/* VitalBridge Clinic Training Guide — July 2026 */

:root {
  --bg-base: #f0f7fa;
  --bg-surface: #ffffff;
  --bg-subtle: #e8f2f6;
  --bg-nav: #0c1b2a;
  --bg-nav-hover: rgba(34, 211, 238, 0.12);
  --bg-nav-active: rgba(6, 182, 212, 0.2);

  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-on-dark: #f1f5f9;
  --text-on-dark-muted: #94a3b8;

  --accent: #06b6d4;
  --accent-strong: #0891b2;
  --accent-soft: rgba(6, 182, 212, 0.12);
  --accent-gradient: linear-gradient(135deg, #22d3ee 0%, #3b82f6 55%, #8b5cf6 100%);

  --green: #16a34a;
  --green-soft: rgba(34, 197, 94, 0.12);
  --red: #dc2626;
  --red-soft: rgba(239, 68, 68, 0.12);
  --blue: #2563eb;
  --blue-soft: rgba(59, 130, 246, 0.12);
  --amber: #d97706;
  --amber-soft: rgba(245, 158, 11, 0.14);
  --purple: #9333ea;
  --purple-soft: rgba(168, 85, 247, 0.12);
  --orange: #ea580c;
  --orange-soft: rgba(249, 115, 22, 0.12);
  --teal: #0d9488;
  --teal-soft: rgba(20, 184, 166, 0.12);
  --slate: #64748b;
  --slate-soft: rgba(148, 163, 184, 0.18);

  --border: #dbe4ec;
  --shadow: 0 8px 28px rgba(15, 23, 42, 0.08);
  --radius: 14px;
  --radius-sm: 8px;
  --nav-width: 280px;
  --topbar-height: 72px;

  --font-display: "Avenir Next", "Century Gothic", "Trebuchet MS", Candara, sans-serif;
  --font-body: "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --font-ui: "Avenir Next", "Segoe UI", Candara, "Trebuchet MS", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.65;
  color: var(--text-primary);
  background:
    radial-gradient(900px 500px at 10% -10%, rgba(6, 182, 212, 0.16), transparent 55%),
    radial-gradient(700px 420px at 90% 0%, rgba(59, 130, 246, 0.1), transparent 50%),
    linear-gradient(180deg, #eef8fb 0%, var(--bg-base) 40%, #f7fafc 100%);
}

a {
  color: var(--accent-strong);
}

/* —— Top bar —— */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 20px 0 16px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--accent-gradient);
  box-shadow: 0 8px 22px rgba(59, 130, 246, 0.28);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  color: #fff;
}

.brand-text h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.brand-text p {
  margin: 2px 0 0;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.topbar-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 10px;
  padding: 10px 12px;
  font-family: var(--font-ui);
  font-weight: 700;
  cursor: pointer;
}

/* —— Layout —— */
.shell {
  display: grid;
  grid-template-columns: var(--nav-width) 1fr;
  min-height: calc(100vh - var(--topbar-height));
}

.nav {
  position: sticky;
  top: var(--topbar-height);
  height: calc(100vh - var(--topbar-height));
  overflow: auto;
  background: var(--bg-nav);
  color: var(--text-on-dark);
  padding: 18px 12px 28px;
}

.nav-label {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  padding: 8px 12px 10px;
}

.nav button {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  color: var(--text-on-dark);
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.35;
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
  margin-bottom: 2px;
  transition: background 0.15s ease, color 0.15s ease;
}

.nav button:hover {
  background: var(--bg-nav-hover);
}

.nav button.active {
  background: var(--bg-nav-active);
  color: #67e8f9;
  box-shadow: inset 3px 0 0 var(--accent);
}

.nav button .num {
  display: inline-block;
  width: 1.6em;
  color: var(--text-on-dark-muted);
  font-variant-numeric: tabular-nums;
}

