@import 'tailwindcss';

/*
 * soulseek-rs — design tokens.
 *
 * Ported verbatim from the design system's tokens/{colors,typography,spacing}.css.
 * The same values back the TUI in soulseek-rs/src/ui/styles.rs, so the terminal
 * and the site stay one product. Dark is the native theme; light re-cuts the
 * semantic hues ~10% darker because phosphor and tape read on vinyl but wash
 * out on manila.
 *
 * Theme switching is driven by [data-theme] on <html>, matching the design's
 * own selector, rather than Tailwind's default `.dark` class.
 */
@custom-variant light (&:where([data-theme='light'], [data-theme='light'] *));

@theme {
  /* ---- Raw palette (dark-native names) ---- */
  --color-sleeve: #14110f; /* warm off-black — cardboard shadow, never #000 */
  --color-vinyl: #1e1a17; /* panels / surfaces, one step up from base */
  --color-vinyl-2: #26211d; /* raised surface / hover on panels */
  --color-dust: #8a8178; /* muted warm grey — secondary text, borders */
  --color-paper: #e8e1d6; /* aged insert card — primary text, never #FFF */
  --color-paper-dim: #c9c1b4;

  --color-oxide: #c1502e; /* iron-oxide accent, deeper than Rust's own #CE422B */
  --color-tape: #d8a657; /* cassette-shell amber — warnings, queued */
  --color-phosphor: #7fb685; /* desaturated LCD green — success, connected */
  --color-signal: #6e9dc9; /* softened windows-classic blue — links, info */
  --color-alarm: #b33a3a; /* error red, distinguishable from oxide */

  --color-manila: #f2ede4;
  --color-manila-2: #e8e1d6;
  --color-manila-3: #ded5c7;

  /* ---- Semantic aliases, wired to the runtime vars below ---- */
  --color-base: var(--bg-base);
  --color-panel: var(--bg-panel);
  --color-raised: var(--bg-raised);

  --color-primary: var(--text-primary);
  --color-secondary: var(--text-secondary);
  --color-muted: var(--text-muted);

  --color-hairline: var(--border-hairline);
  --color-line: var(--border-default);
  --color-line-strong: var(--border-strong);

  /*
   * --accent fills; --accent-text writes.
   *
   * The oxide accent is a mid-tone: it clears 4.5:1 as a background behind
   * white, but not as 11px text on vinyl. Splitting the two uses lets the
   * fill keep the brand hue while the text cut earns its contrast.
   */
  --color-accent: var(--accent);
  --color-accent-text: var(--accent-text);
  --color-accent-hover: var(--accent-hover);

  --color-success: var(--status-success);
  --color-warning: var(--status-warning);
  --color-info: var(--status-info);

  --color-link: var(--link);
  --color-link-hover: var(--link-hover);

  /* ---- Typography: monospace, non-negotiable. It's a terminal application. ---- */
  --font-mono:
    'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  /* the "earned wink" — the era's forum font. One surface only. */
  --font-forum: Verdana, Tahoma, sans-serif;

  /* Scale, from the brandbook specimen (48/56, 32/40, 20/28, 14/22, 12/18) */
  --text-display: 48px;
  --text-display--line-height: 56px;
  --text-title: 32px;
  --text-title--line-height: 40px;
  --text-heading: 20px;
  --text-heading--line-height: 28px;
  --text-body: 14px;
  --text-body--line-height: 22px;
  --text-label: 11px;
  --text-label--line-height: 14px;

  --tracking-label: 0.06em;

  --radius-md: 8px;

  --animate-cursor-blink: ss-cursor-blink 1.06s steps(1) infinite;

  @keyframes ss-cursor-blink {
    0%,
    50% {
      opacity: 1;
    }
    50.01%,
    100% {
      opacity: 0;
    }
  }
}

/* ---- DARK is the default theme ---- */
:root {
  --bg-base: var(--color-sleeve);
  --bg-panel: var(--color-vinyl);
  --bg-raised: var(--color-vinyl-2);
  --bg-selection: rgb(110 157 201 / 0.22);

  /* Brightened from the raw palette for web body contrast — still warm. */
  --text-primary: #ffffff;
  --text-secondary: #e4dfd8;
  --text-muted: #bdb4a9;

  --border-hairline: rgb(138 129 120 / 0.35);
  --border-default: rgb(138 129 120 / 0.7);
  --border-strong: var(--color-dust);

  --accent: var(--color-oxide);
  /* Raised off #c1502e, which reads 3.99:1 as small text on vinyl. */
  --accent-text: #cd7155;
  --accent-hover: #d05f3c;

  --status-warning: var(--color-tape);
  --status-success: var(--color-phosphor);
  --status-info: var(--color-signal);

  --link: var(--color-signal);
  --link-hover: #8bb4dc;

