/**
 * kimiliang.cn — 液态玻璃门户 Design Tokens
 * Variant A · 晨雾清透 v0.1
 * 浅冷灰白底 + 淡青/淡紫雾；玻璃白半透明；深字；teal/cyan 交互
 */

:root {
  /* ── 背景 / Ambient ── */
  --bg-base: #F0F4F8;
  --bg-gradient:
    radial-gradient(ellipse 90% 70% at 8% 15%, rgba(125, 211, 252, 0.45) 0%, transparent 55%),
    radial-gradient(ellipse 80% 60% at 92% 8%, rgba(196, 181, 253, 0.4) 0%, transparent 50%),
    radial-gradient(ellipse 70% 65% at 78% 88%, rgba(167, 243, 208, 0.35) 0%, transparent 55%),
    radial-gradient(ellipse 55% 45% at 18% 90%, rgba(165, 180, 252, 0.28) 0%, transparent 50%),
    radial-gradient(ellipse 40% 35% at 50% 45%, rgba(186, 230, 253, 0.25) 0%, transparent 60%),
    linear-gradient(168deg, #F0F4F8 0%, #E8EEF5 42%, #E4ECF4 100%);

  /* ── 漂浮 Orb（浅色半透明，比暗底弱） ── */
  --orb-violet: rgba(167, 139, 250, 0.32);
  --orb-cyan: rgba(34, 211, 238, 0.28);
  --orb-teal: rgba(45, 212, 191, 0.24);
  --orb-magenta: rgba(232, 121, 249, 0.2);
  --orb-blur: 90px;

  /* ── 玻璃面 ── */
  --glass-fill: rgba(255, 255, 255, 0.52);
  --glass-fill-strong: rgba(255, 255, 255, 0.65);
  --glass-fill-soft: rgba(255, 255, 255, 0.4);
  --glass-fill-hover: rgba(255, 255, 255, 0.78);
  --glass-border: rgba(255, 255, 255, 0.72);
  --glass-border-strong: rgba(255, 255, 255, 0.9);
  --glass-border-inner: rgba(148, 163, 184, 0.22);
  --glass-highlight: linear-gradient(
    125deg,
    rgba(255, 255, 255, 0.85) 0%,
    rgba(255, 255, 255, 0.35) 28%,
    rgba(125, 211, 252, 0.12) 55%,
    transparent 75%
  );
  --glass-highlight-edge: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.95) 0%,
    transparent 40%
  );
  --glass-blur: 28px;
  --glass-blur-lg: 40px;
  --glass-blur-xl: 56px;
  --glass-blur-sm: 16px;
  --glass-saturate: 1.45;
  --glass-shadow: 0 12px 40px rgba(15, 23, 42, 0.08), 0 4px 12px rgba(15, 23, 42, 0.04), 0 0 0 1px rgba(255, 255, 255, 0.5);
  --glass-shadow-lg: 0 24px 64px rgba(15, 23, 42, 0.1), 0 8px 20px rgba(15, 23, 42, 0.05), 0 0 40px rgba(125, 211, 252, 0.12);
  --glass-shadow-hero: 0 32px 80px rgba(15, 23, 42, 0.1), 0 0 60px rgba(34, 211, 238, 0.1);
  --glass-inset: inset 0 1px 0 rgba(255, 255, 255, 0.9), inset 0 -1px 0 rgba(148, 163, 184, 0.08), inset 1px 0 0 rgba(255, 255, 255, 0.5);

  /* ── 文字 ── */
  --text-primary: #0F172A;
  --text-secondary: rgba(51, 65, 85, 0.78);
  --text-muted: rgba(100, 116, 139, 0.85);
  --text-inverse: #f8fafc;
  --text-accent: #0891B2;
  --text-violet: #7C3AED;

  /* ── 强调 ── */
  --accent-teal: #14B8A6;
  --accent-teal-bright: #0D9488;
  --accent-teal-dim: rgba(20, 184, 166, 0.16);
  --accent-teal-glow: rgba(20, 184, 166, 0.35);
  --accent-cyan: #06B6D4;
  --accent-cyan-bright: #0891B2;
  --accent-cyan-glow: rgba(6, 182, 212, 0.35);
  --accent-violet: #8B5CF6;
  --accent-violet-bright: #7C3AED;
  --accent-violet-dim: rgba(139, 92, 246, 0.14);
  --accent-violet-glow: rgba(139, 92, 246, 0.3);
  --accent-magenta: #C026D3;

  /* ── 语义 ── */
  --success: #059669;
  --success-dim: rgba(5, 150, 105, 0.12);
  --danger: #DC2626;
  --danger-dim: rgba(220, 38, 38, 0.12);
  --warning: #D97706;
  --coming-soon: rgba(192, 38, 211, 0.85);

  /* ── 圆角 ── */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-2xl: 40px;
  --radius-pill: 999px;

  /* ── 间距 ── */
  --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;
  --gap-cards: 20px;
  --pad-card: 24px;
  --pad-card-sm: 16px;
  --pad-hero: 48px;

