/* ============================
   CSS Variables & Reset
   ============================ */
:root {
  --primary: #6b7280;
  --primary-dark: #4b5563;
  --primary-light: #f3f4f6;
  --secondary: #34a853;
  --secondary-dark: #2d8e46;
  --danger: #ea4335;
  --danger-dark: #c5281c;
  --warning: #fbbc04;
  --warning-dark: #e0a800;
  --info: #4a90d9;
  --gray-50: #f8f9fa;
  --gray-100: #f1f3f4;
  --gray-200: #e8eaed;
  --gray-300: #dadce0;
  --gray-400: #bdc1c6;
  --gray-500: #9aa0a6;
  --gray-600: #80868b;
  --gray-700: #5f6368;
  --gray-800: #3c4043;
  --gray-900: #202124;
  --white: #ffffff;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.08);
  --shadow: 0 2px 8px rgba(0,0,0,0.12), 0 1px 4px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.15), 0 4px 16px rgba(0,0,0,0.10);
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --transition: 0.2s ease;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--gray-900);
  background: var(--gray-100);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; }

/* ============================
   View System
   ============================ */
.view { display: none; }
.view.active { display: block; }

/* ============================
   LOGIN VIEW
   ============================ */
#login-view {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #6b7280 0%, #374151 50%, #4b5563 100%);
  padding: 20px;
}

.login-container {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  text-align: center;
}

.login-logo {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 32px;
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.login-title { font-size: 24px; font-weight: 700; color: var(--gray-900); margin-bottom: 4px; }
.login-subtitle { font-size: 14px; color: var(--gray-600); margin-bottom: 32px; }

.login-form .form-group { margin-bottom: 20px; text-align: left; }
.login-form label { display: block; font-size: 13px; font-weight: 600; color: var(--gray-700); margin-bottom: 6px; }
.login-form input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 15px;
  color: var(--gray-900);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  background: var(--white);
}
.login-form input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(107, 114, 128, 0.15); }

.login-error {
  background: #fde8e8;
  color: var(--danger-dark);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
  border-left: 3px solid var(--danger);
}

/* ============================
   Buttons
   ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}

.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover:not(:disabled) { background: var(--primary-dark); box-shadow: var(--shadow-sm); color: var(--white); text-decoration: none; }

.btn-secondary { background: var(--gray-200); color: var(--gray-800); }
.btn-secondary:hover:not(:disabled) { background: var(--gray-300); }

.btn-success { background: var(--secondary); color: var(--white); }
.btn-success:hover:not(:disabled) { background: var(--secondary-dark); color: var(--white); text-decoration: none; }

.btn-danger { background: var(--danger); color: var(--white); }
.btn-danger:hover:not(:disabled) { background: var(--danger-dark); color: var(--white); text-decoration: none; }

.btn-warning { background: var(--warning); color: var(--gray-900); }
.btn-warning:hover:not(:disabled) { background: var(--warning-dark); }

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}
.btn-outline:hover:not(:disabled) { background: var(--primary-light); }

.btn-sm { padding: 6px 12px; font-size: 12px; border-radius: var(--radius-sm); }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-full { width: 100%; justify-content: center; }

.btn-icon { padding: 8px; border-radius: var(--radius-sm); }

/* ============================
   DASHBOARD VIEW
   ============================ */
#dashboard-view { display: none; flex-direction: column; min-height: 100vh; }
#dashboard-view.active { display: flex; }

.app-header {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  flex-shrink: 0;
}

.app-header-left { display: flex; align-items: center; gap: 16px; }
.app-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  color: var(--primary);
}
.app-logo-icon {
  width: 36px; height: 36px;
  background: var(--primary);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  font-size: 16px;
}

.app-header-right { display: flex; align-items: center; gap: 16px; }
.user-info { display: flex; flex-direction: column; align-items: flex-end; }
.user-name { font-size: 14px; font-weight: 600; color: var(--gray-900); }
.user-role {
  font-size: 11px;
  color: var(--white);
  background: var(--primary);
  padding: 1px 8px;
  border-radius: 10px;
  text-transform: capitalize;
}

.dashboard-main { flex: 1; padding: 28px 24px; max-width: 1400px; margin: 0 auto; width: 100%; }

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 16px;
  border-left: 4px solid transparent;
  transition: box-shadow var(--transition), transform var(--transition);
}
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.stat-card.total { border-left-color: var(--primary); }
.stat-card.completado { border-left-color: var(--secondary); }
.stat-card.revisado { border-left-color: var(--info); }
.stat-card.borrador { border-left-color: var(--warning); }

