:root {
    --color-primary: #007bff;
    --color-success: #28a745;
    --color-warning: #ffc107;
    --color-danger: #dc3545;
    --color-light-gray: #f8f9fa;
    --color-gray: #dee2e6;
    --color-dark-gray: #6c757d;
    --color-text: #212529;
    --border-radius: 0.25rem;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    background-color: #f4f7f9;
    color: var(--color-text);
    line-height: 1.5;
}

h1, h2, h3 {
    color: #333;
    margin-top: 1.5em;
    margin-bottom: 1em;
}
h1 { 
    font-size: 1.8rem; 
    border-bottom: 2px solid var(--color-light-gray);
    padding-bottom: 10px;
}
h2 { font-size: 1.5rem; }
h3 { font-size: 1rem; }

form {
    background-color: #fff;
    padding: 20px;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-gray);
    margin-bottom: 2rem;
}
form label {
    display: block;
    font-weight: bold;
    margin-bottom: 0.5rem;
}
input[type=text], input[type=email], textarea, select, input[type=date], input[type=file] {
    padding: 8px 12px;
    margin-bottom: 1rem;
    width: 100%;
    border: 1px solid var(--color-gray);
    border-radius: var(--border-radius);
    box-sizing: border-box;
    transition: border-color 0.2s;
}
input[type=text]:focus, input[type=email]:focus, textarea:focus, select:focus, input[type=date]:focus {
    border-color: var(--color-primary);
    outline: none;
}
table { border-collapse: collapse; width: 100%; margin-top: 10px; background-color: #fff; }
th, td { border-bottom: 1px solid var(--color-gray); padding: 12px 10px; text-align: left; vertical-align: top; }
th { background: var(--color-light-gray); font-weight: 600; }
tbody tr:nth-child(even) {
    background-color: #f9f9f9;
}
tbody tr:hover { 
    background-color: #f0f6ff; 
}

.status-todo { color: var(--color-danger); font-weight: bold; }
.status-doing { color: var(--color-warning); font-weight: bold; }
.status-done { color: var(--color-success); text-decoration: line-through; }
.small { font-size: 0.8em; color: var(--color-dark-gray); }

.filters { background-color: transparent; border: none; padding: 0; }
.filters label { display: block; margin-right: 15px; }
.filters button { margin-top: 1rem; }

.tag { 
    display: block; /* Modificato per layout verticale */
    background-color: #e9ecef; 
    color: #495057; 
    padding: 3px 8px; 
    font-size: 0.8em; 
    border-radius: 10px; 
    margin: 4px 0; /* Aggiunge spazio verticale */
    width: fit-content; /* Adatta la larghezza al contenuto */
}

.tag-item {
    display: inline-flex;
    align-items: center;
    background-color: #e9ecef;
    border-radius: 10px;
    padding: 3px 8px;
    margin: 2px;
    font-size: 0.8em;
}
.delete-form {
    display: inline;
    margin: 0;
    padding: 0;
    border: none;
    background: none;
}
.delete-btn-small {
    background: none; border: none; color: var(--color-danger); cursor: pointer; margin-left: 5px; padding: 0; font-size: 1.2em; line-height: 1;
}

button, input[type=submit] {
    background-color: var(--color-primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.2s;
}
button:hover, input[type=submit]:hover { background-color: #0056b3; }

.flash-message {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    color: var(--color-success);
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
}
.flash-message.error {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

