/* CetaScope — design tokens & base styles (dark only) */

:root {
  /* Paper / ink — midnight ocean, lifted */
  --paper:   #152C46;
  --paper-2: #1B3454;
  --paper-3: #254066;
  --paper-4: #2E4D78;
  --card:    #1F385A;
  --ink:     #F3ECD9;
  --ink-2:   #D2C8AE;
  --muted:   #9DACBF;
  --muted-2: #6F7D91;
  --rule:    #314866;
  --rule-2:  #263D5C;

  /* Ocean palette */
  --abyss: #0B1C30;
  --deep:  #163657;
  --ocean: #4587C2;
  --tide:  #6FA4D2;
  --foam:  #9DC4E0;
  --mist:  #335474;

  /* Accents */
  --brass: #D2B673;
  --kelp:  #8AAE82;
  --coral: #E07856;
  --sand:  #DCC899;

  /* Type */
  --serif: "Newsreader", "Source Serif Pro", Georgia, serif;
  --sans:  "IBM Plex Sans", "Söhne", -apple-system, sans-serif;
  --mono:  "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;

  /* Geometry */
  --r-sm: 4px;
  --r:    8px;
  --r-lg: 14px;
  --r-xl: 22px;
  --shadow-1: 0 1px 0 rgba(0,0,0,0.3);
  --shadow-2: 0 2px 4px rgba(0,0,0,0.25), 0 8px 22px rgba(0,0,0,0.3);
  --shadow-3: 0 12px 40px rgba(0,0,0,0.4);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.45;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01", "cv11";
}

#root { height: 100vh; overflow: hidden; }

/* Type helpers */
.serif { font-family: var(--serif); font-weight: 400; letter-spacing: -0.005em; }
.mono  { font-family: var(--mono); }
.eyebrow {
  font-family: var(--sans); font-size: 11px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted);
}
.italic-fr { font-style: italic; color: var(--muted); }

/* Buttons */
button { font-family: inherit; cursor: pointer; }

.btn {
  font-family: var(--sans);
  font-size: 13px;
  border: 1px solid var(--rule);
  background: var(--card);
  color: var(--ink);
  padding: 8px 14px;
  border-radius: var(--r);
  display: inline-flex; align-items: center; gap: 8px;
  transition: background 120ms ease, border-color 120ms ease, transform 120ms ease;
}
.btn:hover { background: var(--paper-3); border-color: var(--ink-2); }
.btn-primary {
  background: var(--ink); color: var(--paper);
  border-color: var(--ink);
}
.btn-primary:hover { background: var(--deep); border-color: var(--deep); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-ghost:hover { background: var(--paper-3); color: var(--ink); }

/* Chips & pills */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; padding: 6px 12px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--ink-2);
  background: var(--card);
}
.chip-mono { font-family: var(--mono); font-size: 12px; }

/* IUCN status colors */
.iucn { display: inline-flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 11px; }
.iucn-dot { width: 8px; height: 8px; border-radius: 2px; display: inline-block; }
.iucn-EX, .iucn-EW { --c: #4A2E1A; }
.iucn-CR { --c: #B7251A; }
.iucn-EN { --c: #D9622A; }
.iucn-VU { --c: #C99846; }
.iucn-NT { --c: #97A861; }
.iucn-LC { --c: #4F7C4A; }
.iucn-DD { --c: #6E7884; }
.iucn-NE { --c: #B8B0A0; }
.iucn-dot { background: var(--c); }

/* Scrollbars (subtle) */
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-thumb { background: var(--rule); border-radius: 8px; }
*::-webkit-scrollbar-track { background: transparent; }

/* Divider */
.rule { height: 1px; background: var(--rule); border: 0; }

/* Subtle texture */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: radial-gradient(rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 3px 3px;
}

/* App shell */
.app {
  position: relative; z-index: 1;
  display: grid;
  grid-template-rows: 56px 1fr 34px;
  height: 100vh;
}

.app-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-top: 1px solid var(--rule);
  background: var(--paper-2);
  font-size: 11px;
  color: var(--muted);
  font-family: var(--mono);
  letter-spacing: 0.04em;
  gap: 16px;
  white-space: nowrap;
  overflow: hidden;
}
.app-footer a {
  color: var(--muted);
  text-decoration: none;
}
.app-footer a:hover { color: var(--ink); }
.app-footer-sources { display: flex; align-items: center; gap: 14px; }
.app-footer-sources span { display: flex; align-items: center; gap: 5px; }
.app-footer-dot {
  display: inline-block;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--rule);
  flex-shrink: 0;
}
.app-footer-right { display: flex; align-items: center; gap: 16px; }

