@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700&family=Geist+Mono:wght@400;500;600&display=swap');

:root {
  --navy-950: #0A1526;
  --navy-900: #11203A;
  --navy-800: #1B2D4D;
  --navy-700: #27354F;
  --blue-700: #245C97;
  --blue-600: #2C6CB0;
  --blue-500: #3B82C4;
  --blue-400: #409BCA;
  --steel-300: #7BA8CE;
  --steel-200: #A9C8E4;
  --steel-100: #DCE8F4;
  --steel-50:  #F0F5FA;

  --ink-900: #11161F;
  --ink-700: #2B3340;
  --ink-600: #4A5563;
  --ink-500: #69737F;
  --ink-400: #8A95A5;
  --ink-300: #AEB7C4;
  --line-200: #E6EAF0;
  --line-100: #EFF2F6;
  --paper:    #FBFCFD;
  --white:    #FFFFFF;

  --bg:        #FBFCFD;
  --bg-subtle: #F4F7FA;
  --surface:   #FFFFFF;
  --surface-2: #F7F9FC;
  --elevated:  #FFFFFF;
  --border:    #E6EAF0;
  --border-strong: #D3DAE4;

  --fg:        #11161F;
  --fg-2:      #4A5563;
  --fg-3:      #8A95A5;
  --fg-on-accent: #FFFFFF;

  --primary:        #2C6CB0;
  --primary-hover:  #245C97;
  --primary-press:  #1F4F84;
  --primary-soft:   #EAF1F8;
  --accent:         #409BCA;
  --ring:           rgba(44,108,176,0.35);

  --success: #1F8A5B;
  --warning: #B5791F;
  --danger:  #C0413B;
  --success-soft: #E7F3EC;
  --warning-soft: #F8F0E0;
  --danger-soft:  #F8E9E8;

  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;
  --r-2xl: 28px;
  --r-full: 999px;

  --s-1: 4px;  --s-2: 8px;  --s-3: 12px; --s-4: 16px;
  --s-5: 20px; --s-6: 24px; --s-8: 32px; --s-10: 40px;
  --s-12: 48px; --s-16: 64px; --s-20: 80px;

  --shadow-xs: 0 1px 2px rgba(16,33,58,0.06);
  --shadow-sm: 0 1px 3px rgba(16,33,58,0.08), 0 1px 2px rgba(16,33,58,0.04);
  --shadow-md: 0 4px 16px rgba(16,33,58,0.08), 0 2px 4px rgba(16,33,58,0.04);
  --shadow-lg: 0 12px 36px rgba(16,33,58,0.12), 0 4px 10px rgba(16,33,58,0.06);

  --font-sans: 'Geist', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, 'SF Mono', 'JetBrains Mono', monospace;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 120ms;
  --dur: 200ms;
  --dur-slow: 320ms;
}

[data-theme="dark"] {
  --bg:        #0A1526;
  --bg-subtle: #0E1B30;
  --surface:   #121F36;
  --surface-2: #16243E;
  --elevated:  #1A2A45;
  --border:    #243349;
  --border-strong: #324460;

  --fg:        #E8EEF6;
  --fg-2:      #A7B4C6;
  --fg-3:      #6E7E96;
  --fg-on-accent: #06101F;

  --primary:        #4F9BD6;
  --primary-hover:  #6BAEE0;
  --primary-press:  #3B82C4;
  --primary-soft:   #152B45;
  --accent:         #5FB0DC;
  --ring:           rgba(95,176,220,0.40);

  --success: #4DBE8A; --warning: #E0B056; --danger: #E27772;
  --success-soft: #122C22; --warning-soft: #2E2616; --danger-soft: #2E1A19;

  --shadow-xs: 0 1px 2px rgba(0,0,0,0.30);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.40), 0 1px 2px rgba(0,0,0,0.30);
  --shadow-md: 0 4px 18px rgba(0,0,0,0.45), 0 2px 4px rgba(0,0,0,0.30);
  --shadow-lg: 0 14px 40px rgba(0,0,0,0.55), 0 4px 12px rgba(0,0,0,0.40);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  background: var(--bg);
  color: var(--fg);
  overflow: hidden;
}
::selection { background: var(--steel-200); }

/* Scrollbar */
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 999px; border: 3px solid var(--bg); }

/* ---- App shell ---- */
.app {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  background: var(--bg);
}

/* ---- Header ---- */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px max(16px, 4vw);
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 5;
}

