/* ============================================================
   decor.css · 档案卷 · 自创风格 · 共享装饰库
   适用: index / scroll / category / simulator / dashboard / track
   内容: 字体 + 颜色 + 印章 + 引用框 + 数据卡 + topbar + nav-bar
   ============================================================ */

/* 字体导入 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;700;900&family=Noto+Sans+SC:wght@400;700;900&family=Ma+Shan+Zheng&family=ZCOOL+XiaoWei&family=JetBrains+Mono:wght@400;700;900&display=swap');

:root {
  --ink: #0A0A0A;
  --ink-soft: #2A2A2A;
  --cinnabar: #B23A3A;
  --cinnabar-deep: #8B0000;
  --paper: #F5F1E8;
  --paper-deep: #E8E1D0;
  --gold: #C9A86A;
  --grass: #5BBA47;
  --shadow: 4px 4px 0 var(--ink);
  --shadow-lg: 6px 6px 0 var(--ink);
  --shadow-xl: 8px 8px 0 var(--cinnabar);
}

/* ============ 1. 顶部档案黑带 (统一所有页面) ============ */
.topbar {
  background: var(--ink);
  color: var(--paper);
  padding: 8px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 2px;
  border-bottom: 3px solid var(--cinnabar);
}
.topbar-left { display: flex; gap: 16px; align-items: center; }
.topbar-left .pulse {
  width: 6px; height: 6px; background: var(--cinnabar); border-radius: 50%;
  animation: pulse 1.4s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }
.topbar-right { display: flex; gap: 12px; }
.topbar-right a { color: var(--paper); opacity: 0.7; }
.topbar-right a:hover { opacity: 1; color: var(--cinnabar); }

/* ============ 2. 5 入口 nav-bar (PC 专属,移动端隐藏) ============ */
.nav-bar {
  background: var(--paper);
  border-bottom: 2px solid var(--ink);
  padding: 14px 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  overflow-x: auto;
}
.nav-bar a {
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 3px;
  color: var(--ink);
  position: relative;
  white-space: nowrap;
}
.nav-bar a:not(:last-child)::after {
  content: "▎";
  position: absolute;
  right: -2px;
  color: var(--cinnabar);
  font-weight: 900;
}
.nav-bar a:hover { color: var(--cinnabar); }
.nav-bar a.active { color: var(--cinnabar); }

/* ============ 3. 朱红印章 (新丑风核心) ============ */
.stamp {
  display: inline-block;
  border: 3px solid var(--cinnabar);
  color: var(--cinnabar);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 3px;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.9);
  transform: rotate(-6deg);
  font-family: "JetBrains Mono", monospace;
  text-transform: uppercase;
  white-space: nowrap;
}
.stamp.stamp-m { font-size: 16px; padding: 8px 16px; letter-spacing: 5px; border-width: 4px; }
.stamp.stamp-l { font-size: 22px; padding: 12px 22px; letter-spacing: 7px; border-width: 5px; }
.stamp.stamp-r2 { transform: rotate(8deg); }
.stamp.stamp-r3 { transform: rotate(-12deg); }
.stamp.stamp-ink { border-color: var(--ink); color: var(--ink); }

/* ============ 4. 手写批注 (毛笔字) ============ */
.brush-anno {
  font-family: "Ma Shan Zheng", cursive;
  color: var(--cinnabar);
  font-size: 18px;
  line-height: 1;
}
.brush-anno.brush-ink { color: var(--ink); }
.brush-anno.brush-s { font-size: 14px; }
.brush-anno.brush-l { font-size: 24px; }

/* ============ 5. 引用框 (米色 + 红左 border) ============ */
.quote-box {
  background: var(--paper-deep);
  border-left: 4px solid var(--cinnabar);
  padding: 18px 24px;
  font-size: 15px;
  line-height: 2.2;
  color: var(--ink);
  position: relative;
  text-align: left;
}
.quote-box::before {
  content: "❝";
  position: absolute;
  top: -4px; left: 6px;
  font-size: 36px;
  color: var(--cinnabar);
  font-family: "Noto Serif SC", serif;
}
.quote-box .red { color: var(--cinnabar); font-weight: 700; }
.quote-box .mono {
  font-family: "JetBrains Mono", monospace;
  font-weight: 900;
  color: var(--cinnabar);
}

/* ============ 6. 红色印章按钮 ============ */
.btn-stamp {
  display: inline-block;
  background: var(--cinnabar);
  color: var(--paper);
  padding: 6px 14px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 3px;
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  cursor: pointer;
}

/* ============ 7. 数据卡 (白/黑/红 3 色) ============ */
.data-card {
  background: var(--paper);
  border: 3px solid var(--ink);
  padding: 16px 14px;
  position: relative;
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform 0.15s, box-shadow 0.15s;
}
.data-card:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--cinnabar); }
.data-card.dark { background: var(--ink); color: var(--paper); }
.data-card.red { background: var(--cinnabar); color: var(--paper); }
.data-card.ink { background: var(--ink); color: var(--paper); }
.data-card .label {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 2px;
  opacity: 0.7;
  margin-bottom: 6px;
}
.data-card .value {
  font-family: "JetBrains Mono", monospace;
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -1px;
  line-height: 1;
}
.data-card .value .unit { font-size: 12px; margin-left: 4px; opacity: 0.8; }
.data-card .sub { font-size: 11px; margin-top: 4px; opacity: 0.8; letter-spacing: 1px; }

