:root {
  color-scheme: dark;
  --bg: #0f1419;
  --panel: #1a212b;
  --panel-2: #232c39;
  --border: #2c3744;
  --text: #e4e9f0;
  --muted: #8895a8;
  --accent: #4a9eff;
  --accent-fg: #fff;
  --user: #2d4a6b;
  --assistant: #233233;
  --danger: #d4634a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.4;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  background: var(--accent);
  color: var(--accent-fg);
  border: 0;
  border-radius: 4px;
  padding: 6px 12px;
  cursor: pointer;
}
button:hover { filter: brightness(1.1); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

input, select, textarea {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 8px;
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: 1px solid var(--accent);
  border-color: var(--accent);
}

.topbar {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.topbar h1 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}
.topbar h1 .env {
  font-size: 11px;
  background: var(--panel-2);
  padding: 2px 6px;
  border-radius: 3px;
  margin-left: 6px;
  color: var(--muted);
}
.key-row {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
}
.key-row label { color: var(--muted); font-size: 12px; }
.key-row input { width: 280px; }
.status { color: var(--muted); font-size: 12px; min-width: 140px; }

.layout {
  display: grid;
  grid-template-columns: 240px 1fr 320px;
  gap: 12px;
  padding: 12px;
  height: calc(100vh - 50px);
}

.sidebar, .inspector { overflow-y: auto; }
.center {
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
}

.block {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  margin-bottom: 12px;
}
.block h2 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin: 0 0 8px;
  font-weight: 600;
}
.block-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.block-head h2 { margin: 0; }
.block-head button {
  padding: 2px 8px;
  font-size: 12px;
}

.muted { color: var(--muted); font-size: 12px; }

#usuario_info { margin-top: 6px; font-size: 12px; line-height: 1.6; }
#usuario_info .pill {
  background: var(--panel-2);
  padding: 1px 6px;
  border-radius: 3px;
  margin-right: 4px;
  font-size: 11px;
}

.chats-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-height: 100%;
}
.chats-list li {
  padding: 6px 8px;
  border-radius: 4px;
  cursor: pointer;
  margin-bottom: 2px;
  font-size: 13px;
  border: 1px solid transparent;
}
.chats-list li:hover { background: var(--panel-2); }
.chats-list li.active {
  background: var(--panel-2);
  border-color: var(--accent);
}
.chats-list li .chat-title {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chats-list li .chat-date {
  font-size: 11px;
  color: var(--muted);
}

.context-row {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(280px, 1.4fr);
  gap: 12px;
  flex-shrink: 0;
}
.context-row.hidden { display: none; }
.context-block {
  margin-bottom: 0;
  flex-shrink: 0;
  padding: 8px 12px;
}
.context-block h2 { margin-bottom: 6px; }

button.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 2px 8px;
  font-size: 11px;
}
button.ghost:hover {
  color: var(--text);
  border-color: var(--accent);
}
button.ghost.danger:hover {
  color: var(--danger);
  border-color: var(--danger);
}
.reveal-context {
  align-self: flex-start;
  flex-shrink: 0;
}
.head-right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.chats-list li {
  position: relative;
}
.chats-list .chat-remove {
  position: absolute;
  right: 4px;
  top: 4px;
  background: transparent;
  color: var(--muted);
  padding: 0 5px;
  font-size: 14px;
  line-height: 1;
  border-radius: 3px;
  opacity: 0;
}
.chats-list li:hover .chat-remove { opacity: 1; }
.chats-list .chat-remove:hover { color: var(--danger); background: rgba(212, 99, 74, 0.12); }

.cuenta-search { position: relative; }
.cuenta-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  list-style: none;
  padding: 4px;
  margin: 4px 0 0;
  max-height: 240px;
  overflow-y: auto;
  z-index: 10;
  display: none;
}
.cuenta-results.open { display: block; }
.cuenta-results li {
  padding: 6px 8px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 13px;
}
.cuenta-results li:hover { background: var(--panel); }
.cuenta-results li .meta {
  font-size: 11px;
  color: var(--muted);
  margin-left: 6px;
}

.chips {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.chips li {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 3px 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
}
.chips .remove {
  background: transparent;
  color: var(--muted);
  padding: 0 2px;
  font-size: 14px;
  line-height: 1;
}
.chips .remove:hover { color: var(--danger); }

.visual-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1.2fr;
  gap: 8px;
}
.visual-row label {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 12px;
  color: var(--muted);
  min-width: 0;
}
.visual-row label em { color: var(--danger); font-style: normal; }

.transcript-block {
  flex: 1;
  display: flex;
  flex-direction: column;
  margin-bottom: 0;
  min-height: 0;
}
.messages {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.message {
  padding: 8px 12px;
  border-radius: 6px;
  max-width: 92%;
  white-space: pre-wrap;
  word-wrap: break-word;
  border: 1px solid var(--border);
}
.message.user {
  background: var(--user);
  align-self: flex-end;
}
.message.assistant {
  background: var(--assistant);
  align-self: flex-start;
}
.message.error {
  background: rgba(212, 99, 74, 0.18);
  border-color: var(--danger);
  align-self: flex-start;
}
.message .role {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 3px;
  letter-spacing: 0.06em;
}

.composer {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}
.composer textarea {
  flex: 1;
  resize: vertical;
  min-height: 60px;
}
.composer button {
  align-self: flex-end;
  padding: 10px 24px;
}

.inspector pre {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 10px;
  margin: 0;
  font-size: 11px;
  white-space: pre-wrap;
  word-wrap: break-word;
  max-height: calc(100vh - 130px);
  overflow-y: auto;
}

@media (max-width: 1100px) {
  .layout { grid-template-columns: 220px 1fr; }
  .inspector { display: none; }
}