.header-logo img {
  height: 26px;
  display: block;
  transition: opacity var(--dur) var(--ease);
}

.theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--fg-2);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur) var(--ease);
}
.theme-toggle:hover {
  background: var(--surface-2);
  border-color: var(--border-strong);
}

/* ---- Tabs ---- */
.tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  padding: 0 max(16px, 4vw);
}
.tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 14px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-3);
  transition: color var(--dur) var(--ease);
}
.tab-btn:hover { color: var(--fg-2); }
.tab-btn.active {
  font-weight: 600;
  color: var(--primary);
  border-bottom-color: var(--primary);
}
.tab-btn.active:hover { color: var(--primary); }

.tab-pill {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--surface-2);
  color: var(--fg-3);
  border-radius: var(--r-full);
  padding: 3px 8px;
  line-height: 1;
}

/* ---- Views ---- */
.view { display: none; flex: 1; min-height: 0; }
.view.active { display: flex; flex-direction: column; }

/* ---- Chat view ---- */
.chat-scroll {
  flex: 1;
  overflow-y: auto;
  scroll-behavior: smooth;
}
.chat-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 24px 24px;
  display: flex;
  flex-direction: column;
}

/* Hero / empty state */
.chat-inner.empty {
  padding: 0 24px;
  min-height: 100%;
  justify-content: center;
}
.hero { text-align: left; padding-bottom: 40px; }
.hero-eyebrow {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  line-height: 1;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 18px;
}
.hero h1 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: clamp(30px, 4.4vw, 44px);
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: var(--fg);
}
.hero p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--fg-2);
  max-width: 520px;
  margin-top: 16px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

/* Quick action chips */
.quick-action {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  padding: 9px 15px;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--fg-2);
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  white-space: nowrap;
}
.quick-action:hover {
  background: var(--primary-soft);
  border-color: var(--steel-200);
  color: var(--primary-press);
}
.quick-action i { color: var(--primary); }

/* Messages */
.msg-user {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 18px;
}
.msg-user-bubble {
  background: var(--primary);
  color: var(--fg-on-accent);
  padding: 11px 16px;
  border-radius: 16px 16px 5px 16px;
  font-size: 14.5px;
  line-height: 1.5;
  max-width: 78%;
  word-wrap: break-word;
}

.msg-ai {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  margin-bottom: 22px;
}
.msg-ai-avatar {
  width: 30px;
  height: 30px;
  border-radius: var(--r-full);
  background: var(--primary-soft);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
  overflow: hidden;
}
.msg-ai-avatar img {
  width: 18px;
  height: 18px;
  object-fit: contain;
}
.msg-ai-body {
  max-width: 82%;
}
.msg-ai-text {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--fg);
  word-wrap: break-word;
}
.msg-ai-text p { margin: 0 0 4px; }
.msg-ai-text br + br { display: none; }
.msg-ai-text h3, .msg-ai-text h4 { margin: 12px 0 4px; font-size: 14.5px; font-weight: 600; }
.msg-ai-text hr { border: none; border-top: 1px solid var(--border); margin: 10px 0; }
.msg-ai-text ul { margin: 4px 0; padding-left: 20px; }
.msg-ai-text li { margin: 2px 0; }
.msg-ai-text code { font-family: var(--font-mono); font-size: 13px; background: var(--surface-2); padding: 1px 4px; border-radius: 3px; }
.md-table-wrap {
  overflow-x: auto; margin: 8px 0; -webkit-overflow-scrolling: touch;
}
.md-table {
  width: 100%; border-collapse: collapse; font-size: 13px; min-width: 360px;
}
.md-table th, .md-table td {
  text-align: left; padding: 6px 10px; border: 1px solid var(--border); white-space: nowrap;
}
.md-table th {
  font-weight: 600; background: var(--surface-2); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.04em;
}
.md-table tr:nth-child(even) { background: var(--surface-2); }

/* Vessel table */
.vessel-table {
  margin-top: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.vessel-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-top: 1px solid var(--border);
}
.vessel-row:first-child { border-top: none; }
.vessel-row:nth-child(even) { background: var(--surface-2); }
.vessel-row:nth-child(odd) { background: var(--surface); }
.vessel-info { flex: 1; min-width: 0; }
.vessel-name {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--fg);
}
.vessel-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  margin-top: 2px;
}
.vessel-time {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--fg-2);
  font-variant-numeric: tabular-nums;
}
.vessel-status {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  border-radius: var(--r-full);
  padding: 4px 9px;
  letter-spacing: 0.02em;
}
.vessel-status.arrived, .vessel-status.berthed {
  background: var(--success-soft); color: var(--success);
}
.vessel-status.delayed {
  background: var(--warning-soft); color: var(--warning);
}
.vessel-status.underway, .vessel-status.anchorage {
  background: var(--primary-soft); color: var(--primary);
}

