/* ============================================================================
 * agent-shell.css — Layout y componentes compartidos por agentes conversacionales
 *
 * Apps que lo usan: Dispatch (email-assistant), Lens, y futuros agentes que
 * sigan el patrón "panel lateral + chat".
 *
 * Cada app raíz debe usar la clase .agent-app + .{slug}-app para componer:
 *   <div class="agent-app ea-app panel-open">  ← Dispatch
 *   <div class="agent-app lens-app panel-open"> ← Lens
 *
 * Las clases específicas de cada app (selectores propios) viven en su CSS local.
 * ============================================================================ */


/* ─── Layout raíz del agente ─────────────────────────────────────── */
.agent-app {
  flex: 1;
  display: flex;
  min-height: 0;
  overflow: hidden;
}


/* ─── Panel lateral (sidebar de configuración + historial) ───────── */
.agent-panel {
  width: 310px;
  min-width: 310px;
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  padding: 14px 16px 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.25);
  transition: width 0.25s ease, min-width 0.25s ease, padding 0.25s ease,
              opacity 0.2s ease, border-right-color 0.25s ease;
}

.agent-app.panel-closed .agent-panel {
  width: 0;
  min-width: 0;
  padding: 0;
  opacity: 0;
  pointer-events: none;
  border-right-color: transparent;
}


/* ─── Panel topbar (título + pin) ──────────────────────────────── */
.agent-panel .panel-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.agent-panel .panel-topbar-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 600;
}

.agent-panel .pin-btn {
  padding: 3px 8px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 500;
  cursor: pointer;
  width: auto;
  transition: color 0.12s, border-color 0.12s, background 0.12s;
  white-space: nowrap;
}

.agent-panel .pin-btn:hover {
  color: var(--text);
  border-color: var(--border-strong);
  background: transparent;
}

.agent-panel .pin-btn.pinned {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(var(--accent-rgb), 0.1);
}


/* ─── Lengüeta de colapso (entre panel y chat) ──────────────────── */
.agent-app .panel-toggle-btn {
  flex-shrink: 0;
  align-self: center;
  width: 18px;
  height: 64px;
  margin-left: -1px;
  z-index: 5;
  padding: 0;
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  border-radius: 0 8px 8px 0;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-radius 0.25s;
}

.agent-app .panel-toggle-btn:hover {
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.08);
  border-color: rgba(var(--accent-rgb), 0.3);
}

.agent-app.panel-closed .panel-toggle-btn {
  border-radius: 0 8px 8px 0;
  margin-left: 0;
}

.agent-app .panel-toggle-btn .chevron-icon {
  transition: transform 0.25s ease;
}

.agent-app.panel-closed .panel-toggle-btn .chevron-icon {
  transform: rotate(180deg);
}

.agent-app .panel-toggle-btn .grip-icon {
  opacity: 0.35;
}

@keyframes agent-toggle-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0); }
  50%       { box-shadow: 0 0 6px 2px rgba(var(--accent-rgb), 0.22); }
}

.agent-app.panel-open .panel-toggle-btn {
  animation: agent-toggle-glow 2.8s ease-in-out infinite;
}

.agent-app.panel-open .panel-toggle-btn:hover {
  animation: none;
}


/* ─── Form fields (selects, inputs, textareas) ─────────────────── */
.agent-panel .field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-shrink: 0;
}

.agent-panel .field label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.agent-panel select,
.agent-panel input[type="text"],
.agent-panel input[type="number"] {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-elevated-2);
  color: var(--text);
  padding: 8px 10px;
  font: inherit;
}

.agent-panel select:focus,
.agent-panel input[type="text"]:focus,
.agent-panel input[type="number"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.18);
}

.agent-panel button {
  border: none;
  border-radius: 8px;
  padding: 9px 14px;
  cursor: pointer;
  font: inherit;
  font-weight: 500;
  background: var(--accent-2);
  color: white;
  transition: background 0.15s ease;
}

.agent-panel button.primary {
  width: 100%;
}

.agent-panel button:hover:not(:disabled) {
  background: var(--accent);
}

.agent-panel button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}


/* ─── Historial: contenedor + lista de conversaciones ──────────── */
.agent-history {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.conversations-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
  flex: 1;
}

.conversations-list::-webkit-scrollbar { width: 4px; }
.conversations-list::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 2px;
}

.conversations-list .conv-item {
  position: relative;
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--bg-elevated-2);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
  flex-shrink: 0;
}

.conversations-list .conv-item:hover {
  background: rgba(var(--accent-rgb), 0.08);
}

.conversations-list .conv-item.active {
  background: rgba(var(--accent-rgb), 0.18);
  border-color: var(--accent);
}

.conv-title {
  font-size: 0.85rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-right: 18px;
  display: block;
}

.conv-meta {
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: 2px;
  transition: color 0.12s;
}

.conversations-list .conv-item:hover .conv-meta,
.conversations-list .conv-item.active .conv-meta {
  color: rgba(255,255,255,0.65);
}

.conv-config {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  margin-top: 5px;
}

