/* ============================================================================
   Claude Workspace — multi-chat grid UI
   ============================================================================ */

.cw-root {
  display: flex;
  flex-direction: column;
  /* main ya descuenta el header via padding-top; aquí ocupamos solo el espacio
     restante del main (100% del flex-item interno). */
  height: 100%;
  min-height: 0;
  gap: 12px;
  padding: 0 12px 12px;
}

/* ─── Toolbar ─────────────────────────────────────────────── */
.cw-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--card-bg, #162330);
  border: 1px solid var(--border, #2a3f55);
  border-radius: 10px;
  flex-wrap: wrap;
}
.cw-toolbar h1 {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text, #e8eef5);
}
.cw-toolbar-spacer { flex: 1; }

.cw-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  background: var(--bg-3, #1e2f3f);
  border: 1px solid var(--border, #2a3f55);
  border-radius: 6px;
  color: var(--text-dim, #94a8be);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}
.cw-btn:hover {
  border-color: var(--accent, #57cc98);
  color: var(--accent, #57cc98);
}
.cw-btn.cw-btn-primary {
  background: var(--accent, #57cc98);
  color: #0f1923;
  border-color: var(--accent, #57cc98);
}
.cw-btn.cw-btn-primary:hover { opacity: 0.9; }
.cw-btn.cw-btn-danger { color: #ef4444; }
.cw-btn.cw-btn-danger:hover { border-color: #ef4444; }

.cw-select {
  padding: 7px 10px;
  background: var(--bg-3, #1e2f3f);
  border: 1px solid var(--border, #2a3f55);
  border-radius: 6px;
  color: var(--text, #e8eef5);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
}

.cw-mode-toggle {
  display: flex;
  background: var(--bg-3, #1e2f3f);
  border: 1px solid var(--border, #2a3f55);
  border-radius: 6px;
  overflow: hidden;
}
.cw-mode-toggle button {
  padding: 6px 12px;
  background: transparent;
  border: none;
  color: var(--text-dim, #94a8be);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}
.cw-mode-toggle button.active {
  background: var(--accent, #57cc98);
  color: #0f1923;
}

/* ─── Grid ────────────────────────────────────────────────── */
.cw-grid {
  flex: 1;
  display: grid;
  gap: 10px;
  overflow: hidden;
  min-height: 0;
}
.cw-grid.mode-active {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}
.cw-grid.mode-compact {
  grid-template-columns: 2fr 1fr;
  grid-template-rows: 1fr 1fr;
}
.cw-grid.mode-overview {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  grid-auto-rows: 160px;
}

/* cuando sólo hay 1 panel, que ocupe todo */
.cw-grid.mode-active:has(.cw-panel:only-child) {
  grid-template-columns: 1fr;
  grid-template-rows: 1fr;
}
.cw-grid.mode-active:has(.cw-panel:nth-child(2):last-child) {
  grid-template-rows: 1fr;
}

/* ─── Panel ───────────────────────────────────────────────── */
.cw-panel {
  display: flex;
  flex-direction: column;
  background: var(--card-bg, #162330);
  border: 1px solid var(--border, #2a3f55);
  border-radius: 10px;
  overflow: hidden;
  min-height: 0;
  position: relative;
  transition: border-color 0.15s;
}
.cw-panel.focused {
  border-color: var(--accent, #57cc98);
  box-shadow: 0 0 0 1px var(--accent, #57cc98);
}
.cw-panel.has-badge::after {
  content: '';
  position: absolute;
  top: 12px;
  right: 12px;
  width: 8px;
  height: 8px;
  background: var(--accent, #57cc98);
  border-radius: 50%;
  animation: cwPulse 1.5s infinite;
}
@keyframes cwPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ─── Panel header ───────────────────────────────────────── */
.cw-panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-3, #1e2f3f);
  border-bottom: 1px solid var(--border, #2a3f55);
  flex-shrink: 0;
  min-height: 40px;
}
.cw-panel-title {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text, #e8eef5);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  padding: 2px 4px;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cw-panel-title:focus {
  outline: 1px solid var(--accent, #57cc98);
  border-radius: 3px;
}
.cw-panel-model {
  padding: 3px 8px;
  background: var(--bg, #0f1923);
  border: 1px solid var(--border, #2a3f55);
  border-radius: 4px;
  color: var(--text-dim, #94a8be);
  font-size: 11px;
  font-family: inherit;
  cursor: pointer;
}
.cw-panel-close {
  background: transparent;
  border: none;
  color: var(--text-muted, #6b8096);
  cursor: pointer;
  padding: 3px 6px;
  border-radius: 4px;
  font-size: 14px;
  line-height: 1;
}
.cw-panel-close:hover {
  color: #ef4444;
  background: rgba(239,68,68,0.1);
}