/* Token cost */
.token-cost { margin-top: 10px; }
.token-cost-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px 0;
  color: var(--fg-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}
.token-cost-details {
  display: none;
  gap: 18px;
  margin-top: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-2);
  font-variant-numeric: tabular-nums;
}
.token-cost-details.open { display: flex; }
.token-cost-details .label { color: var(--fg-3); }
.token-cost-details .cost { color: var(--primary); }

/* Thinking dots */
.thinking {
  display: flex;
  gap: 5px;
  padding: 6px 2px;
}
.thinking span {
  width: 7px;
  height: 7px;
  border-radius: var(--r-full);
  background: var(--steel-300);
  animation: cp-pulse 1.2s infinite ease-in-out;
}
.thinking span:nth-child(2) { animation-delay: 0.18s; }
.thinking span:nth-child(3) { animation-delay: 0.36s; }

/* ---- Composer ---- */
.composer-area {
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.composer-area.no-border { border-top: none; }
.composer-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 14px 24px 18px;
}
.composer-quick {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.composer-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  padding: 8px 8px 8px 16px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.composer-box.focused {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--ring);
}
.composer-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--fg);
}
.composer-input::placeholder { color: var(--fg-3); }
.composer-send {
  width: 40px;
  height: 40px;
  border-radius: var(--r-md);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur) var(--ease);
  flex-shrink: 0;
  background: var(--surface-2);
  color: var(--fg-3);
}
.composer-send.ready {
  background: var(--primary);
  color: #fff;
  cursor: pointer;
}
.composer-send:disabled { cursor: default; }

.composer-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}
.composer-disclaimer {
  font-size: 11.5px;
  color: var(--fg-3);
  text-align: center;
}
/* Powered-by badge — header version */
.powered-header-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  padding: 5px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
}
.powered-label {
  font-family: var(--font-sans);
  font-size: 9px;
  letter-spacing: 0.06em;
  color: var(--fg-3);
  line-height: 1;
}
.powered-header-badge img {
  height: 12px;
  display: block;
  opacity: 0.85;
}

/* ---- Coming Soon views ---- */
.coming-soon {
  height: 100%;
  overflow-y: auto;
}
.coming-soon-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: clamp(40px, 7vh, 90px) 24px 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.coming-soon-pill {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--surface-2);
  color: var(--fg-3);
  border-radius: var(--r-full);
  padding: 3px 8px;
  line-height: 1;
}
.coming-soon h2 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: clamp(26px, 3.6vw, 36px);
  letter-spacing: -0.025em;
  color: var(--fg);
  margin: 18px 0 0;
}
.coming-soon p {
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--fg-2);
  max-width: 480px;
  margin-top: 14px;
}

/* Beat dots (used in MCP workflow) */
.beat-dots { display: flex; gap: 6px; }
.beat-dot {
  height: 6px;
  border-radius: var(--r-full);
  background: var(--border-strong);
  transition: all var(--dur) var(--ease);
  width: 6px;
}
.beat-dot.active { width: 16px; background: var(--primary); }
.map-not-live {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-3);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  padding: 4px 11px;
  border-radius: var(--r-full);
  backdrop-filter: blur(2px);
}

/* MCP workflow */
.workflow-container {
  margin-top: 44px;
  width: 100%;
  max-width: 760px;
}
.workflow-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}
.wf-node {
  border-radius: 12px;
  padding: 14px 16px;
  min-width: 150px;
  text-align: left;
  transition: opacity 0.4s var(--ease), background 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  opacity: 0.5;
}
.wf-node.active {
  background: var(--primary-soft);
  border-color: var(--steel-300);
  box-shadow: var(--shadow-md);
  opacity: 1;
  animation: wf-pop 0.45s var(--ease-out);
}
.wf-node-header {
  display: flex;
  align-items: center;
  gap: 8px;
}
.wf-node-header i { color: var(--fg-3); }
.wf-node.active .wf-node-header i { color: var(--primary); }
.wf-node-title {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--fg-2);
}
.wf-node.active .wf-node-title { color: var(--fg); }
.wf-node-sub {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--fg-3);
  margin-top: 6px;
}
.wf-connector {
  position: relative;
  flex-shrink: 0;
  width: 34px;
  height: 2px;
  background: var(--border-strong);
  border-radius: 2px;
  margin: 0 4px;
  transition: background 0.4s var(--ease);
}
.wf-connector.active { background: var(--primary); }
.wf-connector.active::after {
  content: '';
  position: absolute;
  top: -2px;
  width: 6px;
  height: 6px;
  border-radius: var(--r-full);
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
  animation: wf-flow 1s var(--ease) infinite;
}
.wf-connector.vertical {
  width: 2px;
  height: 22px;
  margin: 2px auto;
}
.wf-connector.vertical.active::after { display: none; }
.wf-api-stack { display: flex; flex-direction: column; gap: 8px; }
.wf-indicators {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
}

