/* Moxie SIM — mission-control HUD skin (docs/design/style-guide.md).
 * The WebGL canvas (#app) is fixed fullscreen behind everything; #hud is a fixed grid
 * overlay: topbar / notice / [stage | rail] / chat. Split across css/hud.css (this file),
 * css/dock.css, css/rail.css and style.css (responsive + late additions), linked in that
 * order from sim.html — the order IS the cascade. Fonts are vendored. */

:root {
  /* backgrounds — deepest → elevated */
  --void:      #060609;
  --bg:        #0a0a0f;
  --surface-1: #0e0e14;
  --surface-2: #12121a;
  --surface-3: #1a1a2e;
  --hairline:  #2a303c;

  /* text — cool grey ramp */
  --text:      #e8edf5;
  --text-dim:  #c8d0dc;
  --muted:     #8892a4;
  --muted-2:   #6b7a8d;
  --dim:       #5a6577;
  --dimmer:    #4a5568;

  /* accents */
  --cyan:      #00f0ff;
  --cyan-dim:  #0e7490;
  --amber:     #fcee0a;
  --mint:      #05ffa1;
  --magenta:   #ff2a6d;
  --purple:    #a855f7;

  /* cyan at low alpha — ambient glow / hairlines */
  --glow-06:   rgba(0, 240, 255, 0.06);
  --glow-12:   rgba(0, 240, 255, 0.12);
  --glow-30:   rgba(0, 240, 255, 0.30);

  --font-ui:   'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;

  /* spacing scale */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;

  --rail-w: 380px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  font-family: var(--font-ui);
  font-size: 14px;
  background: var(--bg);
  color: var(--text);
}

/* ---- void atmosphere ------------------------------------------------------ */
/* behind the (alpha) WebGL canvas: a faint cyan aura where the robot stands,
   a vignette pulling the edges down toward --void */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(55% 48% at 42% 46%, var(--glow-06) 0%, transparent 70%),
    radial-gradient(130% 100% at 50% 45%, transparent 45%, rgba(0, 0, 0, 0.55) 100%),
    linear-gradient(180deg, var(--bg) 0%, var(--void) 100%);
}

/* over the canvas, under the HUD: a whisper of scanline */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 240, 255, 0.016) 0px,
    rgba(0, 240, 255, 0.016) 1px,
    transparent 1px,
    transparent 3px
  );
}

#app, #app canvas {
  position: fixed;
  inset: 0;
  display: block;
}
#app { z-index: 1; }

/* ---- HUD overlay grid ----------------------------------------------------- */
#hud {
  position: fixed;
  inset: 0;
  z-index: 4;
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--rail-w);
  /* The composer is a grid ROW, not an overlay, so nothing can sit on top of it and the
     stage row is what gives way when the conversation grows. */
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  grid-template-areas:
    "topbar topbar"
    "notice notice"
    "stage  panel"
    "chat   panel";
  pointer-events: none;          /* let orbit-drag reach the canvas… */
}
#topbar, #notice, #panel, #chat-dock { pointer-events: auto; }   /* …except real HUD chrome */

/* ---- title bar ------------------------------------------------------------ */
#topbar {
  grid-area: topbar;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  min-height: 48px;
  padding: 0 var(--sp-4);
  background: linear-gradient(180deg, rgba(6, 6, 9, 0.92), rgba(6, 6, 9, 0.78));
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline);
}
#topbar .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
#topbar .glyph {
  width: 9px;
  height: 9px;
  background: var(--cyan);
  transform: rotate(45deg);
  box-shadow: 0 0 10px var(--glow-30);
  flex: none;
}
#topbar h1 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  white-space: nowrap;
}
#topbar .tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--muted);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  padding: 2px 7px;
  white-space: nowrap;
}
#topbar .tag.dim { color: var(--dim); border-color: transparent; }
#topbar .linkstate {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex: none;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--muted);
  white-space: nowrap;
}

/* ALIVE toggle — prominent, always in the topbar. On = Moxie lives its imaginary
   life (autonomous motion, sliders move); off = full manual control. */
#alive-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-left: auto;                 /* push to the right, before the link state */
  padding: 6px 13px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}
#alive-toggle .alive-dot {
  width: 8px; height: 8px; border-radius: 50%; flex: none;
  transition: background 0.18s ease, box-shadow 0.18s ease;
}
#alive-toggle.alive-on {
  color: var(--mint);
  border: 1px solid rgba(5, 255, 161, 0.5);
  background: rgba(5, 255, 161, 0.08);
  box-shadow: 0 0 14px rgba(5, 255, 161, 0.18);
}
#alive-toggle.alive-on .alive-dot {
  background: var(--mint);
  box-shadow: 0 0 8px rgba(5, 255, 161, 0.8);
  animation: pulse 2s ease-in-out infinite;
}
#alive-toggle.alive-off {
  color: var(--dim);
  border: 1px solid var(--hairline);
  background: transparent;
}
#alive-toggle.alive-off .alive-dot { background: var(--dimmer); }
#alive-toggle:hover { border-color: var(--mint); }