  /* ── 字号 ── */
  --font-sans: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Cascadia Code", ui-monospace, monospace;
  --fs-xs: 11px;
  --fs-sm: 12px;
  --fs-base: 14px;
  --fs-md: 15px;
  --fs-lg: 17px;
  --fs-xl: 20px;
  --fs-2xl: 26px;
  --fs-3xl: 36px;
  --fs-4xl: 48px;
  --fs-hero: clamp(36px, 5.5vw, 56px);
  --lh-tight: 1.2;
  --lh-normal: 1.5;
  --lh-loose: 1.65;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  /* ── 按钮 ── */
  --btn-primary-bg: linear-gradient(135deg, #22d3ee 0%, #14b8a6 55%, #0d9488 100%);
  --btn-primary-text: #042f2e;
  --btn-primary-shadow: 0 6px 28px rgba(6, 182, 212, 0.35), 0 0 40px rgba(20, 184, 166, 0.18);
  --btn-secondary-bg: rgba(255, 255, 255, 0.55);
  --btn-secondary-border: rgba(148, 163, 184, 0.35);
  --btn-secondary-text: var(--text-primary);
  --btn-violet-bg: linear-gradient(135deg, #a78bfa 0%, #8b5cf6 100%);
  --btn-violet-text: #1e1035;
  --btn-height: 48px;
  --btn-height-sm: 36px;

  /* ── 布局 ── */
  --shell-max: 1120px;
  --topbar-height: 64px;
  --transition-fast: 160ms ease;
  --transition-base: 280ms cubic-bezier(0.22, 1, 0.36, 1);
  --transition-slow: 480ms cubic-bezier(0.22, 1, 0.36, 1);

  /* ── 动效 ── */
  --orb-duration: 22s;
  --pulse-duration: 4.5s;
  --float-duration: 8s;

  /* ── 亮底专属 ── */
  --vignette: radial-gradient(ellipse 80% 70% at 50% 40%, transparent 45%, rgba(226, 232, 240, 0.55) 100%);
  --title-gradient: linear-gradient(120deg, #0F172A 0%, #0891B2 40%, #7C3AED 75%, #0F172A 100%);
  --hero-glow: rgba(6, 182, 212, 0.22);
  --badge-bg: linear-gradient(135deg, rgba(6, 182, 212, 0.14), rgba(139, 92, 246, 0.12));
  --badge-border: rgba(6, 182, 212, 0.35);
  --glass-fallback: rgba(240, 244, 248, 0.96);
  --glass-fallback-strong: rgba(255, 255, 255, 0.97);
  --glass-fallback-soft: rgba(232, 238, 245, 0.94);
  --glass-fallback-hero: rgba(248, 250, 252, 0.96);
  --icon-border: rgba(148, 163, 184, 0.28);
  --icon-shadow: inset 0 1px 0 rgba(255,255,255,0.8), 0 4px 12px rgba(15,23,42,0.06);
  --arrow-bg: rgba(15, 23, 42, 0.04);
  --arrow-border: rgba(148, 163, 184, 0.3);
  --card-hover-glow: 0 0 40px rgba(6, 182, 212, 0.12);
  --brand-mark-bg: linear-gradient(135deg, rgba(6, 182, 212, 0.28), rgba(139, 92, 246, 0.3));
  --brand-mark-border: rgba(255, 255, 255, 0.7);
  --brand-mark-shadow: inset 0 1px 0 rgba(255,255,255,0.7), 0 0 18px rgba(6, 182, 212, 0.2);
  --kicker-border: rgba(139, 92, 246, 0.28);
  --soon-badge-bg: rgba(192, 38, 211, 0.1);
  --soon-badge-border: rgba(192, 38, 211, 0.28);
  --muted-badge-bg: rgba(148, 163, 184, 0.12);
  --muted-badge-border: rgba(148, 163, 184, 0.28);
  --live-badge-border: rgba(20, 184, 166, 0.35);
  --cta-hover-shadow: 0 10px 36px rgba(6, 182, 212, 0.4), 0 0 50px rgba(20, 184, 166, 0.2);
  --variant-label: "A · 晨雾清透";
}

.glass {
  background: var(--glass-fill);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow), var(--glass-inset);
}

.glass-strong {
  background: var(--glass-fill-strong);
  backdrop-filter: blur(var(--glass-blur-lg)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur-lg)) saturate(var(--glass-saturate));
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow-lg), var(--glass-inset);
}

.glass-soft {
  background: var(--glass-fill-soft);
  backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate));
  border: 1px solid var(--glass-border-inner);
  border-radius: var(--radius-md);
  box-shadow: var(--glass-inset);
}

.glass-hero {
  background: var(--glass-fill);
  backdrop-filter: blur(var(--glass-blur-xl)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur-xl)) saturate(var(--glass-saturate));
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-2xl);
  box-shadow: var(--glass-shadow-hero), var(--glass-inset);
}

@media (max-width: 768px), (prefers-reduced-transparency: reduce) {
  .glass,
  .glass-strong,
  .glass-soft,
  .glass-hero {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
  .glass { background: var(--glass-fallback); }
  .glass-strong { background: var(--glass-fallback-strong); }
  .glass-soft { background: var(--glass-fallback-soft); }
  .glass-hero { background: var(--glass-fallback-hero); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
  .orb, .orb-pulse, .hero-glow {
    animation: none !important;
  }
}