/* ===================== VESSEL MAP ===================== */

/* Map view — uses flex display when active */
#view-map.active { display: flex; }

/* Mapbox control overrides */
.mapboxgl-ctrl-attrib { font-size: 9px !important; opacity: 0.5; }
.mapboxgl-ctrl-attrib a { color: #8B95A5 !important; }
.mapboxgl-ctrl-group {
  background: rgba(255,255,255,0.92) !important;
  border: 1px solid rgba(0,0,0,0.08) !important;
  border-radius: 8px !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08) !important;
}
.mapboxgl-ctrl-group button {
  width: 34px !important; height: 34px !important;
  border-color: rgba(0,0,0,0.06) !important;
}
.mapboxgl-ctrl-group button + button { border-top: 1px solid rgba(0,0,0,0.06) !important; }
.mapboxgl-ctrl-group button:hover { background: rgba(0,0,0,0.04) !important; }
[data-theme="dark"] .mapboxgl-ctrl-group {
  background: rgba(18,31,54,0.92) !important;
  border-color: #243349 !important;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3) !important;
}
[data-theme="dark"] .mapboxgl-ctrl-group button { border-color: #243349 !important; }
[data-theme="dark"] .mapboxgl-ctrl-group button + button { border-top-color: #243349 !important; }
[data-theme="dark"] .mapboxgl-ctrl-group button:hover { background: rgba(36,51,73,0.8) !important; }
[data-theme="dark"] .mapboxgl-ctrl-group button .mapboxgl-ctrl-icon {
  filter: invert(0.75) sepia(0.1) hue-rotate(180deg) brightness(1.2);
}
[data-theme="dark"] .mapboxgl-ctrl-attrib a { color: #5A6E88 !important; }

/* Sidebar divider */
.vm-divider {
  width: 6px; cursor: col-resize; flex-shrink: 0;
  position: relative; z-index: 3;
  background: transparent;
  transition: background 0.15s ease;
}
.vm-divider:hover, .vm-divider.active { background: var(--primary); }
.vm-divider-grip {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 4px; height: 32px; border-radius: 2px;
  background: var(--border-strong);
  transition: background 0.15s ease;
}
.vm-divider:hover .vm-divider-grip, .vm-divider.active .vm-divider-grip {
  background: rgba(255,255,255,0.5);
}

/* Empty-state overlay */
.vm-empty-overlay {
  position: absolute; inset: 0; z-index: 2;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px;
  background: rgba(251,252,253,0.28);
  backdrop-filter: blur(2px); -webkit-backdrop-filter: blur(2px);
  transition: opacity 1.2s cubic-bezier(0.16,1,0.3,1);
}
[data-theme="dark"] .vm-empty-overlay { background: rgba(10,21,38,0.28); }

.vm-radar {
  position: relative; width: 52px; height: 52px;
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.vm-ping {
  position: absolute; inset: 0; border-radius: 999px;
  border: 1.5px solid rgba(44,108,176,0.2);
  animation: empty-ping 2.4s ease-out infinite;
}
.vm-ping-delayed { animation-delay: 0.6s; }
.vm-radar-center {
  width: 52px; height: 52px; border-radius: 999px;
  display: flex; align-items: center; justify-content: center;
}
.vm-overlay-text {
  text-align: center; max-width: 300px;
  transition: opacity 0.8s ease 0.1s, transform 0.8s ease 0.1s;
}
.vm-overlay-title {
  font-family: var(--font-sans); font-size: 15px; font-weight: 600;
  letter-spacing: -0.01em; line-height: 1.4;
}
.vm-overlay-sub {
  font-family: var(--font-sans); font-size: 12.5px;
  line-height: 1.5; margin-top: 6px;
}
.vm-overlay-hint {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.06em;
  transition: opacity 0.6s ease 0.05s;
}

