@import "tailwindcss";

/* Dark mode is driven by a `.dark` class on <html> (see ThemeProvider). */
@custom-variant dark (&:where(.dark, .dark *));

/* ──────────────────────────────────────────────────────────────────────────
   Palette
   Warm, paper-toned surfaces with a terracotta accent. Every semantic token
   below points at one of these raw values so that light/dark is a single
   swap of the `--c-*` layer.
   ────────────────────────────────────────────────────────────────────────── */
:root {
    /* Surfaces */
    --c-canvas: #faf9f5;
    --c-panel: #f0eee6;
    --c-surface: #ffffff;
    --c-surface-hover: #f5f4ee;
    --c-surface-sunken: #f2f1ea;

    /* Ink */
    --c-fg: #1f1e1d;
    --c-fg-muted: #6c6a63;
    --c-fg-subtle: #97948b;
    --c-fg-inverted: #faf9f5;

    /* Lines */
    --c-line: #e6e3d9;
    --c-line-strong: #d5d1c3;

    /* Accent — Claude terracotta */
    --c-accent: #d97757;
    --c-accent-hover: #c25f3f;
    --c-accent-fg: #ffffff;
    --c-accent-ink: #a44a2c;

    /* Secondary brand tones */
    --c-kraft: #d4a27f;
    --c-manilla: #ebdbbc;

    /* Status */
    --c-danger: #b4432c;
    --c-danger-hover: #9a3623;
    --c-success: #4f7a52;
    --c-live: #d1453b;

    /* Elevation */
    --c-shadow: 30 27 20;
    --shadow-ambient: 0 1px 2px rgb(var(--c-shadow) / 0.05), 0 1px 1px rgb(var(--c-shadow) / 0.04);
    --shadow-raised: 0 2px 4px rgb(var(--c-shadow) / 0.05), 0 8px 24px rgb(var(--c-shadow) / 0.07);
    --shadow-overlay: 0 4px 8px rgb(var(--c-shadow) / 0.06), 0 16px 40px rgb(var(--c-shadow) / 0.14);

    color-scheme: light;
}

.dark {
    --c-canvas: #262624;
    --c-panel: #1f1e1d;
    --c-surface: #30302e;
    --c-surface-hover: #3a3a37;
    --c-surface-sunken: #242422;

    --c-fg: #f5f4ee;
    --c-fg-muted: #a5a29a;
    --c-fg-subtle: #7d7a72;
    --c-fg-inverted: #1f1e1d;

    --c-line: #403f3b;
    --c-line-strong: #55534d;

    --c-accent: #d97757;
    --c-accent-hover: #e58e70;
    --c-accent-fg: #1f1e1d;
    --c-accent-ink: #e9a184;

    --c-kraft: #c99268;
    --c-manilla: #b7a887;

    --c-danger: #e0705a;
    --c-danger-hover: #ec8672;
    --c-success: #7aa87d;
    --c-live: #e5544a;

    --c-shadow: 0 0 0;
    --shadow-ambient: 0 1px 2px rgb(var(--c-shadow) / 0.24);
    --shadow-raised: 0 2px 4px rgb(var(--c-shadow) / 0.2), 0 8px 24px rgb(var(--c-shadow) / 0.28);
    --shadow-overlay: 0 4px 8px rgb(var(--c-shadow) / 0.28), 0 16px 40px rgb(var(--c-shadow) / 0.45);

    color-scheme: dark;
}

/* ──────────────────────────────────────────────────────────────────────────
   Design tokens exposed to Tailwind
   ────────────────────────────────────────────────────────────────────────── */
@theme inline {
    --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    --font-serif: "Source Serif 4", ui-serif, Georgia, Cambria, "Times New Roman", serif;
    --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

    --color-canvas: var(--c-canvas);
    --color-panel: var(--c-panel);
    --color-surface: var(--c-surface);
    --color-surface-hover: var(--c-surface-hover);
    --color-sunken: var(--c-surface-sunken);

    --color-fg: var(--c-fg);
    --color-muted: var(--c-fg-muted);
    --color-subtle: var(--c-fg-subtle);
    --color-inverted: var(--c-fg-inverted);

    --color-line: var(--c-line);
    --color-line-strong: var(--c-line-strong);

    --color-accent: var(--c-accent);
    --color-accent-hover: var(--c-accent-hover);
    --color-accent-fg: var(--c-accent-fg);
    --color-accent-ink: var(--c-accent-ink);

    --color-kraft: var(--c-kraft);
    --color-manilla: var(--c-manilla);

    --color-danger: var(--c-danger);
    --color-danger-hover: var(--c-danger-hover);
    --color-success: var(--c-success);
    --color-live: var(--c-live);

    --shadow-ambient: var(--shadow-ambient);
    --shadow-raised: var(--shadow-raised);
    --shadow-overlay: var(--shadow-overlay);

    --breakpoint-3xl: 1920px;

    --ease-fluid: cubic-bezier(0.3, 0, 0, 1);
    --ease-snappy: cubic-bezier(0.2, 0, 0, 1);

    --animate-rise: rise 0.35s cubic-bezier(0.3, 0, 0, 1) both;
    --animate-fade: fade 0.25s ease-out both;
    --animate-pop: pop 0.16s cubic-bezier(0.2, 0, 0, 1) both;
    --animate-shimmer: shimmer 1.6s ease-in-out infinite;
}

