/*
 * Tianyi Software design tokens
 * Philosophy: precision CAM console - clear geometry, restrained surfaces,
 * cyan toolpaths and amber active-operation signals.
 */
:root {
  color-scheme: light;

  --color-bg-primary: #f3f6f7;
  --color-bg-secondary: #ffffff;
  --color-bg-tertiary: #e9eef0;
  --color-bg-inverse: #0b1115;
  --color-bg-inverse-raised: #121d23;
  --color-text-primary: #101820;
  --color-text-secondary: #627078;
  --color-text-tertiary: #89959b;
  --color-text-inverse: #f4f8f9;
  --color-text-inverse-muted: #aab8be;
  --color-text-link: #006f78;
  --color-border-primary: #d8e0e3;
  --color-border-secondary: #e9eef0;
  --color-border-focus: #f4c542;
  --color-accent-primary: #00aebb;
  --color-accent-primary-hover: #008f99;
  --color-accent-primary-active: #00757d;
  --color-accent-secondary: #f4c542;
  --color-accent-secondary-hover: #ffda58;
  --color-status-success: #2a9d68;
  --color-status-warning: #d99b16;
  --color-status-error: #cf3f4f;
  --color-status-info: #2868e8;
  --color-surface-overlay: rgba(5, 10, 13, .76);

  --font-family-display: Bahnschrift, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-family-body: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  --font-family-mono: Consolas, "SFMono-Regular", monospace;
  --font-size-xs: .75rem;
  --font-size-sm: .875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.375rem;
  --font-size-xl: 2rem;
  --font-size-2xl: 2.625rem;
  --font-size-3xl: 3rem;
  --font-size-4xl: 3.625rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 800;
  --line-height-tight: 1.2;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.8;
  --letter-spacing-normal: 0;

  --space-0: 0;
  --space-1: 2px;
  --space-2: 4px;
  --space-3: 6px;
  --space-4: 8px;
  --space-5: 12px;
  --space-6: 16px;
  --space-7: 24px;
  --space-8: 32px;
  --space-9: 48px;
  --space-10: 64px;
  --space-11: 96px;
  --space-12: 128px;

  --max-width-content: 72ch;
  --max-width-wide: 1180px;
  --max-width-page: 1440px;
  --border-radius-sm: 3px;
  --border-radius-md: 6px;
  --border-radius-lg: 8px;
  --border-radius-full: 999px;
  --shadow-sm: 0 8px 24px rgba(10, 24, 33, .08);
  --shadow-md: 0 18px 48px rgba(10, 24, 33, .12);
  --shadow-lg: 0 28px 80px rgba(5, 15, 21, .18);
  --shadow-focus: 0 0 0 3px rgba(244, 197, 66, .38);

  --duration-instant: 50ms;
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
  --duration-slower: 600ms;
  --easing-default: cubic-bezier(.4, 0, .2, 1);
  --easing-in: cubic-bezier(.4, 0, 1, 1);
  --easing-out: cubic-bezier(.22, 1, .36, 1);
  --easing-spring: cubic-bezier(.34, 1.36, .64, 1);

  --breakpoint-sm: 375px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}

[data-theme="dark"] {
  color-scheme: dark;
  --color-bg-primary: #0d1418;
  --color-bg-secondary: #131d22;
  --color-bg-tertiary: #1a272d;
  --color-bg-inverse: #eff5f6;
  --color-bg-inverse-raised: #ffffff;
  --color-text-primary: #edf4f6;
  --color-text-secondary: #a5b2b8;
  --color-text-tertiary: #7f8d94;
  --color-text-inverse: #101820;
  --color-text-inverse-muted: #46545b;
  --color-text-link: #53dbe2;
  --color-border-primary: #29373d;
  --color-border-secondary: #202d33;
  --color-border-focus: #f6cf59;
  --color-accent-primary: #39d7df;
  --color-accent-primary-hover: #63e4ea;
  --color-accent-primary-active: #00aebb;
  --color-accent-secondary: #f6cf59;
  --color-accent-secondary-hover: #ffe27c;
  --color-surface-overlay: rgba(0, 0, 0, .72);
  --shadow-sm: 0 8px 24px rgba(0, 0, 0, .24);
  --shadow-md: 0 18px 48px rgba(0, 0, 0, .32);
  --shadow-lg: 0 28px 80px rgba(0, 0, 0, .42);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --color-bg-primary: #0d1418;
    --color-bg-secondary: #131d22;
    --color-bg-tertiary: #1a272d;
    --color-bg-inverse: #eff5f6;
    --color-bg-inverse-raised: #ffffff;
    --color-text-primary: #edf4f6;
    --color-text-secondary: #a5b2b8;
    --color-text-tertiary: #7f8d94;
    --color-text-inverse: #101820;
    --color-text-inverse-muted: #46545b;
    --color-text-link: #53dbe2;
    --color-border-primary: #29373d;
    --color-border-secondary: #202d33;
    --color-border-focus: #f6cf59;
    --color-accent-primary: #39d7df;
    --color-accent-primary-hover: #63e4ea;
    --color-accent-primary-active: #00aebb;
    --color-accent-secondary: #f6cf59;
    --color-accent-secondary-hover: #ffe27c;
    --color-surface-overlay: rgba(0, 0, 0, .72);
    --shadow-sm: 0 8px 24px rgba(0, 0, 0, .24);
    --shadow-md: 0 18px 48px rgba(0, 0, 0, .32);
    --shadow-lg: 0 28px 80px rgba(0, 0, 0, .42);
  }
}