/* ThunderComm Web UI
   Design language: dark, sovereign, clean.
   Same visual concept as iOS end-state — this is the prototype.
*/

:root {
  --bg:          #0d0d0f;
  --bg-sidebar:  #111113;
  --bg-input:    #1a1a1e;
  --bg-message:  #16161a;
  --border:      #222228;
  --accent:      #f59e0b;   /* amber — ThunderMind signature */
  --accent-dim:  #78450a;
  --text:        #e8e8ec;
  --text-dim:    #888892;
  --text-muted:  #44444e;
  --online:      #22c55e;
  --offline:     #6b7280;
  --busy:        #f59e0b;
  --error:       #ef4444;

  /* Agent identity colours */
  --jon:     #f59e0b;  /* amber/gold  */
  --michael: #a78bfa;  /* purple      */
  --mack:    #38bdf8;  /* light blue  */
  --rex:     #4ade80;  /* green       */
  --sasha:   #a78bfa;  /* violet      */
  --user:    #e8e8ec;
}

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

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
}

/* ── Layout ─────────────────────────────────────────────────────────────── */

body {
  display: grid;
  grid-template-columns: 220px 1fr;
  grid-template-rows: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────────────────────────── */

#sidebar {
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#tc-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 14px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
}

#tc-logo { font-size: 18px; }
#tc-title { flex: 1; }

#conn-status {
  font-size: 12px;
  transition: color 0.3s;
}
#conn-status.online    { color: var(--online); }
#conn-status.reconnecting { color: var(--busy); }
#conn-status.offline   { color: var(--offline); }

#channels {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
}

.channel-section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 8px 14px 4px;
}

.channel-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 14px;
  padding: 5px 14px;
  cursor: pointer;
  text-align: left;
  border-radius: 0;
  transition: background 0.15s, color 0.15s;
}
.channel-btn:hover { background: var(--bg-input); color: var(--text); }
.channel-btn.active { background: rgba(245,158,11,0.12); color: var(--accent); font-weight: 600; }

.agent-dot { font-size: 10px; color: var(--offline); }
.agent-dot.online  { color: var(--online); }
.agent-dot.offline { color: var(--offline); }
.agent-dot.busy    { color: var(--busy); }

/* ── Main chat ───────────────────────────────────────────────────────────── */

#chat-area {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 15px;
  min-height: 48px;
}

#chat-title { flex: 1; }

#llm-indicator {
  font-size: 10px;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  color: var(--accent);
  margin-left: auto;
  letter-spacing: 0.02em;
  cursor: default;
  white-space: nowrap;
  opacity: 0.8;
}

/* ── Thinking indicator ──────────────────────────────────────────────────── */

#thinking-indicator {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
#thinking-indicator.hidden { display: none; }

.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: bounce 1.2s ease-in-out infinite;
}
.dot:nth-child(2) { animation-delay: 0.2s; }
.dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30%           { transform: translateY(-5px); opacity: 1; }
}

/* ── Messages ────────────────────────────────────────────────────────────── */

#messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  scroll-behavior: smooth;
}

#messages::-webkit-scrollbar { width: 6px; }
#messages::-webkit-scrollbar-track { background: transparent; }
#messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.msg {
  display: flex;
  flex-direction: column;
  max-width: 80%;
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 14px;
  line-height: 1.5;
  animation: fadeIn 0.15s ease;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; } }

/* Agent messages: left-aligned */
.msg.agent {
  align-self: flex-start;
  background: var(--bg-message);
  border: 1px solid var(--border);
}

/* User messages: right-aligned */
.msg.user {
  align-self: flex-end;
  background: rgba(245,158,11,0.12);
  border: 1px solid var(--accent-dim);
}

.msg-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 3px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.msg-author {
  font-weight: 700;
  font-size: 12px;
}
.msg-author.jon     { color: var(--jon); }
.msg-author.michael { color: var(--michael); }
.msg-author.mack    { color: var(--mack); }
.msg-author.rex     { color: var(--rex); }
.msg-author.sasha   { color: var(--sasha); }
.msg-author.user    { color: var(--user); }
.msg-author.human   { color: var(--michael); }  /* humans default to purple */

