/* ── myNotion — sistema de diseño ─────────────────────────────
   Paleta:  porcelana #F4F6F7 · tinta #182026 · caribe #0E8A83
            coral #E2543C · niebla #DCE3E6 · papel #FFFFFF
   Tipos:   Bricolage Grotesque (display) · Public Sans (texto)
            IBM Plex Mono (datos y chips)                        */

:root {
  --porcelain: #f4f6f7;
  --paper: #ffffff;
  --ink: #182026;
  --ink-soft: #5a6a72;
  --mist: #dce3e6;
  --caribe: #0e8a83;
  --caribe-deep: #0a6660;
  --caribe-tint: #e5f3f2;
  --coral: #e2543c;
  --radius: 10px;
  --font-display: 'Bricolage Grotesque', system-ui, sans-serif;
  --font-body: 'Public Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--porcelain);
  font-size: 15px;
  line-height: 1.55;
}
.hidden { display: none !important; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3 { font-family: var(--font-display); }

/* ── Marca: cuadrícula de 4 puntos (los 4 pilares: páginas, drive, índice, agente) ── */
.brand-mark {
  display: grid;
  grid-template-columns: repeat(2, 12px);
  gap: 5px;
  width: max-content;
}
.brand-mark span { width: 12px; height: 12px; border-radius: 3px; background: var(--mist); }
.brand-mark span:nth-child(1) { background: var(--caribe); }
.brand-mark span:nth-child(4) { background: var(--coral); }
.brand-mark.small { grid-template-columns: repeat(2, 7px); gap: 3px; }
.brand-mark.small span { width: 7px; height: 7px; border-radius: 2px; }

/* ── Login ── */
.login-view {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(600px 400px at 85% 10%, var(--caribe-tint), transparent 70%),
    var(--porcelain);
}
.login-card {
  background: var(--paper);
  border: 1px solid var(--mist);
  border-radius: 16px;
  padding: 48px 44px;
  max-width: 420px;
  box-shadow: 0 20px 50px rgba(24, 32, 38, 0.08);
}
.login-card h1 { font-size: 40px; margin: 20px 0 8px; letter-spacing: -0.02em; }
.login-sub { color: var(--ink-soft); margin: 0 0 28px; }
.btn-google {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.btn-google:hover { border-color: var(--caribe); box-shadow: 0 2px 10px rgba(14, 138, 131, 0.15); }
.login-error { color: var(--coral); font-size: 13px; margin-top: 16px; }

/* ── Layout de la app ── */
.app { display: flex; height: 100vh; height: 100dvh; }

.mobile-topbar { display: none; }
.backdrop { display: none; }
.tabbar { display: none; }

.sidebar {
  width: 260px;
  flex-shrink: 0;
  background: var(--ink);
  color: #e8edef;
  display: flex;
  flex-direction: column;
  padding: 18px 14px;
  gap: 18px;
}
.sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 0 8px; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 17px; }

.sidebar-nav { display: flex; flex-direction: column; gap: 2px; }
.nav-item {
  text-align: left;
  background: none;
  border: 0;
  color: #b9c6cb;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
}
.nav-item:hover { background: rgba(255, 255, 255, 0.07); color: #fff; }
.nav-item.active { background: rgba(14, 138, 131, 0.25); color: #fff; }
.nav-item[data-section="chat"] { color: #85d3cc; font-weight: 600; }
.nav-item[data-section="chat"]:hover, .nav-item[data-section="chat"].active { color: #fff; }

.sidebar-pages { flex: 1; overflow-y: auto; min-height: 0; }
.sidebar-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #7e9096;
  padding: 0 10px 6px;
}
.sidebar-label button {
  background: none; border: 0; color: #7e9096; font-size: 16px; line-height: 1;
  padding: 2px 6px; border-radius: 6px;
}
.sidebar-label button:hover { background: rgba(255,255,255,0.1); color: #fff; }
.page-list { list-style: none; margin: 0; padding: 0; }
.page-list li {
  padding: 6px 10px;
  border-radius: 8px;
  color: #cfd9dc;
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.page-list li:hover { background: rgba(255,255,255,0.07); }
.page-list li.active { background: rgba(255,255,255,0.12); color: #fff; }

.sidebar-user {
  display: flex; align-items: center; gap: 10px;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 14px;
}
.sidebar-user img { width: 32px; height: 32px; border-radius: 50%; background: var(--mist); }
.user-meta { display: flex; flex-direction: column; min-width: 0; }
.user-meta span { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-meta .user-email { font-size: 11px; font-weight: 400; color: #7e9096; font-family: var(--font-mono); }
.user-meta button { background: none; border: 0; color: #7e9096; font-size: 12px; padding: 0; text-align: left; }
.user-meta button:hover { color: var(--coral); }