.conv-chip {
  display: inline-block;
  font-size: 0.63rem;
  padding: 1px 5px;
  border-radius: 3px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--muted);
  max-width: 130px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.6;
}

.conv-chip-model {
  background: rgba(var(--accent-rgb), 0.08);
  border-color: rgba(var(--accent-rgb), 0.2);
  color: rgba(var(--accent-rgb), 0.75);
}

.conv-delete {
  position: absolute;
  top: 4px; right: 4px;
  width: 18px; height: 18px;
  padding: 0;
  background: transparent;
  color: var(--muted);
  border: none;
  border-radius: 4px;
  font-size: 0.9rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s;
}

.conversations-list .conv-item:hover .conv-delete { opacity: 1; }
.conv-delete:hover {
  background: rgba(239,68,68,0.15);
  color: var(--error);
}


/* ─── Meta info (modelo / iteraciones / coste) ─────────────────── */
.agent-history .meta-chat {
  flex-shrink: 0;
  margin-top: 4px;
  padding: 8px 0 0;
  border-top: 1px solid var(--border);
}

.agent-history .meta-chat .meta-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--muted);
  padding: 2px 0;
}

.agent-history .meta-chat .meta-row span:last-child {
  color: var(--text);
  font-family: ui-monospace, monospace;
  max-width: 55%;
  text-align: right;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}


/* ─── Área principal: chat ─────────────────────────────────────── */
.agent-app .chat {
  flex: 1;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  height: 100%;
  padding: 20px 28px;
  gap: 16px;
  overflow: hidden;
  min-height: 0;
  min-width: 0;
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  gap: 12px;
}

.chat-header-text {
  flex: 1;
  min-width: 0;
}

.chat-header-text h1 {
  margin: 0 0 2px;
  font-size: 1.4rem;
  font-weight: 600;
  cursor: default;
}

.chat-header-text h1[contenteditable="true"] { cursor: text; }

.chat-header-text h1.editing {
  background: var(--bg-elevated-2);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 2px 10px;
  outline: none;
}

.chat-header-text .subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.chat-header-actions {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}


/* ─── Chat box (contenedor de mensajes con scroll) ─────────────── */
.chat-box {
  background: var(--bg-elevated);
  border: 1px solid rgb(190 193 193 / 18%);
  border-radius: 16px;
  padding: 20px 18px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  min-height: 0;
}

.chat-box::-webkit-scrollbar { width: 5px; }
.chat-box::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 3px;
}

.chat-box .empty {
  margin: auto;
  color: var(--muted);
  font-size: 0.95rem;
  text-align: center;
  line-height: 1.6;
}


/* ─── Mensajes (burbujas user / assistant / error / system) ────── */
.msg {
  max-width: 90%;
  padding: 14px 18px;
  border-radius: 18px;
  font-size: 0.97rem;
  line-height: 1.68;
  word-wrap: break-word;
}

.msg.user {
  align-self: flex-end;
  background: linear-gradient(140deg, #0891b2 0%, #06b6d4 100%);
  color: #fff;
  border-bottom-right-radius: 5px;
  box-shadow: 0 3px 14px rgba(var(--accent-rgb), 0.28);
}

.msg.user:hover {
  border-color: rgba(243, 246, 247, 0.3);
}

.msg.assistant {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom-left-radius: 5px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.msg.assistant:hover {
  border-color: rgba(var(--accent-rgb), 0.3);
}

.msg.error {
  align-self: flex-start;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fecaca;
  border-radius: 14px;
}

.msg.system {
  align-self: flex-start;
  background: rgba(255,255,255,0.04);
  border: 1px dashed rgba(255,255,255,0.15);
  color: var(--muted);
  font-size: 0.86rem;
  padding: 10px 14px;
  border-radius: 10px;
  max-width: 90%;
}


/* ─── Contenido markdown dentro de mensajes ────────────────────── */
.msg-content {
  font-size: inherit;
  line-height: inherit;
}

.msg-content p { margin: 0 0 8px; }
.msg-content p:last-child { margin-bottom: 0; }

.msg-content h1, .msg-content h2, .msg-content h3,
.msg-content h4, .msg-content h5, .msg-content h6 {
  margin: 12px 0 4px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.msg-content h1 { font-size: 1.2em; }
.msg-content h2 { font-size: 1.1em; }
.msg-content h3 { font-size: 1.0em; }
.msg-content h4, .msg-content h5, .msg-content h6 { font-size: 0.95em; opacity: 0.9; }
.msg-content :is(h1,h2,h3,h4,h5,h6):first-child { margin-top: 0; }

.msg-content strong { font-weight: 650; }
.msg-content em     { opacity: 0.9; }

.msg-content ul, .msg-content ol {
  margin: 4px 0 8px;
  padding-left: 22px;
}
.msg-content li { margin-bottom: 3px; }
.msg-content li > ul, .msg-content li > ol { margin: 2px 0 2px; }

.msg-content code {
  background: rgba(0, 0, 0, 0.3);
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 0.86em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.01em;
}
.msg.user .msg-content code { background: rgba(0, 0, 0, 0.22); }