/* link lamp — colored via body[data-bus] (set by the HUD glue script) */
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--dimmer);
  flex: none;
}
body[data-bus="live"] .dot { background: var(--mint);    box-shadow: 0 0 8px rgba(5, 255, 161, 0.6);  animation: pulse 2s ease-in-out infinite; }
body[data-bus="down"] .dot { background: var(--magenta); box-shadow: 0 0 8px rgba(255, 42, 109, 0.6); }
body[data-bus="rec"]  .dot { background: var(--amber);   box-shadow: 0 0 8px rgba(252, 238, 10, 0.55); animation: pulse 1.2s ease-in-out infinite; }
body[data-bus="wait"] .dot { background: var(--cyan);    box-shadow: 0 0 8px var(--glow-30);           animation: pulse 1.2s ease-in-out infinite; }
body[data-bus="live"] #link-label { color: var(--mint); }
body[data-bus="down"] #link-label { color: var(--magenta); }
body[data-bus="rec"]  #link-label { color: var(--amber); }
body[data-bus="wait"] #link-label { color: var(--cyan); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.35; }
}

/* ---- disclaimer bar ------------------------------------------------------- */
/* Legal/ethical notice gets its own slim bar under the topbar: full width,
   readable size + contrast, and an unmistakable GitHub affordance. */
#notice {
  grid-area: notice;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 6px var(--sp-4);
  background: rgba(6, 6, 9, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline);
  box-shadow: 0 1px 0 var(--glow-06);
}
.notice-badge {
  flex: none;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--amber);
  border: 1px solid rgba(252, 238, 10, 0.35);
  border-radius: 4px;
  padding: 2px 7px;
  white-space: nowrap;
}
.disclaimer {
  margin: 0;
  min-width: 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-dim);
}
.disclaimer strong { color: var(--text); font-weight: 600; }
.notice-link {
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--cyan);
  border: 1px solid var(--glow-30);
  border-radius: 4px;
  padding: 4px 10px;
  white-space: nowrap;
  transition: background 0.15s ease, box-shadow 0.15s ease;
}
.notice-link:hover {
  background: rgba(0, 240, 255, 0.08);
  box-shadow: 0 0 10px var(--glow-12);
}

/* ---- stage overlays ------------------------------------------------------- */
#stage {
  grid-area: stage;
  position: relative;
  min-width: 0;
  min-height: 0;
  pointer-events: none;
}

#hud-frame { display: none; }   /* removed: the 3D is the full-screen background, not one framed section */
#hud-frame .corner {
  position: absolute;
  width: 20px;
  height: 20px;
}
#hud-frame .tl { top: 0;    left: 0;    border-top: 1px solid var(--glow-30);    border-left: 1px solid var(--glow-30); }
#hud-frame .tr { top: 0;    right: 0;   border-top: 1px solid var(--glow-30);    border-right: 1px solid var(--glow-30); }
#hud-frame .bl { bottom: 0; left: 0;    border-bottom: 1px solid var(--glow-30); border-left: 1px solid var(--glow-30); }
#hud-frame .br { bottom: 0; right: 0;   border-bottom: 1px solid var(--glow-30); border-right: 1px solid var(--glow-30); }

/* ---- presence badge ------------------------------------------------------ */
/* Top-right of the stage. `display` lives HERE, not inline: an inline
   `display:flex` beat the UA's `[hidden] { display: none }`, so the badge the markup hides
   until a face event showed "PRESENCE UNKNOWN" forever (test_liveliness.mjs §6). */
#presence-badge {
  position: absolute;
  top: 12px;
  right: 14px;
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 5px 10px;
  border-radius: 4px;
  background: rgba(10, 10, 15, 0.72);
  border: 1px solid rgba(18, 181, 176, 0.45);
  font-size: 11px;
  letter-spacing: 0.08em;
}
#presence-badge[hidden] { display: none; }