/* ============ 8. 入口行 (列表按钮) ============ */
.entry-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  transition: all 0.15s;
  cursor: pointer;
  position: relative;
  color: var(--ink);
}
.entry-row:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--cinnabar);
}
.entry-row .num {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 900;
  color: var(--cinnabar);
  letter-spacing: 2px;
  min-width: 30px;
}
.entry-row .icon { font-size: 20px; }
.entry-row .name { font-size: 14px; font-weight: 900; letter-spacing: 2px; flex: 1; }
.entry-row .en { font-family: "JetBrains Mono", monospace; font-size: 10px; opacity: 0.5; letter-spacing: 1.5px; }
.entry-row .arrow { color: var(--ink); font-weight: 900; font-size: 16px; }
.entry-row:hover .arrow { color: var(--cinnabar); }

/* ============ 9. 签名 (楷体) ============ */
.signature {
  font-family: "Ma Shan Zheng", cursive;
  font-size: 16px;
  color: var(--ink-soft);
  text-align: right;
  margin-top: 12px;
}

/* ============ 10. Footer 统一 ============ */
.site-footer {
  border-top: 2px solid var(--ink);
  padding: 20px;
  text-align: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--ink-soft);
  line-height: 1.8;
  margin-top: 48px;
}
.site-footer a { color: var(--cinnabar); text-decoration: underline; }
.site-footer .anno-foot {
  font-family: "Ma Shan Zheng", cursive;
  font-size: 18px;
  color: var(--cinnabar);
  margin-top: 8px;
  display: block;
}

/* ============ 11. 案例卡 (scroll 用) ============ */
.case-card {
  background: var(--paper);
  border: 3px solid var(--ink);
  padding: 16px;
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform 0.15s, box-shadow 0.15s;
  color: var(--ink);
  display: block;
}
.case-card:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--cinnabar); }
.case-card.dark { background: var(--ink); color: var(--paper); }
.case-card .case-name {
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 2px;
  margin-bottom: 4px;
}
.case-card .case-meta {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 1.5px;
  opacity: 0.7;
  margin-bottom: 8px;
}
.case-card .case-desc {
  font-size: 12px;
  line-height: 1.6;
  opacity: 0.85;
  margin-bottom: 8px;
}
.case-card .case-funding {
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  font-weight: 900;
  color: var(--cinnabar);
  letter-spacing: 1px;
}
.case-card.dark .case-funding { color: var(--cinnabar); }

/* ============ 12. 题目卡 (simulator 用) ============ */
.question-card {
  background: var(--paper);
  border: 3px solid var(--ink);
  padding: 32px;
  box-shadow: 6px 6px 0 var(--ink);
  position: relative;
}
.question-card .q-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 900;
  color: var(--cinnabar);
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.question-card .q-text {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 2px;
  margin-bottom: 20px;
  line-height: 1.4;
}
.option {
  display: block;
  width: 100%;
  text-align: left;
  padding: 14px 18px;
  margin-bottom: 8px;
  border: 2px solid var(--ink);
  background: var(--paper);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1.5px;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}
.option:hover { background: var(--ink); color: var(--paper); }
.option.selected { background: var(--cinnabar); color: var(--paper); border-color: var(--ink); }

/* ============ 13. 步骤条 (simulator 用) ============ */
.steps-bar {
  display: flex;
  justify-content: space-between;
  margin: 24px 0;
  padding: 0 8px;
}
.step-dot {
  width: 36px; height: 36px;
  background: var(--paper);
  border: 3px solid var(--ink);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  font-weight: 900;
}
.step-dot.active { background: var(--cinnabar); color: var(--paper); }
.step-dot.done { background: var(--ink); color: var(--paper); }

/* ============ 14. 报告卡 (simulator 输出) ============ */
.report-card {
  background: var(--paper);
  border: 4px solid var(--ink);
  padding: 32px;
  box-shadow: 8px 8px 0 var(--cinnabar);
  position: relative;
}
.report-card .report-stamp {
  position: absolute;
  top: 20px;
  right: 20px;
}

/* ============ 15. 网格纸背景 (dashboard 用) ============ */
body.paper-grid {
  background-image: linear-gradient(90deg, rgba(178, 58, 58, 0.02) 1px, transparent 1px);
  background-size: 80px 100%;
}
@media (max-width: 768px) {
  body.paper-grid { background-size: 40px 100%; }
}

/* ============ 16. 移动端适配 (统一) ============ */
@media (max-width: 768px) {
  .topbar { padding: 6px 12px; font-size: 11px; letter-spacing: 1.5px; }
  .topbar-left { gap: 8px; }
  .topbar-right { display: none; }
  .nav-bar { display: none; }
  .quote-box { padding: 16px 18px; font-size: 14px; line-height: 2; }
  .data-card { padding: 12px 10px; box-shadow: 3px 3px 0 var(--ink); }
  .data-card .value { font-size: 22px; }
  .data-card .label { font-size: 9px; }
  .entry-row { padding: 10px 12px; }
  .entry-row .name { font-size: 13px; letter-spacing: 1.5px; }
  .entry-row .en { display: none; }
  .stamp.stamp-l { font-size: 18px; padding: 8px 16px; }
}

/* ============ 移动端底部 4 tab (所有页) ============ */
.bottom-tab {
  display: none;
}
@media (max-width: 768px) {
  .bottom-tab {
    display: flex;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    background: var(--ink);
    border-top: 3px solid var(--cinnabar);
    z-index: 200;
    box-shadow: 0 -2px 0 var(--cinnabar);
  }
  .bottom-tab a {
    flex: 1;
    padding: 8px 4px 6px;
    color: var(--paper);
    text-decoration: none;
    text-align: center;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    border-right: 1px solid var(--cinnabar);
  }
  .bottom-tab a:last-child { border-right: none; }
  .bottom-tab a.active {
    background: var(--cinnabar);
    color: var(--paper);
  }
  .bottom-tab a .icon { font-size: 18px; line-height: 1; }
  /* 移动端 footer 加 padding-bottom 给底 tab */
  .site-footer { padding-bottom: 60px; }
}