/* Stili per il simple editor */
.simple-editor-toolbar {
    background-color: var(--color-light-gray);
    border: 1px solid var(--color-gray);
    border-bottom: none;
    padding: 5px;
    border-top-left-radius: var(--border-radius);
    border-top-right-radius: var(--border-radius);
    box-sizing: border-box;
}
.simple-editor-toolbar button {
    background: #fff;
    border: 1px solid var(--color-gray);
    color: var(--color-text);
    padding: 5px 10px;
    margin-right: 5px;
    cursor: pointer;
    font-size: 0.9rem;
}
.simple-editor-content {
    border: 1px solid var(--color-gray);
    padding: 8px 12px;
    min-height: 80px;
    background: #fff;
    box-sizing: border-box;
    border-bottom-left-radius: var(--border-radius);
    border-bottom-right-radius: var(--border-radius);
    margin-bottom: 1rem;
    resize: vertical; /* Permette il ridimensionamento verticale */
    overflow: auto;   /* Mostra le barre di scorrimento se necessario */
}
.simple-editor-content:focus {
    border-color: var(--color-primary);
    outline: none;
}
.simple-editor-content.html-view {
    font-family: "Courier New", Courier, monospace;
    font-size: 0.9em;
    color: #333;
    background-color: #fdfdfd;
}
.attachment-list a {
    display: block;
    font-size: 0.9em;
    text-decoration: none;
}
.attachment-list a:hover {
    text-decoration: underline;
}
.attachment-thumbnail {
    max-width: 60px;
    max-height: 60px;
    border-radius: var(--border-radius);
    margin: 2px;
    cursor: pointer;
    border: 1px solid var(--color-gray);
    object-fit: cover;
}
.file-preview-item {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    margin: 5px;
    padding: 5px;
    border: 1px solid var(--color-gray);
    border-radius: var(--border-radius);
    width: 100px;
    text-align: center;
}
.file-preview-item img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    margin-bottom: 5px;
}
.file-preview-item span { font-size: 0.8em; word-break: break-all; }

.sidebar-link {
    display: block;
    padding: 8px 0;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--border-radius);
    padding: 8px 12px;
    margin: 4px 0;
    transition: background-color 0.2s, color 0.2s;
}
.sidebar-link:hover {
    background-color: var(--color-primary);
    color: #fff;
}

.filter-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 1rem;
}
.reset-link {
    font-size: 0.9em;
    color: var(--color-dark-gray);
    text-decoration: none;
}

/* Stile per le sezioni della sidebar */
.sidebar-section {
    background-color: #fff;
    padding: 20px;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    border: 1px solid var(--color-gray);
}

/* Layout con Sidebar */
.app-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 2rem;
    align-items: flex-start;
    padding: 20px;
}
.sidebar {
    width: 320px;
    flex-shrink: 0;
}
.main-content {
    flex-grow: 1;
}
.sidebar h2 { font-size: 1.2rem; margin-top: 1.5rem; }

/* Responsive */
@media (max-width: 992px) {
    .app-layout {
        grid-template-columns: 1fr;
    }
    .sidebar {
        width: 100%;
    }
}

/* Stili per i filtri attivi */
.active-filters {
    margin-bottom: 1.5rem;
    padding: 15px;
    background-color: #e9ecef;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-gray);
}
.active-filter-pill {
    display: inline-block;
    background-color: var(--color-primary);
    color: #fff;
    padding: 5px 10px;
    border-radius: 15px;
    margin-right: 8px;
    text-decoration: none;
    font-size: 0.9em;
    transition: background-color 0.2s;
}
.active-filter-pill:hover {
    background-color: #0056b3;
}

/* Stili per la sezione commenti */
.comments-section {
    margin-top: 3rem;
    background-color: #fff;
    padding: 20px;
    border: 1px solid var(--color-gray);
    border-radius: var(--border-radius);
}
.comments-list {
    margin-bottom: 2rem;
}
.comment-item {
    border-bottom: 1px solid var(--color-light-gray);
    padding: 15px 0;
}
.comment-item:last-child {
    border-bottom: none;
}
.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}
.comment-body {
    line-height: 1.6;
}
.comment-item {
    position: relative; /* Necessario per posizionare le azioni */
}
.comment-edited-tag {
    font-size: 0.8em;
    color: var(--color-dark-gray);
    margin-left: 5px;
}
.comment-edit-area {
    width: 100%;
    min-height: 60px;
    box-sizing: border-box;
    margin-bottom: 0.5rem;
}
.comment-edit-actions {
    text-align: right;
}
.comment-edit-actions button.small {
    font-size: 0.8em;
    padding: 4px 8px;
}
/* Nuovo stile per le azioni sui commenti */
.comment-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--color-light-gray);
    justify-content: flex-end; /* Allinea a destra */
}
.comment-action-btn {
    background-color: transparent;
    border: 1px solid var(--color-gray);
    color: var(--color-dark-gray);
    padding: 4px 10px;
    font-size: 0.8em;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s;
}
.comment-action-btn:hover {
    background-color: var(--color-light-gray);
    border-color: var(--color-dark-gray);
}