/* ---- speech callout ------------------------------------------------------- */
/* Anchored to her head by moxie/bubble.js, which writes `--bx`/`--by` (stage-relative
   px) every frame and adds `.anchored`. Without `.anchored` (WebGL never started) it stays
   the old pinned caption rather than landing at 0,0. `min-width` is dropped once anchored
   so short quips do not become wide empty boxes. */
#bubble {
  position: absolute;
  top: 22px;
  left: 50%;
  transform: translateX(-50%);
  max-width: min(420px, calc(100% - 32px));
  min-width: min(220px, calc(100% - 32px));
  pointer-events: auto;
  padding: 9px 14px 12px;
  background: rgba(14, 14, 20, 0.88);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glow-30);
  border-radius: 6px;
  box-shadow: 0 0 0 1px var(--glow-06), 0 0 28px var(--glow-06);
  opacity: 1;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
#bubble.anchored {
  top: var(--by, 22px);
  left: var(--bx, 50%);
  /* `--by` is always the TOP edge, in both placements, so the box never has to be measured
     twice: `updateBubbleAnchor` does the arithmetic and CSS just places it. */
  transform: translate(-50%, 0);
  min-width: 0;
  max-width: min(340px, calc(100% - 32px));
  /* No transition on position: this moves every frame with the camera, and an ease on a
     per-frame write is a bubble that swims a fifth of a second behind her. */
  transition: opacity 0.2s ease;
  will-change: top, left;
}
/* ABOVE HER HEAD (the default, and what the framing headroom exists to allow): a short
   tail under the box, pointing down at the crown. */
#bubble.anchored::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -7px;
  width: 12px;
  height: 12px;
  transform: translateX(-50%) rotate(45deg);
  background: rgba(14, 14, 20, 0.88);
  border-right: 1px solid var(--glow-30);
  border-bottom: 1px solid var(--glow-30);
}
/* AT HER CHEST, ON A LEADER (no room above): a line from the box's top back to her head;
   `--leader` is the exact gap in px. */
#bubble.anchored.leadered::after { display: none; }
#bubble.anchored.leadered::before {
  content: "";
  position: absolute;
  left: 50%;
  top: auto;                /* override the corner tick below, or the line runs DOWN */
  bottom: 100%;
  border: 0;
  border-radius: 0;
  width: 2px;
  height: var(--leader, 0px);
  transform: translateX(-50%);
  background: linear-gradient(to bottom, var(--glow-30), rgba(14, 14, 20, 0.88));
  pointer-events: none;
}
/* BESIDE HER HEAD (no headroom, but a wide stage): `--bx` is the edge NEAREST her, so the
   typewriter widens the box away from her face; `--bmax` is the room to the stage edge.
   The tail sits SIDE_TAIL_Y (22 px) below the top, which bubble.js aims at her eyes. */
#bubble.anchored.side {
  transform: none;
  max-width: min(340px, var(--bmax, 340px));
}
#bubble.anchored.side.side-l { transform: translateX(-100%); }
#bubble.anchored.side::after {
  left: -7px;
  top: 16px;
  bottom: auto;
  transform: rotate(45deg);
  border: 0;
  border-left: 1px solid var(--glow-30);
  border-bottom: 1px solid var(--glow-30);
}
#bubble.anchored.side.side-l::after {
  left: auto;
  right: -7px;
  border: 0;
  border-right: 1px solid var(--glow-30);
  border-top: 1px solid var(--glow-30);
}
/* Behind the camera: `project()` returns mirrored coordinates, so the bubble is faded out
   rather than drawn somewhere untrue. Not `display:none` — that would drop it from the
   accessibility tree mid-sentence, and its text is still the current utterance. */
#bubble.off-stage { opacity: 0; pointer-events: none; }

#bubble .callout-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 5px;
}
#bubble-text {
  font-size: 15px;
  line-height: 1.4;
  color: var(--text);
}
/* typewriter caret — blinks while Moxie's line is typing out */
#bubble.typing #bubble-text::after {
  content: "";
  display: inline-block;
  width: 2px;
  height: 1.05em;
  margin-left: 2px;
  vertical-align: -0.16em;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--glow-30);
  animation: caret-blink 0.75s steps(1, end) infinite;
}
@keyframes caret-blink { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  #bubble.typing #bubble-text::after { animation: none; opacity: 1; }
}
/* corner tick + downward connector toward the robot */
#bubble::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 12px;
  height: 12px;
  border-top: 2px solid var(--cyan);
  border-left: 2px solid var(--cyan);
  border-radius: 6px 0 0 0;
}
#bubble::after {
  content: "";
  position: absolute;
  bottom: -19px;
  left: 50%;
  width: 1px;
  height: 18px;
  background: linear-gradient(180deg, var(--glow-30), transparent);
}
#bubble.hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(-8px);
  pointer-events: none;
}

/* ---- stage hint ----------------------------------------------------------- */
#scene-hint {
  position: absolute;
  left: 26px;
  bottom: 24px;
  pointer-events: none;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--dim);
}
#scene-hint code {
  font-family: inherit;
  color: var(--cyan-dim);
}

/* ---- HUD rail ------------------------------------------------------------- */
#panel {
  grid-area: panel;
  display: flex;
  flex-direction: column;
  min-height: 0;
  margin: 10px 10px 10px 0;               /* float, don't touch the edges */
  background: rgba(9, 12, 19, 0.30);       /* GLASS — the 3D shows through */
  backdrop-filter: blur(22px) saturate(1.15);
  -webkit-backdrop-filter: blur(22px) saturate(1.15);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  box-shadow: 0 12px 44px rgba(0, 0, 0, 0.42);
  overflow: hidden;
}
#rail-scroll {
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-3) 20px;
}

/* drawer handle — hidden on desktop, shown in phone/drawer mode */
#rail-toggle {
  display: none;
  align-items: center;
  gap: var(--sp-2);
  width: 100%;
  min-height: 44px;
  padding: 0 var(--sp-4);
  border: none;
  border-bottom: 1px solid var(--hairline);
  border-radius: 0;
  background: rgba(10, 10, 15, 0.9);
  font-size: 11px;
  letter-spacing: 0.12em;
}
#rail-toggle .tick {
  width: 12px;
  height: 2px;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--glow-30);
  flex: none;
}
#rail-toggle .caret { margin-left: auto; }