/* Datasheet — design tokens (Tastefolio). Engineering catalog: white paper, graphite ink, one signal red,
   hairline grids, mono part numbers and seven-segment readouts. Persian-first. */
:root {
  --canvas: #ffffff;
  --surface: #ffffff;
  --surface-2: #f6f7f8;
  --surface-3: #eceef0;
  --surface-ink: #15171a;
  --overlay: rgba(21, 23, 26, .5);

  --ink: #15171a;
  --ink-2: #4f555c;
  --ink-3: #8b9198;
  --ink-inverse: #ffffff;

  --line: #e3e5e8;
  --line-2: #cdd1d6;
  --grid: rgba(21, 23, 26, .045);       /* blueprint grid on hero and empty areas */

  --brand: #d7263d;                     /* signal red: action, active, alerts of attention */
  --brand-ink: #ffffff;
  --brand-soft: color-mix(in oklab, var(--brand) 9%, #fff);
  --brand-strong: color-mix(in oklab, var(--brand) 80%, #000);
  --focus: color-mix(in oklab, var(--brand) 40%, transparent);

  --success: #1a9f53;                   /* "in stock" LED */
  --success-soft: #e6f6ec;
  --warning: #cc8a00;
  --warning-soft: #fcf3dd;
  --danger: #c0262d;
  --danger-soft: #fbe7e8;
  --info: #2563c9;
  --info-soft: #e7eefb;

  --chart-1: var(--brand);
  --chart-2: var(--surface-ink);
  --chart-3: #8b9198;
  --chart-4: #2563c9;
  --chart-5: #1a9f53;
  --chart-6: #cc8a00;
  --chart-grid: #eef0f2;
  --chart-axis: var(--ink-3);
  --chart-curve: step;
  --chart-stroke: 2;
  --chart-area: .08;
  --chart-radius: 1;
  --chart-bar-gap: .35;
  --chart-donut: 14;
  --chart-dots: 1;

  --font-sans: "Barlow", "Vazirmatn", system-ui, -apple-system, sans-serif;
  --font-display: "Barlow Condensed", "Barlow", "Vazirmatn", sans-serif;
  --font-mono: "Roboto Mono", "Vazirmatn", ui-monospace, Menlo, monospace;
  --font-readout: "DSEG7 Classic", "Roboto Mono", "Vazirmatn", monospace;
  --fs-xs: 11.5px;
  --fs-sm: 13px;
  --fs-md: 14.5px;
  --fs-lg: 16px;
  --fs-xl: 20px;
  --fs-2xl: 28px;
  --fs-3xl: 40px;
  --fs-display: clamp(34px, 5vw, 64px);
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-bold: 600;
  --fw-display: 700;
  --lh-tight: 1.05;
  --lh-snug: 1.3;
  --lh-body: 1.55;
  --tracking-display: -.01em;
  --tracking-caps: .1em;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 48px;
  --space-9: 64px;
  --space-10: 88px;
  --radius-sm: 3px;
  --radius-md: 5px;
  --radius-lg: 8px;
  --radius-pill: 999px;
  --border-w: 1px;
  --shadow-1: 0 1px 0 rgba(21, 23, 26, .04);
  --shadow-2: 0 12px 28px -12px rgba(21, 23, 26, .22);
  --shadow-3: 0 24px 60px -20px rgba(21, 23, 26, .35);

  --container: 1320px;
  --gutter: clamp(14px, 3vw, 28px);
  --control-h: 36px;
  --control-h-lg: 46px;
  --row-h: 48px;
  --filters-w: 260px;

  --ease: cubic-bezier(.3, .7, .3, 1);
  --dur-1: 100ms;
  --dur-2: 180ms;
  --dur-3: 280ms;
  color-scheme: light;
}

[data-theme="dark"] {
  --canvas: #101214;
  --surface: #16191c;
  --surface-2: #1b1f23;
  --surface-3: #232830;
  --surface-ink: #e9ecef;
  --ink: #e9ecef;
  --ink-2: #a8afb7;
  --ink-3: #6d757e;
  --ink-inverse: #101214;
  --line: #262b31;
  --line-2: #343a42;
  --grid: rgba(255, 255, 255, .04);
  --brand: #ff4d5e;
  --brand-soft: color-mix(in oklab, var(--brand) 16%, var(--surface));
  --brand-strong: color-mix(in oklab, var(--brand) 80%, #fff);
  --success-soft: #11291b; --warning-soft: #2b230f; --danger-soft: #2f1517; --info-soft: #14213a;
  --chart-grid: #232830;
  color-scheme: dark;
}

:root:lang(fa) {
  --font-sans: "Vazirmatn", "Barlow", Tahoma, sans-serif;
  --font-display: "Vazirmatn", "Barlow Condensed", sans-serif;
  --fs-md: 14px;
  --lh-tight: 1.45;
  --lh-snug: 1.55;
  --lh-body: 1.9;
  --tracking-display: 0;
  --tracking-caps: 0;
  --fs-display: clamp(28px, 4vw, 50px);
}