {
    color: #ff4444;
    animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ── Controls Help ───────────────────────────────────────── */

#controls-help {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    padding: 14px 18px;
    border-radius: 10px;
    font-size: 14px;
    z-index: 10;
}

.controls-section h3 {
    font-size: 11px;
    margin-bottom: 6px;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.controls-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 8px 0;
}

.control-row {
    margin-bottom: 3px;
    line-height: 1.5;
    color: #bbb;
}

kbd {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    padding: 2px 7px;
    font-size: 14px;
    font-family: inherit;
    margin-right: 2px;
    color: #ddd;
}

/* ── Style Switcher ──────────────────────────────────────── */

#style-switcher {
    position: fixed;
    top: 52px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    z-index: 10;
}
#style-dropdown-label {
    display: block;
    position: fixed;
    top: 30px;
    right: 20px;
    z-index: 11;
    font-size: 11px;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: #aab6d8;
    font-weight: 700;
}
#style-dropdown {
    display: none;
}
.style-btn {
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #bbb;
    padding: 8px 18px;
    border-radius: 7px;
    cursor: pointer;
    font-size: 15px;
    text-align: left;
    transition: all 0.15s;
}

.style-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.style-btn.active {
    background: rgba(80, 140, 255, 0.35);
    border-color: rgba(80, 140, 255, 0.6);
    color: #fff;
}

/* ── Touch Controls (mobile) ─────────────────────────────── */

#touch-controls {
    display: none;
    position: fixed;
    bottom: 24px;
    left: 0;
    right: 0;
    z-index: 30;
    justify-content: space-between;
    align-items: flex-end;
    padding: 0 24px;
    pointer-events: none;
}

.joystick {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid rgba(255, 255, 255, 0.15);
    position: relative;
    pointer-events: auto;
    touch-action: none;
}

.joystick-knob {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.4);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: background 0.1s;
}

.joystick-knob.active {
    background: rgba(255, 255, 255, 0.5);
}

#debug-btn-mobile {
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid rgba(255, 255, 255, 0.15);
    color: #ccc;
    font-size: 13px;
    font-weight: 600;
    padding: 10px 14px;
    border-radius: 10px;
    pointer-events: auto;
    touch-action: none;
    transition: all 0.1s;
}

#debug-btn-mobile.active {
    background: rgba(80, 140, 255, 0.3);
    border-color: rgba(80, 140, 255, 0.6);
    color: #fff;
}

/* ── Mobile responsive ───────────────────────────────────── */

@media (hover: none) and (pointer: coarse) {
    #touch-controls {
        display: flex;
        bottom: calc(12px + env(safe-area-inset-bottom));
    }

    #controls-help {
        display: none;
    }

    #debug-label {
        display: none;
    }

    #header {
        top: env(safe-area-inset-top);
        padding: 8px 12px;
        justify-content: flex-start;
    }

    #style-switcher {
        display: none;
    }

    #style-dropdown-label {
        top: calc(env(safe-area-inset-top) + 82px);
        right: 12px;
    }

    #style-dropdown {
        display: block !important;
        position: fixed;
        top: calc(env(safe-area-inset-top) + 104px);
        right: 12px;
        width: min(50vw, 156px);
        padding: 8px 28px 8px 10px;
        font-size: 12px;
        font-weight: 700;
        background: rgba(0, 0, 0, 0.72);
        backdrop-filter: blur(8px);
        border: 1px solid rgba(110, 168, 254, 0.55);
        border-radius: 8px;
        color: #e0e0e0;
        z-index: 10;
        cursor: pointer;
        -webkit-appearance: none;
        appearance: none;
        background-image:
            linear-gradient(45deg, transparent 50%, #9fb2eb 50%),
            linear-gradient(135deg, #9fb2eb 50%, transparent 50%);
        background-position:
            calc(100% - 14px) calc(50% - 2px),
            calc(100% - 9px) calc(50% - 2px);
        background-size: 5px 5px, 5px 5px;
        background-repeat: no-repeat;
    }

    #style-dropdown:focus {
        outline: none;
        border-color: rgba(80, 140, 255, 0.6);
        background: rgba(80, 140, 255, 0.15);
    }

    #style-dropdown option {
        background: #2a2a3e;
        color: #e0e0e0;
        padding: 8px;
    }

    .style-btn {
        padding: 6px 14px;
        font-size: 13px;
    }

    #header h1 {
        font-size: 13px;
        letter-spacing: 0;
        max-width: 78vw;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    #github-link {
        top: calc(env(safe-area-inset-top) + 144px);
        bottom: auto;
        right: 12px;
        padding: 6px 10px;
        font-size: 12px;
        gap: 5px;
    }

    #github-label {
        display: none;
    }

    #debug-btn-mobile {
        position: fixed;
        top: calc(env(safe-area-inset-top) + 144px);
        left: 12px;
        margin: 0;
        z-index: 12;
        min-width: 88px;
        text-align: center;
    }

    #overlay {
        top: calc(env(safe-area-inset-top) + 38px);
        left: 12px;
        right: 12px;
    }

    #hud-row {
        flex-wrap: wrap;
        gap: 6px;
    }

    #status,
    #fps-display,
    #inference-display,
    #session-timer,
    #style-display {
        padding: 7px 12px;
        font-size: 13px;
    }

    #style-display {
        display: none;
    }
}