/* PaperSnitch Custom Color Palette
   ----------------------------------
   Blu profondo: #0A3D62 – #1B4F72
   Grigio neutro/grafite: #5A5A5A – #2E2E2E
   Ciano/Teal tecnologico: #1ABC9C – #0E8C82
   Ambra/Giallo (alert): #F1C40F – #E2B90A
   Bianco sporco (sfondo): #F7F7F7
*/

:root {
  /* Primary Blues */
  --primary-dark: #0a3d62;
  --primary: #1b4f72;
  --primary-light: #2471a3;

  /* Grays */
  --gray-dark: #2e2e2e;
  --gray: #5a5a5a;
  --gray-light: #7d7d7d;
  --gray-lighter: #a0a0a0;

  /* Teal/Cyan */
  --teal: #1abc9c;
  --teal-dark: #0e8c82;
  --teal-light: #48d1cc;

  /* Amber/Yellow (alerts) */
  --amber: #f1c40f;
  --amber-dark: #e2b90a;
  --amber-light: #f4d03f;

  /* Background */
  --bg-light: #f7f7f7;
  --bg-white: #ffffff;

  /* Status colors */
  --success: #0e8c82;
  --danger: #c0392b;
  --warning: #f1c40f;
  --info: #1abc9c;
}

/* Global Styles */
body {
  background-color: var(--bg-light) !important;
  color: var(--gray-dark);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Navbar */
.navbar {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%) !important;
  box-shadow: 0 2px 10px rgba(10, 61, 98, 0.3);
}

.navbar-brand {
  color: var(--bg-white) !important;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.navbar-brand i {
  color: var(--teal) !important;
}

.nav-link {
  color: rgba(255, 255, 255, 0.9) !important;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--teal-light) !important;
}

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%) !important;
  border: none !important;
  box-shadow: 0 2px 6px rgba(10, 61, 98, 0.3);
  transition: all 0.3s ease;
}

.badge-primary {
  background: linear-gradient(135deg, var(--teal-dark) 0%, var(--teal) 100%) !important;
}

.btn-primary:hover,
.btn-primary:focus {
  background: linear-gradient(135deg, var(--teal-dark) 0%, var(--teal) 100%) !important;
  box-shadow: 0 4px 12px rgba(14, 140, 130, 0.4);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  background: var(--gray-light) !important;
  box-shadow: none;
}

.btn-outline-primary {
  color: var(--primary) !important;
  border-color: var(--primary) !important;
}

.btn-outline-primary:hover {
  background-color: var(--primary) !important;
  color: var(--bg-white) !important;
}

.btn-outline-danger {
  color: var(--danger) !important;
  border-color: var(--danger) !important;
}

.btn-outline-danger:hover {
  background-color: var(--danger) !important;
  color: var(--bg-white) !important;
}

/* Cards */
.card,
.modal-content {
  background-color: var(--bg-white);
  border: none;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(46, 46, 46, 0.1);
}

.card-header,
.modal-header {
  border-bottom: 1px solid rgba(10, 61, 98, 0.1);
}

.card-header.bg-primary,
.modal-header.bg-primary {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%) !important;
}

.card-header.bg-light {
  background-color: var(--bg-light) !important;
  color: var(--gray-dark);
}

/* Progress Bar */
.progress {
  background-color: #e8e8e8;
  border-radius: 15px;
  overflow: hidden;
}

.progress-bar {
  background: linear-gradient(90deg, var(--teal-dark) 0%, var(--teal) 100%) !important;
  transition: width 0.4s ease;
}

/* Alerts */
.alert-danger {
  background-color: #fdedec;
  border-color: var(--danger);
  color: var(--danger);
}

.alert-warning {
  background-color: #fef9e7;
  border-color: var(--amber);
  color: var(--amber-dark);
}

.alert-success {
  background-color: #e8f6f3;
  border-color: var(--teal-dark);
  color: var(--teal-dark);
}

.alert-info {
  background-color: #e8f6f3;
  border-color: var(--teal);
  color: var(--teal-dark);
}

