:root {
  --navy: #16213D;
  --navy-2: #1F3057;
  --gold: #D8A94E;
  --gold-dark: #C4923A;
  --gray: #9A9CA1;
  --gray-light: #C9CBD1;
  --teal-1: #1F3A57;
  --teal-2: #3E6E8E;
  --teal-3: #6FA0B6;
  --teal-4: #A9CBD6;

  --bg: #F4F6F9;
  --card-bg: #FFFFFF;
  --text: #202634;
  --text-muted: #6B7280;
  --border: #E4E7EC;

  --success-bg: #E7F7EF;
  --success-text: #1F9D63;
  --danger-bg: #FCEAEA;
  --danger-text: #C0392B;
  --info-bg: #EAF1FB;
  --info-text: #2F6FBB;
  --pending-bg: #FBF3E3;
  --pending-text: #B4791E;

  --radius: 12px;
  --shadow: 0 2px 10px rgba(22, 33, 61, 0.06);
  --shadow-lg: 0 12px 32px rgba(22, 33, 61, 0.10);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.55;
}

h1, h2, h3, .brand-font {
  font-family: 'Poppins', 'Inter', sans-serif;
  color: var(--navy);
  margin: 0 0 0.5em;
}

a { color: var(--teal-2); text-decoration: none; }
a:hover { color: var(--navy); }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Topbar */
.topbar {
  background: #FFFFFF;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 24px;
}
.logo { height: 40px; width: auto; display: block; }
.topbar-title {
  font-family: 'Poppins', sans-serif;
  font-size: 15px;
  color: var(--text-muted);
  letter-spacing: .02em;
  border-left: 1px solid var(--border);
  padding-left: 14px;
}
.topbar-title strong { color: var(--gold-dark); }

/* Hero / upload */
.hero { padding: 40px 0 8px; }
.hero h1 { font-size: 28px; }
.subtitle { color: var(--text-muted); max-width: 640px; margin-bottom: 28px; }

.upload-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  margin-bottom: 40px;
}

.dropzone {
  border: 2px dashed var(--gray-light);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s ease, background-color .15s ease;
  position: relative;
  color: var(--text-muted);
}
.dropzone:hover, .dropzone.dragover {
  border-color: var(--gold);
  background: #FFFBF2;
}
.dropzone-icon { width: 36px; height: 36px; color: var(--gold-dark); margin-bottom: 10px; }
.dropzone p { margin: 4px 0; color: var(--text); }
.dropzone-hint { font-size: 13px; color: var(--gray); }
.dropzone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.file-selected {
  margin-top: 14px;
  padding: 10px 14px;
  background: var(--info-bg);
  color: var(--navy-2);
  border-radius: 8px;
  font-size: 14px;
}

.btn-primary {
  margin-top: 20px;
  width: 100%;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 14px 20px;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: filter .15s ease, transform .1s ease;
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-primary:disabled { opacity: .7; cursor: progress; }

.btn-link {
  color: var(--teal-2);
  font-weight: 500;
  white-space: nowrap;
}

.back-link {
  display: inline-block;
  margin: 24px 0 8px;
  color: var(--text-muted);
  font-size: 14px;
}
.back-link:hover { color: var(--navy); }

/* Alerts */
.alert {
  padding: 14px 16px;
  border-radius: 10px;
  margin-bottom: 20px;
  font-size: 14px;
}
.alert-error { background: var(--danger-bg); color: var(--danger-text); }
.alert-info { background: var(--info-bg); color: var(--info-text); }

/* Documents list */
.documents { padding-bottom: 60px; }
.documents h2 { font-size: 19px; margin-bottom: 16px; }
.empty-state { color: var(--text-muted); font-style: italic; }

.table-wrap {
  overflow-x: auto;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

table { width: 100%; border-collapse: collapse; font-size: 14px; }
.doc-table th, .doc-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
.doc-table th {
  font-family: 'Poppins', sans-serif;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text-muted);
  background: #FAFBFC;
}
.doc-table tr:last-child td { border-bottom: none; }

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  text-transform: capitalize;
}
.badge-completado { background: var(--success-bg); color: var(--success-text); }
.badge-error { background: var(--danger-bg); color: var(--danger-text); }
.badge-procesando { background: var(--pending-bg); color: var(--pending-text); }

/* Document view */
.doc-header {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.doc-header h1 { font-size: 24px; margin: 0; }
.doc-meta { color: var(--text-muted); font-size: 13px; margin: 6px 0 30px; }
.btn-generar-presentacion {
  width: auto;
  margin: 0 0 0 auto;
  padding: 9px 16px;
  font-size: 13px;
}

.checkbox-label {
  flex-direction: row !important;
  align-items: center;
  gap: 8px !important;
  font-size: 14px !important;
  color: var(--text) !important;
  font-weight: 500 !important;
}
.checkbox-label input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--gold); }

