/* =============================================================
   L2P MODERN DESIGN - University of Padova Inspired
   Modern, Clean, Accessible Design
   ============================================================= */

:root {
  /* University of Padova Colors - Sober Version */
  --primary-red: #b71c1c;        /* Deep red - more sober than official */
  --secondary-red: #d32f2f;      /* Medium red */
  --light-red: #ffebee;          /* Very light red for backgrounds */
  
  --primary-grey: #37474f;       /* Dark blue-grey */
  --secondary-grey: #546e7a;     /* Medium grey */
  --light-grey: #eceff1;        /* Light grey for backgrounds */
  --border-grey: #cfd8dc;       /* Border color */
  
  --text-primary: #212121;       /* Almost black */
  --text-secondary: #424242;     /* Dark grey */
  --text-muted: #757575;         /* Medium grey */
  
  --success: #2e7d32;           /* Green */
  --warning: #f57c00;           /* Orange */
  --danger: #c62828;            /* Red */
  
  --white: #ffffff;
  --background: #fafafa;        /* Off-white background */
  
  /* Shadows */
  --shadow-light: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-medium: 0 4px 12px rgba(0,0,0,0.15);
  --shadow-heavy: 0 8px 32px rgba(0,0,0,0.2);
  
  /* Border radius */
  --radius-small: 4px;
  --radius-medium: 8px;
  --radius-large: 12px;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
}

/* =============================================================
   GENERAL STYLES
   ============================================================= */

* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', 'Segoe UI', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background);
  margin: 0;
  padding: 0;
  font-size: 16px;
  font-weight: 400;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* =============================================================
   TYPOGRAPHY
   ============================================================= */

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

h1 { font-size: 2.5rem; margin-bottom: var(--space-md); }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
}

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

/* =============================================================
   LAYOUT
   ============================================================= */

.header {
  background: linear-gradient(135deg, var(--primary-red), var(--secondary-red));
  color: var(--white);
  padding: var(--space-md) 0;
  box-shadow: var(--shadow-medium);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header h1 {
  margin: 0;
  color: var(--white);
  font-size: 1.75rem;
  font-weight: 700;
}

.header .btn-outline {
  background: transparent;
  border: 2px solid var(--white);
  color: var(--white);
}

.header .btn-outline:hover {
  background: var(--white);
  color: var(--primary-red);
}

.header .subtitle {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.875rem;
  margin-top: var(--space-xs);
}

.content-wrapper {
  margin-top: var(--space-lg);
  min-height: calc(100vh - 200px);
  padding-bottom: var(--space-xl);
}

.main-content {
  display: grid;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.sidebar {
  background: var(--white);
  border-radius: var(--radius-medium);
  padding: var(--space-md);
  box-shadow: var(--shadow-light);
  height: fit-content;
}

/* =============================================================
   CARDS & PANELS - Bootstrap Override
   ============================================================= */

.panel, .card, div.panel, div.card {
  background: var(--white) !important;
  border-radius: var(--radius-medium) !important;
  box-shadow: var(--shadow-light) !important;
  margin-bottom: var(--space-md) !important;
  overflow: hidden !important;
  transition: box-shadow 0.3s ease, transform 0.2s ease !important;
  border: none !important;
}

.panel:hover, .card:hover, div.panel:hover, div.card:hover {
  box-shadow: var(--shadow-medium) !important;
  transform: translateY(-2px) !important;
}

.panel-heading, .card-header, div.panel-heading, div.card-header {
  background: linear-gradient(135deg, var(--primary-grey), var(--secondary-grey)) !important;
  color: var(--white) !important;
  padding: var(--space-md) !important;
  font-weight: 600 !important;
  font-size: 1.125rem !important;
  border: none !important;
  margin: 0 !important;
  border-radius: 0 !important;
}

.panel-heading h1, .panel-heading h2, .panel-heading h3, .panel-heading h4, .panel-heading h5, .panel-heading h6,
.card-header h1, .card-header h2, .card-header h3, .card-header h4, .card-header h5, .card-header h6,
div.panel-heading h1, div.panel-heading h2, div.panel-heading h3, div.panel-heading h4, div.panel-heading h5, div.panel-heading h6,
div.card-header h1, div.card-header h2, div.card-header h3, div.card-header h4, div.card-header h5, div.card-header h6 {
  color: var(--white) !important;
  margin: 0 !important;
}

