/* ─── Reset & Base ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --sidebar-w:    240px;
  --topbar-h:     56px;

  --color-bg:     #f3f4f6;
  --color-surface:#ffffff;
  --color-border: #e5e7eb;
  --color-border2:#d1d5db;

  --color-primary:   #1f2937;
  --color-primary-2: #111827;
  --color-accent:    #c08457;
  --color-accent-dk: #a06a3c;
  --color-accent-bg: #fdf5ee;
  --color-accent-bd: #f0d0a8;

  --color-text:      #1f2937;
  --color-text-2:    #374151;
  --color-text-3:    #6b7280;
  --color-white:     #ffffff;

  --color-success:   #16a34a;
  --color-success-bg:#f0fdf4;
  --color-success-bd:#bbf7d0;
  --color-error:     #dc2626;
  --color-error-bg:  #fef2f2;
  --color-error-bd:  #fecaca;
  --color-warn-bg:   #fffbeb;
  --color-warn-bd:   #fde68a;
  --color-warn:      #92400e;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", "Fira Code", ui-monospace, monospace;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.07);
  --shadow-md: 0 4px 12px rgba(0,0,0,.09);
  --transition: 0.18s ease;
}

html { font-size: 15px; }
body {
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { display: block; max-width: 100%; }

/* ─── Layout ────────────────────────────────────────────────────────────────── */
.app { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--color-primary-2);
  color: rgba(255,255,255,0.75);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 50;
  transition: transform var(--transition);
}

.sidebar-brand {
  padding: 1.25rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.sidebar-brand-icon {
  width: 32px; height: 32px;
  background: var(--color-accent);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.sidebar-brand-name {
  font-size: 0.88rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}
.sidebar-brand-sub {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.4);
}

.sidebar-nav { padding: 0.75rem 0; flex: 1; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.65);
  border-left: 3px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  cursor: pointer;
  text-decoration: none;
}
.nav-item:hover { background: rgba(255,255,255,0.06); color: #fff; text-decoration: none; }
.nav-item.active {
  color: var(--color-accent);
  border-left-color: var(--color-accent);
  background: rgba(192,132,87,0.1);
}
.nav-icon {
  width: 1.25rem;
  text-align: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid rgba(255,255,255,0.07);
  font-size: 0.72rem;
  color: rgba(255,255,255,0.3);
}

/* ─── Main ──────────────────────────────────────────────────────────────────── */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 40;
}
.topbar-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.topbar-badge {
  font-size: 0.7rem;
  font-weight: 700;
  background: var(--color-accent-bg);
  color: var(--color-accent-dk);
  border: 1px solid var(--color-accent-bd);
  border-radius: var(--radius-full);
  padding: 2px 10px;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  color: var(--color-text);
  flex-direction: column;
  gap: 4px;
}
.menu-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}
.menu-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.page-content { padding: 2rem 1.75rem; flex: 1; }

/* ─── Page Header ───────────────────────────────────────────────────────────── */
.page-header {
  margin-bottom: 1.75rem;
}
.page-header h1 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.2;
  margin-bottom: 0.35rem;
}
.page-header p {
  color: var(--color-text-3);
  font-size: 0.9rem;
}

/* ─── Cards ─────────────────────────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.card--link {
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  cursor: pointer;
  text-decoration: none;
  display: block;
  color: inherit;
}
.card--link:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  border-color: var(--color-accent-bd);
  text-decoration: none;
}

/* ─── Grid layouts ───────────────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem; }

/* ─── Category Badge ─────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge--neutral { background: #f3f4f6; color: var(--color-text-3); border: 1px solid var(--color-border); }
.badge--accent  { background: var(--color-accent-bg); color: var(--color-accent-dk); border: 1px solid var(--color-accent-bd); }
.badge--green   { background: var(--color-success-bg); color: var(--color-success); border: 1px solid var(--color-success-bd); }
.badge--red     { background: var(--color-error-bg); color: var(--color-error); border: 1px solid var(--color-error-bd); }