/* ── Main ── */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; background: var(--paper); }
.section { flex: 1; display: flex; flex-direction: column; overflow-y: auto; padding: 32px clamp(24px, 6vw, 80px); }
/* Ancho de lectura cómodo en pantallas grandes */
.section-head, .page-editor, .dropzone, .upload-progress, .doc-list,
.conn-card, .chat-messages, .chat-form {
  width: 100%;
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
}
.section-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 24px; }
.section-head h2 { margin: 0 0 4px; font-size: 26px; letter-spacing: -0.01em; }
.section-sub { margin: 0; color: var(--ink-soft); font-size: 14px; }

.btn {
  border: 1px solid var(--mist);
  background: var(--paper);
  border-radius: var(--radius);
  padding: 8px 14px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
}
.btn:hover { border-color: var(--caribe); }
.btn.primary { background: var(--caribe); border-color: var(--caribe); color: #fff; }
.btn.primary:hover { background: var(--caribe-deep); }
.btn.primary:disabled { opacity: 0.5; cursor: default; }
.btn.ghost { border-color: transparent; color: var(--ink-soft); }
.btn.ghost:hover { border-color: var(--mist); color: var(--ink); }
.btn.danger-ghost { border-color: transparent; color: var(--ink-soft); }
.btn.danger-ghost:hover { color: var(--coral); border-color: var(--coral); }

.empty-state {
  margin: auto;
  text-align: center;
  color: var(--ink-soft);
  display: flex; flex-direction: column; gap: 14px; align-items: center;
}

/* ── Editor de páginas ── */
.page-editor { display: flex; flex-direction: column; flex: 1; min-height: 0; }
.editor-toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.page-icon {
  width: 46px; font-size: 22px; text-align: center;
  border: 1px solid transparent; border-radius: 8px; background: none; padding: 4px 0;
}
.page-icon:hover, .page-icon:focus { border-color: var(--mist); outline: none; }
.page-title {
  flex: 1; min-width: 200px;
  font-family: var(--font-display);
  font-size: 28px; font-weight: 700;
  border: 0; outline: none; padding: 4px 0; color: var(--ink);
  background: none;
}
.toolbar-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.page-content {
  flex: 1;
  border: 0; outline: none; resize: none;
  font-family: var(--font-body);
  font-size: 15.5px; line-height: 1.7;
  color: var(--ink);
  padding: 8px 0;
}
.page-preview { flex: 1; overflow-y: auto; padding: 8px 0; }
.editor-status { font-family: var(--font-mono); font-size: 11px; color: var(--ink-soft); padding-top: 8px; border-top: 1px solid var(--mist); }

/* ── Documentos ── */
.dropzone {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  border: 2px dashed var(--mist);
  border-radius: 14px;
  padding: 36px 20px;
  color: var(--ink-soft);
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.dropzone:hover, .dropzone.dragover { border-color: var(--caribe); background: var(--caribe-tint); }
.dropzone strong { color: var(--ink); }
.dropzone-hint { font-family: var(--font-mono); font-size: 12px; }
.upload-progress { margin-top: 12px; font-size: 13.5px; color: var(--caribe-deep); }

.doc-list { list-style: none; margin: 20px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.doc-item {
  display: flex; align-items: center; gap: 14px;
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: 12px 16px;
  background: var(--paper);
}
.doc-badge {
  font-family: var(--font-mono); font-size: 10px; font-weight: 500;
  width: 40px; text-align: center; padding: 5px 0; border-radius: 6px;
  background: var(--porcelain); color: var(--ink-soft); border: 1px solid var(--mist);
}
.doc-badge.pdf { background: #fdeae6; color: var(--coral); border-color: #f5c4b8; }
.doc-badge.docx { background: #e8effc; color: #2b5fb8; border-color: #c8d9f5; }
.doc-badge.md, .doc-badge.txt { background: var(--caribe-tint); color: var(--caribe-deep); border-color: #cfe7e5; }
.doc-info { flex: 1; min-width: 0; }
.doc-name { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.doc-meta { font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-soft); }
.doc-status { font-family: var(--font-mono); font-size: 11px; padding: 3px 9px; border-radius: 99px; white-space: nowrap; }
.doc-status.indexado { background: var(--caribe-tint); color: var(--caribe-deep); }
.doc-status.pendiente { background: #fdf3e0; color: #a06b12; }
.doc-status.error { background: #fdeae6; color: var(--coral); }
.doc-status.eliminado { background: #eceff1; color: var(--ink-soft); text-decoration: line-through; }
.doc-actions { display: flex; gap: 6px; }
.doc-actions a, .doc-actions button {
  border: 0; background: none; color: var(--ink-soft); font-size: 13px;
  text-decoration: none; padding: 4px 8px; border-radius: 6px;
}
.doc-actions a:hover { color: var(--caribe-deep); background: var(--caribe-tint); }
.doc-actions button:hover { color: var(--coral); background: #fdeae6; }

