@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  --bg-app: #060b14;
  --bg-card: #0d1527;
  --bg-card-hover: #131f38;
  --bg-element: #17243f;
  --bg-input: #09101e;
  
  --border-subtle: #1e2d4a;
  --border-strong: #2c416b;
  --border-active: #0284c7;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --accent: #0284c7;
  --accent-hover: #0369a1;
  --accent-subtle: rgba(2, 132, 199, 0.15);
  
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.14);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.14);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.14);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-main: 0 4px 20px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.demo-layout {
  max-width: 1320px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Operational Posture Banner */
.posture-ticker {
  background-color: var(--bg-element);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.5rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.posture-items {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  flex-wrap: wrap;
}

.posture-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.posture-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--success);
}

/* Header */
.demo-header {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-main);
  flex-wrap: wrap;
  gap: 1rem;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-logo {
  font-size: 1.75rem;
}

.brand-text h1 {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.brand-text p {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.lang-toggle-group {
  display: inline-flex;
  align-items: center;
  background-color: var(--bg-element);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 2px;
  gap: 2px;
}

.lang-btn {
  background: transparent;
  border: none;
  font-size: 1.2rem;
  padding: 0.25rem 0.55rem;
  border-radius: 3px;
  cursor: pointer;
  line-height: 1;
  transition: all 0.15s ease;
  opacity: 0.5;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lang-btn:hover {
  opacity: 0.85;
  background-color: rgba(255, 255, 255, 0.05);
}

.lang-btn.active {
  background-color: var(--accent);
  opacity: 1;
}

.mode-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--bg-element);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
  font-weight: 500;
}

.switch {
  position: relative;
  display: inline-block;
  width: 34px;
  height: 18px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border-strong);
  transition: .2s;
  border-radius: 20px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 12px;
  width: 12px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .2s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--warning);
}

input:checked + .slider:before {
  transform: translateX(16px);
}

/* Nav Tabs */
.demo-nav {
  display: flex;
  gap: 0.35rem;
  background-color: var(--bg-card);
  padding: 0.35rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  overflow-x: auto;
}

.demo-tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.demo-tab-btn:hover {
  color: var(--text-main);
  background-color: var(--bg-element);
}

.demo-tab-btn.active {
  color: var(--text-main);
  background-color: var(--accent);
}

/* Panels */
.demo-panel {
  display: none;
  flex-direction: column;
  gap: 1.25rem;
}

.demo-panel.active {
  display: flex;
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-main);
}

.card-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.65rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.card-desc {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
  max-width: 85ch;
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

@media (max-width: 900px) {
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* Persona Selector */
.persona-selector {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
}

.persona-btn {
  background-color: var(--bg-element);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.85rem;
  color: var(--text-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.persona-btn:hover {
  background-color: var(--border-strong);
  color: var(--text-main);
}

.persona-btn.active {
  background-color: var(--accent-subtle);
  border-color: var(--accent);
  color: var(--text-main);
  font-weight: 600;
}

/* Tactical Smartcard Badge */
.pass-preview {
  background: linear-gradient(145deg, #13223f, #091224);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.pass-preview::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.pass-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1rem;
}

.smartcard-chip {
  width: 38px;
  height: 28px;
  background: linear-gradient(135deg, #e2e8f0 0%, #94a3b8 50%, #64748b 100%);
  border-radius: 4px;
  border: 1px solid #cbd5e1;
  position: relative;
}

.smartcard-chip::after {
  content: "";
  position: absolute;
  top: 6px;
  left: 6px;
  right: 6px;
  bottom: 6px;
  border: 1px solid rgba(0,0,0,0.3);
  border-radius: 2px;
}

.pass-avatar {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.pass-photo-placeholder {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: var(--bg-element);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.pass-name {
  font-size: 1.125rem;
  font-weight: 700;
}

.pass-role {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.pass-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  font-size: 0.8125rem;
}

.pass-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.pass-label {
  color: var(--text-dim);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pass-value {
  font-weight: 600;
}

/* GWO Module Badges */
.gwo-badges-row {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-top: 0.25rem;
}

.gwo-badge-pill {
  font-size: 0.6875rem;
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  font-weight: 600;
  font-family: var(--font-mono);
  background-color: var(--bg-element);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.gwo-badge-pill.valid {
  background-color: var(--success-bg);
  border-color: var(--success);
  color: var(--success);
}

