/* Hallmark · tokens · 赛考校队首页
 * 自定义主题：蓝图纸（冷白 / 海军蓝 / 电光蓝 / 冰蓝）
 * 1380 内容宽度 · 所有颜色、字体、间距、圆角、动效时长都从这里取。
 */
:root {
  /* ---- Paper & ink ---- */
  --color-paper: oklch(97.6% 0.008 245);
  --color-paper-2: oklch(94.4% 0.017 240);
  --color-paper-3: oklch(89.6% 0.028 238);
  --color-ink: oklch(20% 0.045 260);
  --color-ink-2: oklch(36% 0.045 258);
  --color-ink-3: oklch(49% 0.035 252);
  --color-rule: oklch(84% 0.025 245);
  --color-rule-strong: oklch(67% 0.045 250);
  --color-rule-ink: oklch(95.5% 0.018 240 / 0.18);
  --color-ink-wash: oklch(20% 0.045 260 / 0.07);
  --color-ink-wash-strong: oklch(20% 0.045 260 / 0.13);
  --color-paper-wash: oklch(95.5% 0.018 240 / 0.24);

  /* ---- Blue system ---- */
  --color-navy: oklch(16.5% 0.052 260);
  --color-navy-2: oklch(20.5% 0.055 258);
  --color-ice: oklch(95.5% 0.018 240);
  --color-ice-2: oklch(82% 0.035 240);
  --color-ice-3: oklch(69% 0.04 245);
  --color-accent: oklch(52% 0.2 260);
  --color-accent-deep: oklch(42% 0.19 260);
  --color-accent-soft: oklch(90% 0.055 250);
  --color-accent-ink: oklch(97.6% 0.008 245);
  --color-electric: oklch(62% 0.21 255);
  --color-sky: oklch(78% 0.1 225);
  --color-focus: oklch(55% 0.22 260);
  --color-grid: oklch(95.5% 0.018 240 / 0.065);

  /* ---- Status ---- */
  --color-danger: oklch(50% 0.18 25);
  --color-danger-soft: oklch(94% 0.03 25);

  /* ---- 作品示意：只用蓝、青、白、深海军蓝 ---- */
  --color-stage-sky: oklch(88% 0.045 235);
  --color-stage-sky-2: oklch(80% 0.07 238);
  --color-stage-cloud: oklch(97% 0.01 235);
  --color-stage-hill: oklch(70% 0.09 245);
  --color-stage-hill-2: oklch(55% 0.11 255);
  --color-stage-ground: oklch(86% 0.035 230);
  --color-robot-body: oklch(88% 0.05 235);
  --color-robot-face: oklch(30% 0.07 260);
  --color-robot-dark: oklch(25% 0.05 260);
  --color-robot-light: oklch(98% 0.006 240);
  --color-robot-accent: oklch(60% 0.2 255);
  --color-block-motion: oklch(59% 0.2 255);
  --color-block-motion-ink: oklch(98% 0.006 240);
  --color-block-event: oklch(72% 0.12 235);
  --color-block-event-ink: oklch(20% 0.045 260);
  --color-block-control: oklch(45% 0.16 270);
  --color-block-control-ink: oklch(98% 0.006 240);

  /* ---- Fonts ---- */
  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", STSong, SimSun, serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-mono: "Cascadia Mono", "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

  /* ---- 4pt spacing scale ---- */
  --space-3xs: 0.125rem;
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 9rem;

  /* ---- Type scale ---- */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1.125rem;
  --text-lg: 1.375rem;
  --text-xl: 1.75rem;
  --text-2xl: 2.25rem;
  --text-3xl: 3rem;
  --text-display: clamp(2.6rem, 4vw + 1rem, 4.5rem);
  --text-display-s: clamp(2rem, 3vw + 1rem, 3rem);
  --text-section: clamp(1.875rem, 2vw + 1rem, 2.5rem);

  /* ---- Radii / rules / layout ---- */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-round: 999px;
  --rule-hair: 1px;
  --rule-heavy: 2px;
  --page-max: 1380px;
  --page-gutter: clamp(1.25rem, 3.5vw, 4rem);

  /* ---- Motion ---- */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-micro: 120ms;
  --dur-short: 220ms;
  --dur-long: 420ms;

  /* ---- Depth / z ---- */
  --shadow-offset: 8px 8px 0 var(--color-paper-3);
  --shadow-offset-small: 5px 5px 0 var(--color-paper-3);
  --shadow-login: 10px 10px 0 var(--color-electric);
  --z-base: 1;
  --z-raised: 10;
  --z-sticky: 200;
  --z-modal: 400;
  --z-toast: 500;
}