:root {
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --primary-light: #e0f2fe;
  --bg: #f8fafc;
  --bg-gradient: linear-gradient(180deg, #f0f7ff 0%, #f8fafc 100%);
  --ink: #0f172a;
  --ink-body: #334155;
  --ink-muted: #64748b;
  --line: #e2e8f0;
  --line-strong: #cbd5e1;
  --card: #ffffff;
  --card-light: #f8fafc;
  --hero-bg: linear-gradient(135deg, #ffffff 0%, #e0f2fe 100%);
  --shadow: 0 4px 20px rgba(15, 23, 42, 0.05);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --radius-lg: 16px;
  --radius-md: 8px;
  --note-bg: #f0f9ff;
  --note-border: #0284c7;
  --note-text: #0369a1;
  --warn-bg: #fffbeb;
  --warn-border: #f59e0b;
  --warn-text: #92400e;
}

body.manual-doc {
  background: var(--bg);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--ink-body);
}

body.manual-doc h1,
body.manual-doc h2,
body.manual-doc h3,
body.manual-doc h4 {
  color: var(--ink) !important;
}

body.manual-doc p,
body.manual-doc li {
  color: var(--ink-body) !important;
}

.manual-main {
  max-width: 1240px;
  margin: 0 auto;
  padding: 90px 18px 30px;
}

.manual-hero {
  border: 1px solid #bae6fd;
  border-radius: var(--radius-lg);
  padding: 28px;
  background: var(--hero-bg);
  box-shadow: var(--shadow);
}

.manual-hero .kicker {
  color: var(--primary) !important;
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
}

.manual-hero h1 {
  margin: 10px 0 8px;
  font-size: clamp(28px, 4.2vw, 44px);
  line-height: 1.2;
  white-space: normal;
  color: var(--ink) !important;
  font-weight: 700;
}

.manual-hero p {
  margin: 0;
  color: #475569 !important;
  font-size: 1.05rem;
  line-height: 1.65;
}

.manual-layout {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.manual-sidebar {
  position: sticky;
  top: 100px;
  display: grid;
  gap: 12px;
}

.manual-sidebar-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.manual-sidebar-card h2 {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink-muted) !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.manual-sidebar-card ol,
.manual-sidebar-card ul {
  margin: 10px 0 0;
  padding-left: 10px;
  list-style: none;
}

.manual-sidebar-card li {
  margin-bottom: 6px;
}

.manual-sidebar-card a {
  color: var(--ink-body) !important;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.15s;
}

.manual-sidebar-card a:hover {
  color: var(--primary) !important;
  text-decoration: underline;
}

.manual-global-toc {
  display: grid;
  gap: 8px;
}

.manual-global-toc > li {
  margin-bottom: 2px;
}

.manual-global-toc ul {
  margin-top: 6px;
  padding-left: 16px;
}

.manual-global-toc .toc-current {
  color: var(--primary) !important;
  font-weight: 700;
  border-left: 3px solid var(--primary);
  padding-left: 8px;
  margin-left: -11px;
}

.manual-links {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.manual-links a {
  display: block;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 12px;
  background: var(--card-light);
  font-size: 13px;
}

.manual-links a:hover {
  border-color: var(--primary);
  background: #f0f9ff;
}

.manual-article {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: var(--shadow);
  padding: 8px 0;
}

.manual-section {
  border-top: 1px solid #f1f5f9;
  padding: 28px 24px;
}

.manual-section:first-child {
  border-top: none;
}

.manual-section h2 {
  margin: 0;
  font-size: clamp(22px, 2.8vw, 28px);
  line-height: 1.25;
  font-weight: 700;
  color: var(--ink) !important;
}

.manual-section h3 {
  margin: 20px 0 0;
  font-size: 19px;
  line-height: 1.35;
  font-weight: 600;
  color: var(--primary) !important;
}

.manual-section p {
  margin: 10px 0 0;
  color: var(--ink-body) !important;
  line-height: 1.7;
}

.manual-lead {
  font-size: 15px;
  color: var(--ink-muted) !important;
}

.manual-checklist,
.manual-steps,
.manual-list {
  margin: 14px 0 0;
  padding-left: 20px;
}

.manual-checklist li,
.manual-steps li,
.manual-list li {
  margin-bottom: 8px;
  color: var(--ink-body) !important;
  line-height: 1.65;
}