/* ─── Progress Bar ───────────────────────────────────────────────────────────── */
.progress-wrap {
  background: var(--color-bg);
  border-radius: var(--radius-full);
  height: 6px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  transition: width 0.4s ease;
}
.progress-bar--green { background: var(--color-success); }
.progress-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-3);
  margin-top: 0.35rem;
}

/* ─── Standards ──────────────────────────────────────────────────────────────── */
.standards-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.5rem;
  align-items: start;
}
.standards-nav {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: sticky;
  top: calc(var(--topbar-h) + 1.5rem);
}
.standards-nav-item {
  display: block;
  padding: 0.7rem 1rem;
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--color-text-2);
  border-bottom: 1px solid var(--color-border);
  border-left: 3px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  text-decoration: none;
}
.standards-nav-item:last-child { border-bottom: none; }
.standards-nav-item:hover { background: var(--color-bg); text-decoration: none; }
.standards-nav-item.active {
  color: var(--color-accent);
  border-left-color: var(--color-accent);
  background: var(--color-accent-bg);
}

.standard-article {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 1.25rem;
  scroll-margin-top: calc(var(--topbar-h) + 1.5rem);
}
.standard-article-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}
.standard-article-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.2rem;
}
.standard-article-summary {
  font-size: 0.83rem;
  color: var(--color-text-3);
}
.standard-section {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
}
.standard-section:last-child { border-bottom: none; }
.standard-section h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.4rem;
}
.standard-section p {
  font-size: 0.88rem;
  color: var(--color-text-2);
  line-height: 1.75;
}

/* ─── Videos ─────────────────────────────────────────────────────────────────── */
.video-card { display: flex; flex-direction: column; }
.video-thumb {
  aspect-ratio: 16/9;
  background: var(--color-primary);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: rgba(255,255,255,0.3);
  position: relative;
}
.video-thumb img { width: 100%; height: 100%; object-fit: cover; }
.video-thumb-placeholder { color: rgba(255,255,255,0.25); }
.video-play-icon {
  position: absolute;
  width: 48px; height: 48px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
  color: #fff;
  box-shadow: var(--shadow-md);
}
.video-body {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}
.video-title { font-size: 0.9rem; font-weight: 700; color: var(--color-text); }
.video-desc  { font-size: 0.8rem; color: var(--color-text-3); line-height: 1.55; }
.video-meta  { font-size: 0.75rem; color: var(--color-text-3); margin-top: auto; padding-top: 0.5rem; }

.video-modal-overlay {
  display: none;
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.8);
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.video-modal-overlay.open { display: flex; }
.video-modal {
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  width: 100%;
  max-width: 900px;
  position: relative;
}
.video-modal-close {
  position: absolute;
  top: 0.75rem; right: 0.75rem;
  background: rgba(255,255,255,0.15);
  border: none; cursor: pointer;
  color: #fff; font-size: 1.1rem;
  width: 32px; height: 32px;
  border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
  z-index: 1;
}
.video-modal-close:hover { background: rgba(255,255,255,0.25); }
.video-modal iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16/9;
  border: none;
}
.video-placeholder-msg {
  padding: 3rem;
  text-align: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.88rem;
}

/* ─── Quiz ───────────────────────────────────────────────────────────────────── */
.quiz-card { display: flex; flex-direction: column; gap: 0.75rem; }
.quiz-card-title { font-size: 0.95rem; font-weight: 700; color: var(--color-text); }
.quiz-card-desc  { font-size: 0.82rem; color: var(--color-text-3); line-height: 1.55; }
.quiz-card-meta  { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; margin-top: 0.25rem; }
.quiz-card-footer { margin-top: auto; padding-top: 0.75rem; }