.nav button.active .num {
  color: #67e8f9;
}

.main {
  min-width: 0;
  padding: 28px 36px 64px;
}

.chapter {
  display: none;
  max-width: 820px;
  animation: fadeIn 0.28s ease;
}

.chapter.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.chapter-kicker {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin: 0 0 8px;
}

.chapter h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 2.4vw, 2.15rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin: 0 0 12px;
}

.chapter h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 750;
  margin: 1.6em 0 0.55em;
  letter-spacing: -0.015em;
}

.chapter h4 {
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 750;
  margin: 1.25em 0 0.4em;
  color: var(--text-secondary);
}

.chapter p,
.chapter li {
  color: var(--text-secondary);
}

.chapter p {
  margin: 0 0 1em;
}

.chapter ul,
.chapter ol {
  margin: 0 0 1.1em;
  padding-left: 1.25em;
}

.chapter li {
  margin-bottom: 0.4em;
}

.lead {
  font-size: 1.12rem;
  color: var(--text-primary);
  margin-bottom: 1.25em !important;
}

/* —— Callouts —— */
.callout {
  border-radius: var(--radius);
  padding: 14px 16px 14px 18px;
  margin: 1.1em 0 1.35em;
  border: 1px solid var(--border);
  background: var(--bg-surface);
  box-shadow: var(--shadow);
  border-left-width: 4px;
}

.callout strong.label {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.callout.tip {
  border-left-color: var(--accent);
  background: linear-gradient(90deg, var(--accent-soft), #fff 55%);
}

.callout.tip .label {
  color: var(--accent-strong);
}

.callout.important {
  border-left-color: var(--amber);
  background: linear-gradient(90deg, var(--amber-soft), #fff 55%);
}

.callout.important .label {
  color: var(--amber);
}

.callout.plain {
  border-left-color: var(--green);
  background: linear-gradient(90deg, var(--green-soft), #fff 55%);
}

.callout.plain .label {
  color: var(--green);
}

.callout.enabled {
  border-left-color: var(--purple);
  background: linear-gradient(90deg, var(--purple-soft), #fff 55%);
}

.callout.enabled .label {
  color: var(--purple);
}

/* —— Tables —— */
.table-wrap {
  overflow-x: auto;
  margin: 1em 0 1.4em;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #fff;
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-ui);
  font-size: 0.92rem;
}

th,
td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  background: var(--bg-subtle);
  font-weight: 750;
  color: var(--text-primary);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

tr:last-child td {
  border-bottom: 0;
}

/* —— Steps —— */
.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 1em 0 1.4em;
}

.steps li {
  position: relative;
  padding: 12px 14px 12px 56px;
  margin-bottom: 10px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 14px;
  top: 14px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #fff;
  font-family: var(--font-ui);
  font-weight: 800;
  font-size: 0.85rem;
  display: grid;
  place-items: center;
}

/* —— Mock UI —— */
.mock {
  margin: 1.2em 0 1.5em;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #fff;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.mock-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  background: linear-gradient(180deg, #f8fafc, #f1f5f9);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.mock-body {
  padding: 14px;
  font-family: var(--font-ui);
}

.mock-caption {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: -0.4em 0 1.2em;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 3px 8px;
  border-radius: 999px;
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  white-space: nowrap;
}

.badge.continua {
  background: var(--green-soft);
  color: var(--green);
  border-color: rgba(34, 197, 94, 0.28);
}

.badge.non-continua {
  background: var(--slate-soft);
  color: var(--slate);
  border-color: rgba(148, 163, 184, 0.3);
}

.badge.scale {
  background: var(--blue-soft);
  color: var(--blue);
  border-color: rgba(59, 130, 246, 0.28);
}

.badge.glucose,
.badge.cgm {
  background: var(--purple-soft);
  color: var(--purple);
  border-color: rgba(168, 85, 247, 0.28);
}

.badge.bp {
  background: var(--orange-soft);
  color: var(--orange);
  border-color: rgba(249, 115, 22, 0.28);
}

