/* ===========================================================
   Vivarium — editorial style, ported from background/vivarium.
   Dark aquatic palette, Fraunces for prose, JetBrains Mono for
   readouts. The chrome is built by the wasm shell at runtime;
   this file sets the page substrate and shared variables.
   =========================================================== */

:root {
  --bg:         #06080f;
  --bg-panel:   #0c121e;
  --bg-panel-2: #0a0f19;
  --fg:         #c8d4e6;
  --fg-dim:     #6a7488;
  --fg-rule:    #1a2434;
  --accent:     #68d0f0;
  --accent-2:   #3ea4d9;
  --accent-hot: #a8def5;
  --warn:       #e6b884;

  --font-serif: "Fraunces", Georgia, "Times New Roman", serif;
  --font-mono:  "JetBrains Mono", ui-monospace, "SF Mono", monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-serif);
  font-weight: 300;
  height: 100%;
  overflow: hidden;
}

#vivarium-root {
  position: fixed;
  inset: 0;
}

#vivarium-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

#vivarium-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--fg-dim);
  text-transform: uppercase;
  pointer-events: none;
  transition: opacity 0.6s ease;
}

#vivarium-loading.hidden { opacity: 0; }

/* ── Header ─────────────────────────────────────────────── */

.viv-header {
  position: absolute;
  top: 28px;
  left: 32px;
  z-index: 10;
  pointer-events: none;
}
.viv-header .vol {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--fg-dim);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.viv-header h1 {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 42px;
  line-height: 1;
  margin: 0;
  letter-spacing: -0.01em;
}
.viv-header .sub {
  margin-top: 8px;
  font-style: italic;
  color: var(--fg-dim);
  font-size: 14px;
}

/* ── Sidebar ────────────────────────────────────────────── */

.viv-panel {
  position: absolute;
  top: 28px;
  right: 32px;
  width: 260px;
  z-index: 10;
  background: rgba(12, 18, 30, 0.78);
  backdrop-filter: blur(10px);
  border: 1px solid var(--fg-rule);
  border-radius: 4px;
  padding: 18px 18px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg);
}

.viv-panel h2 {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin: 0 0 12px;
}

.viv-panel .group + .group { margin-top: 16px; }

.viv-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}
.viv-row label {
  color: var(--fg-dim);
  letter-spacing: 0.04em;
}
.viv-row .val {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  font-size: 10px;
}

.viv-panel input[type="range"] {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 2px;
  background: var(--fg-rule);
  outline: none;
  margin: 2px 0 10px;
}
.viv-panel input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 10px;
  height: 10px;
  background: var(--accent);
  cursor: pointer;
  border-radius: 50%;
}
.viv-panel input[type="range"]::-moz-range-thumb {
  width: 10px;
  height: 10px;
  background: var(--accent);
  cursor: pointer;
  border: none;
  border-radius: 50%;
}

.viv-presets {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.viv-preset {
  background: transparent;
  border: 1px solid var(--fg-rule);
  color: var(--fg-dim);
  padding: 6px 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  cursor: pointer;
  border-radius: 2px;
  transition: border-color 0.12s, color 0.12s, background 0.12s;
}
.viv-preset:hover { border-color: var(--accent); color: var(--accent); }
.viv-preset.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}

.viv-actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}
.viv-action {
  flex: 1;
  background: transparent;
  border: 1px solid var(--fg-rule);
  color: var(--fg);
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 2px;
}
.viv-action:hover { border-color: var(--accent); color: var(--accent); }
.viv-action.playing { color: var(--accent); border-color: var(--accent); }

/* ── Marginalia ─────────────────────────────────────────── */

.viv-margin {
  position: absolute;
  left: 32px;
  bottom: 32px;
  max-width: 360px;
  z-index: 10;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.55;
  color: var(--fg-dim);
}
.viv-margin em {
  color: var(--fg);
  font-style: italic;
}
.viv-margin .rule {
  width: 28px;
  height: 1px;
  background: var(--fg-rule);
  margin-bottom: 14px;
}

