:root {
    --color--dark: #ffffff; /* Invertito con light */
    --color--light: #000000; /* Invertito con dark */
    --color--dark-0-8: rgba(15, 15, 25, 0.8); /* Nuove variabili scure */
    --color--dark-0-7: rgba(15, 15, 25, 0.7);
    --color--dark-0-6: rgba(15, 15, 25, 0.6);
    --color--dark-0-3: rgba(15, 15, 25, 0.3);
    --color--dark-0-1: rgba(15, 15, 25, 0.1);
    --color-success: #4CAF50;
    --color-success-light: rgba(76, 175, 80, 0.2);
    --color-danger: #FF6B6B;
    --color-danger-light: rgba(255, 107, 107, 0.2);
    --color-primary: #4285f4;
    --color-primary-light: rgba(66, 133, 244, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter Tight', sans-serif;
}

body {
    background-color: var(--color--dark); /* Era dark, ora è bianco */
    color: var(--color--light); /* Era light, ora è nero */
    line-height: 1.6;
}

/* Stili per la pagina di login */
.login-container {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at center, rgba(15, 15, 25, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
}

.login-box {
    background-color: rgba(15, 15, 25, 0.05);
    border-radius: 12px;
    padding: 30px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(15, 15, 25, 0.1);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    max-width: 120px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--color--dark-0-8);
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--color--dark-0-3);
    border-radius: 8px;
    background-color: rgba(15, 15, 25, 0.05);
    color: var(--color--light);
    font-size: 16px;
    transition: all 0.2s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color--light);
    box-shadow: 0 0 0 3px rgba(15, 15, 25, 0.1);
}

.btn {
    display: block;
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.alert {
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-danger {
    background-color: var(--color-danger-light);
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
}

/* Stili per la dashboard admin */
.admin-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background-color: rgba(15, 15, 25, 0.05);
    border-right: 1px solid rgba(15, 15, 25, 0.1);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-header {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid rgba(15, 15, 25, 0.1);
}

.sidebar-header .logo {
    width: 80px;
    margin-bottom: 10px;
}

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

.nav-links li {
    margin-bottom: 5px;
}

.nav-links li a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--color--dark-0-7);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.nav-links li a i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.nav-links li a:hover,
.nav-links li.active a {
    background-color: rgba(15, 15, 25, 0.05);
    color: var(--color--light);
    border-left-color: var(--color--light);
}

.main-content {
    flex: 1;
    padding: 20px;
    margin-left: 260px;
    min-height: 100vh;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(15, 15, 25, 0.1);
}

.user-info {
    display: flex;
    align-items: center;
}

.section-container {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background-color: rgba(15, 15, 25, 0.05);
    border-radius: 12px;
    padding: 20px;
    position: relative;
    border: 1px solid rgba(15, 15, 25, 0.1);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.stat-value {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-label {
    color: var(--color--dark-0-7);
    font-size: 14px;
}

.stat-icon {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 30px;
    opacity: 0.2;
}

.chart-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.chart-card {
    background-color: rgba(15, 15, 25, 0.05);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid rgba(15, 15, 25, 0.1);
}

.chart-card h3 {
    margin-bottom: 20px;
    font-size: 18px;
    color: var(--color--dark-0-8);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

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

.btn-export {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    background-color: rgba(15, 15, 25, 0.05);
    color: var(--color--light);
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 1px solid rgba(15, 15, 25, 0.15);
}

.btn-export:hover {
    background-color: rgba(15, 15, 25, 0.1);
    transform: translateY(-2px);
}

.search-box {
    position: relative;
    width: 300px;
}

.search-box input {
    width: 100%;
    padding: 10px 15px 10px 40px;
    border-radius: 30px;
    border: 1px solid var(--color--dark-0-3);
    background-color: rgba(15, 15, 25, 0.05);
    color: var(--color--light);
    font-size: 14px;
}

.search-box input:focus {
    outline: none;
    border-color: var(--color--light);
}

.search-box i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color--dark-0-6);
}

/* Pannello filtri */
.filter-panel {
    background-color: rgba(15, 15, 25, 0.03);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid rgba(15, 15, 25, 0.08);
}

.filter-panel form {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: flex-end;
}

