:root {
  --bg: #10131a;
  --panel: #171b24;
  --panel-2: #1e2430;
  --line: #2a3140;
  --text: #e6e9ef;
  --muted: #8b94a6;
  --accent: #6ea8fe;
  --user: #2b4f8a;
  --agent: #232b39;
  --warn: #f0a35e;
  --good: #6bd08a;
  --bad: #e8697d;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ---------- header ---------- */

header {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

.title-block h1 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.subtitle {
  color: var(--muted);
  font-size: 12.5px;
}

.pickers {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  margin-left: auto;
  flex-wrap: wrap;
}

.picker-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.picker-caption {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 600;
  padding-left: 2px;
}

.picker-group.disabled .picker-caption {
  opacity: 0.4;
}

.mode-picker {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.mode-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  padding: 7px 14px;
  border-radius: 7px;
  cursor: pointer;
  white-space: nowrap;
}

.mode-btn:hover {
  color: var(--text);
}

.mode-btn.active {
  background: var(--accent);
  color: #0d1420;
  font-weight: 600;
}

.mode-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.mode-btn:disabled:hover {
  color: var(--muted);
}

.status-block {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--muted);
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--warn);
}

.status-dot.on {
  background: var(--good);
}

.status-dot.off {
  background: var(--bad);
}

.model-badge {
  font-family: var(--mono);
  font-size: 11px;
  padding: 3px 7px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 5px;
}

.mode-note {
  padding: 9px 20px;
  background: var(--panel-2);
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}

.mode-note strong {
  color: var(--text);
  font-weight: 600;
}

.mode-note .cap-note {
  display: inline-block;
  margin-top: 6px;
  color: var(--warn);
}

.mode-note .cap-note code {
  color: var(--warn);
}

/* ---------- layout ---------- */

main {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 34%);
  min-height: 0;
}

.chat-pane,
.console-pane {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.console-pane {
  border-left: 1px solid var(--line);
  background: var(--panel);
}

.pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
}

.pane-header h2 {
  margin: 0;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 600;
}

.pane-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hint {
  font-size: 11.5px;
  color: var(--muted);
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  color: var(--muted);
  cursor: pointer;
}

.ghost-btn {
  appearance: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  font: inherit;
  font-size: 11.5px;
  padding: 3px 9px;
  border-radius: 5px;
  cursor: pointer;
}

.ghost-btn:hover {
  color: var(--text);
  border-color: var(--muted);
}

/* ---------- messages ---------- */

#messages {
  flex: 1;
  overflow-y: auto;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.msg {
  max-width: 78%;
  padding: 9px 13px;
  border-radius: 12px;
  white-space: pre-wrap;
  word-wrap: break-word;
}

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

.msg.agent {
  align-self: flex-start;
  background: var(--agent);
  border-bottom-left-radius: 4px;
}

.msg.system {
  align-self: center;
  background: transparent;
  border: 1px dashed var(--line);
  color: var(--muted);
  font-size: 12.5px;
  max-width: 92%;
  text-align: center;
}

.msg .stamp {
  display: block;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--muted);
  margin-bottom: 3px;
}

.msg.slow .stamp {
  color: var(--warn);
}

.msg.transcript {
  opacity: 0.72;
  font-style: italic;
}

/* ---------- silence meter ---------- */

.silence-meter {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 16px 8px;
  padding: 9px 13px;
  border-radius: 9px;
  background: rgba(240, 163, 94, 0.1);
  border: 1px solid rgba(240, 163, 94, 0.35);
  color: var(--warn);
  font-family: var(--mono);
  font-size: 12.5px;
}

.silence-meter.long {
  background: rgba(232, 105, 125, 0.12);
  border-color: rgba(232, 105, 125, 0.4);
  color: var(--bad);
}

/* ---------- composer ---------- */

.composer {
  display: flex;
  gap: 8px;
  padding: 12px 16px 8px;
  border-top: 1px solid var(--line);
}

.composer input {
  flex: 1;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 10px 13px;
  color: var(--text);
  font: inherit;
  outline: none;
}

.composer input:focus {
  border-color: var(--accent);
}

.composer button {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  padding: 10px 16px;
  border-radius: 9px;
  cursor: pointer;
}

.composer button:hover:not(:disabled) {
  border-color: var(--accent);
}

.composer button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

#audioButton.recording {
  background: var(--bad);
  border-color: var(--bad);
  color: #fff;
}

.prompt-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 16px 14px;
}

.chip {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  padding: 5px 11px;
  border-radius: 999px;
  cursor: pointer;
}

.chip:hover {
  color: var(--text);
  border-color: var(--accent);
}

/* ---------- console ---------- */

.console-content {
  flex: 1;
  overflow-y: auto;
  padding: 10px 12px;
  font-family: var(--mono);
  font-size: 11.5px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.log {
  display: flex;
  gap: 8px;
  padding: 5px 8px;
  border-radius: 6px;
  background: var(--panel-2);
  border-left: 2px solid var(--line);
}

.log .t {
  color: var(--muted);
  flex-shrink: 0;
}

.log .body {
  min-width: 0;
  word-break: break-word;
}

.log.call {
  border-left-color: var(--accent);
}

.log.resp {
  border-left-color: var(--good);
}

.log.partial {
  border-left-color: var(--warn);
}

.log.tool {
  border-left-color: #b98ce0;
  color: #d9c2f2;
}

.log.meta {
  border-left-color: var(--line);
  color: var(--muted);
}

.log .k {
  color: var(--accent);
}

.log .flag {
  display: inline-block;
  padding: 0 5px;
  margin-left: 5px;
  border-radius: 4px;
  background: rgba(240, 163, 94, 0.18);
  color: var(--warn);
  font-size: 10px;
}