/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f2f5;
    color: #1a1a2e;
    line-height: 1.6;
}

/* ===== CONTAINER ===== */
.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 20px;
}

/* ===== HEADER ===== */
header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    color: white;
}

header h1 {
    font-size: 2rem;
    margin-bottom: 5px;
}

.subtitle {
    opacity: 0.9;
    font-size: 1rem;
}

/* ===== NAVIGAZIONE ===== */
.navigation {
    margin-top: 15px;
    display: flex;
    justify-content: center;
    gap: 12px;
}

.nav-link {
    color: white;
    text-decoration: none;
    padding: 8px 20px;
    border-radius: 20px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    transition: all 0.3s;
    font-weight: 500;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: white;
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.25);
    border-color: white;
}

/* ===== FILTRI ===== */
.filters-section {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.search-bar {
    flex: 1;
    padding: 10px 16px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.search-bar:focus {
    border-color: #667eea;
    outline: none;
}

.filter-select {
    padding: 10px 16px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    background: white;
    cursor: pointer;
    min-width: 200px;
}

.filter-select:focus {
    border-color: #667eea;
    outline: none;
}

/* ===== FORM ===== */
.form-section {
    background: white;
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.form-section h2 {
    margin-bottom: 16px;
    color: #333;
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    margin-bottom: 4px;
    font-weight: 600;
    color: #555;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: #667eea;
    outline: none;
}

.error-msg {
    color: #e74c3c;
    font-size: 0.85rem;
    margin-top: 4px;
    display: block;
    min-height: 1.2em;
}

/* ===== BOTTONI ===== */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-delete {
    background: #e74c3c;
    color: white;
    border: none;
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
}

.btn-delete:hover {
    background: #c0392b;
}

/* ===== TABELLA ===== */
.table-section {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin-bottom: 20px;
}

.table-section h2 {
    margin-bottom: 16px;
    color: #333;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead th {
    background: #f8f9fa;
    padding: 12px 10px;
    text-align: left;
    font-weight: 600;
    color: #555;
    border-bottom: 2px solid #e0e0e0;
    font-size: 0.9rem;
}

tbody tr {
    border-bottom: 1px solid #eee;
    transition: background 0.2s;
}

tbody tr:hover {
    background: #f8f9ff;
}

tbody td {
    padding: 12px 10px;
    font-size: 0.95rem;
}

.truncated {
    color: #777;
    font-size: 0.9rem;
}

/* ===== MESSAGGI ===== */
.message {
    padding: 14px 20px;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    margin: 10px 0;
}

.message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.nascosto {
    display: none;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .filters-section {
        flex-direction: column;
    }

    .filter-select {
        min-width: 100%;
    }

    table {
        font-size: 0.85rem;
    }

    thead th,
    tbody td {
        padding: 8px 6px;
    }

    .navigation {
        flex-direction: column;
        align-items: center;
    }
}