/* docs/pages/assets/style.css — stock_monitor 風格 */
/* 深色頂導覽列 + 深色 Banner + 淺色內容區 + 中文優先字型 */

:root {
  --nav-bg: #111827;
  --nav-text: #f9fafb;
  --nav-accent: #2d9ef5;
  --banner-from: #1e3a5f;
  --banner-to: #111827;
  --banner-text: #fff;
  --banner-link: #93c5fd;
  --page-bg: #f6f8fa;
  --sidebar-bg: #fff;
  --content-bg: #fff;
  --border: #e1e4e8;
  --text: #24292e;
  --text-muted: #586069;
  --accent: #2d9ef5;
  --accent-hover: #1a8ae0;
  --code-bg: #f6f8fa;
  --table-stripe: #fafbfc;
  --active-bg: #eff8ff;
  --font: system-ui, "Segoe UI", "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --nav-h: 56px;
  --sidebar-w: 260px;
  --content-pad-h: 3rem;
}

@media (min-width: 1440px) { :root { --sidebar-w: 280px; } }
@media (min-width: 1920px) { :root { --sidebar-w: 300px; --content-pad-h: 4rem; } }
@media (min-width: 2560px) { :root { --sidebar-w: 320px; --content-pad-h: 5rem; } }

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  background: var(--page-bg);
  min-height: 100vh;
}

/* ─── Top Navigation ─────────────────────────────── */
.top-nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  background: var(--nav-bg);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.5rem;
  box-shadow: 0 1px 4px rgba(0,0,0,0.4);
}
.nav-brand {
  font-size: 1rem; font-weight: 700;
  color: var(--nav-text); text-decoration: none;
  letter-spacing: -0.01em; transition: color 120ms;
}
.nav-brand:hover { color: var(--nav-accent); }
.nav-controls { display: flex; align-items: center; gap: 0.75rem; }
.nav-gh-link {
  display: inline-flex; align-items: center; gap: 0.375rem;
  color: #d1d5db; text-decoration: none; font-size: 0.875rem;
  padding: 0.375rem 0.75rem;
  border: 1px solid #374151; border-radius: 6px;
  transition: all 120ms; white-space: nowrap;
}
.nav-gh-link:hover { background: #1f2937; color: var(--nav-accent); border-color: var(--nav-accent); }

/* ─── Search ──────────────────────────────────────── */
.search-wrap { position: relative; }
.search-input {
  padding: 0.375rem 0.75rem;
  border: 1px solid #374151; border-radius: 6px;
  background: #1f2937; color: var(--nav-text);
  font-family: var(--font); font-size: 0.875rem;
  width: 200px; transition: border-color 120ms;
}
.search-input::placeholder { color: #9ca3af; }
.search-input:focus { outline: none; border-color: var(--nav-accent); }
.search-results {
  position: absolute; top: calc(100% + 4px); right: 0;
  background: var(--content-bg); border: 1px solid var(--border);
  border-radius: 8px; width: 320px; max-height: 400px; overflow-y: auto;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15); z-index: 200; display: none;
}
.search-result-item {
  padding: 0.625rem 1rem; border-bottom: 1px solid var(--border);
  cursor: pointer; text-decoration: none; display: block; color: var(--text);
}
.search-result-item:hover { background: var(--page-bg); }
.search-result-item__title { font-weight: 600; font-size: 0.875rem; }
.search-result-item__excerpt { color: var(--text-muted); font-size: 0.8125rem; margin-top: 2px; }

/* ─── Page Banner ────────────────────────────────── */
.doc-page-banner {
  background: linear-gradient(135deg, var(--banner-from) 0%, var(--banner-to) 100%);
  color: var(--banner-text);
  padding: 2.5rem 2rem 2rem;
  border-bottom: 1px solid #0d1117;
}
.banner-breadcrumb { font-size: 0.8125rem; color: var(--banner-link); margin-bottom: 0.5rem; }
.banner-breadcrumb a { color: var(--banner-link); text-decoration: none; }
.banner-breadcrumb a:hover { text-decoration: underline; }
.banner-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700; letter-spacing: -0.02em; margin: 0;
}
.banner-desc { font-size: 0.9375rem; color: #d1d5db; margin-top: 0.5rem; }

/* ─── Page Wrapper ───────────────────────────────── */
.page-wrapper {
  display: grid;
  grid-template-columns: var(--sidebar-w) 4px 1fr;
  width: 100%;
  min-height: calc(100vh - var(--nav-h) - 7rem);
  align-items: start;
  transition: grid-template-columns 200ms ease;
}

/* ─── Sidebar ────────────────────────────────────── */
.sidebar {
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  padding: 1.5rem 0;
  position: sticky; top: var(--nav-h);
  height: calc(100vh - var(--nav-h));
  overflow-y: auto;
}
.sidebar__section { margin-bottom: 1.5rem; }
.sidebar__label {
  font-size: 0.6875rem; font-weight: 600; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.08em;
  padding: 0 1rem; margin-bottom: 0.375rem;
}
.sidebar__link {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.4375rem 1rem; color: var(--text);
  text-decoration: none; font-size: 0.875rem;
  border-left: 2px solid transparent; transition: all 120ms;
}
.sidebar__link:hover { background: var(--page-bg); color: var(--accent); }
.sidebar__link.active {
  border-left-color: var(--accent); color: var(--accent);
  background: var(--active-bg); font-weight: 500;
}