.stat-icon {
  width: 50px; height: 50px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.stat-card.total .stat-icon { background: var(--primary-light); color: var(--primary); }
.stat-card.completado .stat-icon { background: #e6f4ea; color: var(--secondary); }
.stat-card.revisado .stat-icon { background: #e3f0fb; color: var(--info); }
.stat-card.borrador .stat-icon { background: #fef9e3; color: var(--warning-dark); }

.stat-info { flex: 1; }
.stat-number { font-size: 32px; font-weight: 700; line-height: 1; color: var(--gray-900); }
.stat-label { font-size: 13px; color: var(--gray-600); margin-top: 4px; }

/* Dashboard Controls */
.dashboard-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 8px 14px;
  gap: 8px;
  flex: 1;
  min-width: 200px;
  max-width: 400px;
  transition: border-color var(--transition);
}
.search-box:focus-within { border-color: var(--primary); }
.search-box input {
  border: none;
  outline: none;
  font-size: 14px;
  color: var(--gray-900);
  background: transparent;
  width: 100%;
}
.search-box .search-icon { color: var(--gray-500); font-size: 16px; }

.filter-select {
  padding: 10px 14px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--gray-700);
  background: var(--white);
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition);
}
.filter-select:focus { border-color: var(--primary); }

/* Table */
.table-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.table-header {
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--gray-200);
}
.table-title { font-size: 16px; font-weight: 700; color: var(--gray-900); }
.table-count { font-size: 13px; color: var(--gray-600); }

.table-wrapper { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; }
thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gray-600);
  background: var(--gray-50);
  border-bottom: 2px solid var(--gray-200);
  white-space: nowrap;
}
tbody td {
  padding: 14px 16px;
  font-size: 14px;
  color: var(--gray-800);
  border-bottom: 1px solid var(--gray-100);
  vertical-align: middle;
}
tbody tr:hover td { background: var(--gray-50); }
tbody tr:last-child td { border-bottom: none; }

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  text-transform: capitalize;
}
.badge-borrador { background: #fef9e3; color: #92681c; border: 1px solid #fde68a; }
.badge-completado { background: #e6f4ea; color: #1e7e34; border: 1px solid #a8d5b5; }
.badge-revisado { background: #f3f4f6; color: #4b5563; border: 1px solid #d1d5db; }

/* Action buttons in table */
.actions-cell { display: flex; gap: 4px; }

/* Empty state */
.empty-state {
  padding: 60px 24px;
  text-align: center;
  color: var(--gray-500);
}
.empty-state .empty-icon { font-size: 48px; margin-bottom: 16px; }
.empty-state h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--gray-700); }
.empty-state p { font-size: 14px; }

/* ============================
   FORM VIEW
   ============================ */
#form-view { display: none; flex-direction: column; min-height: 100vh; }
#form-view.active { display: flex; }

.form-header {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.form-header-left { display: flex; align-items: center; gap: 16px; }
.form-header-title { font-size: 17px; font-weight: 700; color: var(--gray-900); }
.form-header-folio { font-size: 13px; color: var(--gray-600); }
.form-header-actions { display: flex; gap: 10px; align-items: center; }

/* Progress Bar */
.progress-container {
  background: var(--white);
  padding: 16px 24px 0;
  border-bottom: 1px solid var(--gray-200);
  flex-shrink: 0;
}

.progress-bar-wrapper {
  height: 4px;
  background: var(--gray-200);
  border-radius: 2px;
  margin-bottom: 12px;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
  transition: width 0.4s ease;
}

.tabs-container {
  display: flex;
  overflow-x: auto;
  gap: 0;
  padding-bottom: 0;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.tabs-container::-webkit-scrollbar { display: none; }

.tab-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-600);
  border-bottom: 3px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
  user-select: none;
}
.tab-item:hover { color: var(--primary); background: var(--primary-light); }
.tab-item.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-item.completed { color: var(--secondary); }
.tab-item.completed::before { content: '✓'; font-size: 10px; }

.tab-num {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--gray-200);
  color: var(--gray-700);
  font-size: 10px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.tab-item.active .tab-num { background: var(--primary); color: var(--white); }
.tab-item.completed .tab-num { background: var(--secondary); color: var(--white); }

/* Form Content */
.form-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  background: var(--gray-100);
}

.form-section {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  padding: 20px 28px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-header h2 { font-size: 17px; font-weight: 700; }
.section-header .section-num {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  font-weight: 700;
}

