:root {
  --bg:      #090807;
  --panel:   #0f0e0b;
  --surface: #181510;
  --border:  #2a2520;
  --ink:     #ede5d4;
  --muted:   #756a58;
  --amber:   #e4aa42;
  --blue:    #7eb8f7;
  --cyan:    #5fffc0;
  --red:     #ff6b6b;
}

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

html, body { height: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  line-height: 1.5;
}

button, input { font: inherit; }

/* ── Shell ── */
.shell {
  display: grid;
  grid-template-columns: 1fr 340px;
  height: 100%;
  gap: 0;
}

/* ── Stage ── */
.stage {
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 80%, rgba(228,170,66,.13) 0%, transparent 60%),
              linear-gradient(180deg, #0d0b08 0%, #060504 100%);
}

#scene { width: 100%; height: 100%; display: block; }

.stage-top {
  position: absolute;
  top: 16px;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  pointer-events: none;
}

.state-pill {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(15,14,11,.85);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
  transition: background .4s, border-color .4s, color .4s;
}

.state-pill.engaged     { background: rgba(228,170,66,.18); border-color: var(--amber); color: var(--amber); }
.state-pill.seeking     { background: rgba(255,107,74,.15); border-color: #ff6b4a;     color: #ff8c6f; }
.state-pill.seeking-hot { background: rgba(255,107,74,.28); border-color: #ff4422;     color: #ff6644; }
.state-pill.found       { background: rgba(95,255,192,.15); border-color: var(--cyan);  color: var(--cyan); }

.stage-meta {
  font-size: 11px;
  color: var(--muted);
  background: rgba(15,14,11,.7);
  padding: 4px 10px;
  border-radius: 999px;
  backdrop-filter: blur(8px);
}
.stage-meta .sep { margin: 0 4px; }

/* DOF map */
.dof-map {
  position: absolute;
  left: 16px;
  bottom: 16px;
  width: 220px;
  background: rgba(9,8,7,.82);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  backdrop-filter: blur(10px);
}

.dof-title {
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.dof-row {
  display: grid;
  grid-template-columns: 28px 1fr 44px;
  align-items: center;
  gap: 6px;
  padding: 2px 0;
  font-size: 12px;
}

.dof-row b {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 16px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  background: color-mix(in srgb, var(--c) 18%, transparent);
  color: var(--c);
  border: 1px solid color-mix(in srgb, var(--c) 55%, transparent);
}

.dof-row span { color: var(--muted); font-size: 11px; }

.dof-row strong {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  color: var(--ink);
}

/* ── Panel ── */
.panel {
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow-y: auto;
  background: var(--panel);
  border-left: 1px solid var(--border);
}

.panel-header {
  padding: 20px 20px 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.panel-header h1 {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--amber);
}

.panel-header p {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .06em;
  margin-top: 2px;
}

/* Camera section */
.cam-section {
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
}

.preview {
  position: relative;
  aspect-ratio: 4/3;
  background: #070605;
  overflow: hidden;
}

.preview video,
.preview canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.preview video { object-fit: fill; transform: scaleX(-1); }
.preview canvas { pointer-events: none; }

.cam-start-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(9,8,7,.72);
  backdrop-filter: blur(4px);
  transition: opacity .3s;
}

.cam-start-overlay.hidden { opacity: 0; pointer-events: none; }

#start-camera {
  background: var(--amber);
  color: #0a0800;
  border: none;
  border-radius: 999px;
  padding: 10px 22px;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  transition: opacity .15s;
}

#start-camera:hover { opacity: .85; }

.det-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 14px;
  font-size: 11px;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

.det-bar strong { color: var(--amber); }

.eval-strip {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 6px;
  align-items: center;
  padding: 0 14px 8px;
  border-bottom: 1px solid rgba(42,37,32,.45);
}

.eval-strip button {
  border: 1px solid var(--border);
  background: #12100d;
  color: var(--ink);
  border-radius: 8px;
  padding: 6px 8px;
  font-size: 11px;
  cursor: pointer;
}

.eval-strip button:hover { border-color: var(--amber); color: var(--amber); }

.eval-strip span {
  font-size: 10px;
  color: var(--muted);
  white-space: nowrap;
}

.detections {
  padding: 0 14px 10px;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.5;
  min-height: 20px;
}

/* Talk section */
.talk-section {
  flex-shrink: 0;
  padding: 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ptt-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 11px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  transition: background .15s, border-color .15s;
}

.ptt-btn:hover { border-color: var(--amber); }

.ptt-btn.recording {
  background: rgba(255,107,107,.15);
  border-color: var(--red);
  color: var(--red);
  animation: pulse-border 1s ease-in-out infinite;
}

@keyframes pulse-border {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,107,107,.3); }
  50%       { box-shadow: 0 0 0 6px rgba(255,107,107,0); }
}

.ask-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px;
}

.ask-form input {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 14px;
  color: var(--ink);
  outline: none;
  transition: border-color .15s;
}

.ask-form input:focus { border-color: color-mix(in srgb, var(--amber) 60%, transparent); }
.ask-form input::placeholder { color: var(--muted); }

.send-btn {
  width: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background .15s, color .15s, border-color .15s;
}

.send-btn:hover { background: var(--amber); color: #0a0800; border-color: var(--amber); }

/* Chat */
.chat {
  flex: 1;
  overflow-y: auto;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.msg {
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 12px;
  line-height: 1.5;
  background: var(--surface);
  border: 1px solid var(--border);
}

.msg.user { border-left: 3px solid var(--blue); }
.msg.lamp  { border-left: 3px solid var(--amber); }

/* Log */
.log {
  flex-shrink: 0;
  max-height: 56px;
  overflow-y: auto;
  padding: 6px 14px;
  font-size: 10px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  scrollbar-width: none;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  opacity: 0;
  transition: opacity .2s, transform .2s;
  background: rgba(15,14,11,.95);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 18px;
  font-size: 12px;
  pointer-events: none;
  white-space: nowrap;
  backdrop-filter: blur(10px);
  z-index: 100;
}

.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* Mobile */
@media (max-width: 820px) {
  .shell { grid-template-columns: 1fr; grid-template-rows: 55vh 1fr; }
  .panel { border-left: none; border-top: 1px solid var(--border); }
}

/* LLM auth lock */
#llm-lock-msg {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 6px;
}
#llm-lock-msg a {
  color: var(--amber);
  text-decoration: none;
}
#llm-lock-msg a:hover { text-decoration: underline; }
#llm-lock {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px 0;
}
#llm-lock #auth-form {
  display: flex;
  gap: 6px;
}
#auth-input {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--ink);
  font-size: 13px;
  padding: 8px 10px;
  outline: none;
}
#auth-input:focus { border-color: var(--amber); }
#auth-error {
  color: #e05c5c;
  font-size: 11px;
  min-height: 14px;
  padding-left: 2px;
}
.hidden { display: none !important; }