/* ============================================================
   AXIOM MOBILE PWA — chat drawer + brand badges + path-mode
   Loaded by index.html. Styles isolated under .axiom-* / .pchat-*
   ============================================================ */

/* -------- Floating top-right widgets -------- */
.axiom-fixed-btn {
  background: rgba(0,0,0,0.72);
  color: var(--ink);
  border: 0.5px solid var(--accent-bd);
  padding: 8px 12px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  cursor: pointer;
  backdrop-filter: blur(10px);
  display: inline-flex; align-items: center; gap: 6px;
  transition: all 0.15s;
}
.axiom-fixed-btn:hover {
  background: rgba(0,0,0,0.92);
  border-color: var(--accent);
  color: var(--accent);
}
.axiom-prof-btn { color: var(--accent); border-color: var(--accent-bd); }
.axiom-prof-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); display: inline-block;
  box-shadow: 0 0 6px var(--accent);
  animation: axiom-pulse 2.5s ease-in-out infinite;
}
@keyframes axiom-pulse {
  0%, 100% { opacity: 0.45; transform: scale(0.85); }
  50%      { opacity: 1.0;  transform: scale(1.1);  }
}

/* -------- Brand badge in topbar -------- */
.brand-badge {
  font-family: var(--font-mono);
  font-size: 9px; letter-spacing: 2.5px;
  padding: 3px 8px;
  border-radius: 3px;
  border: 0.5px solid var(--ink-faint);
  margin-right: 8px;
  text-transform: uppercase;
  white-space: nowrap;
  transition: all 0.2s;
}
.brand-badge[data-brand="budrix"] {
  color: var(--perf-accent);
  border-color: var(--perf-accent-bd);
  background: var(--perf-accent-bg);
}
.brand-badge[data-brand="scarecrow"] {
  color: #d8ff3e;
  border-color: rgba(216,255,62,0.35);
  background: rgba(216,255,62,0.08);
}
.brand-badge[data-brand="professor"] {
  color: var(--teach);
  border-color: rgba(91,184,255,0.35);
  background: rgba(91,184,255,0.10);
}

/* -------- Path-mode body classes — recolor brand accents -------- */
body.mode-eco {
  --accent:     var(--eco-accent);
  --accent-dim: var(--eco-accent-dim);
  --accent-bg:  var(--eco-accent-bg);
  --accent-bd:  var(--eco-accent-bd);
}
body.mode-perf {
  --accent:     var(--perf-accent);
  --accent-dim: var(--perf-accent-dim);
  --accent-bg:  var(--perf-accent-bg);
  --accent-bd:  var(--perf-accent-bd);
}

/* -------- Chat drawer overlay -------- */
.pchat-overlay {
  position: fixed; inset: 0;
  background: rgba(6,6,6,0.86);
  backdrop-filter: blur(6px);
  z-index: 99998;
  display: none;
  flex-direction: column;
}
.pchat-overlay.open { display: flex; animation: pchat-fade-in 0.18s ease-out; }
@keyframes pchat-fade-in { from { opacity: 0; } to { opacity: 1; } }

.pchat-shell {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  height: 100%;
  display: flex; flex-direction: column;
  background: var(--bg);
  border-left: 0.5px solid var(--ink-faint);
  border-right: 0.5px solid var(--ink-faint);
}

/* -------- Chat header -------- */
.pchat-head {
  flex-shrink: 0;
  padding: 12px 16px;
  border-bottom: 0.5px solid var(--ink-faint);
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(10px);
}
.pchat-head .title {
  font-size: 14px; font-weight: 500;
  color: var(--accent);
  letter-spacing: -0.2px;
}
.pchat-head .sub {
  font-family: var(--font-mono);
  font-size: 9px; letter-spacing: 2px;
  color: var(--ink-dim);
  text-transform: uppercase;
  margin-top: 2px;
}
.pchat-close {
  background: transparent;
  border: 0.5px solid var(--ink-faint);
  color: var(--ink-dim);
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 1px;
  padding: 6px 12px;
  border-radius: var(--radius);
  cursor: pointer;
}
.pchat-close:hover { color: var(--ink); border-color: var(--ink); }

/* -------- Sticky context strip — locked vehicle/build -------- */
.pchat-ctx {
  flex-shrink: 0;
  padding: 8px 16px;
  border-bottom: 0.5px solid var(--ink-faint);
  background: var(--bg-card);
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-dim);
  letter-spacing: 0.5px;
}
.pchat-ctx .ctx-label {
  color: var(--ink-faint);
  text-transform: uppercase;
  margin-right: 6px;
}
.pchat-ctx .ctx-val {
  color: var(--ink);
}