.section-body { padding: 28px; }

/* Form Fields */
.form-row {
  display: grid;
  gap: 16px;
  margin-bottom: 16px;
}
.form-row.cols-1 { grid-template-columns: 1fr; }
.form-row.cols-2 { grid-template-columns: 1fr 1fr; }
.form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-row.cols-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }
.form-row.cols-auto { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

.field-group { display: flex; flex-direction: column; }
.field-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-700);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 6px;
}
.field-group label .required { color: var(--danger); margin-left: 2px; }

.field-group input[type="text"],
.field-group input[type="date"],
.field-group input[type="time"],
.field-group input[type="email"],
.field-group input[type="tel"],
.field-group input[type="number"],
.field-group select,
.field-group textarea {
  padding: 10px 14px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--gray-900);
  background: var(--white);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  font-family: var(--font-sans);
  width: 100%;
}
.field-group input:focus,
.field-group select:focus,
.field-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(107, 114, 128, 0.12);
}
.field-group input.error,
.field-group select.error,
.field-group textarea.error {
  border-color: var(--danger);
}
.field-group textarea { resize: vertical; min-height: 80px; }

/* Radio groups */
.radio-group, .checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 4px 0;
}
.radio-option, .checkbox-option {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 14px;
  color: var(--gray-800);
}
.radio-option input, .checkbox-option input { cursor: pointer; accent-color: var(--primary); width: 16px; height: 16px; }

/* Subsection separators */
.subsection {
  margin: 24px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--gray-200);
}
.subsection h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Form Navigation */
.form-nav {
  background: var(--white);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--gray-200);
  flex-shrink: 0;
}
.form-nav-left, .form-nav-right { display: flex; gap: 10px; }
.step-indicator { font-size: 13px; color: var(--gray-600); }

/* Signature Pad */
.signature-pad-container {
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fafafa;
}
.signature-canvas {
  display: block;
  cursor: crosshair;
  width: 100%;
  height: 150px;
  touch-action: none;
}
.signature-controls {
  display: flex;
  gap: 8px;
  padding: 8px;
  background: var(--gray-100);
  border-top: 1px solid var(--gray-200);
}

/* File Upload */
.file-upload-area {
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  background: var(--gray-50);
  position: relative;
}
.file-upload-area:hover { border-color: var(--primary); background: var(--primary-light); }
.file-upload-area.dragover { border-color: var(--primary); background: var(--primary-light); }
.file-upload-area input[type="file"] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%;
}
.upload-icon { font-size: 28px; color: var(--gray-400); margin-bottom: 8px; }
.upload-text { font-size: 13px; color: var(--gray-600); }
.upload-hint { font-size: 11px; color: var(--gray-400); margin-top: 4px; }

.image-preview {
  margin-top: 12px;
  position: relative;
  display: inline-block;
}
.image-preview img {
  max-width: 200px;
  max-height: 150px;
  border-radius: var(--radius);
  border: 2px solid var(--gray-200);
  object-fit: cover;
}
.image-preview .remove-img {
  position: absolute;
  top: -8px; right: -8px;
  width: 24px; height: 24px;
  background: var(--danger);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 12px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-sm);
}

/* ============================
   REVIEW VIEW
   ============================ */
#review-view { display: none; flex-direction: column; min-height: 100vh; }
#review-view.active { display: flex; }

.review-header {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.review-content { flex: 1; overflow-y: auto; padding: 24px; background: var(--gray-100); }

.review-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
  overflow: hidden;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}
.review-card + .review-card { margin-top: 16px; }

.review-section-title {
  padding: 14px 24px;
  background: var(--primary);
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.review-section-body { padding: 20px 24px; }

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.review-field { }
.review-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--gray-500);
  margin-bottom: 3px;
}
.review-value {
  font-size: 14px;
  color: var(--gray-900);
  padding: 6px 0;
  border-bottom: 1px solid var(--gray-100);
  min-height: 28px;
  word-break: break-word;
}
.review-field.full { grid-column: 1 / -1; }

.review-images {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 12px;
}
.review-image-box { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--gray-200); }
.review-image-box img { width: 100%; height: 160px; object-fit: cover; display: block; }
.review-image-label { padding: 6px 10px; font-size: 11px; color: var(--gray-600); background: var(--gray-50); font-weight: 600; }

/* ============================
   MODAL
   ============================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.active { display: flex; }

.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 460px;
  width: 100%;
  overflow: hidden;
}
.modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-title { font-size: 17px; font-weight: 700; color: var(--gray-900); }
.modal-close { background: none; border: none; cursor: pointer; color: var(--gray-500); font-size: 20px; padding: 4px; border-radius: var(--radius-sm); }
.modal-close:hover { color: var(--gray-900); background: var(--gray-100); }
.modal-body { padding: 20px 24px; color: var(--gray-700); font-size: 15px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--gray-200);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ============================
   Loading Spinner
   ============================ */
.spinner {
  display: inline-block;
  width: 20px; height: 20px;
  border: 3px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: var(--white);
  animation: spin 0.7s linear infinite;
}
.spinner-dark { border-color: rgba(0,0,0,0.15); border-top-color: var(--primary); }