.presentacion-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.btn-secondary {
  background: linear-gradient(135deg, var(--teal-1) 0%, var(--teal-2) 100%);
}
.btn-whatsapp {
  background: linear-gradient(135deg, #1DA851 0%, #25D366 100%);
}
.compartir-btn-wrap {
  display: flex;
  align-items: flex-end;
  padding-bottom: 1px;
}

.block { margin-bottom: 40px; }
.block h2 {
  font-size: 17px;
  border-left: 4px solid var(--gold);
  padding-left: 12px;
}

.table-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 20px;
}
.table-card h3 {
  font-size: 14px;
  color: var(--navy-2);
  margin-bottom: 12px;
}

.data-table th, .data-table td {
  padding: 10px 14px;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.data-table thead th {
  background: linear-gradient(135deg, var(--teal-1), var(--teal-2));
  color: #fff;
  font-family: 'Poppins', sans-serif;
  font-size: 12.5px;
  font-weight: 600;
}
.data-table tbody tr:nth-child(even) { background: #FAFBFC; }
.data-table tbody tr:hover { background: #FFFBF2; }

.text-block {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-size: 14px;
  line-height: 1.7;
  max-height: 640px;
  overflow-y: auto;
}

.footer {
  padding: 30px 0;
  color: var(--gray);
  font-size: 13px;
  text-align: center;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}
.footer-dev { color: var(--gray-light); }

@media (max-width: 640px) {
  .doc-table th, .doc-table td { padding: 10px; }
  .hero h1 { font-size: 22px; }
}

@media (max-width: 700px) {
  .container { padding: 0 14px; }
  .hero { padding: 24px 0 4px; }
  .upload-card { padding: 18px; }
  .dropzone { padding: 26px 12px; }
  .doc-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .table-card { padding: 14px; }
  .text-block { padding: 16px; font-size: 13px; }
  .doc-data-block summary { flex-direction: column; align-items: flex-start; gap: 6px; padding: 14px; }
  .doc-data-block summary .btn-link { margin-left: 0; }
  .form-row { flex-direction: column; gap: 10px; }
  .form-row label { min-width: 0; }
  .user-actions { flex-direction: column; align-items: flex-start; gap: 8px; }
  .btn-primary { padding: 12px 16px; }
}

/* ==========================================================================
   Layout con menú lateral (sidebar)
   ========================================================================== */

body.app {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-brand {
  padding: 18px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.sidebar-logo {
  width: 100%;
  height: auto;
  display: block;
  background: #fff;
  border-radius: 8px;
  padding: 8px 10px;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  color: rgba(255, 255, 255, .78);
  font-size: 14px;
  font-weight: 500;
  transition: background .15s ease, color .15s ease;
}
.sidebar-link .nav-icon { width: 18px; height: 18px; flex-shrink: 0; }
.sidebar-link:hover { background: rgba(255, 255, 255, .09); color: #fff; }
.sidebar-link.active { background: var(--gold); color: var(--navy); font-weight: 600; }

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255, 255, 255, .12);
}
.sidebar-user-link {
  display: block;
  margin-bottom: 10px;
  padding: 6px 8px;
  margin-left: -8px;
  margin-right: -8px;
  border-radius: 8px;
  transition: background .15s ease;
}
.sidebar-user-link:hover { background: rgba(255, 255, 255, .08); }
.sidebar-user-name { font-size: 13px; font-weight: 600; color: #fff; }
.sidebar-user-role {
  font-size: 11px;
  color: rgba(255, 255, 255, .55);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.sidebar-logout { font-size: 13px; color: var(--gold); font-weight: 500; }
.sidebar-logout:hover { color: #fff; }

.main-area {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.main-area .container { max-width: 1080px; }

@media (max-width: 860px) {
  body.app { flex-direction: column; }
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    flex-direction: row;
    align-items: center;
  }
  .sidebar-brand { border-bottom: none; padding: 10px 16px; }
  .sidebar-logo { width: 110px; }
  .sidebar-nav { flex-direction: row; padding: 8px; overflow-x: auto; }
  .sidebar-footer {
    border-top: none;
    margin-left: auto;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    white-space: nowrap;
  }
  .sidebar-user-role { display: none; }
}

/* ==========================================================================
   Login
   ========================================================================== */

.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  padding: 20px;
}
.login-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 40px 36px;
  max-width: 380px;
  width: 100%;
  text-align: center;
}
.login-logo { height: 44px; margin-bottom: 18px; }
.login-card h1 { font-size: 22px; margin-bottom: 4px; }
.login-subtitle { color: var(--text-muted); font-size: 14px; margin-bottom: 24px; }
.login-form { text-align: left; display: flex; flex-direction: column; gap: 16px; }
.login-form label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.login-form input {
  font-family: 'Inter', sans-serif;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text);
}
.login-form input:focus { outline: none; border-color: var(--gold); }