.badge.spo2 {
  background: var(--teal-soft);
  color: var(--teal);
  border-color: rgba(20, 184, 166, 0.28);
}

.badge.high {
  background: var(--red-soft);
  color: var(--red);
  border-color: rgba(239, 68, 68, 0.28);
}

.badge.low {
  background: var(--blue-soft);
  color: var(--blue);
  border-color: rgba(59, 130, 246, 0.28);
}

.badge.status-active {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.badge.status-paused {
  background: var(--amber-soft);
  color: var(--amber);
}

.wq-row {
  display: grid;
  grid-template-columns: 1.4fr 0.7fr 0.7fr 1fr;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 8px;
  background: #fbfdff;
}

.wq-row:last-child {
  margin-bottom: 0;
}

.wq-name {
  font-weight: 750;
  color: var(--text-primary);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.wq-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.wq-reason {
  font-size: 0.78rem;
  color: var(--text-secondary);
  grid-column: 1 / -1;
  padding-top: 2px;
}

.priority-list {
  display: grid;
  gap: 8px;
  margin: 1em 0 1.4em;
}

.priority-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-family: var(--font-ui);
  font-size: 0.95rem;
}

.priority-item .rank {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--accent-gradient);
  color: #fff;
  font-weight: 800;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
}

.chart-wire {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 10px;
}

.wire-block {
  border: 1px dashed #cbd5e1;
  border-radius: 10px;
  padding: 10px 12px;
  background: #f8fafc;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.wire-block strong {
  display: block;
  color: var(--text-primary);
  font-size: 0.82rem;
  margin-bottom: 4px;
}

.wire-banner {
  grid-column: 1 / -1;
  background: var(--red-soft);
  border: 1px solid rgba(220, 38, 38, 0.25);
  color: #991b1b;
  font-weight: 700;
}

.wire-header {
  grid-column: 1 / -1;
  background: linear-gradient(90deg, rgba(6, 182, 212, 0.08), rgba(59, 130, 246, 0.06));
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 1em 0;
}

.checklist li {
  padding: 10px 12px 10px 40px;
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 8px;
  font-family: var(--font-ui);
}

.checklist li::before {
  content: "☐";
  position: absolute;
  left: 14px;
  top: 10px;
  color: var(--accent-strong);
  font-size: 1.1rem;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 1em 0;
}

.mini-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
}

.mini-card h4 {
  margin-top: 0;
}

.footer {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: var(--text-muted);
}

.chapter-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 36px;
  font-family: var(--font-ui);
}

.chapter-nav button {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 700;
  cursor: pointer;
  color: var(--text-primary);
  box-shadow: var(--shadow);
}

.chapter-nav button:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.chapter-nav button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.nav-backdrop {
  display: none;
}

@media (max-width: 960px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .nav {
    position: fixed;
    left: 0;
    top: var(--topbar-height);
    width: min(86vw, 320px);
    z-index: 50;
    transform: translateX(-105%);
    transition: transform 0.2s ease;
    box-shadow: var(--shadow);
  }

  .nav.open {
    transform: none;
  }

  .nav-backdrop {
    display: none;
    position: fixed;
    inset: var(--topbar-height) 0 0 0;
    background: rgba(15, 23, 42, 0.45);
    z-index: 45;
  }

  .nav-backdrop.open {
    display: block;
  }

  .main {
    padding: 22px 18px 48px;
  }

  .wq-row {
    grid-template-columns: 1fr;
  }

  .chart-wire,
  .two-col {
    grid-template-columns: 1fr;
  }

  .topbar-meta .hide-sm {
    display: none;
  }
}

@media print {
  .nav,
  .menu-toggle,
  .chapter-nav,
  .nav-backdrop {
    display: none !important;
  }

  .shell {
    display: block;
  }

  .chapter {
    display: block !important;
    break-inside: avoid;
    page-break-after: always;
  }

  .topbar {
    position: static;
  }
}