.comment-form {
    padding: 0; border: none; background: none;
}

/* Stili per la modale */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}
.modal-overlay#image-viewer-modal {
    z-index: 1001; /* Assicura che sia sopra l'altra modale */
}
.modal-content {
    background-color: #fff;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid var(--color-gray);
}
.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
}
.modal-close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--color-dark-gray);
}
.modal-body {
    padding: 20px;
    overflow-y: auto;
}
.modal-body form {
    border: none;
    padding: 0;
    margin: 0;
}
.modal-footer {
    padding: 15px 20px;
    border-top: 1px solid var(--color-gray);
    text-align: right;
}
.main-actions {
    margin-bottom: 1.5rem;
}
.image-viewer {
    background: transparent;
    border: none;
    width: auto;
    height: auto;
    cursor: pointer; /* Indica che l'area è cliccabile */
    overflow: auto; /* Permette lo scroll se l'immagine è zoomata */
}
.image-viewer img {
    /* L'immagine si adatta allo spazio disponibile, ma non si ingrandisce oltre la sua dimensione originale */
    max-width: calc(100vw - 40px);
    max-height: calc(100vh - 40px);
    transition: transform 0.2s ease-in-out;
}
.image-viewer.is-zoomed img {
    /* Quando zoomata, rimuovi i limiti e permetti lo scroll del contenitore */
    max-width: none;
    max-height: none;
}
.task-description-preview {
    max-height: 100px;
    overflow-y: auto;
    word-break: break-word;
    font-size: 0.9em;
}
.task-meta-view p {
    margin: 0.5em 0;
    font-size: 0.9em;
}
.task-meta-view strong {
    color: var(--color-dark-gray);
}
#modal-view-content .task-description-preview img {
    max-width: 100%;
}
.task-description-preview {
    max-height: 100px; /* Limite per la tabella */
    overflow-y: auto;
}
#modal-view-content .task-description-preview {
    max-height: none; /* Rimuove il limite solo nella modale */
    overflow-y: visible;
}
.meta-count {
    font-size: 0.9em;
    color: var(--color-dark-gray);
}
.action-btn {
    display: inline-block;
    padding: 2px 5px;
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem; /* Ridotta la dimensione delle icone */
    vertical-align: middle;
    transition: transform 0.2s;
}
.action-btn:hover {
    transform: scale(1.2);
}
.action-btn.delete {
    color: var(--color-danger);
}
button.secondary {
    background-color: var(--color-dark-gray);
}
button.secondary:hover {
    background-color: #5a6268;
}
.confirm-modal {
    max-width: 450px; /* Più piccolo del modale principale */
}
.confirm-modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 1.5rem;
}
.confirm-modal-actions button {
    font-size: 0.9rem;
    padding: 8px 16px;
}

select.action-btn {
    font-size: 0.8rem; /* Adatta la dimensione del testo del select */
    padding: 4px;
}
/* Stili per le notifiche */
.notifications-container {
    position: relative;
    display: inline-block;
    margin-right: 15px;
}
.notification-icon {
    font-size: 1.5rem;
    cursor: pointer;
}
.notification-count {
    position: absolute;
    top: -5px;
    right: -10px;
    background-color: var(--color-danger);
    color: white;
    border-radius: 50%;
    padding: 2px 6px;
    font-size: 0.7rem;
    font-weight: bold;
    border: 1px solid white;
}
.notifications-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: #fff;
    border: 1px solid var(--color-gray);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    width: 350px;
    max-height: 400px;
    overflow-y: auto;
    z-index: 1100;
}
.notification-item {
    padding: 10px 15px;
    border-bottom: 1px solid var(--color-light-gray);
    font-size: 0.9em;
}
.notification-item:last-child {
    border-bottom: none;
}
.notification-item strong {
    color: var(--color-primary);
}