.msg-text {
  white-space: normal;
  word-break: break-word;
}

/* Code blocks */
.code-block {
  position: relative;
  background: #0a0a0c;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin: 8px 0;
  overflow: hidden;
}
.code-lang {
  font-size: 11px;
  color: var(--text-muted);
  padding: 4px 10px;
  background: #111113;
  border-bottom: 1px solid var(--border);
  font-family: monospace;
}
.code-block pre {
  padding: 10px 12px;
  overflow-x: auto;
  margin: 0;
}
.code-block code {
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 13px;
  color: #e2e8f0;
  white-space: pre;
}
.copy-btn {
  position: absolute;
  top: 4px;
  right: 6px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-dim);
  font-size: 11px;
  padding: 2px 7px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}
.copy-btn:hover { color: var(--accent); border-color: var(--accent); }

/* Inline code */
.inline-code {
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 12px;
  background: #0a0a0c;
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 5px;
  color: var(--accent);
}

/* Lists in messages */
.msg-text ul {
  margin: 4px 0 4px 16px;
  padding: 0;
}
.msg-text li { margin: 2px 0; }

/* System messages */
.msg.system {
  align-self: center;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  padding: 2px 0;
  font-style: italic;
}

/* Streaming cursor */
.stream-cursor::after {
  content: '▋';
  animation: blink 0.8s step-end infinite;
  color: var(--accent);
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* ── Input area ──────────────────────────────────────────────────────────── */

#input-area {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg-sidebar);
}

#input-mode-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 18px;
  width: 38px; height: 38px;
  cursor: pointer;
  color: var(--text-dim);
  transition: border-color 0.15s, color 0.15s;
  flex-shrink: 0;
}
#input-mode-toggle:hover { border-color: var(--accent); color: var(--accent); }
#input-mode-toggle.ambient { border-color: var(--online); }
#input-mode-toggle.ptt     { border-color: var(--accent); }
#input-mode-toggle.silent  { border-color: var(--offline); }

#text-input-wrap { flex: 1; }

#text-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  line-height: 1.5;
  padding: 8px 12px;
  resize: none;
  outline: none;
  max-height: 120px;
  overflow-y: auto;
  transition: border-color 0.15s;
}
#text-input:focus { border-color: var(--accent); }
#text-input::placeholder { color: var(--text-muted); }

#send-btn {
  background: var(--accent);
  border: none;
  border-radius: 8px;
  color: #000;
  font-size: 16px;
  width: 38px; height: 38px;
  cursor: pointer;
  flex-shrink: 0;
  transition: opacity 0.15s;
}
#send-btn:hover { opacity: 0.85; }
#send-btn:disabled { opacity: 0.3; cursor: default; }

/* ── Auth overlay ────────────────────────────────────────────────────────── */

#auth-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(4px);
}

#auth-box {
  background: var(--bg-sidebar);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  width: 340px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#auth-logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-bottom: 4px;
}

#auth-box p { font-size: 14px; color: var(--text-dim); }

#auth-box input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  padding: 9px 12px;
  outline: none;
  width: 100%;
  transition: border-color 0.15s;
}
#auth-box input:focus { border-color: var(--accent); }

#connect-btn {
  background: var(--accent);
  border: none;
  border-radius: 8px;
  color: #000;
  font-size: 15px;
  font-weight: 700;
  padding: 10px;
  cursor: pointer;
  width: 100%;
  transition: opacity 0.15s;
}
#connect-btn:hover { opacity: 0.85; }

#auth-error {
  color: var(--error);
  font-size: 13px;
}
#auth-error.hidden { display: none; }

/* Agent model indicator in sidebar */
.agent-model {
  font-size: 0.65rem;
  color: #f0c040;
  font-weight: bold;
  margin-left: auto;
}

/* ── Inline Typing Indicators (v0.5) ─────────────────────────────────────── */

#typing-indicators {
  padding: 4px 20px 8px;
  font-size: 13px;
  color: var(--text-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.typing-indicator {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  animation: fadeIn 0.2s ease;
}

.typing-dots {
  animation: pulse 1.2s ease-in-out infinite;
  letter-spacing: 1px;
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50%      { opacity: 1; }
}