.filter-group {
    flex: 1;
    min-width: 150px;
}

.filter-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--color--dark-0-7);
}

.filter-group select, 
.filter-group input {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid rgba(15, 15, 25, 0.15);
    background-color: rgba(15, 15, 25, 0.05);
    color: var(--color--light);
    font-size: 14px;
}

.filter-group select:focus, 
.filter-group input:focus {
    outline: none;
    border-color: var(--color--dark-0-6);
}

.btn-filter, 
.btn-reset {
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-filter {
    background-color: var(--color--light);
    color: var(--color--dark);
}

.btn-reset {
    background-color: rgba(15, 15, 25, 0.1);
    color: var(--color--light);
}

.btn-filter:hover, 
.btn-reset:hover {
    transform: translateY(-2px);
}

/* Flatpickr personalizzato */
.flatpickr-calendar {
    background-color: var(--color--dark) !important;
    border: 1px solid rgba(15, 15, 25, 0.1) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1) !important;
}

.flatpickr-day {
    color: var(--color--dark-0-8) !important;
}

.flatpickr-day.selected {
    background-color: var(--color--light) !important;
    color: var(--color--dark) !important;
    border-color: var(--color--light) !important;
}

.flatpickr-day:hover {
    background-color: rgba(15, 15, 25, 0.1) !important;
}

.flatpickr-months .flatpickr-month, 
.flatpickr-current-month .flatpickr-monthDropdown-months, 
.flatpickr-months .flatpickr-prev-month, 
.flatpickr-months .flatpickr-next-month {
    color: var(--color--light) !important;
    fill: var(--color--light) !important;
}

/* Stile specifico per l'input calendar quando è aperto */
.flatpickr-input.active {
    border-color: var(--color--light) !important;
}

/* Stili per la selezione intervallo date */
.date-range-selector {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.date-range-selector .date-input {
    background-color: rgba(15, 15, 25, 0.05);
    border: 1px solid rgba(15, 15, 25, 0.15);
    color: var(--color--light);
    padding: 8px 12px;
    border-radius: 8px;
    min-width: 120px;
    font-size: 14px;
}

.date-range-selector .date-input:focus {
    outline: none;
    border-color: var(--color--dark-0-6);
}

.date-range-selector span {
    color: var(--color--dark-0-7);
}

.table-container {
    overflow-x: auto;
    background-color: rgba(15, 15, 25, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(15, 15, 25, 0.1);
    margin-bottom: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

table th, table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid rgba(15, 15, 25, 0.1);
}

table th {
    background-color: rgba(15, 15, 25, 0.05);
    color: var(--color--light);
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 10;
}

table tr:hover {
    background-color: rgba(15, 15, 25, 0.02);
}

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

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

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

/* Paginazione */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.btn-page {
    padding: 8px 12px;
    border-radius: 6px;
    background-color: rgba(15, 15, 25, 0.05);
    color: var(--color--light);
    text-decoration: none;
    font-size: 14px;
    border: 1px solid rgba(15, 15, 25, 0.1);
    transition: all 0.2s ease;
}

.btn-page:hover {
    background-color: rgba(15, 15, 25, 0.1);
}

.btn-page.active {
    background-color: var(--color--light);
    color: var(--color--dark);
    font-weight: 600;
}

.records-info {
    text-align: center;
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--color--dark-0-7);
}

/* Strumenti */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
}

.tool-card {
    background-color: rgba(15, 15, 25, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(15, 15, 25, 0.1);
    overflow: hidden;
}

.tool-header {
    background-color: rgba(15, 15, 25, 0.08);
    padding: 15px 20px;
    border-bottom: 1px solid rgba(15, 15, 25, 0.1);
    display: flex;
    align-items: center;
    gap: 15px;
}

.tool-header i {
    font-size: 24px;
    opacity: 0.8;
}

.tool-header h3 {
    font-size: 18px;
    margin: 0;
}

.tool-content {
    padding: 20px;
}

.tool-content p {
    margin-bottom: 15px;
    color: var(--color--dark-0-7);
}

.tool-result {
    background-color: rgba(15, 15, 25, 0.1);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    max-height: 250px;
    overflow-y: auto;
}

.tool-result textarea {
    width: 100%;
    height: 150px;
    background: transparent;
    border: none;
    color: var(--color--light);
    font-family: monospace;
    padding: 0;
    resize: none;
}