@keyframes rise {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: none; }
}

@keyframes fade {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pop {
    from { opacity: 0; transform: scale(0.96) translateY(-4px); }
    to { opacity: 1; transform: none; }
}

@keyframes shimmer {
    0%, 100% { opacity: 0.45; }
    50% { opacity: 0.8; }
}

/* ──────────────────────────────────────────────────────────────────────────
   Base
   ────────────────────────────────────────────────────────────────────────── */
@layer base {
    * {
        border-color: var(--c-line);
    }

    html {
        font-family: var(--font-sans);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        text-rendering: optimizeLegibility;
        font-synthesis-weight: none;
    }

    body {
        background-color: var(--c-canvas);
        color: var(--c-fg);
        line-height: 1.5;
        font-feature-settings: "cv11", "ss01";
        font-variation-settings: "opsz" 32;
    }

    h1, h2, h3 {
        letter-spacing: -0.018em;
    }

    ::selection {
        background-color: color-mix(in oklab, var(--c-accent) 26%, transparent);
        color: var(--c-fg);
    }

    :focus-visible {
        outline: 2px solid var(--c-accent);
        outline-offset: 2px;
        border-radius: 4px;
    }

    /* Scrollbars — thin and unobtrusive, warm-toned */
    * {
        scrollbar-width: thin;
        scrollbar-color: var(--c-line-strong) transparent;
    }

    ::-webkit-scrollbar {
        width: 10px;
        height: 10px;
    }

    ::-webkit-scrollbar-track {
        background: transparent;
    }

    ::-webkit-scrollbar-thumb {
        background-color: var(--c-line-strong);
        border-radius: 999px;
        border: 3px solid transparent;
        background-clip: content-box;
    }

    ::-webkit-scrollbar-thumb:hover {
        background-color: var(--c-fg-subtle);
    }
}

/* ──────────────────────────────────────────────────────────────────────────
   Form controls
   ────────────────────────────────────────────────────────────────────────── */
@layer components {
    .field {
        width: 100%;
        border-radius: 0.625rem;
        border: 1px solid var(--c-line-strong);
        background-color: var(--c-surface);
        color: var(--c-fg);
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
        line-height: 1.4rem;
        transition: border-color 150ms, box-shadow 150ms, background-color 150ms;
    }

    .field::placeholder {
        color: var(--c-fg-subtle);
    }

    .field:hover:not(:disabled):not(:focus) {
        border-color: color-mix(in oklab, var(--c-fg-subtle) 60%, var(--c-line-strong));
    }

    .field:focus {
        outline: none;
        border-color: var(--c-accent);
        box-shadow: 0 0 0 3px color-mix(in oklab, var(--c-accent) 18%, transparent);
    }

    .field:disabled {
        background-color: var(--c-surface-sunken);
        color: var(--c-fg-subtle);
        cursor: not-allowed;
    }

    select.field {
        appearance: none;
        background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236c6a63' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
        background-repeat: no-repeat;
        background-position: right 0.6rem center;
        padding-right: 2rem;
    }

    .dark select.field {
        background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23a5a29a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
    }

    /* Native range inputs (volume, scrub) */
    .slider {
        -webkit-appearance: none;
        appearance: none;
        background: transparent;
        cursor: pointer;
        height: 1rem;
    }

    .slider::-webkit-slider-runnable-track {
        height: 4px;
        border-radius: 999px;
        background: color-mix(in oklab, var(--c-fg) 14%, transparent);
    }

    .slider::-moz-range-track {
        height: 4px;
        border-radius: 999px;
        background: color-mix(in oklab, var(--c-fg) 14%, transparent);
    }

    .slider::-webkit-slider-thumb {
        -webkit-appearance: none;
        appearance: none;
        margin-top: -4px;
        height: 12px;
        width: 12px;
        border-radius: 999px;
        background: var(--c-accent);
        border: none;
        transition: transform 120ms;
    }

    .slider::-moz-range-thumb {
        height: 12px;
        width: 12px;
        border: none;
        border-radius: 999px;
        background: var(--c-accent);
    }

    .slider:hover::-webkit-slider-thumb { transform: scale(1.25); }
    .slider:active::-webkit-slider-thumb { transform: scale(1.35); }

    /* Light-on-dark variant used over video */
    .slider-onvideo::-webkit-slider-runnable-track { background: rgb(255 255 255 / 0.28); }
    .slider-onvideo::-moz-range-track { background: rgb(255 255 255 / 0.28); }
    .slider-onvideo::-webkit-slider-thumb { background: #fff; }
    .slider-onvideo::-moz-range-thumb { background: #fff; }
}

/* react-range-slider-input — trim range on the clip editor */
#range-slider {
    height: 8px;
    border-radius: 999px;
    background: color-mix(in oklab, var(--c-fg) 10%, transparent);
    border: none;
}

#range-slider .range-slider__range {
    background: var(--c-accent);
}

#range-slider .range-slider__thumb {
    width: 16px;
    height: 16px;
    background: var(--c-surface);
    border: 3px solid var(--c-accent);
    box-shadow: var(--shadow-ambient);
    transition: transform 120ms cubic-bezier(0.2, 0, 0, 1);
}

#range-slider .range-slider__thumb:hover,
#range-slider .range-slider__thumb[data-active="true"] {
    transform: translate(-50%, -50%) scale(1.15);
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}