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

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.8);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
}
.loading-overlay.active { display: flex; }
.loading-text { font-size: 15px; color: var(--gray-700); font-weight: 500; }

/* ============================
   Toast Notifications
   ============================ */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  min-width: 300px;
  max-width: 420px;
  animation: slideIn 0.3s ease;
  font-size: 14px;
  font-weight: 500;
}
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes slideOut { from { transform: translateX(0); opacity: 1; } to { transform: translateX(100%); opacity: 0; } }
.toast.removing { animation: slideOut 0.3s ease forwards; }

.toast-success { background: var(--secondary); color: var(--white); }
.toast-error { background: var(--danger); color: var(--white); }
.toast-info { background: var(--primary); color: var(--white); }
.toast-warning { background: var(--warning); color: var(--gray-900); }
.toast-icon { font-size: 18px; flex-shrink: 0; }
.toast-close { margin-left: auto; background: none; border: none; cursor: pointer; color: inherit; opacity: 0.8; font-size: 16px; padding: 2px; }

/* ============================
   Tables inside forms
   ============================ */
.data-table { width: 100%; border-collapse: collapse; margin-top: 8px; font-size: 13px; }
.data-table th {
  background: var(--gray-100);
  padding: 8px 10px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--gray-600);
  border: 1px solid var(--gray-200);
}
.data-table td {
  padding: 6px 8px;
  border: 1px solid var(--gray-200);
  vertical-align: top;
}
.data-table td input,
.data-table td select,
.data-table td textarea {
  width: 100%;
  border: none;
  background: transparent;
  font-size: 13px;
  color: var(--gray-900);
  padding: 2px 4px;
  font-family: var(--font-sans);
  outline: none;
}
.data-table td input:focus,
.data-table td select:focus { background: var(--primary-light); border-radius: var(--radius-sm); }
.data-table tr:nth-child(even) td { background: var(--gray-50); }

/* ============================
   Responsive
   ============================ */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .review-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .form-row.cols-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .dashboard-main { padding: 16px; }
  .form-content { padding: 12px; }
  .section-body { padding: 16px; }
  .form-row.cols-2,
  .form-row.cols-3,
  .form-row.cols-4 { grid-template-columns: 1fr; }
  .review-grid { grid-template-columns: 1fr 1fr; }
  .review-images { grid-template-columns: 1fr 1fr; }
  .app-header { padding: 0 16px; }
  .user-info { display: none; }
  .form-header-actions { gap: 6px; }
  .tab-item span { display: none; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .login-container { padding: 32px 24px; }
  .review-grid { grid-template-columns: 1fr; }
  .review-images { grid-template-columns: 1fr; }
}

/* ============================
   Print Styles
   ============================ */
@media print {
  body { background: white; font-size: 11px; }
  .app-header, .form-header, .form-nav, .progress-container,
  .dashboard-controls, .btn, .modal-overlay, .toast-container { display: none !important; }
  .form-section { box-shadow: none; border: 1px solid #ccc; }
  table { page-break-inside: auto; }
  tr { page-break-inside: avoid; page-break-after: auto; }
  .section { page-break-inside: avoid; }
}

/* ============================
   Utility Classes
   ============================ */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: 12px; }
.text-muted { color: var(--gray-600); }
.font-bold { font-weight: 700; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 16px; }
.hidden { display: none !important; }
.divider { border: none; border-top: 1px solid var(--gray-200); margin: 20px 0; }

/* ============================
   Modal de Usuarios
   ============================ */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
.modal-box {
  background: #fff;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
  max-height: 90vh;
  overflow-y: auto;
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.2rem;
  padding-bottom: .8rem;
  border-bottom: 1px solid #e8eaed;
}

/* ============================
   Botones de tipo de estudio
   ============================ */
.study-type-btn {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 1.2rem;
  border: 2px solid #e8eaed;
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  text-align: left;
  transition: border-color .2s, background .2s;
  width: 100%;
}
.study-type-btn:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}
.study-type-icon { font-size: 2rem; flex-shrink: 0; }
.study-type-title { font-weight: 700; font-size: 1rem; color: #202124; }
.study-type-desc { font-size: .82rem; color: #5f6368; margin-top: .2rem; }