:root {
    color-scheme: dark;
    --bg: #0e0f13;
    --surface: rgba(255, 255, 255, 0.05);
    --surface-hover: rgba(255, 255, 255, 0.08);
    --text: #ececf1;
    --muted: #8b8d98;
    --line: rgba(255, 255, 255, 0.09);
    --accent: #5b9bff;
    --accent-hover: #6a9fff;
    --danger: #ff6b6b;
    --radius: 24px;
    --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", system-ui, sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    background:
        radial-gradient(60rem 36rem at 50% -8rem, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%),
        var(--bg);
    background-repeat: no-repeat;
    color: var(--text);
    font-family: var(--font);
    -webkit-font-smoothing: antialiased;
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

main {
    flex: 1;
    width: 100%;
    max-width: 980px;
    margin: 0 auto;
    padding: clamp(3rem, 12vh, 7rem) 1.5rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

[hidden] {
    display: none !important;
}

h1 {
    margin: 0;
    font-size: clamp(2.25rem, 7vw, 3.75rem);
    line-height: 1.08;
    font-weight: 600;
    letter-spacing: -0.025em;
}

h1 span {
    color: var(--accent);
}

.lede {
    margin: 1.25rem 0 0;
    max-width: 30rem;
    font-size: clamp(1.05rem, 2.4vw, 1.3rem);
    line-height: 1.4;
    color: var(--muted);
}

.drop {
    margin-top: clamp(2rem, 6vh, 3.5rem);
    width: min(100%, 560px);
    padding: 3rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    cursor: pointer;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    -webkit-tap-highlight-color: transparent;
}

.drop:hover,
.drop:focus-within {
    background: var(--surface-hover);
    border-color: color-mix(in srgb, var(--accent) 60%, transparent);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 16%, transparent);
}

.drop:active {
    transform: scale(0.985);
}

.drop.dragging {
    border-color: var(--accent);
    transform: scale(1.015);
    box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 22%, transparent);
}

.drop input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.icon {
    box-sizing: content-box;
    width: 1.75rem;
    height: 1.75rem;
    padding: 1.1rem;
    margin-bottom: 1rem;
    border-radius: 50%;
    fill: #fff;
    background: var(--accent);
    box-shadow: 0 10px 30px -6px color-mix(in srgb, var(--accent) 70%, transparent);
    transition: transform 0.25s ease;
}

.drop:hover .icon {
    transform: scale(1.06);
}

.drop-title {
    font-size: 1.2rem;
    font-weight: 500;
    letter-spacing: -0.01em;
}

.drop-hint {
    font-size: 0.95rem;
    color: var(--muted);
}

.stage {
    width: 100%;
    animation: rise 0.45s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.stage video {
    display: block;
    width: 100%;
    max-height: 72vh;
    background: #000;
    border-radius: var(--radius);
    box-shadow: 0 30px 80px -20px color-mix(in srgb, var(--accent) 35%, rgba(0, 0, 0, 0.6));
}

.meta {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.file-name {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 1rem;
    font-weight: 500;
    color: var(--muted);
}

.actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.pill {
    appearance: none;
    border: 0;
    border-radius: 999px;
    padding: 0.7rem 1.4rem;
    font: inherit;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    transition: background 0.2s ease, transform 0.15s ease;
}

.pill:hover {
    background: color-mix(in srgb, var(--accent) 20%, transparent);
}

.pill:active {
    transform: scale(0.96);
}

.pill.primary {
    color: #fff;
    background: var(--accent);
    box-shadow: 0 8px 24px -8px color-mix(in srgb, var(--accent) 80%, transparent);
}

.pill.primary:hover {
    filter: brightness(1.1);
}

:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
}

.error {
    min-height: 1.4em;
    margin: 1.25rem 0 0;
    font-size: 0.95rem;
    color: var(--danger);
}

footer {
    padding: 1.5rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--muted);
}

@keyframes rise {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.99);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}