:root {
    --bg: #020617;
    --panel: rgba(2, 6, 23, 0.72);
    --cyan: #22d3ee;
    --magenta: #f0abfc;
    --yellow: #fde047;
    --green: #86efac;
    --orange: #fb923c;
    --violet: #a78bfa;
    --rose: #fb7185;
    --text: #e5e7eb;
    --muted: #94a3b8;
    --danger: #fb7185;
}

* {
    box-sizing: border-box;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
    overflow: hidden;
    background: radial-gradient(circle at 50% 20%, #172554 0%, #020617 42%, #000 100%);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
}

#app {
    position: fixed;
    inset: 0;
    overflow: hidden;
    background:
        radial-gradient(circle at 20% 20%, rgba(34, 211, 238, 0.16), transparent 28%),
        radial-gradient(circle at 80% 30%, rgba(240, 171, 252, 0.14), transparent 28%),
        radial-gradient(circle at 50% 80%, rgba(253, 224, 71, 0.08), transparent 30%),
        #020617;
}

#camera,
#drawCanvas,
#canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

#camera {
    object-fit: cover;
    transform: scaleX(-1);
    opacity: 0.34;
    filter: contrast(1.1) saturate(0.9) brightness(0.86);
}

#drawCanvas {
    z-index: 1;
    pointer-events: none;
}

#canvas {
    z-index: 2;
    pointer-events: none;
}

.scanlines {
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
    background:
        linear-gradient(rgba(255, 255, 255, 0.035) 50%, rgba(0, 0, 0, 0.07) 50%),
        linear-gradient(90deg, rgba(255, 0, 0, 0.02), rgba(0, 255, 255, 0.02));
    background-size: 100% 6px, 5px 100%;
    mix-blend-mode: screen;
    opacity: 0.32;
}

.vignette {
    position: absolute;
    inset: 0;
    z-index: 4;
    pointer-events: none;
    box-shadow: inset 0 0 130px rgba(0, 0, 0, 0.88), inset 0 0 24px rgba(34, 211, 238, 0.14);
}

.hud {
    position: absolute;
    left: max(16px, env(safe-area-inset-left));
    right: max(16px, env(safe-area-inset-right));
    top: max(16px, env(safe-area-inset-top));
    z-index: 5;
    display: flex;
    gap: 12px;
    justify-content: space-between;
    align-items: flex-start;
    pointer-events: none;
}

.brand,
.stats {
    background: var(--panel);
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 18px;
    padding: 12px 14px;
    backdrop-filter: blur(16px);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

.brand h1 {
    margin: 0;
    font-size: 14px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: white;
}

.brand p,
.stats p {
    margin: 5px 0 0;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.35;
}

.stats {
    min-width: 216px;
    text-align: right;
}

.controls {
    position: absolute;
    left: 50%;
    bottom: max(16px, env(safe-area-inset-bottom));
    transform: translateX(-50%);
    z-index: 6;
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 10px;
    border-radius: 999px;
    background: rgba(2, 6, 23, 0.72);
    border: 1px solid rgba(148, 163, 184, 0.24);
    backdrop-filter: blur(18px);
    box-shadow: 0 22px 80px rgba(0, 0, 0, 0.45);
}

button,
select {
    color: white;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid rgba(148, 163, 184, 0.25);
    padding: 10px 14px;
    min-height: 44px;
    border-radius: 999px;
    font-weight: 750;
    line-height: 1;
    cursor: pointer;
    letter-spacing: 0.02em;
    white-space: nowrap;
    outline: none;
}

button:focus-visible,
select:focus-visible {
    outline: 3px solid rgba(34, 211, 238, 0.72);
    outline-offset: 3px;
}

select {
    appearance: none;
    padding-right: 28px;
    background-image:
        linear-gradient(45deg, transparent 50%, #e5e7eb 50%),
        linear-gradient(135deg, #e5e7eb 50%, transparent 50%);
    background-position: calc(100% - 16px) 52%, calc(100% - 11px) 52%;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
}

button.primary {
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.95), rgba(240, 171, 252, 0.9));
    color: #020617;
    border-color: transparent;
}

button.active {
    color: #020617;
    background: var(--yellow);
    border-color: transparent;
}

button.draw-active {
    color: #020617;
    background: var(--green);
    border-color: transparent;
}

.loading {
    position: absolute;
    inset: 0;
    z-index: 10;
    display: grid;
    place-items: center;
    background: radial-gradient(circle at 50% 40%, rgba(15, 23, 42, 0.86), rgba(0, 0, 0, 0.95));
    transition: opacity 400ms ease, visibility 400ms ease;
}

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

.eye-lock {
    position: absolute;
    inset: 0;
    z-index: 7;
    display: grid;
    place-items: center;
    pointer-events: none;
    opacity: 1;
    visibility: visible;
    background: radial-gradient(circle at 50% 42%, rgba(251, 113, 133, 0.16), transparent 32%);
    transition: opacity 260ms ease, visibility 260ms ease;
}

.eye-lock.hidden {
    opacity: 0;
    visibility: hidden;
}

.eye-lock-panel {
    padding: 14px 18px;
    border-radius: 18px;
    background: rgba(2, 6, 23, 0.82);
    border: 1px solid rgba(251, 113, 133, 0.34);
    box-shadow: 0 22px 70px rgba(0, 0, 0, 0.5);
    text-align: center;
    backdrop-filter: blur(16px);
}

.eye-lock-panel strong {
    display: block;
    color: white;
    font-size: 13px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.eye-lock-panel span {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    font-size: 12px;
}

.loader-card {
    width: min(92vw, 440px);
    padding: 24px;
    border-radius: 28px;
    background: rgba(2, 6, 23, 0.82);
    border: 1px solid rgba(148, 163, 184, 0.24);
    box-shadow: 0 40px 120px rgba(0, 0, 0, 0.6);
    text-align: center;
    backdrop-filter: blur(18px);
}

.orb {
    width: 84px;
    height: 84px;
    border-radius: 50%;
    margin: 0 auto 18px;
    background: conic-gradient(from 0deg, var(--cyan), var(--magenta), var(--yellow), var(--cyan));
    filter: drop-shadow(0 0 26px rgba(34, 211, 238, 0.58));
    animation: spin 1.2s linear infinite;
}

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

.loader-card h2 {
    margin: 0 0 8px;
    font-size: 22px;
}

.loader-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.5;
}

.error {
    color: var(--danger) !important;
    margin-top: 12px !important;
    font-weight: 700;
}

@media (max-width: 1100px) {
    .controls {
        width: calc(100vw - 24px);
        justify-content: flex-start;
        overflow-x: auto;
        overscroll-behavior-inline: contain;
        scrollbar-width: thin;
    }
}

@media (max-width: 680px) {
    .hud {
        flex-direction: column;
    }

    .stats {
        text-align: left;
        min-width: 0;
    }

    button,
    select {
        padding: 9px 12px;
        font-size: 12px;
    }
}

@media (max-width: 420px) {
    .hud {
        left: max(10px, env(safe-area-inset-left));
        right: max(10px, env(safe-area-inset-right));
        top: max(10px, env(safe-area-inset-top));
    }

    .brand,
    .stats {
        width: 100%;
        padding: 10px 12px;
        border-radius: 14px;
    }

    .brand h1 {
        font-size: 12px;
        overflow-wrap: anywhere;
    }

    .controls {
        bottom: max(10px, env(safe-area-inset-bottom));
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.001ms !important;
    }
}