/* ── Mode toggle (Manual / Agent) ───────────────────────── */

.viv-mode-row {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
}
.viv-mode {
  flex: 1;
  background: transparent;
  border: 1px solid var(--fg-rule);
  color: var(--fg-dim);
  padding: 7px 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 2px;
  transition: border-color 0.12s, color 0.12s, background 0.12s;
}
.viv-mode:hover { border-color: var(--accent); color: var(--accent); }
.viv-mode.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}

/* ── Behavior panel (Agent mode) ────────────────────────── */

.viv-behavior { margin-top: 16px; }

.viv-state-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 12px;
  transition: background 400ms ease, color 400ms ease;
}

.viv-energy-track {
  width: 100%;
  height: 4px;
  background: var(--fg-rule);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 14px;
}
.viv-energy-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  transition: width 200ms linear, background 400ms ease;
}

.viv-trace {
  display: flex;
  gap: 3px;
  align-items: center;
  margin-bottom: 14px;
  min-height: 8px;
}
.viv-crumb {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: 0 0 8px;
  transition: opacity 1s ease;
}

.viv-force-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
  margin-bottom: 12px;
}
.viv-force {
  background: transparent;
  border: 1px solid var(--fg-rule);
  color: var(--fg-dim);
  padding: 5px 2px;
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 2px;
  transition: all 150ms ease;
}

/* Disabled sliders (Agent mode shows the agent's drift live, but blocks user) */
.viv-panel input[type="range"]:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* ── LLM Director chat + model selector ──────────────────── */

.viv-model-select {
  background: transparent;
  border: 1px solid var(--fg-rule);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 4px;
  border-radius: 2px;
  width: 160px;
}

.viv-llm-chat {
  display: flex;
  gap: 4px;
  margin-top: 6px;
}
.viv-chat-input {
  flex: 1;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--fg-rule);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 6px 8px;
  border-radius: 2px;
  outline: none;
}
.viv-chat-input:focus { border-color: var(--accent); }
.viv-chat-input:disabled { opacity: 0.4; cursor: not-allowed; }
.viv-chat-send {
  background: transparent;
  border: 1px solid var(--fg-rule);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 6px 10px;
  border-radius: 2px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.viv-chat-send:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}
.viv-chat-send:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── LLM Director (Aquarium mode) ────────────────────────── */

.viv-narration {
  margin-top: 10px;
  padding: 8px 10px;
  border-left: 2px solid var(--accent-2);
  background: rgba(62, 164, 217, 0.04);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 12px;
  line-height: 1.45;
  color: var(--fg);
  max-height: 120px;
  overflow-y: auto;
}
.viv-narration-line {
  margin-bottom: 6px;
  opacity: 0.55;
  transition: opacity 0.4s ease;
}
.viv-narration-line:first-child {
  opacity: 1;          /* most recent — full opacity */
  color: var(--fg);
}
/* User lines: mono, dimmer accent, slight inset. */
.viv-narration-line.viv-narration-user {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 10.5px;
  color: var(--accent);
  padding-left: 4px;
  border-left: 1px solid var(--accent);
  opacity: 0.65;
}
.viv-narration-line.viv-narration-user:first-child { opacity: 0.95; }

/* In-flight streaming line — partial tokens decoded so far. */
.viv-narration-line.viv-narration-stream {
  opacity: 1;
  color: var(--fg);
  font-style: italic;
}
.viv-narration-caret {
  display: inline-block;
  margin-left: 2px;
  color: var(--accent);
  animation: viv-caret-blink 1s steps(2, jump-none) infinite;
}
@keyframes viv-caret-blink {
  0%, 49%   { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* ── Population (Aquarium mode) ─────────────────────────── */

.viv-population { margin-top: 16px; }

.viv-pop-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 10px;
  max-height: 240px;
  overflow-y: auto;
}