/* ─── Doc Content ────────────────────────────────── */
.doc-content {
  padding: 2.5rem var(--content-pad-h);
  width: 100%; background: transparent;
}
.doc-content h1 {
  font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700;
  letter-spacing: -0.02em; margin-bottom: 1.25rem; color: var(--text);
  border-bottom: 2px solid var(--border); padding-bottom: 0.625rem;
}
.doc-content h2 {
  font-size: clamp(1.125rem, 2vw, 1.5rem); font-weight: 600;
  letter-spacing: -0.01em; margin: 2.5rem 0 0.75rem; color: var(--text);
  padding-bottom: 0.375rem; border-bottom: 1px solid var(--border);
}
.doc-content h3 { font-size: 1.125rem; font-weight: 600; margin: 1.75rem 0 0.5rem; }
.doc-content h4 { font-size: 1rem; font-weight: 600; margin: 1.25rem 0 0.375rem; }
.doc-content p { margin-bottom: 1rem; }
.doc-content ul, .doc-content ol { margin: 0.5rem 0 1rem 1.5rem; }
.doc-content li { margin-bottom: 0.25rem; }
.doc-content a { color: var(--accent); text-decoration: none; }
.doc-content a:hover { text-decoration: underline; }
.doc-content blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.625rem 1rem; margin: 1rem 0;
  background: #f0f7ff; border-radius: 0 6px 6px 0; color: var(--text-muted);
}
.doc-content hr { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }

/* Table */
.doc-content table {
  display: block; overflow-x: auto;
  width: 100%; max-width: 100%;
  border-collapse: collapse; margin: 1.5rem 0; font-size: 0.875rem;
}
.doc-content th {
  background: var(--page-bg); padding: 0.5rem 0.75rem;
  text-align: left; font-weight: 600; border: 1px solid var(--border);
}
.doc-content td { padding: 0.5rem 0.75rem; border: 1px solid var(--border); vertical-align: top; }
.doc-content tr:nth-child(even) td { background: var(--table-stripe); }

/* Code */
.doc-content pre {
  background: var(--code-bg); border: 1px solid var(--border);
  border-radius: 6px; padding: 1rem 1.25rem; overflow-x: auto;
  margin: 1rem 0; font-family: var(--font-mono); font-size: 0.875rem; line-height: 1.6;
}
.doc-content code {
  font-family: var(--font-mono); font-size: 0.875em;
  background: var(--code-bg); padding: 1px 5px;
  border-radius: 4px; border: 1px solid var(--border);
}
.doc-content pre code { background: none; padding: 0; border: none; font-size: 1em; }

/* Mermaid */
.diagram-container {
  background: var(--content-bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 1.5rem; margin: 1.5rem 0;
  text-align: center; cursor: pointer; overflow-x: auto;
  transition: border-color 200ms, box-shadow 200ms;
}
.diagram-container:hover { border-color: var(--accent); box-shadow: 0 2px 8px rgba(45,158,245,0.15); }

/* Lightbox */
.lightbox {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.8); z-index: 1000;
  align-items: center; justify-content: center; padding: 2rem;
}
.lightbox.active { display: flex; }
.lightbox__content {
  background: var(--content-bg); border-radius: 8px; padding: 2rem;
  max-width: 95vw; max-height: 90vh; overflow: auto;
}
.lightbox__close {
  position: absolute; top: 1rem; right: 1rem;
  font-size: 2rem; color: white; cursor: pointer; line-height: 1;
}

/* Index grid */
.index-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(220px,1fr)); gap: 1rem; margin-top: 1.5rem; }
.index-card {
  background: var(--content-bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 1.5rem; text-decoration: none; color: var(--text);
  transition: all 120ms; display: flex; flex-direction: column; gap: 0.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.index-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(45,158,245,0.15); }
.index-card__icon { font-size: 1.75rem; }
.index-card__title { font-weight: 600; font-size: 1rem; }
.index-card__desc { color: var(--text-muted); font-size: 0.875rem; }

/* ─── Sidebar Toggle Button ──────────────────── */
.sidebar-toggle {
  background: transparent; border: 1px solid #374151;
  color: #d1d5db; padding: 0.375rem 0.5rem; border-radius: 6px;
  cursor: pointer; font-size: 1rem; line-height: 1; transition: all 120ms; flex-shrink: 0;
}
.sidebar-toggle:hover { background: #1f2937; color: var(--nav-accent); }

/* ─── Sidebar Resizer ────────────────────────── */
.sidebar-resizer {
  width: 4px; background: var(--border); cursor: col-resize;
  transition: background 120ms; z-index: 5; user-select: none; flex-shrink: 0;
}
.sidebar-resizer:hover,
.sidebar-resizer.dragging { background: var(--accent); }

/* ─── Sidebar Collapsed State ────────────────── */
.page-wrapper.sidebar-collapsed { grid-template-columns: 0 4px 1fr; }
.page-wrapper.sidebar-collapsed .sidebar {
  overflow: hidden; min-width: 0; width: 0; padding: 0; border: none; visibility: hidden;
}

/* ─── Badge Fallback ─────────────────────────── */
.badge-fallback {
  display: inline-block; padding: 2px 8px; font-size: 0.75rem;
  font-family: var(--font-mono); background: #e1e4e8;
  border-radius: 4px; color: var(--text-muted); vertical-align: middle;
}

/* Responsive */
@media (max-width: 768px) {
  .page-wrapper { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .doc-content { padding: 1.5rem 1rem; }
  .search-input { width: 140px; }
  .doc-page-banner { padding: 1.5rem 1rem 1rem; }
  .nav-gh-link { display: none; }
}