/* 桃子公司 · Editorial Peach 风 · v0.3 */

:root {
  /* 颜色 */
  --paper: #f4ede0;
  --paper-light: #faf6ee;
  --paper-dark: #e8dcc3;
  --peach: #d16a4e;
  --peach-light: #e68a70;
  --peach-dark: #b05234;
  --sage: #9aa889;
  --sage-light: #b5c0a4;
  --sage-dark: #7a8868;
  --ink: #2c2c2c;
  --ink-soft: #555;
  --ink-faint: #888;

  /* 间距 */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-2xl: 32px;
  --space-3xl: 48px;
  --space-4xl: 64px;

  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;

  /* 字体 */
  --font-serif: 'Instrument Serif', 'Noto Serif SC', Georgia, serif;
  --font-sans: 'Inter', -apple-system, 'PingFang SC', sans-serif;
  --font-hand: 'Caveat', cursive;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
  /* 纸质噪点 */
  background-image:
    radial-gradient(circle at 20% 30%, rgba(209, 106, 78, 0.03) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(154, 168, 137, 0.04) 0%, transparent 50%);
}

/* 排版 */
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 600; line-height: 1.2; }
h1 { font-size: clamp(48px, 8vw, 96px); }
h2 { font-size: clamp(32px, 5vw, 56px); }
h3 { font-size: clamp(24px, 3vw, 36px); }
h4 { font-size: 20px; }
.hand { font-family: var(--font-hand); color: var(--peach); font-size: 1.3em; }

/* 容器 */
.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-xl); }
.wide { max-width: 1400px; }

/* 导航 */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(244, 237, 224, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--paper-dark);
  padding: var(--space-md) 0;
}
.nav-content { display: flex; justify-content: space-between; align-items: center; }
.nav-logo { font-family: var(--font-serif); font-size: 24px; color: var(--ink); text-decoration: none; }
.nav-logo .emoji { margin-right: var(--space-sm); }
.nav-links { display: flex; gap: var(--space-xl); align-items: center; }
.nav-link { color: var(--ink-soft); text-decoration: none; font-size: 14px; transition: color 0.2s; }
.nav-link:hover { color: var(--peach); }
.nav-link.active { color: var(--peach); font-weight: 600; }

/* 风格切换器 */
.theme-switcher {
  display: flex; gap: var(--space-xs);
  padding: var(--space-xs);
  background: var(--paper-light);
  border-radius: var(--radius-md);
  border: 1px solid var(--paper-dark);
}
.theme-btn {
  padding: 4px 10px; font-size: 12px;
  background: transparent; border: none; border-radius: var(--radius-sm);
  cursor: pointer; color: var(--ink-soft);
  transition: all 0.2s;
}
.theme-btn.active { background: var(--peach); color: white; }
.theme-btn:hover:not(.active) { background: var(--paper-dark); }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-sm);
  padding: 12px 28px;
  font-family: var(--font-sans); font-size: 15px; font-weight: 500;
  border: none; border-radius: var(--radius-md);
  cursor: pointer; text-decoration: none;
  transition: all 0.2s;
}
.btn-primary {
  background: var(--peach); color: white;
  box-shadow: 0 4px 12px rgba(209, 106, 78, 0.3);
}
.btn-primary:hover { background: var(--peach-dark); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(209, 106, 78, 0.4); }
.btn-secondary {
  background: transparent; color: var(--ink); border: 2px solid var(--ink);
}
.btn-secondary:hover { background: var(--ink); color: var(--paper); }

/* 卡片 */
.card {
  background: var(--paper-light);
  border: 1px solid var(--paper-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all 0.3s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 24px rgba(0,0,0,0.08); }

/* Grid */
.grid { display: grid; gap: var(--space-xl); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

/* Section */
section { padding: var(--space-4xl) 0; }
.section-title { margin-bottom: var(--space-xl); }
.section-subtitle { color: var(--ink-soft); margin-bottom: var(--space-2xl); font-size: 18px; }

/* 入场动画 */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp 0.6s ease-out forwards; opacity: 0; }
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }

/* 手绘 squiggle 装饰 */
.squiggle::before {
  content: '';
  display: block;
  width: 60px; height: 20px;
  margin-bottom: var(--space-md);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 20'%3E%3Cpath d='M 2 10 Q 10 2 20 10 T 40 10 T 58 10' stroke='%23d16a4e' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
}