  /* Terminal surface — a real terminal, darker than the page around it. */
  --tm-bg: #1e1a17;
  --tm-hd: #181513;
  --tm-fg: #ffffff;
  --tm-dim: #bdb4a9;
  --tm-bd: rgb(138 129 120 / 0.32);
  --tm-bd2: rgb(138 129 120 / 0.22);
  --tm-bd3: rgb(138 129 120 / 0.6);
  --tm-pr: #c1502e;
  --tm-cm: #aba298;
  --tm-ok: #7fb685;
  --cmd-bg: #0e0c0a;
  --tui-track: #2a2622;
  --tui-bezel: #000000;

  color-scheme: dark;
}

/* ---- LIGHT: base becomes manila, sleeve becomes ink, accents darken ~10% ---- */
[data-theme='light'] {
  --bg-base: var(--color-manila);
  --bg-panel: var(--color-manila-2);
  --bg-raised: var(--color-manila-3);
  --bg-selection: rgb(76 127 174 / 0.2);

  /*
   * Every value below clears 4.5:1 against --bg-raised, the darkest of the
   * three light surfaces, so each one holds on base, panel and raised alike.
   * The design's original cuts were tuned against the base only, which left
   * links at 3.64:1 and the success green at 2.86:1.
   */
  --text-primary: var(--color-sleeve);
  --text-secondary: #574e45;
  --text-muted: #645b52;

  --border-hairline: rgb(20 17 15 / 0.15);
  --border-default: rgb(20 17 15 / 0.28);
  --border-strong: #6b6259;

  --accent: #ae4728;
  --accent-text: #9c3f23;
  --accent-hover: #c1502e;

  --status-warning: #755725;
  --status-success: #3e6543;
  --status-info: #395f82;

  --link: #395f82;
  --link-hover: #24486a;

  --tm-bg: #e9e2d7;
  --tm-hd: #dcd3c4;
  --tm-fg: #14110f;
  --tm-dim: #574e45;
  --tm-bd: rgb(20 17 15 / 0.2);
  --tm-bd2: rgb(20 17 15 / 0.13);
  --tm-bd3: rgb(20 17 15 / 0.42);
  --tm-pr: #9e3f22;
  --tm-cm: #6b6259;
  --tm-ok: #3f7147;
  --cmd-bg: #dcd3c4;
  --tui-track: #cfc5b5;
  --tui-bezel: rgb(20 17 15 / 0.28);

  color-scheme: light;
}

/*
 * Only the cut that is actually shown gets fetched; a hidden image element
 * would still be downloaded. url() is relative to this stylesheet, which
 * Vite rebases against `base`, so the deploy path stays in vite.config.ts.
 */
.logo-mark {
  background-image: url('/logo-ink.svg');
}

[data-theme='light'] .logo-mark {
  background-image: url('/logo-light.svg');
}

/*
 * The TUI panes paint from the raw palette (paper, dust, oxide…) because that
 * is what the Rust client does. Those names do not flip with the theme, so
 * each theme re-cuts them, scoped to the terminal's content.
 *
 * Dark brightens two of them the way a real emulator brightens its palette
 * against black: #b33a3a reads 3.21:1 on vinyl and #c1502e 3.99:1 — fine for
 * a glyph, not for the "Failed" and progress text beside it.
 */
.tui-content {
  --color-alarm: #c26060;
  --color-oxide: #c65f40;
}

/* Light would otherwise leave paper-on-paper: the whole set re-cuts dark. */
[data-theme='light'] .tui-content {
  --color-paper: #14110f;
  --color-paper-dim: #3a332c;
  --color-dust: #645b52;
  --color-oxide: #9e3f22;
  --color-tape: #8d621f; /* 4.62:1 on manila; #8f6420 sat at 4.49 */
  --color-phosphor: #3f7147;
  --color-signal: #35648f;
  --color-alarm: #8f2626;
}

@layer base {
  html {
    scroll-behavior: smooth;
    /* Anchored headings clear the sticky nav instead of hiding under it. */
    scroll-padding-top: 5rem;
    -webkit-text-size-adjust: 100%;
  }

  body {
    background: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: var(--text-body);
    line-height: var(--text-body--line-height);
    /* Tabular figures EVERYWHERE — speeds, sizes, queue positions, ETAs. */
    font-variant-numeric: tabular-nums;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  ::selection {
    background: var(--bg-selection);
  }

  /* The design system's own focus treatment, applied once globally. */
  :focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }

  /*
   * Reduced motion, scoped rather than nuked.
   *
   * A blanket `*{animation-duration:0.01ms}` also kills the transitions that
   * carry meaning — a button acknowledging a copy, a card answering a hover.
   * Those are state changes a reduced-motion reader still wants; what they
   * asked not to see is travel and looping.
   *
   * So: stop the looping cursor and smooth scrolling, cap the rest at a
   * duration short enough to read as instant feedback rather than movement.
   * The TUI goes further and skips its opening run entirely — see
   * prefersReducedMotion() in components/tui/hero-terminal.tsx.
   */
  @media (prefers-reduced-motion: reduce) {
    html {
      scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
      animation-iteration-count: 1 !important;
      transition-duration: 80ms !important;
    }

    /* Looping or travelling motion has no reduced-motion equivalent. */
    [class*='animate-'] {
      animation: none !important;
    }
  }
}