.panel-body, .card-body, div.panel-body, div.card-body {
  padding: var(--space-md) !important;
  background: var(--white) !important;
}

.panel-footer, div.panel-footer {
  background: var(--light-grey) !important;
  padding: var(--space-sm) var(--space-md) !important;
  border-top: 1px solid var(--border-grey) !important;
}

/* University of Padova themed panels */
.panel-unipd, .panel-primary, div.panel-unipd, div.panel-primary {
  border-left: 4px solid var(--primary-red) !important;
}

.panel-unipd .panel-heading, .panel-primary .panel-heading,
div.panel-unipd div.panel-heading, div.panel-primary div.panel-heading {
  background: linear-gradient(135deg, var(--primary-red), var(--secondary-red)) !important;
}

.panel-secondary .panel-heading, div.panel-secondary div.panel-heading {
  background: linear-gradient(135deg, var(--primary-grey), var(--secondary-grey)) !important;
}

/* Panel default class override */
.panel-default, div.panel-default {
  border: none !important;
  border-left: 4px solid var(--primary-grey) !important;
}

/* =============================================================
   NAVIGATION & MENU
   ============================================================= */

.navbar {
  background: var(--white);
  box-shadow: var(--shadow-light);
  padding: var(--space-sm) 0;
  margin-bottom: var(--space-md);
}

.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-small);
  transition: all 0.3s ease;
  font-weight: 500;
}

.nav-link:hover {
  background: var(--light-red);
  color: var(--primary-red);
  text-decoration: none;
}

.nav-link.active {
  background: var(--primary-red);
  color: var(--white);
}

/* =============================================================
   BUTTONS - Bootstrap Override
   ============================================================= */

.btn, a.btn, button.btn, input.btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: var(--space-sm) var(--space-md) !important;
  border: none !important;
  border-radius: var(--radius-small) !important;
  font-weight: 500 !important;
  text-decoration: none !important;
  cursor: pointer !important;
  transition: all 0.3s ease !important;
  font-size: 0.875rem !important;
  line-height: 1 !important;
  gap: var(--space-xs) !important;
}

.btn:hover, a.btn:hover, button.btn:hover, input.btn:hover {
  transform: translateY(-1px) !important;
  box-shadow: var(--shadow-medium) !important;
  text-decoration: none !important;
}

.btn:active, a.btn:active, button.btn:active, input.btn:active {
  transform: translateY(0) !important;
}

/* Button variants - Bootstrap Override */
.btn-primary, a.btn-primary, button.btn-primary, input.btn-primary {
  background: linear-gradient(135deg, var(--primary-red), var(--secondary-red)) !important;
  color: var(--white) !important;
  border-color: transparent !important;
}

.btn-primary:hover, a.btn-primary:hover, button.btn-primary:hover, input.btn-primary:hover {
  background: linear-gradient(135deg, var(--secondary-red), var(--primary-red)) !important;
  color: var(--white) !important;
  border-color: transparent !important;
}

.btn-secondary, a.btn-secondary, button.btn-secondary, input.btn-secondary {
  background: var(--primary-grey) !important;
  color: var(--white) !important;
  border-color: transparent !important;
}

.btn-secondary:hover, a.btn-secondary:hover, button.btn-secondary:hover, input.btn-secondary:hover {
  background: var(--secondary-grey) !important;
  color: var(--white) !important;
  border-color: transparent !important;
}

.btn-success, a.btn-success, button.btn-success, input.btn-success {
  background: var(--success) !important;
  color: var(--white) !important;
  border-color: transparent !important;
}

.btn-warning, a.btn-warning, button.btn-warning, input.btn-warning {
  background: var(--warning) !important;
  color: var(--white) !important;
  border-color: transparent !important;
}

.btn-danger, a.btn-danger, button.btn-danger, input.btn-danger {
  background: var(--danger) !important;
  color: var(--white) !important;
  border-color: transparent !important;
}

.btn-outline, a.btn-outline, button.btn-outline, input.btn-outline {
  background: transparent;
  border: 2px solid var(--primary-red);
  color: var(--primary-red);
}

.btn-outline:hover, a.btn-outline:hover, button.btn-outline:hover, input.btn-outline:hover {
  background: var(--primary-red);
  color: var(--white);
}

