/* ============================================
   GestoreScuola - Main CSS File
   Centralizzato per facilitare manutenzione
   ============================================ */

/* ========== Variables ========== */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --success-color: #27ae60;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --info-color: #17a2b8;
    --light-color: #ecf0f1;
    --dark-color: #34495e;
    
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    --border-radius: 0.375rem;
    --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* ========== Reset & Base Styles ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--dark-color);
    background-color: #f5f7fa;
}

/* ========== Layout ========== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-md);
}

/* ========== Header & Navigation ========== */
.main-header {
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-sm) 0;
    box-shadow: var(--box-shadow);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
}

.navbar-menu {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
    align-items: center;
    margin-bottom: 0rem;
}

.navbar-menu li {
    position: relative;
    display: flex;
    align-items: center;
}

.navbar-menu a {
    color: white;
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
}

.navbar-menu a:hover,
.navbar-menu a.active {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Dropdown menu styles */
.navbar-menu .dropdown {
    position: relative;
}

.navbar-menu .dropdown > a::after {
    content: ' ▾';
    font-size: 0.8em;
}

.navbar-menu .dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 2px);
    left: 0;
    background-color: white;
    min-width: 220px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: var(--border-radius);
    padding: var(--spacing-xs) 0;
    margin-top: 0;
    list-style: none;
    z-index: 1000;
}

/* Crea un'area invisibile per mantenere l'hover */
.navbar-menu .dropdown::before {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 4px;
    background: transparent;
}

.navbar-menu .dropdown:hover .dropdown-menu,
.navbar-menu .dropdown-menu:hover {
    display: block;
}

.navbar-menu .dropdown-menu li {
    margin: 0;
}

.navbar-menu .dropdown-menu a {
    color: var(--dark-color);
    padding: var(--spacing-xs) var(--spacing-md);
    display: block;
    border-radius: 0;
    white-space: nowrap;
    background-color: transparent;
}

.navbar-menu .dropdown-menu a:hover {
    background-color: var(--light-color);
    color: var(--secondary-color);
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
}

.user-dropdown {
    position: relative;
}

.user-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.1);
    height: 100%;
}

.user-dropdown-toggle:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.user-dropdown-toggle i.bi-person-circle {
    font-size: 1.5rem;
}

.user-dropdown-toggle .avatar-img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.user-dropdown-toggle i.bi-chevron-down {
    font-size: 0.75rem;
}

.user-name {
    font-weight: 500;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-dropdown .dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    left: auto;
    background-color: white;
    min-width: 220px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: var(--border-radius);
    padding: 0.5rem 0;
    list-style: none;
    z-index: 1000;
}

/* Arrow pointing up for dropdown */
.user-dropdown .dropdown-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 20px;
    width: 12px;
    height: 12px;
    background-color: white;
    transform: rotate(45deg);
    box-shadow: -2px -2px 3px rgba(0, 0, 0, 0.05);
}

.user-dropdown::before {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 10px;
    background: transparent;
}

.user-dropdown:hover .dropdown-menu,
.user-dropdown .dropdown-menu:hover {
    display: block;
}

.user-dropdown .dropdown-menu li {
    margin: 0;
}

.user-dropdown .dropdown-menu a {
    color: var(--dark-color);
    padding: 0.6rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    transition: var(--transition);
}

.user-dropdown .dropdown-menu a:hover {
    background-color: var(--light-color);
    color: var(--secondary-color);
}

.user-dropdown .dropdown-menu a.text-danger {
    color: var(--danger-color);
}

.user-dropdown .dropdown-menu a.text-danger:hover {
    background-color: #fee;
    color: #c82333;
}

.dropdown-header {
    padding: 0.5rem 1.25rem;
    color: #6c757d;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dropdown-divider {
    height: 0;
    margin: 0.5rem 0;
    overflow: hidden;
    border-top: 1px solid #e9ecef;
}

/* Mobile menu toggle */
.navbar-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* ========== Main Content ========== */
.main-content {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-lg) 0;
}

.page-header {
    margin-bottom: var(--spacing-lg);
}

.page-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    color: #7f8c8d;
    font-size: 1.1rem;
}

/* ========== Cards ========== */
.card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.card-header {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--light-color);
}

.card-body {
    padding: var(--spacing-sm) 0;
}

.card-footer {
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--light-color);
    margin-top: var(--spacing-sm);
}

/* ========== Buttons ========== */
.btn {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #2980b9;
}

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

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

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

.btn-secondary {
    background-color: #95a5a6;
    color: white;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1.125rem;
}

/* ========== Forms ========== */
.form-group {
    margin-bottom: var(--spacing-md);
}