.gwo-badge-pill.warning {
  background-color: var(--warning-bg);
  border-color: var(--warning);
  color: var(--warning);
}

.gwo-badge-pill.missing {
  background-color: var(--danger-bg);
  border-color: var(--danger);
  color: var(--danger);
}

.pass-qr-box {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background-color: white;
  border-radius: var(--radius-md);
  margin-top: 0.25rem;
}

/* Resolve Console */
.resolve-box {
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.resolve-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
  color: var(--text-muted);
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-success {
  background-color: var(--success-bg);
  color: var(--success);
}

.badge-warning {
  background-color: var(--warning-bg);
  color: var(--warning);
}

.badge-danger {
  background-color: var(--danger-bg);
  color: var(--danger);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.15s ease;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--accent);
  color: white;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
}

.btn-secondary {
  background-color: var(--bg-element);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background-color: var(--border-strong);
}

.btn-danger {
  background-color: var(--danger);
  color: white;
}

/* Interactive SVG Map */
.map-viewport {
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  position: relative;
  overflow: hidden;
}

.map-svg {
  width: 100%;
  height: auto;
  max-height: 420px;
}

/* Radar pulse animation */
@keyframes radar-pulse {
  0% { r: 36px; opacity: 0.8; }
  100% { r: 64px; opacity: 0; }
}

.radar-wave {
  animation: radar-pulse 2.4s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
  fill: none;
  stroke: #0284c7;
  stroke-width: 1.5;
}

/* Sea State Box */
.sea-state-bar {
  display: flex;
  gap: 1rem;
  background-color: var(--bg-element);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  color: var(--text-muted);
  align-items: center;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

/* Asset Flow Bar */
.asset-flow-bar {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.asset-flow-item {
  flex: 1;
  min-width: 160px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  transition: all 0.2s ease;
}

.asset-flow-item.active-target {
  border-color: var(--accent);
  background-color: var(--accent-subtle);
}

.asset-title {
  font-weight: 600;
  font-size: 0.8125rem;
}

.asset-pob-val {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Fatigue Scenario Presets */
.preset-bar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

/* 28-Day Fatigue Timeline */
.timeline-matrix {
  display: grid;
  grid-template-columns: repeat(14, 1fr);
  gap: 4px;
  margin: 1rem 0;
  background: var(--bg-input);
  padding: 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

@media (max-width: 768px) {
  .timeline-matrix {
    grid-template-columns: repeat(7, 1fr);
  }
}

.day-cell {
  background-color: var(--bg-element);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.2rem;
  text-align: center;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.day-cell.duty-day {
  background-color: rgba(2, 132, 199, 0.3);
  border-color: var(--accent);
  color: var(--text-main);
  font-weight: 600;
}

.day-cell.overtime-day {
  background-color: var(--danger-bg);
  border-color: var(--danger);
  color: var(--danger);
}

.day-cell.rest-day {
  background-color: var(--bg-input);
  color: var(--text-dim);
}

/* Gauge Cards & Progress */
.gauge-card {
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.gauge-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

.gauge-val {
  font-size: 1.35rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.progress-bar-wrap {
  width: 100%;
  height: 6px;
  background-color: var(--border-subtle);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 0.25rem;
}

.progress-bar-fill {
  height: 100%;
  background-color: var(--success);
  transition: width 0.3s ease;
}

/* Graphical Maritime Digital Certificate */
.credential-diploma {
  background: linear-gradient(135deg, #0e1c38 0%, #081020 100%);
  border: 2px solid #b45309;
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
}

.diploma-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(180, 83, 9, 0.4);
  padding-bottom: 0.75rem;
}

.diploma-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fef3c7;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.diploma-seal {
  font-size: 1.5rem;
  color: #f59e0b;
}

.diploma-body {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.diploma-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-top: 1px solid rgba(180, 83, 9, 0.3);
  padding-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* Code Snippet Tabs */
.code-box {
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.code-header {
  display: flex;
  background-color: var(--bg-element);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.25rem 0.5rem;
  gap: 0.25rem;
}

.code-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.4rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.code-tab-btn.active {
  background-color: var(--bg-card);
  color: var(--text-main);
}

pre {
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: #38bdf8;
  overflow-x: auto;
  max-height: 320px;
}

/* Live API Runner Results */
.api-result-panel {
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}