.quiz-engine { max-width: 680px; }
.quiz-header { margin-bottom: 1.5rem; }
.quiz-progress-text { font-size: 0.8rem; color: var(--color-text-3); margin-bottom: 0.4rem; }
.quiz-question-wrap { margin-bottom: 1.5rem; }
.quiz-question-text {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 1rem;
  line-height: 1.5;
}
.quiz-options { display: flex; flex-direction: column; gap: 0.6rem; }
.quiz-option {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  background: var(--color-surface);
}
.quiz-option:hover:not(.disabled) { border-color: var(--color-accent-bd); background: var(--color-accent-bg); }
.quiz-option.selected { border-color: var(--color-accent); background: var(--color-accent-bg); }
.quiz-option.correct  { border-color: var(--color-success); background: var(--color-success-bg); }
.quiz-option.incorrect { border-color: var(--color-error); background: var(--color-error-bg); }
.quiz-option.disabled { cursor: default; }
.quiz-option-letter {
  width: 1.5rem; height: 1.5rem;
  border-radius: var(--radius-full);
  background: var(--color-bg);
  border: 1px solid var(--color-border2);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem; font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}
.quiz-option.selected .quiz-option-letter { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.quiz-option.correct .quiz-option-letter  { background: var(--color-success); color: #fff; border-color: var(--color-success); }
.quiz-option.incorrect .quiz-option-letter { background: var(--color-error); color: #fff; border-color: var(--color-error); }
.quiz-option-text { font-size: 0.88rem; color: var(--color-text-2); line-height: 1.5; }

.quiz-explanation {
  margin-top: 0.75rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.83rem;
  line-height: 1.65;
  display: none;
}
.quiz-explanation.visible { display: block; }
.quiz-explanation--correct { background: var(--color-success-bg); border: 1px solid var(--color-success-bd); color: #14532d; }
.quiz-explanation--incorrect { background: var(--color-error-bg); border: 1px solid var(--color-error-bd); color: #7f1d1d; }

.quiz-nav { display: flex; justify-content: space-between; align-items: center; margin-top: 1.5rem; gap: 1rem; }
.quiz-result {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  max-width: 480px;
  margin-top: 1.5rem;
}
.quiz-result-score {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}
.quiz-result-label { font-size: 0.88rem; color: var(--color-text-3); margin-bottom: 1.25rem; }
.quiz-result-pass  { color: var(--color-success); }
.quiz-result-fail  { color: var(--color-error); }

/* ─── Checklists ─────────────────────────────────────────────────────────────── */
.checklist-card-title { font-size: 0.95rem; font-weight: 700; color: var(--color-text); margin-bottom: 0.25rem; }
.checklist-card-desc  { font-size: 0.8rem; color: var(--color-text-3); margin-bottom: 0.75rem; }
.checklist-card-progress { margin-bottom: 0.75rem; }
.checklist-card-footer { margin-top: 1rem; }

.checklist-items { display: flex; flex-direction: column; gap: 0.1rem; }
.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition);
  user-select: none;
}
.checklist-item:hover { background: var(--color-bg); }
.checklist-item.done .checklist-item-text {
  text-decoration: line-through;
  color: var(--color-text-3);
}
.checklist-checkbox {
  width: 1.1rem; height: 1.1rem;
  border: 2px solid var(--color-border2);
  border-radius: 3px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  margin-top: 2px;
  transition: background var(--transition), border-color var(--transition);
}
.checklist-item.done .checklist-checkbox {
  background: var(--color-success);
  border-color: var(--color-success);
}
.checklist-checkmark { color: #fff; font-size: 0.65rem; display: none; }
.checklist-item.done .checklist-checkmark { display: block; }
.checklist-item-text { font-size: 0.85rem; color: var(--color-text-2); line-height: 1.5; }

.checklist-full {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 640px;
}
.checklist-full-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
}
.checklist-full-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.2rem; }
.checklist-full-desc  { font-size: 0.83rem; color: var(--color-text-3); margin-bottom: 0.75rem; }
.checklist-full-items { padding: 0.5rem 0.75rem; }
.checklist-full-footer {
  padding: 0.75rem 1.5rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-text-3);
}

/* ─── Dashboard ──────────────────────────────────────────────────────────────── */
.stat-card { text-align: center; }
.stat-value { font-size: 2rem; font-weight: 800; color: var(--color-text); line-height: 1; margin-bottom: 0.35rem; }
.stat-label { font-size: 0.78rem; color: var(--color-text-3); text-transform: uppercase; letter-spacing: 0.06em; }

