/* ============================================================
   Design tokens. Every color, size, and timing value used by the
   dashboard is defined here as a CSS custom property. Nothing else
   in the codebase should hard-code a hex value, px size, or ms
   duration - change the look by changing a token.
   ============================================================ */

:root {
  /* ---- typography ---- */
  --font-sans: "Inter var", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono var", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --text-xs: 12px;
  --text-sm: 13px;
  --text-base: 14px;
  --text-md: 16px;
  --text-lg: 20px;
  --text-xl: 24px;
  --text-2xl: 32px;

  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;

  --leading-tight: 1.2;
  --leading-normal: 1.45;
  --leading-relaxed: 1.6;

  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.06em;

  /* ---- spacing (4px grid) ---- */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* ---- radii ---- */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 999px;

  /* ---- motion ---- */
  --duration-fast: 150ms;
  --duration-base: 200ms;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  /* ---- layout ---- */
  --sidebar-w: 240px;
  --sidebar-w-collapsed: 68px;
  --topbar-h: 56px;
  --content-max-w: 1320px;

  /* ---- z-index ---- */
  --z-sticky: 10;
  --z-dropdown: 50;
  --z-toast: 100;
  --z-modal: 200;

  /* ================= color: dark theme (default) ================= */
  --gray-0: #0b0d11;
  --bg: #101318;
  --bg-panel: #15181e;
  --bg-elevated: #1b1f27;
  --bg-hover: #1e222a;
  --border: #262b34;
  --border-strong: #333a46;

  --text: #e9ebf0;
  --text-dim: #9aa1b0;
  --text-faint: #6b7280;
  --text-on-accent: #ffffff;

  --accent: #22d3ee;
  --accent-solid: #0e7490;
  --accent-solid-hover: #109cb0;
  --accent-tint: rgba(34, 211, 238, 0.14);
  --accent-ring: rgba(34, 211, 238, 0.45);

  --live: #ff6b6b;
  --live-solid: #c92a2a;
  --live-solid-hover: #a61e1e;
  --live-tint: rgba(255, 107, 107, 0.14);

  --success: #34d399;
  --success-tint: rgba(52, 211, 153, 0.14);
  --warning: #fbbf24;
  --warning-tint: rgba(251, 191, 36, 0.14);
  --info: #60a5fa;
  --info-tint: rgba(96, 165, 250, 0.14);

  --shadow-sm: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 4px 16px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 16px 48px rgba(0, 0, 0, 0.55);

  /* ---- liquid glass (nav only - see layout.css) ---- */
  --glass-blur: 20px;
  --glass-sat: 160%;
  --glass-tint: rgba(255, 255, 255, 0.045);
  --glass-tint-active: rgba(34, 211, 238, 0.10);
  --glass-border: rgba(255, 255, 255, 0.09);
  --glass-edge-highlight: rgba(255, 255, 255, 0.32);
  --glass-shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 8px 32px rgba(0, 0, 0, 0.45), 0 2px 8px rgba(0, 0, 0, 0.3);

  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f6f7f9;
    --bg-panel: #ffffff;
    --bg-elevated: #ffffff;
    --bg-hover: #f0f1f4;
    --border: #e4e7ec;
    --border-strong: #d0d5dd;

    --text: #12141a;
    --text-dim: #5b6270;
    --text-faint: #8b93a1;
    --text-on-accent: #ffffff;

    --accent: #0b7285;
    --accent-solid: #0e7490;
    --accent-solid-hover: #0c8599;
    --accent-tint: rgba(11, 114, 133, 0.1);
    --accent-ring: rgba(11, 114, 133, 0.35);

    --live: #dc2626;
    --live-solid: #c92a2a;
    --live-solid-hover: #a61e1e;
    --live-tint: rgba(220, 38, 38, 0.1);

    --success: #047857;
    --success-tint: rgba(4, 120, 87, 0.1);
    --warning: #b45309;
    --warning-tint: rgba(180, 83, 9, 0.1);
    --info: #2563eb;
    --info-tint: rgba(37, 99, 235, 0.1);

    --shadow-sm: 0 1px 2px rgba(16, 19, 24, 0.04);
    --shadow-md: 0 4px 16px rgba(16, 19, 24, 0.08);
    --shadow-lg: 0 16px 48px rgba(16, 19, 24, 0.14);

    --glass-tint: rgba(255, 255, 255, 0.55);
    --glass-tint-active: rgba(11, 114, 133, 0.10);
    --glass-border: rgba(16, 20, 28, 0.08);
    --glass-edge-highlight: rgba(255, 255, 255, 0.85);
    --glass-shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset, 0 8px 32px rgba(16, 19, 24, 0.10), 0 2px 8px rgba(16, 19, 24, 0.06);

    color-scheme: light;
  }
}

:root[data-theme="light"] {
  --bg: #f6f7f9;
  --bg-panel: #ffffff;
  --bg-elevated: #ffffff;
  --bg-hover: #f0f1f4;
  --border: #e4e7ec;
  --border-strong: #d0d5dd;

  --text: #12141a;
  --text-dim: #5b6270;
  --text-faint: #8b93a1;
  --text-on-accent: #ffffff;

  --accent: #0b7285;
  --accent-solid: #0e7490;
  --accent-solid-hover: #0c8599;
  --accent-tint: rgba(11, 114, 133, 0.1);
  --accent-ring: rgba(11, 114, 133, 0.35);

  --live: #dc2626;
  --live-solid: #c92a2a;
  --live-solid-hover: #a61e1e;
  --live-tint: rgba(220, 38, 38, 0.1);

  --success: #047857;
  --success-tint: rgba(4, 120, 87, 0.1);
  --warning: #b45309;
  --warning-tint: rgba(180, 83, 9, 0.1);
  --info: #2563eb;
  --info-tint: rgba(37, 99, 235, 0.1);

  --shadow-sm: 0 1px 2px rgba(16, 19, 24, 0.04);
  --shadow-md: 0 4px 16px rgba(16, 19, 24, 0.08);
  --shadow-lg: 0 16px 48px rgba(16, 19, 24, 0.14);

  --glass-tint: rgba(255, 255, 255, 0.55);
  --glass-tint-active: rgba(11, 114, 133, 0.10);
  --glass-border: rgba(16, 20, 28, 0.08);
  --glass-edge-highlight: rgba(255, 255, 255, 0.85);
  --glass-shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset, 0 8px 32px rgba(16, 19, 24, 0.10), 0 2px 8px rgba(16, 19, 24, 0.06);

  color-scheme: light;
}

:root[data-theme="dark"] {
  color-scheme: dark;
}