/* -------- Offline banner -------- */
.pchat-offline {
  flex-shrink: 0;
  padding: 8px 16px;
  background: rgba(255,149,0,0.12);
  border-bottom: 1px solid rgba(255,149,0,0.3);
  color: var(--warn);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.5px;
  display: none;
}
.pchat-offline.show { display: block; }

/* -------- Message list -------- */
.pchat-msgs {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex; flex-direction: column; gap: 12px;
  scroll-behavior: smooth;
}
.pchat-msg {
  max-width: 92%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.55;
  word-wrap: break-word;
  animation: pchat-slide-in 0.18s ease-out;
}
@keyframes pchat-slide-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.pchat-msg.user {
  align-self: flex-end;
  background: var(--accent-bg);
  border: 0.5px solid var(--accent-bd);
  color: var(--ink);
}
.pchat-msg.prof {
  align-self: flex-start;
  background: var(--bg-card);
  border: 0.5px solid var(--ink-faint);
  color: var(--ink);
}
.pchat-msg.prof .from {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 6px;
  display: block;
}
.pchat-msg.prof .source-line {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 0.5px solid var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 1.5px;
  color: var(--ink-dim);
  text-transform: uppercase;
}
.pchat-msg.prof .source-line .src {
  color: var(--accent);
}

/* Markdown rendering inside Professor messages */
.pchat-msg.prof p { margin: 0 0 8px 0; }
.pchat-msg.prof p:last-child { margin-bottom: 0; }
.pchat-msg.prof ul, .pchat-msg.prof ol { margin: 6px 0 8px 22px; padding: 0; }
.pchat-msg.prof li { margin: 3px 0; }
.pchat-msg.prof strong { color: var(--ink); font-weight: 600; }
.pchat-msg.prof em { color: var(--accent); font-style: normal; }
.pchat-msg.prof code {
  font-family: var(--font-mono); font-size: 12px;
  background: var(--bg-soft); padding: 1px 5px; border-radius: 3px;
}
.pchat-msg.prof h1, .pchat-msg.prof h2, .pchat-msg.prof h3 {
  font-size: 14px; font-weight: 600; margin: 10px 0 4px 0;
  color: var(--accent);
}

/* -------- Thinking indicator -------- */
.pchat-thinking {
  align-self: flex-start;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 0.5px solid var(--ink-faint);
  border-radius: 12px;
  display: none;
}
.pchat-thinking.show { display: inline-flex; gap: 5px; align-items: center; }
.pchat-thinking .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  animation: pchat-bounce 1.2s ease-in-out infinite;
}
.pchat-thinking .dot:nth-child(2) { animation-delay: 0.15s; }
.pchat-thinking .dot:nth-child(3) { animation-delay: 0.30s; }
@keyframes pchat-bounce {
  0%, 80%, 100% { opacity: 0.3; transform: scale(0.85); }
  40%           { opacity: 1.0; transform: scale(1.15); }
}

/* -------- Input -------- */
.pchat-input-row {
  flex-shrink: 0;
  padding: 12px 16px;
  border-top: 0.5px solid var(--ink-faint);
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(10px);
  display: flex; gap: 8px;
}
.pchat-input {
  flex: 1;
  background: var(--bg-card);
  border: 0.5px solid var(--ink-faint);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  padding: 10px 14px;
  border-radius: var(--radius-lg);
  outline: none;
  resize: none;
  max-height: 120px;
  min-height: 44px; /* tap-friendly */
}
.pchat-input:focus { border-color: var(--accent); }
.pchat-send {
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: var(--radius-lg);
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  font-weight: 600;
  text-transform: uppercase;
  cursor: pointer;
  min-height: 44px;
}
.pchat-send:disabled {
  opacity: 0.4;
  cursor: wait;
}

/* -------- Phone-first sizing (S25 Ultra ~412px wide portrait) -------- */
@media (max-width: 520px) {
  .pchat-msg { max-width: 96%; font-size: 13.5px; }
  .pchat-head { padding: 10px 12px; }
  .pchat-msgs { padding: 12px; }
  .pchat-input-row { padding: 10px 12px; }
  #axiom-topright-widgets { top: 8px; right: 10px; }
  .axiom-fixed-btn { padding: 7px 10px; font-size: 10px; }
}