/* ==========================================================================
   Gestión de usuarios
   ========================================================================== */

.form-row { display: flex; gap: 16px; margin-bottom: 14px; flex-wrap: wrap; }
.form-row label {
  flex: 1;
  min-width: 200px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-row input, .form-row select {
  font-family: 'Inter', sans-serif;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text);
}
.form-row input:focus, .form-row select:focus { outline: none; border-color: var(--gold); }
.udi-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  align-self: flex-start;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}
.udi-badge.udi-badge-warning { background: #fffbeb; color: #b45309; border-color: #fde68a; }

.user-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.inline-form { display: inline; }
.inline-form button {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: var(--teal-2);
  font-weight: 500;
  cursor: pointer;
}
.inline-form button:hover { color: var(--navy); }
.btn-link-danger { color: var(--danger-text) !important; }
.btn-link-danger:hover { color: #8a2a20 !important; }

.reset-pass { position: relative; }
.reset-pass summary {
  cursor: pointer;
  list-style: none;
  color: var(--teal-2);
  font-weight: 500;
  font-size: 14px;
}
.reset-pass summary::-webkit-details-marker { display: none; }
.reset-pass summary:hover { color: var(--navy); }
.inline-form-block {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}
.inline-form-block input {
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  width: 160px;
}
.inline-form-block button {
  background: var(--navy);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 13px;
  cursor: pointer;
}

.user-edit-form {
  flex-wrap: wrap;
  max-width: 420px;
  padding: 10px;
  background: var(--bg);
  border-radius: 8px;
}
.user-edit-form label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  width: 100%;
}
.user-edit-form label.checkbox-label {
  flex-direction: row;
  align-items: center;
  gap: 6px;
}
.user-edit-form input, .user-edit-form select {
  width: 100%;
  font-family: 'Inter', sans-serif;
}
.user-edit-form button { align-self: flex-start; margin-top: 4px; }

/* ==========================================================================
   Base de datos (explorador)
   ========================================================================== */

.doc-data-block {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 16px;
  overflow: hidden;
}
.doc-data-block summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.doc-data-block summary::-webkit-details-marker { display: none; }
.doc-data-block summary::before {
  content: '▸';
  color: var(--gold-dark);
  font-size: 13px;
  transition: transform .15s ease;
  flex-shrink: 0;
}
.doc-data-block[open] summary::before { transform: rotate(90deg); }
.doc-data-heading {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.doc-data-title {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  color: var(--navy);
  font-size: 15px;
}
.doc-data-names {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.doc-data-chip {
  background: var(--info-bg);
  color: var(--info-text);
  font-size: 12px;
  padding: 3px 9px;
  border-radius: 999px;
}
.doc-data-chip strong { font-weight: 600; }

.search-form {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  flex-wrap: wrap;
}
.search-form input[type="text"] {
  flex: 1;
  min-width: 220px;
  font-family: 'Inter', sans-serif;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text);
}
.search-form input[type="text"]:focus { outline: none; border-color: var(--gold); }
.search-results-count {
  color: var(--text-muted);
  font-size: 13px;
  margin: 0 0 14px;
}
.doc-data-meta {
  color: var(--text-muted);
  font-size: 12.5px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.doc-data-block summary .btn-link { margin-left: auto; }
.doc-data-block > .table-card {
  margin: 0 20px 20px;
}

/* Chat / Asistente */
.hero-chat { padding-bottom: 0; }
.chat-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.chat-heading .subtitle { margin-bottom: 0; }

.chat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin: 20px 0 40px;
  display: flex;
  flex-direction: column;
  height: min(640px, 70vh);
  overflow: hidden;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.chat-msg { display: flex; }
.chat-msg-user { justify-content: flex-end; }
.chat-msg-assistant { justify-content: flex-start; }

.chat-bubble {
  max-width: 75%;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 14.5px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.chat-msg-assistant .chat-bubble {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-bottom-left-radius: 4px;
}
.chat-msg-user .chat-bubble {
  background: var(--navy);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.chat-msg-assistant .chat-bubble.chat-pending {
  color: var(--text-muted);
  font-style: italic;
}

#chat-error { margin: 0 24px 12px; }

.chat-input-row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--card-bg);
}
.chat-input-row textarea {
  flex: 1;
  resize: none;
  max-height: 140px;
  font-family: 'Inter', sans-serif;
  font-size: 14.5px;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
}
.chat-input-row textarea:focus { outline: none; border-color: var(--gold); }
.chat-input-row .btn-primary { width: auto; padding: 11px 22px; }

@media (max-width: 640px) {
  .chat-card { height: 78vh; margin: 12px 0 24px; }
  .chat-bubble { max-width: 88%; }
}
.doc-data-block > .table-card:first-of-type { margin-top: 4px; }