@keyframes empty-ping {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}

/* Toolbar */
.vm-toolbar {
  position: absolute; top: 14px; left: 14px; display: flex; gap: 4px; z-index: 2;
}
.vm-toolbar-btn {
  display: flex; align-items: center; gap: 6px;
  border: 1px solid rgba(0,0,0,0.08); border-radius: 8px;
  padding: 7px 11px; cursor: pointer;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  transition: all 0.2s ease;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.04em;
}
.vm-toolbar-btn.active {
  background: var(--primary) !important;
  border-color: var(--primary) !important;
  color: #fff !important;
}

/* Legend */
.vm-legend {
  position: absolute; bottom: 14px; left: 14px;
  border: 1px solid rgba(0,0,0,0.08); border-radius: 10px;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  z-index: 2; overflow: hidden;
  animation: popup-in 0.25s cubic-bezier(0.16,1,0.3,1) both;
}
.vm-legend-header {
  display: flex; align-items: center; gap: 7px; width: 100%;
  background: none; border: none; cursor: pointer;
  padding: 9px 14px 0;
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.14em;
  text-transform: uppercase; text-align: left;
}
.vm-legend-chevron {
  font-size: 11px; transition: transform 0.2s ease; line-height: 1;
}
.vm-legend-chevron.collapsed { transform: rotate(180deg); }
.vm-legend-body { padding: 7px 14px 10px; }
.vm-legend-body.collapsed { display: none; }
.vm-legend-item {
  display: flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 10.5px;
  margin-bottom: 4px;
}
.vm-legend-item:last-of-type { margin-bottom: 0; }
.vm-legend-count {
  font-family: var(--font-mono); font-size: 10px;
  margin-top: 7px; padding-top: 7px;
  border-top: 1px solid rgba(0,0,0,0.08);
}

/* Popup */
.vm-popup {
  position: absolute; z-index: 10; width: 276px;
  border: 1px solid; border-radius: 12px;
  padding: 14px 16px;
  animation: popup-in 0.22s cubic-bezier(0.16,1,0.3,1) both;
  font-family: var(--font-sans); pointer-events: auto;
}
.vm-popup-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.vm-popup-name {
  font-size: 14px; font-weight: 600; letter-spacing: -0.01em;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.vm-popup-meta {
  display: flex; align-items: center; gap: 8px; margin-top: 4px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
}
.vm-popup-dot {
  display: inline-block; width: 6px; height: 6px; border-radius: 999px;
  margin-right: 5px;
}
.vm-popup-close {
  width: 24px; height: 24px; border-radius: 6px; border: none;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  font-size: 15px; line-height: 1; flex-shrink: 0;
}
.vm-popup-row {
  display: flex; gap: 20px; margin-top: 12px;
  font-family: var(--font-mono); font-size: 12px;
  font-variant-numeric: tabular-nums;
}
.vm-popup-label {
  font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 2px;
}
.vm-popup-expanded {
  margin-top: 12px; padding-top: 12px;
  border-top: 1px solid;
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px 14px;
  font-family: var(--font-mono); font-size: 12px;
  font-variant-numeric: tabular-nums;
}
.vm-popup-expand {
  background: none; border: none; color: #4F9BD6; cursor: pointer;
  font-family: var(--font-mono); font-size: 11px;
  padding: 10px 0 0; display: flex; align-items: center; gap: 4px;
}

@keyframes popup-in {
  from { opacity: 0; transform: translateY(6px) scale(0.96); }
  to   { opacity: 1; transform: none; }
}