/* 办公室专用 */
.office {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  aspect-ratio: 16 / 10;
  background: var(--paper-light);
  border: 3px solid var(--ink);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.office-floor {
  position: absolute;
  background: var(--paper);
  border: 2px solid var(--ink-soft);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.room-label { font-family: var(--font-serif); font-size: 14px; color: var(--ink-faint); margin-bottom: var(--space-sm); }

/* 数字小人 */
.agent {
  position: relative;
  width: 80px; height: 80px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: transform 0.3s;
}
.agent:hover { transform: scale(1.1); }
.agent-avatar { width: 56px; height: 56px; display: block; }
.agent-name { position: absolute; bottom: -20px; font-size: 11px; white-space: nowrap; color: var(--ink-soft); }

.agent-working { animation: work 1s infinite; }
@keyframes work {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.agent-bubble {
  position: absolute;
  top: -40px;
  padding: 6px 12px;
  background: white;
  border: 2px solid var(--peach);
  border-radius: var(--radius-md);
  font-size: 11px;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.3s;
}
.agent.show-bubble .agent-bubble { opacity: 1; }

/* 文件飞行 */
.flying-doc {
  position: absolute;
  width: 24px; height: 30px;
  background: white;
  border: 2px solid var(--ink);
  border-radius: 3px;
  z-index: 10;
  transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
}
.flying-doc::before {
  content: '📄';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 14px;
}

/* 流水线进度条 */
.pipeline-bar {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  width: 90%; max-width: 800px;
  padding: var(--space-md) var(--space-xl);
  background: white;
  border: 2px solid var(--ink);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  z-index: 50;
}

.pipeline-scene-label { font-family: var(--font-hand); font-size: 18px; color: var(--peach); }
.pipeline-timer { font-family: var(--font-sans); font-size: 14px; color: var(--ink-faint); margin-left: auto; }

.pipeline-progress {
  height: 4px;
  background: var(--paper-dark);
  border-radius: 2px;
  overflow: hidden;
  margin-top: var(--space-sm);
}
.pipeline-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--peach), var(--sage));
  width: 0%;
  transition: width 0.3s linear;
}

.pipeline-controls { display: flex; gap: var(--space-sm); align-items: center; margin-top: var(--space-sm); }
.pipeline-btn {
  padding: 4px 12px; font-size: 12px;
  background: var(--paper); border: 1px solid var(--ink); border-radius: var(--radius-sm);
  cursor: pointer;
}
.pipeline-btn:hover { background: var(--ink); color: var(--paper); }
.pipeline-btn.active { background: var(--peach); color: white; border-color: var(--peach); }

/* 主题切换 · Linear 风 */
body.theme-linear {
  --paper: #0D0D0D;
  --paper-light: #1A1A1A;
  --paper-dark: #2A2A2A;
  --peach: #5E6AD2;
  --peach-light: #7B84D8;
  --peach-dark: #4A55A8;
  --sage: #10B981;
  --ink: #FAFAFA;
  --ink-soft: #AAAAAA;
  --ink-faint: #666666;
  --font-serif: 'Inter', sans-serif;
}

/* 主题 · Airbnb 风 */
body.theme-airbnb {
  --paper: #ffffff;
  --paper-light: #f7f7f7;
  --paper-dark: #ebebeb;
  --peach: #FF385C;
  --peach-dark: #D70E50;
  --sage: #00A699;
  --ink: #222222;
  --ink-soft: #6a6a6a;
  --font-serif: 'Airbnb Cereal', 'Inter', sans-serif;
}

/* 主题 · Pinterest 风 */
body.theme-pinterest {
  --paper: #FFFFFF;
  --paper-light: #fef6ef;
  --paper-dark: #efe8df;
  --peach: #E60023;
  --peach-dark: #b40019;
  --sage: #0fa573;
  --ink: #111111;
  --ink-soft: #767676;
}

/* 主题 · Stripe 风 */
body.theme-stripe {
  --paper: #F6F9FC;
  --paper-light: #FFFFFF;
  --paper-dark: #E3E8EE;
  --peach: #635BFF;
  --peach-dark: #4A42FF;
  --sage: #00D924;
  --ink: #0A2540;
  --ink-soft: #425466;
  --font-serif: 'Inter', sans-serif;
}

/* 响应式 */
@media (max-width: 768px) {
  .nav-links { gap: var(--space-md); }
  section { padding: var(--space-2xl) 0; }
  .office { aspect-ratio: 3 / 4; }
}