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

.form-control,
.form-select {
    width: 100%;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-text {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: #7f8c8d;
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background-color: #f8f9fa;
    border-radius: var(--border-radius);
    border: 1px solid #dee2e6;
}

.form-check-input {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.form-check-label {
    cursor: pointer;
    margin: 0;
    font-weight: 500;
}

/* ========== Search Form Styles ========== */
.search-form {
    margin-bottom: var(--spacing-md);
}

.search-form-container {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: var(--spacing-md);
    align-items: center;
}

.search-input-wrapper {
    flex: 1;
}

.search-checkbox-wrapper {
    display: flex;
    align-items: center;
}

/* Custom Checkbox */
.custom-checkbox {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: #f8f9fa;
    border-radius: var(--border-radius);
    border: 2px solid #dee2e6;
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
}

.custom-checkbox:hover {
    background-color: #e9ecef;
    border-color: var(--secondary-color);
}

.custom-checkbox input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    width: 0;
    height: 0;
}

.custom-checkbox .checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #6c757d;
    border-radius: 4px;
    background-color: white;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-checkbox input:checked ~ .checkmark {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

.custom-checkbox input:checked ~ .checkmark::after {
    content: '✓';
    color: white;
    font-weight: bold;
    font-size: 14px;
}

.custom-checkbox .checkbox-label {
    font-weight: 500;
    color: var(--dark-color);
    white-space: nowrap;
}

.total-count {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid #e9ecef;
    font-size: 1rem;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid #e9ecef;
}

.invalid-feedback {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--danger-color);
    font-size: 0.875rem;
}

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

.list-unstyled li {
    margin-bottom: var(--spacing-xs);
}

.text-muted {
    color: #6c757d;
}

/* ========== Tables ========== */
/*
 * STANDARD TABELLE PIATTAFORMA
 * Tutte le tabelle devono usare la classe .table-gestionale
 * all'interno di una .card > .card-body > .table-responsive
 * Le colonne sono ordinabili tramite JS (th[data-sortable])
 * Paginazione a 20 righe con includes/pagination.html
 */
.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.table th,
.table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid #e9ecef;
    vertical-align: middle;
}

.table th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 1;
}

/* Sortable column headers */
.table th[data-sortable] {
    cursor: pointer;
    user-select: none;
    padding-right: 2rem;
    position: relative;
    transition: background-color 0.2s ease;
}

.table th[data-sortable]:hover {
    background-color: #1a2d3d;
}

.table th[data-sortable]::after {
    content: '⇅';
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.5;
    font-size: 0.85rem;
}

.table th[data-sortable].sort-asc::after {
    content: '▲';
    opacity: 1;
    color: #ffc107;
    font-size: 0.85rem;
}

.table th[data-sortable].sort-desc::after {
    content: '▼';
    opacity: 1;
    color: #ffc107;
    font-size: 0.85rem;
}

.table tbody tr {
    transition: background-color 0.15s ease;
}

.table tbody tr:hover {
    background-color: #f0f6ff;
}

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

/* Zebra striping */
.table tbody tr:nth-child(even) {
    background-color: #fafbfc;
}

.table tbody tr:nth-child(even):hover {
    background-color: #f0f6ff;
}

/* Table inside card styling */
.card .table-responsive {
    margin: -0.25rem -0.5rem -0.5rem;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    overflow-x: auto;
}

.card .table {
    margin-bottom: 0;
}

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* ========== Pagination ========== */
.pagination-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
    padding: 0;
    margin: 0;
    flex-wrap: wrap;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 0.5rem;
    border: 1px solid #dee2e6;
    border-radius: var(--border-radius);
    background: white;
    color: var(--dark-color);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
}

.page-btn:hover {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
    text-decoration: none;
}

.page-btn-active {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
    pointer-events: none;
}

.page-btn-ellipsis {
    border: none;
    background: transparent;
    cursor: default;
    pointer-events: none;
    min-width: 24px;
}

.pagination-info {
    text-align: center;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: #6c757d;
}

/* ========== Alerts & Messages ========== */
.alert {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border-left: 4px solid var(--success-color);
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 4px solid var(--danger-color);
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border-left: 4px solid var(--warning-color);
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid var(--info-color);
}

/* ========== Badges ========== */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 1rem;
    color: white;
}

#subjectsContainer .badge {
     color: #0000ff; 
}

.badge-primary,
.bg-primary { background-color: var(--secondary-color); color: white; }

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

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

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

.badge-info,
.bg-info { background-color: var(--info-color); color: white; }

.badge-secondary,
.bg-secondary { background-color: #6c757d; color: white; }

.bg-dark { background-color: var(--dark-color); color: white; }

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

/* ========== Footer ========== */
.main-footer {
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-md) 0;
    margin-top: var(--spacing-xl);
    text-align: center;
}