/* ─── Mensajes ──────────────────────────────────────────── */
.cw-panel-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--border, #2a3f55) transparent;
}
.cw-panel-messages::-webkit-scrollbar { width: 6px; }
.cw-panel-messages::-webkit-scrollbar-thumb { background: var(--border, #2a3f55); border-radius: 3px; }

.cw-message {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 100%;
  position: relative;
}
.cw-message-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--text-muted, #6b8096);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}
.cw-message.user .cw-message-header { color: #64b5f6; }
.cw-message.assistant .cw-message-header { color: var(--accent, #57cc98); }
.cw-message.error .cw-message-header { color: #ef4444; }

.cw-message-body {
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.55;
  word-wrap: break-word;
  color: var(--text, #e8eef5);
}
.cw-message.user .cw-message-body {
  background: rgba(100,181,246,0.08);
  border-left: 2px solid #64b5f6;
}
.cw-message.assistant .cw-message-body {
  background: rgba(87,204,152,0.06);
  border-left: 2px solid var(--accent, #57cc98);
}
.cw-message.error .cw-message-body {
  background: rgba(239,68,68,0.08);
  border-left: 2px solid #ef4444;
  color: #ef4444;
}
.cw-message.streaming .cw-message-body::after {
  content: '▊';
  animation: cwBlink 1s infinite;
  color: var(--accent, #57cc98);
}
@keyframes cwBlink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.cw-message-actions {
  display: flex;
  gap: 6px;
  opacity: 0;
  transition: opacity 0.15s;
  margin-top: 2px;
}
.cw-message:hover .cw-message-actions { opacity: 1; }
.cw-message-action {
  padding: 2px 8px;
  background: transparent;
  border: 1px solid var(--border, #2a3f55);
  border-radius: 4px;
  color: var(--text-dim, #94a8be);
  font-size: 11px;
  cursor: pointer;
  font-family: inherit;
}
.cw-message-action:hover {
  color: var(--accent, #57cc98);
  border-color: var(--accent, #57cc98);
}

/* markdown básico dentro de mensajes */
.cw-message-body p { margin: 0 0 8px; }
.cw-message-body p:last-child { margin-bottom: 0; }
.cw-message-body code {
  background: rgba(0,0,0,0.3);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
}
.cw-message-body pre {
  background: rgba(0,0,0,0.35);
  padding: 10px 12px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 6px 0;
  font-size: 12px;
}
.cw-message-body pre code {
  background: transparent;
  padding: 0;
}
.cw-message-body ul, .cw-message-body ol { margin: 4px 0 8px 20px; }
.cw-message-body li { margin-bottom: 2px; }
.cw-message-body strong { color: var(--text, #e8eef5); font-weight: 600; }
.cw-message-body a { color: var(--accent, #57cc98); text-decoration: underline; }

/* ─── Input ──────────────────────────────────────────────── */
.cw-panel-input {
  display: flex;
  gap: 8px;
  padding: 10px;
  background: var(--bg-3, #1e2f3f);
  border-top: 1px solid var(--border, #2a3f55);
  flex-shrink: 0;
  align-items: flex-end;
}
.cw-panel-textarea {
  flex: 1;
  background: var(--bg, #0f1923);
  border: 1px solid var(--border, #2a3f55);
  border-radius: 6px;
  color: var(--text, #e8eef5);
  font-size: 13px;
  font-family: inherit;
  padding: 8px 10px;
  resize: none;
  min-height: 38px;
  max-height: 180px;
  line-height: 1.45;
  transition: border-color 0.15s;
}
.cw-panel.focused .cw-panel-textarea {
  border-color: var(--accent-dim, #3fa37a);
}
.cw-panel-textarea:focus {
  outline: none;
  border-color: var(--accent, #57cc98);
}
.cw-panel:not(.focused) .cw-panel-textarea {
  opacity: 0.6;
}