/* ── Chat ── */
.chat-section { padding-bottom: 20px; }
.chat-head { margin-bottom: 10px; }
.chat-messages {
  flex: 1; overflow-y: auto; min-height: 0;
  display: flex; flex-direction: column; gap: 14px;
  padding: 10px 0 20px;
}
.chat-welcome {
  margin: auto; text-align: center; color: var(--ink-soft);
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  max-width: 420px;
}
.msg { max-width: 72ch; }
.msg.user { align-self: flex-end; }
.msg.user .bubble {
  background: var(--ink); color: #fff;
  border-radius: 14px 14px 4px 14px;
  padding: 10px 16px;
}
.msg.assistant .bubble {
  background: var(--caribe-tint);
  border: 1px solid #cfe7e5;
  border-radius: 4px 14px 14px 14px;
  padding: 12px 18px;
}
.msg .agent-tag {
  font-family: var(--font-mono); font-size: 10.5px;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--caribe-deep); margin-bottom: 4px; display: block;
}
.msg .sources { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.msg .source-chip {
  font-family: var(--font-mono); font-size: 10.5px;
  background: var(--paper); border: 1px solid #cfe7e5;
  color: var(--caribe-deep);
  padding: 2px 8px; border-radius: 99px;
}
.msg.thinking .bubble { color: var(--ink-soft); font-style: italic; }
.msg.error .bubble { background: #fdeae6; border-color: #f5c4b8; color: var(--coral); }

.chat-form { display: flex; gap: 10px; align-items: flex-end; border-top: 1px solid var(--mist); padding-top: 14px; }
.chat-form textarea {
  flex: 1; resize: none;
  border: 1px solid var(--mist); border-radius: var(--radius);
  padding: 10px 14px;
  font-family: var(--font-body); font-size: 15px;
  outline: none;
  max-height: 140px;
}
.chat-form textarea:focus { border-color: var(--caribe); }

/* ── Conexiones ── */
.conn-card {
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 14px;
  background: var(--paper);
}
.conn-card h3 { margin: 0 0 8px; font-size: 16px; }
.conn-card p, .conn-card li { color: var(--ink-soft); font-size: 14px; }
.conn-card ol, .conn-card ul { margin: 8px 0; padding-left: 22px; }
.conn-card code {
  font-family: var(--font-mono); font-size: 12px;
  background: var(--porcelain); padding: 1px 6px; border-radius: 4px;
  word-break: break-all;
}
.conn-url { display: flex; gap: 8px; margin-top: 10px; }
.conn-url input {
  flex: 1; font-family: var(--font-mono); font-size: 12.5px;
  border: 1px solid var(--mist); border-radius: 8px; padding: 9px 12px;
  color: var(--ink-soft); background: var(--porcelain);
}

/* ── Banner de instalación ── */
.install-banner {
  position: fixed;
  right: 20px;
  bottom: 20px;
  max-width: 420px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--paper);
  border: 1px solid var(--mist);
  border-radius: 12px;
  box-shadow: 0 12px 34px rgba(24, 32, 38, 0.16);
  padding: 12px 16px;
  font-size: 13.5px;
  z-index: 45;
}
.install-banner span#install-text { flex: 1; color: var(--ink); }
.install-banner #install-dismiss {
  background: none; border: 0; color: var(--ink-soft);
  font-size: 15px; padding: 4px 8px; border-radius: 6px;
}
.install-banner #install-dismiss:hover { color: var(--coral); }