.tool-result textarea:focus {
    outline: none;
}

.btn-tool {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    background-color: rgba(15, 15, 25, 0.1);
    color: var(--color--light);
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid rgba(15, 15, 25, 0.1);
}

.btn-tool:hover {
    background-color: rgba(15, 15, 25, 0.15);
}

/* Lista compleanni */
.birthday-list {
    min-height: 100px;
}

.birthday-people {
    list-style: none;
    padding: 0;
}

.birthday-people li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid rgba(15, 15, 25, 0.1);
}

.birthday-people li:last-child {
    border-bottom: none;
}

.birthday-date {
    background-color: rgba(15, 15, 25, 0.1);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 14px;
    width: 50px;
    text-align: center;
}

.birthday-name {
    flex: 1;
    padding: 0 15px;
}

.birthday-contact {
    display: flex;
    gap: 10px;
}

.birthday-contact a {
    color: var(--color--dark-0-6);
    text-decoration: none;
    transition: all 0.2s ease;
}

.birthday-contact a:hover {
    color: var(--color--light);
}

.no-data {
    color: var(--color--dark-0-6);
    text-align: center;
    padding: 20px;
}

/* Stili per la sezione Quiz Report */
.quiz-report-tool {
    grid-column: span 2;
}

.quiz-filters {
    margin-bottom: 20px;
    background-color: rgba(15, 15, 25, 0.05);
    padding: 15px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.quiz-stats-summary {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    background-color: rgba(15, 15, 25, 0.05);
    padding: 15px;
    border-radius: 8px;
}

.quiz-charts-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.quiz-chart-card {
    background-color: var(--color--dark);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    padding: 20px;
    position: relative;
}

.quiz-chart-card h4 {
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 16px;
    color: var(--color--light);
    text-align: center;
}

.period-selector {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 15px;
}

.period-btn {
    padding: 6px 12px;
    border: 1px solid rgba(15, 15, 25, 0.1);
    background: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
    color: var(--color--light);
}

.period-btn.active {
    background-color: var(--color--light);
    color: var(--color--dark);
    border-color: var(--color--light);
}

.quiz-data-table-container {
    margin-top: 30px;
    overflow-x: auto;
}

.quiz-data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.quiz-data-table th {
    background-color: var(--color--light);
    color: var(--color--dark);
    padding: 10px;
    text-align: left;
    font-weight: normal;
}

.quiz-data-table td {
    padding: 10px;
    border-bottom: 1px solid rgba(15, 15, 25, 0.1);
}

.quiz-data-table tr:hover {
    background-color: rgba(15, 15, 25, 0.02);
}

@media (max-width: 768px) {
    .quiz-charts-container {
        grid-template-columns: 1fr;
    }
    
    .quiz-report-tool {
        grid-column: span 1;
    }
}

/* Responsive */
@media (max-width: 991px) {
    .sidebar {
        width: 70px;
    }
    
    .sidebar-header h2 {
        display: none;
    }
    
    .sidebar-header .logo {
        width: 40px;
    }
    
    .nav-links li a span {
        display: none;
    }
    
    .main-content {
        margin-left: 70px;
    }
    
    .chart-container {
        grid-template-columns: 1fr;
    }
    
    .stats-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .stats-cards {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }
    
    .actions-container {
        flex-direction: column;
        width: 100%;
    }
    
    .search-box {
        width: 100%;
    }
    
    .chart-card {
        padding: 15px;
        overflow: hidden;
    }
    
    .filter-panel form {
        flex-direction: column;
    }
    
    .filter-group {
        width: 100%;
    }
}

/* Stile per modal e carte cliccabili */
.clickable {
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.clickable:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: var(--color--dark);
    margin: 5% auto;
    padding: 0;
    width: 80%;
    max-width: 900px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    animation: modalFadeIn 0.3s;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--color-primary);
    color: #fff;
    padding: 15px 20px;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}

.modal-header h3 {
    margin: 0;
    font-size: 18px;
}

.close-modal {
    color: white;
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
}

.close-modal:hover {
    color: #f1f1f1;
}

.modal-body {
    padding: 20px;
    max-height: 70vh;
    overflow-y: auto;
}

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