/* ===== RESET E VARIABILI ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4CAF50;
    --secondary-color: #2196F3;
    --danger-color: #f44336;
    --warning-color: #ff9800;
    --success-color: #4CAF50;
    --info-color: #2196F3;
    --light-gray: #f5f5f5;
    --dark-gray: #333;
    --border-color: #ddd;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #fafafa;
    color: #333;
    line-height: 1.6;
}

/* ===== LAYOUT PRINCIPALE ===== */
.container {
    display: flex;
    height: 100vh;
    width: 100%;
}

.sidebar {
    width: 260px;
    background: linear-gradient(180deg, #2c3e50 0%, #34495e 100%);
    color: white;
    overflow-y: auto;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    z-index: 1000;
}

.sidebar-header {
    padding: 30px 20px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.sidebar-header h1 {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 5px;
}

.sidebar-header p {
    font-size: 12px;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sidebar-nav ul {
    list-style: none;
    padding: 20px 0;
}

.sidebar-nav li {
    margin: 0;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border-left-color: var(--primary-color);
}

.sidebar-nav .icon {
    margin-right: 12px;
    font-size: 18px;
}

.content {
    flex: 1;
    margin-left: 260px;
    overflow-y: auto;
    background-color: #fafafa;
    width: calc(100% - 260px);
}

.main-content {
    flex: 1;
    margin-left: 260px;
    overflow-y: auto;
    background-color: #fafafa;
    width: calc(100% - 260px);
}

/* ===== TOP BAR ===== */
.top-bar {
    background: white;
    padding: 20px 30px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--light-gray);
}

.top-bar h2 {
    font-size: 28px;
    color: var(--dark-gray);
}

.top-bar-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.search-input {
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 14px;
    min-width: 250px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--dark-gray);
    font-size: 14px;
}

/* ===== CARDS ===== */
.card {
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin: 20px;
    overflow: hidden;
}

.card-header {
    padding: 20px;
    border-bottom: 1px solid var(--light-gray);
}

.card-header h3 {
    font-size: 18px;
    color: var(--dark-gray);
    margin: 0;
}

.card-body {
    padding: 20px;
}

.card-text {
    font-size: 12px;
    color: #999;
    margin-top: 10px;
}

.card-full {
    margin-left: 20px;
    margin-right: 20px;
}

/* ===== DASHBOARD GRID ===== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    padding: 20px;
}

.card-primary { border-top: 4px solid var(--primary-color); }
.card-success { border-top: 4px solid var(--success-color); }
.card-warning { border-top: 4px solid var(--warning-color); }
.card-danger { border-top: 4px solid var(--danger-color); }
.card-info { border-top: 4px solid var(--info-color); }

.card-stat {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
    margin: 10px 0;
}

.card-success .card-stat { color: var(--success-color); }
.card-warning .card-stat { color: var(--warning-color); }
.card-danger .card-stat { color: var(--danger-color); }
.card-info .card-stat { color: var(--info-color); }

/* ===== TABELLE ===== */
.table {
    width: 100%;
    border-collapse: collapse;
    min-width: 1000px;
}

.table thead {
    background-color: var(--light-gray);
}

.table th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: var(--dark-gray);
    border-bottom: 2px solid var(--border-color);
    min-width: 100px;
}

.table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--light-gray);
    min-width: 100px;
}

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

.table-hover tbody tr:hover {
    background-color: #f0f0f0;
    cursor: pointer;
}

.table-wrapper {
    overflow-x: auto;
    margin: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.text-center {
    text-align: center;
    color: #999;
}

/* ===== PULSANTI ===== */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

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

.btn-primary:hover {
    background-color: #45a049;
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

.btn-secondary {
    background-color: #9E9E9E;
    color: white;
}

.btn-secondary:hover {
    background-color: #757575;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
    padding: 6px 12px;
    font-size: 12px;
}

.btn-danger:hover {
    background-color: #da190b;
}

.btn-success {
    background-color: var(--success-color);
    color: white;
    padding: 6px 12px;
    font-size: 12px;
}

.btn-edit {
    background-color: var(--info-color);
    color: white;
    padding: 6px 12px;
    font-size: 12px;
}

.btn-edit:hover {
    background-color: #0b7dda;
}

/* ===== MODALI ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    justify-content: center;
    align-items: center;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background-color: white;
    padding: 0;
    border-radius: 8px;
    width: 90%;
    max-width: 700px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: 20px;
    border-bottom: 2px solid var(--light-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    color: var(--dark-gray);
    font-size: 24px;
}

.close-btn {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: #999;
    transition: color 0.3s ease;
}

.close-btn:hover {
    color: var(--dark-gray);
}

/* ===== FORM ===== */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    padding: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark-gray);
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 5px rgba(76, 175, 80, 0.2);
}

.form-actions {
    grid-column: 1 / -1;
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    padding-top: 20px;
    border-top: 1px solid var(--light-gray);
}

/* ===== PAGINAZIONE ===== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 30px 20px;
}

.pagination button {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    background: white;
    color: var(--dark-gray);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination button:hover:not(:disabled) {
    background-color: var(--light-gray);
    border-color: var(--primary-color);
}

.pagination button.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .sidebar {
        width: 200px;
    }

    .content {
        margin-left: 200px;
    }

    .dashboard-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        border-bottom: 1px solid var(--border-color);
    }

    .content {
        margin-left: 0;
    }

    .container {
        flex-direction: column;
        height: auto;
    }

    .top-bar {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }

    .top-bar-actions {
        flex-direction: column;
        width: 100%;
    }

    .search-input {
        width: 100%;
        min-width: unset;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .table {
        font-size: 12px;
    }

    .table th,
    .table td {
        padding: 8px 10px;
    }
}