.cw-send-btn {
  padding: 8px 14px;
  background: var(--accent, #57cc98);
  color: #0f1923;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  transition: opacity 0.15s;
  white-space: nowrap;
}
.cw-send-btn:hover { opacity: 0.9; }
.cw-send-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.cw-cancel-btn {
  padding: 8px 14px;
  background: transparent;
  color: #ef4444;
  border: 1px solid #ef4444;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
}

/* ─── Panel footer (tokens + coste) ─────────────────────── */
.cw-panel-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 12px;
  background: var(--bg, #0f1923);
  border-top: 1px solid var(--border, #2a3f55);
  font-size: 10px;
  color: var(--text-muted, #6b8096);
  flex-shrink: 0;
}

/* ─── Overview mode — tarjeta compacta ────────────────── */
.cw-grid.mode-overview .cw-panel-messages,
.cw-grid.mode-overview .cw-panel-input {
  display: none;
}
.cw-grid.mode-overview .cw-panel {
  cursor: pointer;
}
.cw-grid.mode-overview .cw-panel-preview {
  padding: 10px 12px;
  color: var(--text-dim, #94a8be);
  font-size: 12px;
  line-height: 1.5;
  flex: 1;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 5;
  -webkit-box-orient: vertical;
}
.cw-panel-preview {
  display: none;
}
.cw-grid.mode-overview .cw-panel-preview {
  display: -webkit-box;
}

/* ─── Empty state ────────────────────────────────────────── */
.cw-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted, #6b8096);
  gap: 12px;
}
.cw-empty-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-dim, #94a8be);
}
.cw-empty-desc {
  font-size: 13px;
  max-width: 400px;
  text-align: center;
  line-height: 1.5;
}

/* ─── Search overlay ───────────────────────────────────── */
.cw-search-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,25,35,0.85);
  backdrop-filter: blur(4px);
  z-index: 1000;
  padding-top: 80px;
  justify-content: center;
  align-items: flex-start;
}
.cw-search-overlay.open { display: flex; }
.cw-search-box {
  width: 600px;
  max-width: 90%;
  background: var(--card-bg, #162330);
  border: 1px solid var(--border, #2a3f55);
  border-radius: 10px;
  padding: 16px;
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cw-search-input {
  padding: 12px 14px;
  background: var(--bg, #0f1923);
  border: 1px solid var(--border, #2a3f55);
  border-radius: 6px;
  color: var(--text, #e8eef5);
  font-size: 14px;
  font-family: inherit;
}
.cw-search-results {
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cw-search-result {
  padding: 10px 12px;
  background: var(--bg-3, #1e2f3f);
  border: 1px solid var(--border, #2a3f55);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}
.cw-search-result:hover {
  border-color: var(--accent, #57cc98);
  background: rgba(87,204,152,0.05);
}
.cw-search-result-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text, #e8eef5);
  margin-bottom: 4px;
}
.cw-search-result-extract {
  font-size: 12px;
  color: var(--text-dim, #94a8be);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ─── Toast notifications ─────────────────────────────── */
.cw-toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 12px 18px;
  background: var(--card-bg, #162330);
  border: 1px solid var(--border, #2a3f55);
  border-left: 3px solid var(--accent, #57cc98);
  border-radius: 8px;
  color: var(--text, #e8eef5);
  font-size: 13px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  z-index: 2000;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.2s;
}
.cw-toast.show {
  opacity: 1;
  transform: translateY(0);
}
.cw-toast.error { border-left-color: #ef4444; }
.cw-toast.warning { border-left-color: #f59e0b; }

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .cw-grid.mode-active,
  .cw-grid.mode-compact {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 1fr;
  }
}
@media (max-width: 600px) {
  .cw-grid.mode-active,
  .cw-grid.mode-compact {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
  }
  .cw-panel:not(.focused) {
    display: none;
  }
  .cw-toolbar h1 span { display: none; }
}