/* Text colors */
.text-primary {
  color: var(--primary) !important;
}

.text-success {
  color: var(--teal-dark) !important;
}

.text-danger {
  color: var(--danger) !important;
}

.text-warning {
  color: var(--amber-dark) !important;
}

.text-muted {
  color: var(--gray) !important;
}

/* Nav Tabs */
.nav-tabs {
  border-bottom: 2px solid var(--primary);
}

.nav-tabs .nav-link {
  color: var(--gray) !important;
  border: none;
  border-bottom: 3px solid transparent;
  padding: 10px 20px;
  margin-bottom: -2px;
  transition: all 0.2s ease;
}

.nav-tabs .nav-link:hover {
  color: var(--primary) !important;
  border-color: transparent;
  background-color: var(--bg-light);
}

.nav-tabs .nav-link.active {
  color: var(--primary-dark) !important;
  background-color: var(--bg-white);
  border-bottom: 3px solid var(--teal) !important;
  font-weight: 600;
}

/* Forms */
.form-control:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 0.2rem rgba(26, 188, 156, 0.25);
}

.custom-file-label {
  border-color: #d5d8dc;
}

.custom-file-label::after {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--bg-white);
}

.custom-file-input:focus ~ .custom-file-label {
  border-color: var(--teal);
  box-shadow: 0 0 0 0.2rem rgba(26, 188, 156, 0.25);
}

/* Footer */
footer {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%) !important;
}

footer .text-center {
  background-color: rgba(10, 61, 98, 0.9) !important;
}

/* Links */
a {
  color: var(--teal-dark);
  transition: color 0.2s ease;
}

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

/* Shadow utilities */
.shadow {
  box-shadow: 0 4px 20px rgba(46, 46, 46, 0.12) !important;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray);
}

/* Selection highlight */
::selection {
  background-color: var(--teal);
  color: var(--bg-white);
}

/* Analysis Renderer Styles */
.score-badge {
  font-size: 1.5rem;
  width: 50px;
  height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}
.score-0 {
  background-color: #c0392b;
  color: white;
}
.score-1 {
  background-color: #e74c3c;
  color: white;
}
.score-2 {
  background-color: #f1c40f;
  color: #2e2e2e;
}
.score-3 {
  background-color: #1abc9c;
  color: white;
}
.score-4 {
  background-color: #0e8c82;
  color: white;
}
.score-5 {
  background-color: #0a3d62;
  color: white;
}

.criterion-card {
  margin-bottom: 1rem;
  border-left: 4px solid #1abc9c;
  background-color: #ffffff;
  transition: box-shadow 0.2s ease;
}

.criterion-card:hover {
  box-shadow: 0 4px 15px rgba(10, 61, 98, 0.15);
}

.extracted-text {
  max-height: 200px;
  overflow-y: auto;
  background-color: #f7f7f7;
  padding: 12px;
  border-radius: 6px;
  font-size: 0.9rem;
  border: 1px solid #e8e8e8;
  color: #2e2e2e;
}

.dataset-badge {
  display: inline-block;
  background: linear-gradient(135deg, #1abc9c 0%, #0e8c82 100%);
  color: white;
  padding: 4px 10px;
  margin: 2px;
  border-radius: 15px;
  font-size: 0.8rem;
}

.dataset-list {
  list-style: none;
  padding-left: 0;
}

.dataset-list li {
  display: inline-block;
  background: linear-gradient(135deg, #1abc9c 0%, #0e8c82 100%);
  color: white;
  padding: 6px 14px;
  margin: 3px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
}

.card-header.collapsible {
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.card-header.collapsible:hover {
  background-color: #e8e8e8 !important;
}

.card-header.collapsible .toggle-icon {
  transition: transform 0.3s ease;
}

.card-header.collapsible.collapsed .toggle-icon {
  transform: rotate(-90deg);
}

.criterion-card .card-body {
  border-top: 1px solid #e8e8e8;
}