/* ── Markdown renderizado ── */
.markdown h1, .markdown h2, .markdown h3 { font-family: var(--font-display); line-height: 1.25; }
.markdown pre {
  background: var(--porcelain); border: 1px solid var(--mist);
  border-radius: 8px; padding: 12px; overflow-x: auto;
  font-family: var(--font-mono); font-size: 13px;
}
.markdown code { font-family: var(--font-mono); font-size: 0.9em; background: var(--porcelain); padding: 1px 5px; border-radius: 4px; }
.markdown pre code { background: none; padding: 0; }
.markdown blockquote { border-left: 3px solid var(--caribe); margin: 0; padding-left: 14px; color: var(--ink-soft); }
.markdown table { border-collapse: collapse; }
.markdown th, .markdown td { border: 1px solid var(--mist); padding: 6px 10px; }
.markdown p:first-child { margin-top: 0; }
.markdown p:last-child { margin-bottom: 0; }

/* ── Accesibilidad y responsive ── */
:focus-visible { outline: 2px solid var(--caribe); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* Tablet apaisada / laptop pequeña */
@media (max-width: 1180px) {
  .section { padding: 28px clamp(20px, 4vw, 48px); }
  .sidebar { width: 232px; }
}

/* Tablet vertical y móvil: la barra lateral pasa a ser un cajón deslizante */
@media (max-width: 900px) {
  .app { flex-direction: column; }

  .mobile-topbar {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--ink);
    color: #e8edef;
    padding: 10px 14px;
    padding-top: calc(10px + env(safe-area-inset-top));
    flex-shrink: 0;
    z-index: 30;
  }
  .mobile-topbar button {
    background: none; border: 0; color: #e8edef;
    font-size: 24px; line-height: 1; padding: 6px 10px; border-radius: 8px;
  }
  .mobile-topbar button:active { background: rgba(255, 255, 255, 0.12); }

  .sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: min(300px, 84vw);
    z-index: 40;
    transform: translateX(-105%);
    transition: transform 0.22s ease;
    padding-top: calc(18px + env(safe-area-inset-top));
    padding-bottom: calc(18px + env(safe-area-inset-bottom));
  }
  .sidebar.open { transform: none; box-shadow: 12px 0 40px rgba(24, 32, 38, 0.35); }

  .backdrop {
    position: fixed; inset: 0;
    background: rgba(24, 32, 38, 0.5);
    z-index: 35;
  }
  .backdrop.show { display: block; }

  .main { flex: 1; min-height: 0; }
  .section { padding: 16px 16px 18px; }
  .section-head { flex-direction: column; gap: 10px; margin-bottom: 16px; }
  .section-head h2 { font-size: 22px; }

  /* iOS hace zoom si los campos tienen menos de 16px */
  input, textarea, .page-content, .chat-form textarea { font-size: 16px; }

  /* Editor */
  .editor-toolbar { gap: 6px; }
  .page-title { font-size: 22px; min-width: 140px; }
  .toolbar-actions { width: 100%; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; }
  .toolbar-actions .btn { flex-shrink: 0; padding: 8px 12px; }

  /* Documentos */
  .dropzone { padding: 26px 14px; }
  .doc-item { flex-wrap: wrap; gap: 10px; padding: 12px 14px; }
  .doc-info { flex-basis: calc(100% - 54px); }
  .doc-actions { margin-left: auto; }

  /* Chat */
  .msg { max-width: 94%; }
  .chat-form .btn { padding: 12px 16px; }

  /* Barra de pestañas inferior (la tabbar absorbe el safe-area de iOS) */
  .tabbar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--ink);
    padding: 6px 10px calc(6px + env(safe-area-inset-bottom));
    flex-shrink: 0;
    z-index: 30;
  }
  .tab-item {
    background: none; border: 0;
    display: flex; flex-direction: column; align-items: center; gap: 3px;
    color: #8fa0a6;
    font-family: var(--font-body); font-size: 11px; font-weight: 600;
    padding: 7px 4px; border-radius: 10px;
  }
  .tab-glyph { font-size: 19px; line-height: 1; }
  .tab-item.active { color: #fff; }
  .tab-item.active .tab-glyph { color: #58c9c1; }
  .tab-item:active { background: rgba(255, 255, 255, 0.08); }

  /* Banner de instalación: barra en flujo bajo la cabecera */
  .install-banner {
    position: static;
    max-width: none;
    border: 0;
    border-bottom: 1px solid var(--mist);
    border-radius: 0;
    box-shadow: none;
    flex-shrink: 0;
  }

  /* Conexiones */
  .conn-url { flex-direction: column; }
  .conn-card { padding: 14px 16px; }

  /* Login */
  .login-card { margin: 16px; padding: 34px 26px; }
  .login-card h1 { font-size: 32px; }
}