/* Sidebar */
.vm-sidebar {
  display: flex; flex-direction: column; height: 100%;
  background: var(--bg); border-left: 1px solid var(--border);
}
.vm-sidebar-header {
  padding: 13px 16px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px; flex-shrink: 0;
}
.vm-sidebar-header-icon {
  width: 28px; height: 28px; border-radius: 999px; background: var(--primary-soft);
  display: flex; align-items: center; justify-content: center;
}
.vm-sidebar-header span {
  font-size: 14px; font-weight: 600; color: var(--fg); letter-spacing: -0.01em;
}
.vm-prompts {
  padding: 8px 12px; border-bottom: 1px solid var(--border);
  display: flex; flex-wrap: wrap; gap: 5px; flex-shrink: 0;
}
.vm-prompt {
  display: inline-flex; align-items: center; gap: 5px; background: var(--surface);
  border: 1px solid var(--border); border-radius: 999px; padding: 5px 10px;
  font-family: var(--font-sans); font-size: 11.5px; font-weight: 500; color: var(--fg-2);
  cursor: pointer; transition: all 200ms ease; white-space: nowrap;
}
.vm-prompt:hover {
  background: var(--primary-soft); border-color: var(--steel-200); color: var(--primary);
}
.vm-prompt:disabled { cursor: default; opacity: 0.6; }
.vm-chat-messages { flex: 1; overflow-y: auto; padding: 14px 12px; min-height: 0; display: flex; flex-direction: column; }
.vm-chat-messages:has(.vm-sidebar-empty) { justify-content: center; }
.vm-sidebar-empty { text-align: center; padding: 16px 12px; }
.vm-sidebar-empty-icon {
  width: 36px; height: 36px; border-radius: 999px; background: var(--primary-soft);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 10px; overflow: hidden;
}

/* Chat messages in sidebar */
.vm-msg-user { display: flex; justify-content: flex-end; margin-bottom: 14px; }
.vm-msg-user-bubble {
  background: var(--primary); color: var(--fg-on-accent); padding: 9px 14px;
  border-radius: 14px 14px 4px 14px; font-size: 13.5px; line-height: 1.5; max-width: 88%;
}
.vm-msg-ai { display: flex; gap: 9px; align-items: flex-start; margin-bottom: 16px; }
.vm-msg-avatar {
  width: 26px; height: 26px; border-radius: 999px; background: var(--primary-soft);
  flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  margin-top: 1px; overflow: hidden;
}
.vm-msg-avatar img { width: 15px; height: 15px; object-fit: contain; }
.vm-msg-body { max-width: 85%; min-width: 0; }
.vm-msg-text { font-size: 13.5px; line-height: 1.55; color: var(--fg); }
.vm-msg-li { position: relative; padding-left: 14px; }
.vm-msg-li::before { content: '\2022'; position: absolute; left: 2px; color: var(--primary); }

/* Usage toggle in sidebar */
.vm-usage { margin-top: 8px; }
.vm-usage-toggle {
  display: inline-flex; align-items: center; gap: 6px;
  background: none; border: none; cursor: pointer; padding: 2px 0;
  color: var(--fg-3); font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.06em;
}
.vm-usage-details {
  display: none; gap: 14px; margin-top: 5px;
  font-family: var(--font-mono); font-size: 11px; color: var(--fg-2);
  font-variant-numeric: tabular-nums;
}
.vm-usage-details.open { display: flex; }

/* Composer in sidebar */
.vm-composer { padding: 10px 12px 12px; border-top: 1px solid var(--border); flex-shrink: 0; }
.vm-composer-box {
  display: flex; align-items: center; gap: 8px;
  background: var(--surface); border: 1px solid var(--border-strong);
  border-radius: 12px; padding: 6px 6px 6px 14px;
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.vm-composer-box.focused { border-color: var(--primary); box-shadow: 0 0 0 3px var(--ring); }
.vm-composer-input {
  flex: 1; border: none; outline: none; background: transparent;
  font-family: var(--font-sans); font-size: 13.5px; color: var(--fg); min-width: 0;
}
.vm-composer-input::placeholder { color: var(--fg-3); }
.vm-composer-send {
  width: 34px; height: 34px; border-radius: 8px; border: none;
  cursor: default; background: var(--surface-2); color: var(--fg-3);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--dur) var(--ease); flex-shrink: 0;
}
.vm-composer-send.ready { background: var(--primary); color: #fff; cursor: pointer; }
.vm-source-label {
  font-size: 9.5px; color: var(--fg-3); text-align: center; margin-top: 10px;
  font-family: var(--font-mono); letter-spacing: 0.04em;
}

/* Mobile bottom sheet */
.vm-mobile-chat-toggle {
  position: absolute; bottom: 16px; right: 16px; z-index: 4;
  width: 50px; height: 50px; border-radius: 999px;
  background: var(--primary); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25); color: #fff;
  animation: popup-in 0.25s cubic-bezier(0.16,1,0.3,1);
}
.vm-mobile-sheet {
  position: absolute; bottom: 0; left: 0; right: 0; z-index: 5;
  height: 0; min-height: 0; max-height: 0; overflow: hidden;
  transition: height 0.35s cubic-bezier(0.16,1,0.3,1), min-height 0.35s cubic-bezier(0.16,1,0.3,1), max-height 0.35s cubic-bezier(0.16,1,0.3,1);
  border-radius: 0;
  box-shadow: none;
  background: var(--bg);
}
.vm-mobile-sheet.open {
  height: 60%; min-height: 300px; max-height: 75%;
  border-radius: 16px 16px 0 0;
  box-shadow: 0 -4px 24px rgba(0,0,0,0.15);
}
.vm-sheet-handle {
  display: flex; align-items: center; justify-content: center;
  padding: 8px 0 0; background: var(--bg); flex-shrink: 0;
}
.vm-sheet-pill {
  width: 36px; height: 4px; border-radius: 999px; border: none;
  background: var(--border-strong); cursor: pointer;
}

