/* ==========================================================================
   更多详情页专用样式 (details.css)
   Linear Docs / Stripe Engineering 风格技术档案
   严禁使用 Emoji · 极简灰阶 · 精密表格与架构框图
   ========================================================================== */

/* 顶部 Header */
.doc-header {
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--border-subtle);
}

.doc-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  margin-bottom: 16px;
}

.doc-breadcrumb a {
  color: var(--text-secondary);
}

.doc-breadcrumb a:hover {
  color: var(--text-white);
}

.doc-title {
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-white);
  margin-bottom: 12px;
}

.doc-lead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 680px;
  line-height: 1.6;
}

/* 粘性子导航条 (Sticky Subnav) */
.doc-subnav {
  position: sticky;
  top: var(--header-height);
  z-index: 90;
  background-color: rgba(15, 18, 19, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 10px 0;
  overflow-x: auto;
  white-space: nowrap;
}

.subnav-links {
  display: flex;
  gap: 20px;
}

.subnav-item {
  font-size: 0.82rem;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  padding: 4px 8px;
  border-radius: var(--radius-xs);
  transition: all var(--duration-fast);
}

.subnav-item:hover,
.subnav-item.active {
  color: var(--text-white);
  background-color: var(--bg-surface-elevated);
}

/* 内容板块 */
.doc-section {
  padding: 60px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.doc-section:last-of-type {
  border-bottom: none;
}

.doc-sec-header {
  margin-bottom: 32px;
}

.doc-sec-num {
  font-size: 0.76rem;
  font-family: var(--font-mono);
  color: var(--brand-orange);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.doc-sec-title {
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-white);
  margin-bottom: 10px;
}

.doc-sec-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   精细技术路线流程 (Roadmap Flow)
   -------------------------------------------------------------------------- */
.flow-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 820px;
  margin-top: 24px;
}

.flow-step {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: border-color var(--duration-fast);
}

.flow-step:hover {
  border-color: var(--border-hover);
}

.flow-step-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.flow-idx {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-tertiary);
  width: 24px;
}

.flow-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: 2px;
}

.flow-info p {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.flow-tag {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--brand-orange);
  background-color: var(--brand-orange-dim);
  border: 1px solid var(--brand-orange-border);
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   依赖表格与架构图 (Dependencies & Architecture)
   -------------------------------------------------------------------------- */
.tech-spec-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border-default);
  background-color: var(--bg-surface);
  border-radius: var(--radius-sm);
  overflow: hidden;
  font-size: 0.86rem;
  margin-top: 20px;
}

.tech-spec-table th,
.tech-spec-table td {
  padding: 12px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.tech-spec-table th {
  background-color: #121517;
  font-size: 0.76rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
}

.tech-spec-table tr:last-child td {
  border-bottom: none;
}

.tech-spec-table td.code-cell {
  font-family: var(--font-mono);
  color: var(--text-secondary);
  font-size: 0.8rem;
}

/* 双列架构解析卡片 */
.arch-matrix {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 24px;
}

@media (max-width: 768px) {
  .arch-matrix {
    grid-template-columns: 1fr;
  }
}

.arch-panel {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 24px;
}

.arch-panel h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: 10px;
}

.arch-panel p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.code-terminal {
  background-color: #08090a;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-primary);
  line-height: 1.5;
  overflow-x: auto;
}

/* 权限表格标记 */
.perm-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
}

.perm-badge.safe {
  color: var(--status-green);
  border-color: rgba(48, 209, 88, 0.3);
  background-color: var(--status-green-dim);
}