/* Stili per Accordion Sezioni */
.accordion-trigger {
    cursor: pointer;
    position: relative;
    padding-right: 25px; /* Spazio per la freccia */
}
.accordion-trigger::after {
    content: '▼'; /* Freccia in giù */
    position: absolute;
    right: 0;
    font-size: 0.8em;
    transition: transform 0.2s;
}
.accordion-trigger.active::after {
    transform: rotate(180deg); /* Freccia in su */
}
.accordion-panel {
    display: none;
}
.accordion-panel.active {
    display: block;
}
.new-tasks-badge {
    display: inline-block;
    background-color: var(--color-warning);
    color: #fff;
    font-size: 0.7em;
    font-weight: bold;
    padding: 3px 7px;
    border-radius: 10px;
    margin-left: 10px;
    vertical-align: middle;
    line-height: 1;
    text-shadow: 1px 1px 1px rgba(0,0,0,0.2);
    animation: pulse 2s infinite;
}

.attachment-link {
    font-size: 1.5rem;
    text-decoration: none;
}
.task-row {
    cursor: pointer;
}
.task-details-row td {
    background-color: #fdfdfd;
    border-top: 2px solid var(--color-primary);
    padding: 0;
}
.task-details-content {
    padding: 20px;
}
.task-details-content h4 {
    margin-top: 0;
    color: var(--color-primary);
}
.task-details-content .task-description-preview {
    max-height: none;
}
/* Rende le immagini nella descrizione responsive */
.task-description-preview img {
    max-width: 100%;
    height: auto;
}

/* Stili per la tabella responsive */
@media (max-width: 992px) {
    .accordion-panel table thead {
        display: none; /* Nasconde le intestazioni della tabella */
    }
    .accordion-panel table, .accordion-panel table tbody, .accordion-panel table tr, .accordion-panel table td {
        display: block;
        width: 100%;
    }
    .accordion-panel table tr {
        margin-bottom: 1rem;
        border: 1px solid var(--color-gray);
        border-radius: var(--border-radius);
    }
    .accordion-panel table td {
        /* Layout a card: etichetta sopra, contenuto sotto */
        text-align: left;
        padding: 12px 15px;
        position: relative;
        border-bottom: 1px solid var(--color-light-gray);
    }
    .accordion-panel table tr td:last-child {
        border-bottom: none; /* Rimuove il bordo dall'ultima cella della card */
    }
    .accordion-panel table td::before {
        content: attr(data-label); /* Usa l'attributo data-label come etichetta */
        font-weight: bold;
        margin-bottom: 5px;
        color: var(--color-text); /* Aumenta il contrasto */
        font-size: 0.9em;         /* Aumenta la dimensione */
        text-transform: uppercase;
    }
    .accordion-panel .task-details-row td, .accordion-panel .task-details-row td::before {
        display: none; /* Nasconde l'accordion per riga su mobile per semplicità */
    }
    /* Stili specifici per le celle in modalità card */
    .accordion-panel table td[data-label="Azioni"],
    .accordion-panel table td[data-label="Etichette"] {
        /* Layout specifico per contenuti multipli */
        display: block;
    }
    .accordion-panel table td[data-label="Azioni"] > *,
    .accordion-panel table td[data-label="Etichette"] > * {
        margin-top: 5px;
    }
.accordion-panel table thead {
    display: none; /* Nasconde le intestazioni della tabella */
}
.accordion-panel table, .accordion-panel table tbody, .accordion-panel table tr, .accordion-panel table td {
    display: block;
    width: 100%;
}
.accordion-panel table tr {
    margin-bottom: 1rem;
    border: 1px solid var(--color-gray);
    border-radius: var(--border-radius);
    background-color: #fff;
}
.accordion-panel table td {
    /* Nuovo layout a griglia per un allineamento perfetto */
    display: grid;
    grid-template-columns: 120px 1fr; /* Colonna etichetta fissa, contenuto flessibile */
    gap: 10px;
    align-items: center;
    padding: 12px 15px;
    border-bottom: 1px solid var(--color-light-gray);
    text-align: left; /* Allinea il contenuto a sinistra */
}
.accordion-panel table tr td:last-child {
    border-bottom: none; /* Rimuove il bordo dall'ultima cella della card */
}
.accordion-panel table td::before {
    content: attr(data-label); /* Usa l'attributo data-label come etichetta */
    font-weight: bold;
    text-align: left;
    color: var(--color-dark-gray);
}
.accordion-panel .task-details-row td, .accordion-panel .task-details-row td::before {
    display: none; /* Nasconde l'accordion per riga su mobile per semplicità */
}
/* Layout speciale per Titolo, Etichette e Azioni */
.accordion-panel table td[data-label="Titolo"],
.accordion-panel table td[data-label="Azioni"],
.accordion-panel table td[data-label="Etichette"] {
    display: block; /* Tornano a un layout a blocco per contenuti complessi */
    text-align: left;
}
}