/* ---- Animations ---- */
@keyframes cp-pulse {
  0%, 100% { opacity: 0.3; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(-2px); }
}
@keyframes cp-rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
@keyframes cp-hero-up {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-44px); }
}
.cp-enter { animation: cp-rise var(--dur-slow) var(--ease-out) both; }
.cp-hero-exit { animation: cp-hero-up 720ms var(--ease-out) both; }

@keyframes wf-flow {
  0% { left: 2px; opacity: 0; }
  18% { opacity: 1; }
  82% { opacity: 1; }
  100% { left: calc(100% - 8px); opacity: 0; }
}
@keyframes wf-pop {
  0% { transform: scale(0.95); }
  55% { transform: scale(1.04); }
  100% { transform: scale(1); }
}

/* MCP mobile vertical layout */
.wf-mobile { display: none; }
.workflow-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  max-width: 360px;
  margin: 0 auto;
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .wf-desktop { display: none; }
  .wf-mobile { display: block; }
  .mcp-heading { font-size: clamp(24px, 5vw, 32px) !important; }
  .mcp-desc { font-size: 15px !important; }
}
@media (max-width: 768px) {
  .tab-label-text { display: none; }
  .header-meta { display: none; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .composer-quick { flex-direction: column; align-items: flex-start; }
  .powered-header-badge {
    flex-direction: column; gap: 2px; align-items: center;
    padding: 4px 10px; height: 36px; justify-content: center; box-sizing: border-box;
  }
  .powered-header-badge img { height: 11px; }
  .powered-label { font-size: 8px; }
  .mapboxgl-ctrl-group { margin: 8px !important; }
  .mapboxgl-ctrl-group button { width: 30px !important; height: 30px !important; }

  .chat-inner { padding: 20px 16px 16px; }
  .chat-inner.empty { padding: 0 16px; }
  .composer-inner { padding: 12px 16px 14px; }
  .msg-ai-body { max-width: 90%; }
  .msg-user-bubble { max-width: 88%; }
  .hero h1 { font-size: clamp(26px, 7vw, 36px); }
  .md-table td { white-space: normal; min-width: 80px; }
  .vm-timeline { padding: 10px 12px; gap: 8px; }
  .vm-timeline-presets { gap: 2px; }
  .vm-timeline-preset { padding: 3px 8px; font-size: 10px; }
  .vm-timeline-time { font-size: 11px; min-width: 40px; }
  /* Static "24h" chip is redundant on mobile and steals track width — hide it. */
  .vm-timeline-preset-label, .vm-timeline-divider { display: none; }
}

/* ===================== TRAIL TIMELINE ===================== */
.vm-timeline {
  position: absolute; bottom: 14px; left: 14px; right: 14px; z-index: 8;
  display: flex; align-items: center; gap: 12px;
  padding: 10px 16px;
  border-radius: 12px;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  animation: slide-up 0.3s cubic-bezier(0.16,1,0.3,1) both;
  pointer-events: auto;
}
.vm-timeline-play {
  width: 32px; height: 32px; border-radius: 999px; border: none;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; flex-shrink: 0; transition: all 0.15s ease;
}
.vm-timeline-play:hover { transform: scale(1.08); }
.vm-timeline-play:active { transform: scale(0.96); }

.vm-timeline-track-wrap {
  flex: 1; min-width: 0; position: relative; height: 32px;
  display: flex; flex-direction: column; justify-content: center;
}
.vm-timeline-track {
  width: 100%; height: 4px; border-radius: 999px;
  position: relative; cursor: pointer;
}
.vm-timeline-segments {
  position: absolute; inset: 0; border-radius: 999px; overflow: hidden;
  pointer-events: none;
}
.vm-timeline-progress {
  position: absolute; top: 0; left: 0; height: 100%; border-radius: 999px;
  pointer-events: none;
}
.vm-timeline-handle {
  position: absolute; top: 50%; width: 14px; height: 14px;
  border-radius: 999px; transform: translate(-50%, -50%);
  cursor: grab; transition: box-shadow 0.15s ease;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.vm-timeline-handle:active { cursor: grabbing; box-shadow: 0 2px 8px rgba(0,0,0,0.3); }

