:root {
    --bg: #F5F6F8;
    --surface: #FFFFFF;
    --surface-alt: #EEF0F3;
    --text: #1B2430;
    --text-muted: #5B6472;
    --border: #DCE1E7;

    /* palette navbar scura (originale) — tenuta qui per poterla riattivare in futuro */
    --nav-bg-scuro: #1B2430;
    --nav-bg-alt-scuro: #262F3D;
    --nav-text-scuro: #C7CCD4;
    --nav-text-strong-scuro: #F5F6F8;

    /* palette navbar attiva: verde acqua chiaro */
    --nav-bg: #B9E4D9;
    --nav-bg-alt: #9ED2C4;
    --nav-text: #3E5C55;
    --nav-text-strong: #163830;

    --accent: #A6540E;
    --accent-hover: #8A450B;

    --success: #2F7D4F;
    --success-bg: #E7F3EC;
    --danger: #B3261E;
    --danger-bg: #FBEAE9;
    --info-border: #C3D4E3;
    --info-bg: #EAF1F8;

    --radius: 4px;
    --font-display: Bahnschrift, "SF Compact Text", "Segoe UI Semibold", system-ui, sans-serif;
    --font-body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* {
    box-sizing: border-box;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

body {
    margin: 0;
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.5;
}

a {
    color: var(--accent);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

h1, h2, h3 {
    font-family: var(--font-display);
    text-wrap: balance;
    margin: 0 0 12px;
}

code {
    font-family: var(--font-mono);
    background-color: #dbeafe;
    padding: 2px 6px;
    border-radius: 4px;
}

code[data-copia] {
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}

code[data-copia]:hover {
    background-color: #c3ddfb;
}

code[data-copia].copiato {
    background-color: var(--success-bg);
    color: var(--success);
}

.tabular {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
}

/* --- nav / drawer mobile --- */
input.toggle-menu[type="checkbox"] {
    display: none !important;
}

header.nav {
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 0 20px;
    min-height: 52px;
    background-color: var(--nav-bg);
    flex-wrap: wrap;
}

header.nav .nav-titolo {
    display: flex;
    align-items: center;
    gap: 9px;
    font-family: var(--font-display);
    color: var(--nav-text-strong);
    font-weight: 600;
    letter-spacing: 0.02em;
    font-size: 15px;
}

header.nav .nav-titolo .spia {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: var(--success);
    box-shadow: 0 0 0 3px rgba(47, 125, 79, 0.25);
    animation: lampeggio-spia 1.6s ease-in-out infinite;
}

@keyframes lampeggio-spia {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.35;
    }
}

.pannello-menu {
    display: contents;
}

.sfondo-menu {
    display: none;
}

.chiudi-menu {
    display: none;
}

header.nav nav {
    flex: 1;
    display: flex;
    gap: 4px;
}

header.nav nav a {
    display: flex;
    align-items: center;
    gap: 7px;
    color: var(--nav-text);
    text-decoration: none;
    font-family: var(--font-display);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 8px 12px;
    border-radius: var(--radius);
}

header.nav nav a.attivo,
header.nav nav a:hover {
    color: var(--nav-text-strong);
    background-color: var(--nav-bg-alt);
}

header.nav .nav-utente {
    display: flex;
    align-items: center;
    gap: 10px;
}

.utente-etichetta {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 16px;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background-color: var(--nav-bg-alt);
    color: var(--nav-text-strong);
    border-radius: var(--radius);
    text-decoration: none;
}

.btn-pericolo {
    background-color: var(--danger);
    color: #ffffff;
}

.btn-pericolo:hover {
    background-color: #942019;
}

.bottone-hamburger {
    display: none;
    margin-left: auto;
    background: none;
    border: none;
    color: var(--nav-text-strong);
    padding: 10px;
    cursor: pointer;
    font-size: 18px;
}

@media (max-width: 640px) {
    .bottone-hamburger {
        display: inline-flex;
    }

    .pannello-menu {
        display: flex;
        flex-direction: column;
        position: fixed;
        inset: 0 0 0 auto;
        width: 72%;
        max-width: 280px;
        background-color: var(--nav-bg);
        padding: 56px 20px 20px;
        transform: translateX(100%);
        transition: transform 0.22s ease;
        z-index: 50;
    }

    .toggle-menu:checked ~ .pannello-menu {
        transform: translateX(0);
    }

    .sfondo-menu {
        display: block;
        position: fixed;
        inset: 0;
        background-color: rgba(10, 14, 20, 0.45);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.22s ease;
        z-index: 40;
    }

    .toggle-menu:checked ~ .sfondo-menu {
        opacity: 1;
        pointer-events: auto;
    }

    .chiudi-menu {
        display: inline-flex;
        position: absolute;
        top: 14px;
        right: 14px;
        color: var(--nav-text-strong);
        cursor: pointer;
        font-size: 16px;
    }