footer {
    text-align: center;
    padding: 2rem;
    margin-top: 2rem;
    background-color: #e9ecef;
    color: var(--color-dark-gray);
    font-size: 0.9em;
}
footer a {
    color: var(--color-primary);
    text-decoration: none;
}
footer a:hover {
    text-decoration: underline;
}
/* Stili per le checklist interattive nella descrizione */
.task-description-preview ul,
.simple-editor-content ul {
    list-style-type: none;
    padding-left: 5px;
}

.task-description-preview ul > li,
.simple-editor-content ul > li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: color 0.2s;
}

.task-description-preview ul > li::before,
.simple-editor-content ul > li::before {
    content: '☐'; /* Checkbox vuota */
    position: absolute;
    left: 0;
    top: 0;
    font-size: 1.2em;
    line-height: 1;
    color: var(--color-primary);
}

.task-description-preview ul > li.checked,
.simple-editor-content ul > li.checked {
    text-decoration: line-through;
    color: #888;
}

.task-description-preview ul > li.checked::before,
.simple-editor-content ul > li.checked::before {
    content: '☑'; /* Checkbox piena */
    color: #27ae60;
}

/* Stili per indicatore utente online */
.online-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    background-color: #2ecc71; /* Verde brillante */
    border-radius: 50%;
    margin-left: 8px;
    border: 1px solid #fff;
    box-shadow: 0 0 3px #2ecc71;
    vertical-align: middle;
}
.offline-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    background-color: #e74c3c; /* Rosso */
    border-radius: 50%;
    margin-left: 8px;
    border: 1px solid #fff;
    box-shadow: 0 0 3px #e74c3c;
    vertical-align: middle;
}
.form-warning {
    color: var(--color-danger);
    font-size: 0.9em;
    margin-top: -0.5rem;
    margin-bottom: 1rem;
    padding: 5px 0;
}

/* Stili per il menu a tendina delle etichette */
.tags-dropdown {
    position: absolute;
    background-color: #fff;
    border: 1px solid var(--color-gray);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 1050;
    max-height: 250px;
    overflow-y: auto;
    padding: 5px 0; /* Aggiunge un po' di spazio interno */
    min-width: 200px;
}
.tags-dropdown-list ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}
.tags-dropdown-list label {
    display: block;
    padding: 8px 12px;
    cursor: pointer;
    white-space: nowrap;
}
.tags-dropdown-list label:hover {
    background-color: var(--color-light-gray);
}
.tags-dropdown-list input[type="checkbox"] {
    margin-right: 8px;
    width: auto; /* Sovrascrive lo stile generale */
    margin-bottom: 0;
}

/* Stile per nascondere le attività completate */
body.hide-completed .task-row.status-done {
    display: none;
}
body.hide-completed .task-row.status-done + .task-details-row {
    display: none; /* Nasconde anche la riga dei dettagli associata */
}

/* Stili per la pagina di gestione utenti */
.user-management-container table td {
    vertical-align: middle;
}

.user-info-cell {
    display: flex;
    align-items: center;
    gap: 10px;
}