.vm-timeline-ticks {
  position: relative; left: 0; right: 0; height: 16px; margin-top: 4px;
  pointer-events: none;
}
.vm-timeline-tick {
  display: flex; flex-direction: column; align-items: center; gap: 1px;
  transform: translateX(-50%);
}
.vm-timeline-tick-line {
  width: 1px; height: 6px;
}
.vm-timeline-tick-label {
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.04em;
  white-space: nowrap;
}

.vm-timeline-time {
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  font-variant-numeric: tabular-nums; min-width: 44px; text-align: center;
  flex-shrink: 0;
}
.vm-timeline-presets {
  display: flex; gap: 3px; flex-shrink: 0;
}
.vm-timeline-preset {
  padding: 4px 10px; border-radius: 6px; border: none;
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  cursor: pointer; transition: all 0.15s ease;
}
.vm-timeline-divider {
  width: 1px; height: 20px; flex-shrink: 0;
}
.vm-timeline-close {
  width: 28px; height: 28px; border-radius: 8px; border: none;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 16px; line-height: 1; flex-shrink: 0;
  transition: all 0.15s ease;
}

/* Trail card (compact vessel info during trail mode) */
.vm-trail-card {
  position: absolute; top: 14px; left: 14px; z-index: 8;
  width: 240px; border-radius: 10px; border: 1px solid;
  padding: 12px 14px;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  animation: popup-in 0.25s cubic-bezier(0.16,1,0.3,1) both;
  font-family: var(--font-sans);
}
.vm-trail-card-name {
  font-size: 13px; font-weight: 600; letter-spacing: -0.01em;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.vm-trail-card-meta {
  display: flex; align-items: center; gap: 8px; margin-top: 3px;
  font-family: var(--font-mono); font-size: 10px; font-weight: 500;
}
.vm-trail-card-grid {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 6px 10px;
  margin-top: 8px; font-family: var(--font-mono); font-size: 11px;
  font-variant-numeric: tabular-nums;
}
.vm-trail-card-label {
  font-size: 8px; letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 1px;
}

@keyframes slide-up {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}

/* Trail start/end endpoint markers */
.vm-trail-endpoint {
  width: 10px; height: 10px; border-radius: 50%; position: relative;
}
.vm-trail-endpoint::after {
  content: ''; position: absolute; inset: -6px; border-radius: 50%;
  border: 1.5px solid; opacity: 0;
  animation: trail-pulse 2s ease-in-out infinite;
}
.vm-trail-start { background: #4DBE8A; }
.vm-trail-start::after { border-color: #4DBE8A; }
.vm-trail-end { background: #E27772; }
.vm-trail-end::after { border-color: #E27772; }
.vm-trail-glow {
  width: 0; height: 0; background: transparent;
}
.vm-trail-glow::after {
  content: ''; position: absolute; inset: -18px; border-radius: 50%;
  border: 2px solid #409BCA; opacity: 0;
  animation: trail-pulse 1.8s ease-in-out infinite;
}
.vm-trail-glow::before {
  content: ''; position: absolute; inset: -12px; border-radius: 50%;
  border: 1.5px solid #409BCA; opacity: 0;
  animation: trail-pulse 1.8s ease-in-out 0.4s infinite;
}
.vm-trail-glow.moving::after, .vm-trail-glow.moving::before { border-color: #4DBE8A; }
.vm-trail-glow.still::after, .vm-trail-glow.still::before { border-color: #E27772; }
.vm-trail-glow.gap::after, .vm-trail-glow.gap::before { border-color: #9AA7B8; }

@keyframes trail-pulse {
  0% { opacity: 0; transform: scale(0.6); }
  50% { opacity: 0.6; }
  100% { opacity: 0; transform: scale(1.6); }
}

/* "View movement" button in popup */
.vm-popup-trail-btn {
  display: flex; align-items: center; gap: 5px; width: 100%;
  margin-top: 8px; padding: 7px 0 0; border: none; border-top: 1px solid;
  background: none; cursor: pointer;
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  color: var(--primary); transition: opacity 0.15s ease;
}
.vm-popup-trail-btn:hover { opacity: 0.8; }