/* Archie floating chat — shared across all pages */

.archie-fab {
  position: fixed;
  right: clamp(18px, 2.5vw, 32px);
  bottom: clamp(18px, 2.5vw, 32px);
  z-index: 200;
}

.archie-fab-btn {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: #09090b;
  border: 1px solid rgba(255,255,255,0.14);
  color: #f8fafc;
  cursor: pointer;
  display: grid; place-items: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.45), 0 8px 32px rgba(0,0,0,0.3);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 17px; font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}
.archie-fab-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.5), 0 16px 48px rgba(0,0,0,0.35);
}
.archie-fab-btn:active { transform: scale(0.96); }
.archie-fab-btn:focus-visible { outline: 2px solid #3b82f6; outline-offset: 3px; }

/* ─── Chat panel ─── */

.archie-panel {
  position: fixed;
  right: clamp(18px, 2.5vw, 32px);
  bottom: calc(clamp(18px, 2.5vw, 32px) + 64px);
  z-index: 199;
  width: 360px;
  max-width: calc(100vw - 36px);
  background: #0d0d10;
  border: 1px solid #1e293b;
  border-radius: 8px;
  display: flex; flex-direction: column;
  box-shadow: 0 24px 64px rgba(0,0,0,0.65), 0 4px 16px rgba(0,0,0,0.4);
  transform: translateY(16px) scale(0.97);
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  overflow: hidden;
  max-height: min(480px, calc(100vh - 120px));
}
.archie-panel.open {
  opacity: 1; transform: none; pointer-events: all;
}

.archie-panel-head {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid #1e293b;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px; color: #f8fafc; letter-spacing: 0.04em;
  flex-shrink: 0;
}
.archie-panel-head .ap-mark {
  width: 26px; height: 26px;
  background: #1d4ed8;
  border-radius: 4px;
  display: grid; place-items: center;
  font-size: 13px; font-weight: 700; color: #fff; flex-shrink: 0;
}
.archie-panel-head .ap-status {
  margin-left: auto; color: #22c55e; font-size: 11px;
  display: flex; align-items: center; gap: 5px;
}
.archie-panel-head .ap-status::before { content: '●'; font-size: 8px; }

.archie-panel-body {
  flex: 1; overflow-y: auto;
  padding: 16px;
  display: flex; flex-direction: column; gap: 12px;
  font-size: 13.5px; line-height: 1.55;
  min-height: 120px;
}
.archie-panel-body::-webkit-scrollbar { width: 4px; }
.archie-panel-body::-webkit-scrollbar-track { background: transparent; }
.archie-panel-body::-webkit-scrollbar-thumb { background: #2d3748; border-radius: 2px; }

.ap-msg {
  max-width: 88%;
  padding: 8px 12px;
  border-radius: 6px;
  color: #e2e8f0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
.ap-msg.user { background: #1e293b; align-self: flex-end; color: #f1f5f9; }
.ap-msg.bot {
  background: transparent; align-self: flex-start;
  padding-left: 0; color: #94a3b8; max-width: 96%;
}
.ap-msg.bot .ap-name {
  display: block;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10px; letter-spacing: 0.08em;
  color: #475569; margin-bottom: 4px;
}
.ap-msg.thinking { color: #475569; font-style: italic; }

.archie-panel-foot {
  display: flex; gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid #1e293b;
  flex-shrink: 0;
}
.archie-panel-foot input {
  flex: 1;
  background: #111113; border: 1px solid #2d3748; border-radius: 4px;
  padding: 8px 12px; font-size: 13px; color: #f1f5f9;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  outline: none; transition: border-color 0.15s;
}
.archie-panel-foot input:focus { border-color: #3b82f6; }
.archie-panel-foot input::placeholder { color: #475569; }
.archie-panel-foot button {
  background: #1d4ed8; color: #fff; border: none; border-radius: 4px;
  padding: 8px 14px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; letter-spacing: 0.04em;
  cursor: pointer; transition: opacity 0.15s; white-space: nowrap;
}
.archie-panel-foot button:hover { opacity: 0.85; }
.archie-panel-foot button:disabled { opacity: 0.4; cursor: not-allowed; }