/* Sovereign Assistant PWA — mobile-first chat UI.
   Cosmic palette mirrors SS web app aesthetic. */

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

:root {
  --void: #0a0a0a;
  --void-elevated: #161616;
  --void-deep: #050505;
  --bone: #e8e6dd;
  --bone-muted: #9d9a8e;
  --bone-very-muted: #5d5b53;
  --hairline: #232220;
  --accent: #ff8800;
  --user-bubble: #1a1a1a;
  --assistant-bubble: transparent;
  --error: #d04040;
}

html, body {
  height: 100%;
  background: var(--void);
  color: var(--bone);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  overflow: hidden;
}

body {
  display: grid;
  grid-template-rows: env(safe-area-inset-top, 0) auto 1fr auto env(safe-area-inset-bottom, 0);
}

header {
  grid-row: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--hairline);
  background: var(--void-deep);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.brand-name {
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--bone);
}

.brand-status {
  font-size: 11px;
  color: var(--bone-very-muted);
  font-family: monospace;
}

.brand-status.ok { color: #5a8; }
.brand-status.err { color: var(--error); }
.brand-status.busy { color: var(--accent); }

main#chat-log {
  grid-row: 3;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  -webkit-overflow-scrolling: touch;
}

.msg {
  max-width: 88%;
  padding: 10px 13px;
  border-radius: 14px;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.msg.user {
  align-self: flex-end;
  background: var(--user-bubble);
  color: var(--bone);
  border-bottom-right-radius: 4px;
}

.msg.assistant {
  align-self: flex-start;
  background: var(--assistant-bubble);
  color: var(--bone-muted);
  font-style: italic;
  padding-left: 0;
}

.msg.assistant .meta {
  display: block;
  font-style: normal;
  font-family: monospace;
  font-size: 10px;
  color: var(--bone-very-muted);
  margin-top: 4px;
}

.msg.error {
  align-self: stretch;
  background: rgba(208, 64, 64, 0.1);
  color: var(--error);
  font-size: 13px;
  border: 1px solid rgba(208, 64, 64, 0.3);
}

.thinking::after {
  content: "…";
  display: inline-block;
  animation: pulse 1.2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

footer {
  grid-row: 4;
  display: flex;
  gap: 8px;
  padding: 10px;
  border-top: 1px solid var(--hairline);
  background: var(--void-deep);
  align-items: flex-end;
}

textarea#input {
  flex: 1;
  background: var(--void-elevated);
  color: var(--bone);
  border: 1px solid var(--hairline);
  border-radius: 18px;
  padding: 10px 14px;
  font-family: inherit;
  font-size: 15px;
  resize: none;
  max-height: 120px;
  outline: none;
}

textarea#input:focus {
  border-color: var(--bone-very-muted);
}

textarea#input:disabled {
  opacity: 0.6;
}

.icon-btn {
  background: transparent;
  color: var(--bone-muted);
  border: 1px solid var(--hairline);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: color 0.15s, border-color 0.15s;
}

.icon-btn:hover {
  color: var(--bone);
  border-color: var(--bone-very-muted);
}

.icon-btn.primary {
  background: var(--bone);
  color: var(--void);
  border-color: var(--bone);
}

.icon-btn.primary:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.icon-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.icon-btn.recording {
  color: var(--error);
  border-color: var(--error);
  animation: pulse 1.2s ease-in-out infinite;
}