.viv-pop-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 6px;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg);
  background: rgba(255, 255, 255, 0.02);
  transition: opacity 400ms ease;
}

.viv-pop-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: 0 0 8px;
  transition: background 400ms ease;
}

.viv-pop-name {
  flex: 1;
  letter-spacing: 0.06em;
}

/* Per-entity goal-source badge: one letter, color-coded.
   D = deterministic Director, P = LLM periodic, C = LLM chat. */
.viv-pop-goal {
  display: inline-block;
  width:  12px;
  height: 12px;
  line-height: 12px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  border-radius: 2px;
  flex: 0 0 12px;
  color: var(--bg);
}
.viv-pop-goal-d { background: var(--fg-dim); }
.viv-pop-goal-p { background: var(--accent-2); }
.viv-pop-goal-c { background: var(--accent); }

.viv-pop-bar {
  width: 60px;
  height: 3px;
  background: var(--fg-rule);
  border-radius: 2px;
  overflow: hidden;
  flex: 0 0 60px;
}
.viv-pop-fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  transition: width 200ms linear, background 400ms ease;
}

/* ── Lineage timeline (Aquarium mode, OPFS-backed) ────────── */

.viv-timeline {
  position: absolute;
  left: 32px;
  right: 312px;                    /* leave room for the side panel column */
  bottom: 110px;                   /* sit above marginalia & readout */
  z-index: 10;
  background: rgba(12, 18, 30, 0.78);
  backdrop-filter: blur(10px);
  border: 1px solid var(--fg-rule);
  border-radius: 4px;
  padding: 12px 14px 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg);
  max-width: 720px;
}

.viv-timeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.viv-timeline-header .viv-mode { padding: 4px 8px; font-size: 9px; }

.viv-timeline-track {
  position: relative;
  height: 72px;
  border-top:    1px dashed var(--fg-rule);
  border-bottom: 1px dashed var(--fg-rule);
  cursor: ew-resize;
  user-select: none;
}

.viv-timeline-actions { display: flex; gap: 6px; }

.viv-timeline.scrubbing {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 0 24px rgba(104, 208, 240, 0.18);
}
.viv-timeline.scrubbing .viv-tl-playhead {
  background: var(--accent-hot);
  box-shadow: 0 0 8px var(--accent-hot);
}

.viv-tl-tick {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  transform: translateX(-3px);     /* centre on its left coordinate */
  cursor: pointer;
  box-shadow: 0 0 6px currentColor;
  transition: transform 120ms ease, opacity 400ms ease;
}
.viv-tl-tick:hover { transform: translateX(-3px) scale(1.5); }
.viv-tl-birth      { top: 8px;  }
.viv-tl-transition { top: 32px; }
.viv-tl-death      { top: 56px; }

.viv-tl-playhead {
  position: absolute;
  top: -4px;
  bottom: -4px;
  width: 1px;
  background: var(--accent);
  opacity: 0.8;
  transform: translateX(-1px);
  pointer-events: none;
  box-shadow: 0 0 4px var(--accent);
}

.viv-timeline-legend {
  display: flex;
  gap: 14px;
  margin-top: 8px;
  font-size: 9px;
  letter-spacing: 0.10em;
  color: var(--fg-dim);
}
.viv-timeline-legend span { display: inline-flex; align-items: center; gap: 4px; }
.viv-timeline-legend i {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  font-style: normal;
}

/* Hide marginalia in Aquarium mode so it doesn't compete with the timeline. */
body.viv-aquarium .viv-margin { opacity: 0.35; }

/* ── Readout ────────────────────────────────────────────── */

.viv-readout {
  position: absolute;
  right: 32px;
  bottom: 32px;
  z-index: 10;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--fg-dim);
  text-transform: uppercase;
  text-align: right;
}
.viv-readout .val { color: var(--accent); }
.viv-readout .err { color: var(--warn); }