/* ========== Utilities ========== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: #6c757d; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.ms-1 { margin-left: 0.25rem; }
.ms-2 { margin-left: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.w-100 { width: 100%; }
.d-flex { display: flex; }
.justify-content-between { justify-content: space-between; }
.justify-content-end { justify-content: flex-end; }
.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.rounded { border-radius: var(--border-radius); }
.small { font-size: 0.875rem; }

/* Progress bars */
.progress {
    height: 1rem;
    background-color: #e9ecef;
    border-radius: 0.25rem;
    overflow: hidden;
}

.progress-bar {
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: white;
    text-align: center;
    white-space: nowrap;
    transition: width 0.6s ease;
}

/* ========== Responsive Design ========== */
@media (max-width: 768px) {
    .navbar-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background-color: var(--primary-color);
        padding: var(--spacing-md);
    }
    
    .navbar-menu.active {
        display: flex;
    }
    
    .navbar-toggle {
        display: block;
    }
    
    .user-name {
        display: none;
    }
    
    .user-dropdown-toggle {
        padding: 0.5rem;
    }
    
    .user-dropdown-toggle .avatar-img {
        width: 28px;
        height: 28px;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .table {
        font-size: 0.8rem;
    }
    
    .search-form-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .search-checkbox-wrapper {
        order: 2;
    }
    
    button[type="submit"] {
        order: 3;
    }
    
    .table th,
    .table td {
        padding: 0.5rem 0.6rem;
    }

    .table th[data-sortable]::after {
        display: none;
    }
}

/* ========== Login Page Specific ========== */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.login-card {
    max-width: 400px;
    width: 100%;
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.login-logo {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
    font-size: 2rem;
    font-weight: bold;
}

/* ========== Dashboard Widgets ========== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}
.action-buttons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.action-buttons-grid .btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: center;
    min-height: auto;
}

.action-buttons-grid .btn-icon {
    font-size: 1.25rem;
    line-height: 1;
}

.action-buttons-grid .btn-text {
    font-weight: 500;
    font-size: 0.95rem;
}
.stat-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--secondary-color);
}

.stat-label {
    font-size: 1rem;
    color: #7f8c8d;
    margin-top: var(--spacing-xs);
}

/* ========== Grid System ========== */
.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -0.75rem;
    margin-left: -0.75rem;
}

.col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-8 {
    position: relative;
    width: 100%;
    padding-right: 0.75rem;
    padding-left: 0.75rem;
}

@media (min-width: 768px) {
    .col-md-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-md-3 { flex: 0 0 25%; max-width: 25%; }
    .col-md-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-md-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
    .col-md-6 { flex: 0 0 50%; max-width: 50%; }
    .col-md-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
}

/* Gap utilities */
.g-3 > * {
    padding-right: 0.75rem;
    padding-left: 0.75rem;
}

/* ========== Lessons ========== */

/* Filter grid for lesson list */
.filter-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr auto;
    gap: 0.75rem;
    align-items: end;
}

@media (max-width: 992px) {
    .filter-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .filter-grid {
        grid-template-columns: 1fr;
    }
}

/* Lesson status badges */
.badge-scheduled {
    background-color: #3498db;
    color: white;
}
.badge-completed {
    background-color: #27ae60;
    color: white;
}
.badge-cancelled {
    background-color: #e74c3c;
    color: white;
}
.badge-no_show {
    background-color: #f39c12;
    color: white;
}
.badge-rescheduled {
    background-color: #9b59b6;
    color: white;
}

/* Lesson row status indicators */
.lesson-row.lesson-status-cancelled {
    opacity: 0.65;
}
.lesson-row.lesson-status-completed {
    border-left: 3px solid #27ae60;
}
.lesson-row.lesson-status-no_show {
    border-left: 3px solid #f39c12;
}

/* Lesson log content area */
.log-text {
    background: #f8f9fa;
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    border-left: 3px solid var(--secondary-color);
}

/* ========== Curriculum Year Cards (lesson detail & curriculum detail) ========== */
.curriculum-year-card {
    background-color: #e7f3ff;
    border: 2px solid #0d6efd;
    border-radius: var(--border-radius);
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.curriculum-year-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
    gap: 1rem;
}

.curriculum-year-title {
    margin: 0 0 0.15rem 0;
    font-size: 1.15rem;
}

.curriculum-year-dates {
    margin: 0;
    font-size: 0.85rem;
    color: #6c757d;
}

.curriculum-subject-group {
    margin-bottom: 0.75rem;
}

.curriculum-subject-name {
    margin-bottom: 0.35rem;
    font-size: 1rem;
}

.curriculum-subject-name .badge {
    font-size: 0.7rem;
    vertical-align: middle;
    margin-left: 0.25rem;
}