/* Button sizes - Bootstrap Override */
.btn-sm, a.btn-sm, button.btn-sm, input.btn-sm {
  padding: 0.375rem 0.75rem !important;
  font-size: 0.8rem !important;
}

.btn-lg, a.btn-lg, button.btn-lg, input.btn-lg {
  padding: 1rem 1.5rem !important;
  font-size: 1.125rem !important;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  color: var(--white);
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: var(--radius-small);
}

.badge-primary {
  background-color: var(--primary-red);
}

.badge-success {
  background-color: var(--success);
}

.badge-warning {
  background-color: var(--warning);
}

.badge-danger {
  background-color: var(--danger);
}

.badge-secondary {
  background-color: var(--primary-grey);
}

/* =============================================================
   FORMS
   ============================================================= */

.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: var(--space-sm);
  border: 2px solid var(--border-grey);
  border-radius: var(--radius-small);
  font-size: 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  background: var(--white);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-red);
  box-shadow: 0 0 0 3px rgba(183, 28, 28, 0.1);
}

.form-control:invalid {
  border-color: var(--danger);
}

/* =============================================================
   TABLES - Bootstrap Override
   ============================================================= */

.table-responsive {
  overflow-x: auto;
  border-radius: var(--radius-medium) !important;
  box-shadow: var(--shadow-light) !important;
}

.table, table.table {
  width: 100% !important;
  border-collapse: collapse !important;
  background: var(--white) !important;
  margin: 0 !important;
}

.table th, table.table th, .table thead th {
  background: var(--light-grey) !important;
  color: var(--text-primary) !important;
  font-weight: 600 !important;
  padding: var(--space-md) !important;
  text-align: left !important;
  border-bottom: 2px solid var(--border-grey) !important;
  border-top: none !important;
}

.table td, table.table td, .table tbody td {
  padding: var(--space-md) !important;
  border-bottom: 1px solid var(--border-grey) !important;
  vertical-align: middle !important;
  border-top: none !important;
}

.table tbody tr:hover, table.table tbody tr:hover {
  background: var(--light-red) !important;
}

.table tbody tr:last-child td, table.table tbody tr:last-child td {
  border-bottom: none !important;
}

.table-striped tbody tr:nth-child(odd), table.table-striped tbody tr:nth-child(odd) {
  background: rgba(0, 0, 0, 0.02) !important;
}

.table-striped tbody tr:nth-child(even), table.table-striped tbody tr:nth-child(even) {
  background: var(--white) !important;
}

.table-bordered, table.table-bordered {
  border: 1px solid var(--border-grey) !important;
}

.table-bordered th, .table-bordered td, 
table.table-bordered th, table.table-bordered td {
  border: 1px solid var(--border-grey) !important;
}

/* =============================================================
   IMAGES & MEDIA
   ============================================================= */

.artwork-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-light);
  transition: transform 0.3s ease;
}

.artwork-image:hover {
  transform: scale(1.02);
}

.image-container {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-medium);
  margin-bottom: var(--space-md);
}

/* =============================================================
   AUDIO CONTROLS
   ============================================================= */

audio {
  width: 100%;
  height: 40px;
  border-radius: var(--radius-small);
  background: var(--light-grey);
}

audio::-webkit-media-controls-panel {
  background-color: var(--light-grey);
}

/* =============================================================
   ALERTS & NOTIFICATIONS
   ============================================================= */

.alert {
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  border-radius: var(--radius-medium);
  border-left: 4px solid;
}

.alert-success {
  background: #e8f5e8;
  border-left-color: var(--success);
  color: var(--success);
}

.alert-warning {
  background: #fff3e0;
  border-left-color: var(--warning);
  color: var(--warning);
}

.alert-danger {
  background: #ffebee;
  border-left-color: var(--danger);
  color: var(--danger);
}

/* =============================================================
   UTILITIES
   ============================================================= */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }

.p-0 { padding: 0; }
.p-1 { padding: var(--space-xs); }
.p-2 { padding: var(--space-sm); }
.p-3 { padding: var(--space-md); }
.p-4 { padding: var(--space-lg); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.flex-column { flex-direction: column; }
.align-items-center { align-items: center; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }

