/* --- Reset & Base --- */
:root {
    --bg-color: #f8f9fa;
    --text-color: #333333;
    --primary: #0056b3;
    --primary-hover: #004494;
    --border-color: #dee2e6;
    --bg-card: #ffffff;
    --success-bg: #d4edda;
    --success-text: #155724;
    --danger-bg: #f8d7da;
    --danger-text: #721c24;
    --error-color: #dc3545;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Accessibilità --- */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.hidden {
    display: none !important;
}

/* --- Header --- */
.app-header {
    background-color: var(--bg-card);
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    margin-bottom: 40px;
}

.app-header h1 {
    font-size: 1.5rem;
    color: var(--primary);
}

/* --- Search Area --- */
.search-section {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    margin-bottom: 24px;
}

.search-form {
    display: flex;
    gap: 15px;
}

.search-form input {
    flex: 1;
    padding: 14px 16px;
    font-size: 1.1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.search-form input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.2);
}

.btn-primary {
    background-color: var(--primary);
    color: #fff;
    border: none;
    padding: 14px 28px;
    font-size: 1.1rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.2s;
}

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

.validation-msg {
    color: var(--error-color);
    font-size: 0.9rem;
    margin-top: 8px;
}

/* --- Status & Loading --- */
.status-container {
    margin-bottom: 24px;
    text-align: center;
}

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1.1rem;
    color: #555;
}

.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid rgba(0, 86, 179, 0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.error-card {
    background-color: var(--danger-bg);
    color: var(--danger-text);
    padding: 15px;
    border-radius: 6px;
    border: 1px solid #f5c6cb;
}

/* --- Results Area --- */
.results-section {
    background: var(--bg-card);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    overflow: hidden;
}

/* Card "Non Trovato" */
.not-found-card {
    padding: 40px 20px;
    text-align: center;
}

.not-found-card h2 {
    color: var(--danger-text);
    margin-bottom: 10px;
}

.not-found-card p {
    color: #666;
}

/* Tabella Risultati */
.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

thead {
    background-color: var(--bg-color);
}

th, td {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

th {
    font-weight: 600;
    color: #555;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

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

/* Badge Condizione */
.badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
    text-align: center;
}

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

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

/* Responsive */
@media (max-width: 600px) {
    .search-form {
        flex-direction: column;
    }
    .btn-primary {
        width: 100%;
    }
}

.header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.user-badge {
    background: #e9f2ff;
    color: #0d3b75;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
}

.btn-secondary {
    background-color: #6c757d;
    color: #fff;
    border: none;
    padding: 10px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

.auth-container {
    max-width: 640px;
}

.auth-card h2 {
    margin-bottom: 8px;
    color: var(--primary);
}

.auth-subtitle {
    margin-bottom: 16px;
    color: #666;
}