.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-3);
  margin-bottom: 0.75rem;
}

/* ─── Buttons ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  text-align: center;
  white-space: nowrap;
  font-family: var(--font);
  text-decoration: none;
}
.btn--primary { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.btn--primary:hover { background: var(--color-accent-dk); border-color: var(--color-accent-dk); text-decoration: none; }
.btn--outline { background: transparent; color: var(--color-text); border-color: var(--color-border2); }
.btn--outline:hover { border-color: var(--color-text); text-decoration: none; }
.btn--ghost  { background: transparent; color: var(--color-text-3); border-color: transparent; }
.btn--ghost:hover { background: var(--color-bg); color: var(--color-text); text-decoration: none; }
.btn--sm { padding: 0.35rem 0.8rem; font-size: 0.78rem; }
.btn--full { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* ─── Misc ───────────────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--color-text-3);
}
.empty-state-icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.empty-state p { font-size: 0.88rem; line-height: 1.6; }

.divider { border: none; border-top: 1px solid var(--color-border); margin: 1.5rem 0; }

code {
  font-family: var(--mono);
  font-size: 0.82em;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 1px 5px;
  border-radius: 3px;
}

/* ─── Troubleshooting ────────────────────────────────────────────────────────── */
.ts-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1rem;
  max-width: 760px;
}
.ts-symptom {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.6rem;
}
.ts-cause {
  font-size: 0.85rem;
  color: var(--color-text-2);
  background: var(--color-warn-bg);
  border: 1px solid var(--color-warn-bd);
  border-radius: var(--radius-md);
  padding: 0.6rem 0.9rem;
  margin-bottom: 1rem;
  line-height: 1.6;
}
.ts-fix-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-3);
  margin-bottom: 0.5rem;
}
.ts-steps {
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.ts-steps li {
  font-size: 0.87rem;
  color: var(--color-text-2);
  line-height: 1.65;
}

/* ─── Client Comms ───────────────────────────────────────────────────────────── */
.comms-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  max-width: 760px;
}
.comms-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.85rem;
}
.comms-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.2rem;
}
.comms-when {
  font-size: 0.8rem;
  color: var(--color-text-3);
  line-height: 1.5;
}
.comms-copy-btn { flex-shrink: 0; }
.comms-template {
  width: 100%;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--color-text-2);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  resize: vertical;
  white-space: pre;
  overflow-x: auto;
}
.comms-template:focus { outline: 2px solid var(--color-accent); outline-offset: 2px; }

/* ─── Glossary ───────────────────────────────────────────────────────────────── */
.glossary-list { display: grid; gap: 0; }
.glossary-term {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text);
  padding: 1rem 0 0.2rem;
}
.glossary-def {
  font-size: 0.87rem;
  color: var(--color-text-2);
  line-height: 1.7;
  margin: 0;
  padding-bottom: 1rem;
}
.glossary-divider {
  height: 1px;
  background: var(--color-border);
}

/* ─── Emergency ──────────────────────────────────────────────────────────────── */
.emg-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-border2);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1rem;
  max-width: 760px;
}
.emg-card--critical { border-left-color: var(--color-error); }
.emg-card--high     { border-left-color: var(--color-warn); }
.emg-card--medium   { border-left-color: var(--color-accent); }
.emg-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}
.emg-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
}
.emg-steps {
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.emg-steps li {
  font-size: 0.87rem;
  color: var(--color-text-2);
  line-height: 1.65;
}

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main {
    margin-left: 0;
  }
  .menu-toggle {
    display: flex;
  }
  .standards-layout {
    grid-template-columns: 1fr;
  }
  .standards-nav {
    position: static;
    display: flex;
    overflow-x: auto;
    border-radius: var(--radius-md);
  }
  .standards-nav-item {
    white-space: nowrap;
    border-bottom: none;
    border-left: none;
    border-bottom: 3px solid transparent;
  }
  .standards-nav-item.active {
    border-bottom-color: var(--color-accent);
    border-left-color: transparent;
  }
  .page-content { padding: 1.25rem 1rem; }
}