.header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px solid var(--rule);
  background: var(--paper-2);
  position: relative;
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { width: 44px; height: 44px; object-fit: contain; display: block; }
.brand-name { font-family: var(--serif); font-size: 19px; letter-spacing: -0.015em; }
.brand-name .lo { color: var(--muted); }

.header-right { display: flex; align-items: center; gap: 14px; color: var(--muted); font-size: 12px; }
.header-right .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--kelp); }

.workspace {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 0;
  overflow: hidden;
  transition: grid-template-columns 0.22s ease;
}
.workspace.chat-collapsed {
  grid-template-columns: 1fr 40px;
}

.viz-pane {
  position: relative;
  overflow: hidden;
  background: var(--paper);
  border-right: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
}
.viz-pane > .viz-nav-bar { flex-shrink: 0; }
.viz-pane > .viz-header { flex-shrink: 0; }
.viz-pane > .viz-body,
.viz-pane > .home { flex: 1; min-height: 0; }

.chat-panel {
  display: flex; flex-direction: column;
  background: var(--paper-2);
  overflow: hidden;
}
.chat-panel--collapsed {
  align-items: center;
  padding-top: 12px;
  border-left: 1px solid var(--rule);
}
.chat-reopen-btn {
  width: 32px; height: 32px;
}

/* Viz header */
.viz-header {
  padding: 28px 40px 18px;
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--rule-2);
}
.viz-header-titles { min-width: 0; flex: 1; }
.viz-header h1 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(28px, 2.6vw, 40px); line-height: 1.05; margin: 0;
  letter-spacing: -0.022em;
}
.viz-header .sub {
  font-size: 14px; color: var(--muted);
  margin-top: 6px;
  display: flex; align-items: center; gap: 10px;
}
.viz-header .sub span + span::before {
  content: " · "; color: var(--muted-2); white-space: pre;
}
.viz-body { position: relative; }

/* Viz navigation bar */
.viz-nav-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 28px;
  border-bottom: 1px solid var(--rule-2);
  background: var(--paper-2);
  gap: 16px;
}
.viz-nav-left { display: flex; align-items: center; gap: 8px; }
.vnav-btn {
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--ink-2);
  padding: 6px 12px;
  border-radius: 6px;
  font-family: var(--sans);
  font-size: 12.5px;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 7px;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}
.vnav-btn:hover:not(:disabled) {
  background: var(--paper-3);
  color: var(--ink);
  border-color: var(--foam);
}
.vnav-btn.vnav-icon {
  padding: 6px 8px;
  width: 30px; justify-content: center;
}
.vnav-btn:disabled {
  opacity: 0.3;
  cursor: default;
}
.vnav-divider {
  width: 1px; height: 18px;
  background: var(--rule);
  margin: 0 4px;
}
.vnav-counter {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.08em;
  padding: 0 4px;
  min-width: 50px;
  text-align: center;
}

/* Trail of viz dots */
.viz-nav-trail {
  display: flex; align-items: center; gap: 6px;
  flex: 1; justify-content: center;
  overflow-x: auto;
  padding: 0 12px;
}
.trail-dot {
  border: 0;
  background: transparent;
  padding: 6px 4px;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  position: relative;
}
.trail-dot-inner {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--rule);
  transition: background 120ms ease, transform 120ms ease;
}
.trail-dot:hover .trail-dot-inner { background: var(--muted); transform: scale(1.2); }
.trail-dot.active .trail-dot-inner {
  background: var(--foam);
  transform: scale(1.5);
  box-shadow: 0 0 0 3px var(--paper-3);
}

.viz-nav-hint {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--muted-2);
  letter-spacing: 0.05em;
  display: flex; align-items: center; gap: 6px;
  white-space: nowrap;
}
.viz-nav-hint kbd {
  font-family: var(--mono);
  font-size: 10px;
  background: var(--paper-3);
  border: 1px solid var(--rule);
  padding: 2px 5px;
  border-radius: 3px;
  margin: 0 1px;
  color: var(--ink-2);
  letter-spacing: 0;
}
@media (max-width: 1200px) {
  .viz-nav-hint { display: none; }
}

/* Source badge */
.source-pill {
  position: absolute; right: 24px; bottom: 24px;
  font-family: var(--mono); font-size: 10px;
  color: var(--muted);
  background: rgba(15,27,44,0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--rule);
  padding: 6px 10px;
  border-radius: var(--r);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Loading shimmer */
@keyframes shimmer {
  0% { opacity: 0.4; }
  50% { opacity: 0.9; }
  100% { opacity: 0.4; }
}
.loading-dot {
  display: inline-block; width: 4px; height: 4px; border-radius: 50%;
  background: var(--ink); margin: 0 2px;
  animation: shimmer 1.2s infinite;
}
.loading-dot:nth-child(2) { animation-delay: 0.15s; }
.loading-dot:nth-child(3) { animation-delay: 0.3s; }