.manual-checklist strong,
.manual-steps strong,
.manual-list strong {
  color: var(--ink) !important;
}

.manual-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.manual-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.manual-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #f8fafc;
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s;
}

.manual-card:hover {
  border-color: #bae6fd;
  box-shadow: 0 6px 18px rgba(2, 132, 199, 0.08);
}

.manual-card h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--ink) !important;
}

.manual-card p {
  margin: 8px 0 0;
  color: #475569 !important;
  font-size: 14px;
  line-height: 1.65;
}

.manual-note {
  margin-top: 16px;
  border: 1px solid #bae6fd;
  border-left: 4px solid var(--note-border);
  border-radius: 10px;
  background: var(--note-bg);
  padding: 14px 18px;
}

.manual-note p {
  margin: 0;
  color: var(--note-text) !important;
  line-height: 1.65;
}

.manual-note strong {
  color: #0369a1 !important;
}

.manual-warning {
  margin-top: 16px;
  border: 1px solid #fde68a;
  border-left: 4px solid var(--warn-border);
  border-radius: 10px;
  background: var(--warn-bg);
  padding: 14px 18px;
}

.manual-warning p {
  margin: 0;
  color: var(--warn-text) !important;
  line-height: 1.65;
}

.manual-warning strong {
  color: #b45309 !important;
}

.manual-table {
  width: 100%;
  margin-top: 16px;
  border-collapse: collapse;
  font-size: 14px;
}

.manual-table th,
.manual-table td {
  border: 1px solid var(--line);
  padding: 11px 14px;
  text-align: left;
  vertical-align: top;
}

.manual-table th {
  background: #f1f5f9;
  color: var(--ink) !important;
  font-weight: 700;
}

.manual-table td {
  color: var(--ink-body) !important;
  background: #ffffff;
}

.manual-shot {
  margin: 16px 0 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #f8fafc;
  padding: 14px;
}

.manual-shot img {
  display: block;
  margin: 0 auto;
  width: auto;
  max-width: 100%;
  height: 60vh;
  max-height: 60vh;
  object-fit: contain;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}

.manual-shot figcaption {
  margin-top: 8px;
  color: var(--ink-muted) !important;
  font-size: 13px;
  text-align: center;
}

.manual-actions {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.manual-actions .btn-primary {
  background: var(--primary) !important;
  color: #ffffff !important;
  font-weight: 700 !important;
  padding: 11px 22px !important;
  border-radius: 8px !important;
  text-decoration: none !important;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.25) !important;
  transition: background 0.15s !important;
}

.manual-actions .btn-primary:hover {
  background: var(--primary-hover) !important;
}

.manual-actions .btn-ghost {
  background: #ffffff !important;
  border: 1px solid var(--line-strong) !important;
  color: var(--ink) !important;
  font-weight: 600 !important;
  padding: 11px 22px !important;
  border-radius: 8px !important;
  text-decoration: none !important;
  box-shadow: var(--shadow-sm) !important;
  transition: all 0.15s !important;
}

.manual-actions .btn-ghost:hover {
  background: #f1f5f9 !important;
  border-color: #94a3b8 !important;
}

.manual-doc *,
.manual-doc *::before,
.manual-doc *::after {
  animation: none !important;
  transition: none !important;
}

.manual-doc .reveal,
.manual-doc .reveal.in {
  opacity: 1 !important;
  transform: none !important;
}

@media (max-width: 1020px) {
  .manual-layout {
    grid-template-columns: 1fr;
  }

  .manual-sidebar {
    position: static;
  }

  .manual-grid,
  .manual-grid-3 {
    grid-template-columns: 1fr;
  }

  .manual-hero,
  .manual-article,
  .manual-section {
    border-radius: 14px;
  }

  .manual-section {
    padding: 20px 16px;
  }
}

@media (max-width: 600px) {
  .manual-main {
    padding: 85px 12px 24px;
  }

  .manual-hero {
    padding: 20px 16px;
    border-radius: 12px;
  }

  .manual-hero h1 {
    font-size: clamp(22px, 6.2vw, 28px);
  }

  .manual-hero p {
    font-size: 0.95rem;
    line-height: 1.6;
  }

  .manual-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .manual-actions .btn-primary,
  .manual-actions .btn-ghost {
    text-align: center;
  }

  .manual-section {
    padding: 18px 14px;
  }
}