.msg-content pre {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border, rgba(255,255,255,0.08));
  border-radius: 8px;
  padding: 12px 14px;
  margin: 8px 0;
  overflow-x: auto;
}
.msg-content pre code {
  background: none;
  padding: 0;
  font-size: 0.84em;
  border-radius: 0;
}

.msg-content blockquote {
  border-left: 3px solid var(--accent);
  margin: 8px 0;
  padding: 4px 12px;
  opacity: 0.85;
  font-style: italic;
}

.msg-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0;
  font-size: 0.88em;
}
.msg-content th, .msg-content td {
  border: 1px solid var(--border, rgba(255,255,255,0.12));
  padding: 5px 10px;
  text-align: left;
}
.msg-content th {
  background: rgba(255,255,255,0.05);
  font-weight: 600;
}

.msg-content a {
  color: var(--accent);
  text-decoration: none;
}
.msg-content a:hover { text-decoration: underline; }

.msg-content hr {
  border: none;
  border-top: 1px solid var(--border, rgba(255,255,255,0.12));
  margin: 10px 0;
}


/* ─── Grupo mensaje + feedback (feedback debajo de la burbuja) ─── */
.msg-group {
  align-self: flex-start;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}


/* ─── Progreso de tool (texto inline en mensaje del asistente) ── */
.msg-progress {
  font-size: 0.78rem;
  color: var(--muted);
  padding: 2px 0 4px;
  font-style: italic;
  animation: agent-pulse-opacity 1.4s ease-in-out infinite;
}

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


/* ─── Compositor (textarea + botón enviar) ─────────────────────── */
.composer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: end;
}

.composer textarea {
  min-height: 50px;
  max-height: 200px;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-elevated-2);
  color: var(--text);
  padding: 10px 13px;
  font: inherit;
  font-size: 0.80rem;
  resize: vertical;
  line-height: 1.55;
}

.composer textarea::placeholder { font-size: 0.80rem; }

.composer textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.18);
}

.composer button[type="submit"] {
  height: 50px;
  padding: 0 22px;
  width: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  font-size: 0.92rem;
  background: var(--accent-2);
  color: white;
  transition: background 0.15s ease, box-shadow 0.15s ease;
}

.composer button[type="submit"]:hover:not(:disabled) {
  background: var(--accent);
  box-shadow: 0 3px 12px rgba(var(--accent-rgb), 0.3);
}

.composer button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.composer button[type="submit"] .spinner { display: none; }
.composer button[type="submit"].loading .label { display: none; }
.composer button[type="submit"].loading .spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: agent-spin 0.7s linear infinite;
}

@keyframes agent-spin { to { transform: rotate(360deg); } }


/* ─── Responsivo ───────────────────────────────────────────────── */
@media (max-width: 860px) {
  .agent-app .chat { padding: 16px 18px; gap: 12px; }
  .msg { max-width: 86%; }
}

@media (max-width: 600px) {
  .agent-app .chat { padding: 12px 10px; gap: 10px; }
  .chat-box { padding: 14px 12px; border-radius: 12px; gap: 10px; }
  .msg {
    max-width: 93%;
    padding: 11px 14px;
    font-size: 0.93rem;
    border-radius: 16px;
  }
  .msg.user      { border-bottom-right-radius: 4px; }
  .msg.assistant { border-bottom-left-radius: 4px; }
  .chat-header-text h1 { font-size: 1.15rem; }

  .composer textarea { font-size: 0.95rem; min-height: 44px; padding: 9px 11px; }
  .composer button[type="submit"]   { height: 44px; padding: 0 16px; font-size: 0.88rem; }
}


/* ─── Feedback 👍/👎 (compartido entre agentes) ──────────────────── */
.msg-feedback {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 5px;
  padding: 4px 10px 4px 8px;
  background: var(--surface, #1e1e2e);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
  opacity: 0.28;
  transition: opacity 0.18s;
}

.msg-group:hover .msg-feedback,
.msg-feedback:hover { opacity: 1; }

.msg-feedback.voted { opacity: 0.7; }

.msg-fb-label {
  font-size: 0.72rem;
  color: var(--muted);
  white-space: nowrap;
  user-select: none;
  margin-right: 2px;
}

.msg-fb-btn {
  background: none;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  padding: 2px 7px;
  font-size: 0.82rem;
  cursor: pointer;
  opacity: 0.45;
  transition: opacity 0.15s, border-color 0.15s, background 0.15s;
  line-height: 1.6;
}

.msg-fb-btn:hover:not(:disabled) {
  opacity: 0.85;
  border-color: rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.06);
}

.msg-fb-btn:disabled { cursor: default; }

.msg-fb-btn.fb-voted-up {
  opacity: 1;
  border-color: rgba(34,197,94,0.5);
  background: rgba(34,197,94,0.1);
  color: #4ade80;
}

.msg-fb-btn.fb-voted-down {
  opacity: 1;
  border-color: rgba(239,68,68,0.45);
  background: rgba(239,68,68,0.08);
  color: #f87171;
}