.curriculum-topics-list {
    padding-left: 0.25rem;
}

.curriculum-topic-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.2rem 0;
    font-size: 0.9rem;
}

.curriculum-topic-check {
    flex-shrink: 0;
    font-size: 1rem;
}

.curriculum-topic-item.completed .curriculum-topic-name {
    color: var(--success-color);
}

.curriculum-progress {
    margin-top: 0.75rem;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(0,0,0,0.08);
}

/* Legacy support - keep old class working */
.curriculum-items-list {
    list-style: none;
    padding-left: 0.5rem;
    margin-bottom: 0.5rem;
}
.curriculum-items-list li {
    padding: 0.15rem 0;
    font-size: 0.9rem;
}
.curriculum-items-list li.completed {
    color: var(--success-color);
}

/* Curriculum section in log form */
.curriculum-section {
    border-top: 2px solid var(--light-color);
    padding-top: 1.5rem;
}
/* ========== Modal System ========== */
/*
 * Sistema modale centralizzato per la piattaforma
 * Usare .modal-overlay come contenitore, sempre con display: flex
 */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: fadeIn 0.2s ease;
}

.modal-overlay.show {
    display: flex;
}

.modal-dialog {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    animation: slideDown 0.3s ease;
}

.modal-content {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 2px solid var(--light-color);
}

.modal-header h3 {
    margin: 0;
    color: var(--primary-color);
    font-size: 1.25rem;
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--light-color);
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

/* Conflicts list in modal */
.conflicts-list {
    background: #f8f9fa;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-top: 1rem;
}

.conflicts-list h4 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--dark-color);
}

.conflict-item {
    background: white;
    border-left: 3px solid var(--warning-color);
    padding: 0.75rem;
    margin-bottom: 0.75rem;
    border-radius: var(--border-radius);
}

.conflict-item:last-child {
    margin-bottom: 0;
}

.conflict-item strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.conflict-item ul {
    margin: 0;
    padding-left: 1.25rem;
    list-style-type: disc;
}

.conflict-item li {
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}

/* Modal animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive modal */
@media (max-width: 768px) {
    .modal-dialog {
        max-width: 100%;
        margin: 0.5rem;
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 1rem;
    }
}

/* ========== Storybook / Timeline Appunti ========== */
.storybook-timeline {
    position: relative;
    padding-left: 24px;
}
.storybook-timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: #dee2e6;
    border-radius: 2px;
}
.storybook-entry {
    position: relative;
    background: #fff;
    border: 1px solid #dee2e6;
    border-radius: var(--border-radius);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-md);
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.storybook-entry::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 16px;
    width: 10px;
    height: 10px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 2px solid #fff;
    box-shadow: 0 0 0 2px var(--primary-color);
}
.storybook-entry-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}
.storybook-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.storybook-date {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-wrap: wrap;
}
.storybook-entry-body {
    padding-top: 0.25rem;
    line-height: 1.6;
    color: #333;
}
.storybook-entry-body p:last-child {
    margin-bottom: 0;
}
.storybook-entry-footer {
    margin-top: 0.5rem;
    padding-top: 0.25rem;
    border-top: 1px solid #f0f0f0;
}

/* Note type badge colors */
.badge-note-general    { background-color: #6c757d; color: #fff; }
.badge-note-didactic   { background-color: #0d6efd; color: #fff; }
.badge-note-behavior   { background-color: #fd7e14; color: #fff; }
.badge-note-family     { background-color: #6f42c1; color: #fff; }
.badge-note-admin      { background-color: #20c997; color: #fff; }
.badge-note-other      { background-color: #adb5bd; color: #fff; }

/* ========== Report Card (Pagellini) ========== */
.report-card-summary .card {
    border-left: 4px solid var(--primary-color);
}
.badge-rc-draft            { background-color: #6c757d; color: #fff; }
.badge-rc-first_semester   { background-color: #0d6efd; color: #fff; }
.badge-rc-second_semester  { background-color: #198754; color: #fff; }
.badge-rc-final            { background-color: #fd7e14; color: #fff; }
.badge-rc-published        { background-color: #20c997; color: #fff; }

.grade-display {
    display: inline-block;
    min-width: 32px;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 500;
    color: #999;
}
.grade-display.has-grade {
    background: #e3f2fd;
    color: #1565c0;
    font-weight: 700;
}

/* Rich text rendered content */
.rich-text-content {
    padding: 0.75rem;
    background: #fafafa;
    border: 1px solid #eee;
    border-radius: var(--border-radius);
    line-height: 1.6;
}
.rich-text-content h1,
.rich-text-content h2,
.rich-text-content h3 {
    margin-top: 0.5rem;
}
.rich-text-content p:last-child {
    margin-bottom: 0;
}