.gap-1 { gap: var(--space-xs); }
.gap-2 { gap: var(--space-sm); }
.gap-3 { gap: var(--space-md); }
.gap-4 { gap: var(--space-lg); }

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

/* Margin utilities */
.ml-1 { margin-left: var(--space-xs); }
.ml-2 { margin-left: var(--space-sm); }
.ml-3 { margin-left: var(--space-md); }
.mr-1 { margin-right: var(--space-xs); }
.mr-2 { margin-right: var(--space-sm); }
.mr-3 { margin-right: var(--space-md); }

/* =============================================================
   RESPONSIVE DESIGN
   ============================================================= */

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-sm);
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  
  .content-wrapper {
    margin-top: var(--space-md);
  }
  
  .panel-body, .card-body {
    padding: var(--space-sm);
  }
  
  .btn {
    padding: var(--space-sm);
    font-size: 0.875rem;
  }
  
  .table th, .table td {
    padding: var(--space-sm);
  }
}

@media (max-width: 480px) {
  body {
    font-size: 14px;
  }
  
  .header {
    padding: var(--space-sm) 0;
  }
  
  .header h1 {
    font-size: 1.5rem;
  }
  
  .btn {
    width: 100%;
    margin-bottom: var(--space-xs);
  }
}

/* =============================================================
   DARK MODE SUPPORT (Disabled - Force Light Mode)
   ============================================================= */

/* Dark mode disabled to maintain consistent light theme
@media (prefers-color-scheme: dark) {
  :root {
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --text-muted: #bdbdbd;
    --background: #121212;
    --white: #1e1e1e;
    --light-grey: #2c2c2c;
    --border-grey: #404040;
  }
}
*/

/* =============================================================
   PRINT STYLES
   ============================================================= */

@media print {
  .no-print {
    display: none !important;
  }
  
  body {
    color: #000;
    background: #fff;
  }
  
  .panel, .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}

/* =============================================================
   FINAL BOOTSTRAP OVERRIDES - MAXIMUM SPECIFICITY
   ============================================================= */

/* Force content wrapper styling */
.content-wrapper, div.content-wrapper {
  margin-top: var(--space-lg) !important;
  min-height: calc(100vh - 200px) !important;
  padding-bottom: var(--space-xl) !important;
  background: var(--background) !important;
}

/* Force container styling */
.container, div.container {
  max-width: 1200px !important;
  margin: 0 auto !important;
  padding: 0 var(--space-md) !important;
}

/* Row styling for Bootstrap grids */
.row, div.row {
  margin: 0 !important;
  padding: 0 !important;
}

/* Force panel styling to override Bootstrap */
div.col-md-12 > div.panel.panel-default {
  background: var(--white) !important;
  border-radius: var(--radius-medium) !important;
  box-shadow: var(--shadow-light) !important;
  border: none !important;
  border-left: 4px solid var(--primary-grey) !important;
}

div.col-md-12 > div.panel.panel-default > div.panel-heading {
  background: linear-gradient(135deg, var(--primary-grey), var(--secondary-grey)) !important;
  color: var(--white) !important;
  padding: var(--space-md) !important;
  font-weight: 600 !important;
  border: none !important;
  margin: 0 !important;
}

div.col-md-12 > div.panel.panel-default > div.panel-body {
  padding: var(--space-md) !important;
  background: var(--white) !important;
}

/* DataTables integration - force styling */
#dataTables-example_wrapper {
  background: transparent !important;
}

#dataTables-example_wrapper .dataTables_length,
#dataTables-example_wrapper .dataTables_filter,
#dataTables-example_wrapper .dataTables_info,
#dataTables-example_wrapper .dataTables_paginate {
  margin: var(--space-sm) 0 !important;
}

/* Bootstrap column padding override */
.col-md-12, .col-lg-12, .col-xs-12, .col-sm-12 {
  padding: 0 !important;
}

/* Force body styling over Bootstrap */
body {
  font-family: 'Inter', 'Segoe UI', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif !important;
  line-height: 1.6 !important;
  color: var(--text-primary) !important;
  background-color: #fafafa !important;
  background: #fafafa !important;
  margin: 0 !important;
  padding: 0 !important;
  font-size: 16px !important;
  font-weight: 400 !important;
}

/* Additional body background overrides */
html, body {
  background-color: #fafafa !important;
  background: #fafafa !important;
}