    .pannello-menu nav {
        flex-direction: column;
        gap: 2px;
    }

    .pannello-menu .nav-utente {
        margin-top: auto;
        padding-top: 16px;
        border-top: 1px solid var(--nav-bg-alt);
    }

    .contenuto {
        padding: 18px;
    }

    main {
        padding: 18px;
    }

    form {
        max-width: none !important;
    }

    .azioni-barra .btn {
        width: 100%;
        justify-content: center;
    }
}

/* --- layout generale --- */
.contenuto {
    max-width: 1280px;
    margin: 20px auto;
    padding: 0 18px;
}

main {
    max-width: 480px;
    margin: 80px auto;
    padding: 18px;
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 1px 2px rgba(27, 36, 48, 0.06);
}

.contenuto main {
    max-width: none;
    margin: 0 0 14px 0;
}

.due-colonne,
.due-colonne-principale {
    display: grid;
    gap: 14px;
    align-items: start;
}

.due-colonne {
    grid-template-columns: minmax(300px, 420px) 1fr;
}

.due-colonne-principale {
    grid-template-columns: 2fr 1fr;
}

.due-colonne main,
.due-colonne-principale main {
    margin: 0;
}

.colonna main + main {
    margin-top: 14px;
}

@media (max-width: 860px) {
    .due-colonne,
    .due-colonne-principale {
        grid-template-columns: 1fr;
    }
}

/* --- card: intestazione a barra piena + corpo + riga filtri --- */
.scheda-intestazione {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin: -18px -18px 14px -18px;
    padding: 10px 18px;
    background-color: var(--surface-alt);
    border-bottom: 1px solid var(--border);
    border-radius: var(--radius) var(--radius) 0 0;
}

.scheda-intestazione h1,
.scheda-intestazione h2 {
    margin: 0;
    font-size: 17px;
    line-height: 24px;
}

.scheda-intestazione .btn {
    flex: none;
}

.riga-filtri {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin: -14px -18px 14px -18px;
    padding: 10px 18px;
    border-bottom: 1px solid var(--border);
}

@media (max-width: 640px) {
    .scheda-intestazione {
        margin: -18px -18px 16px -18px;
        padding: 12px 18px;
    }

    .riga-filtri {
        margin: -16px -18px 16px -18px;
        padding: 12px 18px;
    }
}

.login-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 6px;
    font-family: var(--font-display);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.login-logo i {
    color: var(--accent);
}

.login-form .btn-invia {
    width: 100%;
    justify-content: center;
}

/* --- form --- */
form {
    display: flex;
    flex-direction: column;
}

.riga-campi {
    display: flex;
    flex-wrap: wrap;
    margin-top: 10px;
    gap: 8px 12px;
}

.riga-campi label {
    margin-top: 0;
}

.riga-campi > div {
    display: flex;
    flex-direction: column;
    flex: 1 1 200px;
}

.riga-campi .colonna-centrata {
    flex: 0 0 auto;
    justify-content: center;
}

.sottoscheda {
    margin-top: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.sottoscheda-intestazione {
    padding: 8px 14px;
    background-color: var(--surface-alt);
    border-bottom: 1px solid var(--border);
}

.sottoscheda-intestazione h3 {
    margin: 0;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.sottoscheda-corpo {
    display: flex;
    flex-direction: column;
    padding: 12px;
}

.sottoscheda-corpo label:first-child {
    margin-top: 0;
}

label {
    display: block;
    margin-top: 10px;
    margin-bottom: 4px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    font-weight: 600;
}

input[type="email"],
input[type="password"],
input[type="text"],
input[type="number"],
input[type="date"],
input[type="time"],
select {
    width: 100%;
    padding: 7px 10px;
    font-size: 16px;
    font-family: var(--font-body);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background-color: var(--surface);
    color: var(--text);
}

select {
    appearance: none;
    -webkit-appearance: none;
    padding-right: 34px;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235B6472' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 14px 14px;
}

input[type="date"],
input[type="time"] {
    appearance: none;
    -webkit-appearance: none;
    min-height: 39px;
    font-variant-numeric: tabular-nums;
}

input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator {
    filter: opacity(0.6);
    cursor: pointer;
}

.nascosto {
    display: none;
}

input[type="file"] {
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--text-muted);
}

input[type="file"]::file-selector-button {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 14px;
    margin-right: 10px;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background-color: var(--accent);
    color: #ffffff;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
}

input[type="file"]::file-selector-button:hover {
    background-color: var(--accent-hover);
}

input[type="email"]:focus,
input[type="password"]:focus,
input[type="text"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
input[type="time"]:focus,
select:focus {
    border-color: var(--accent);
}

/* --- checkbox personalizzate --- */
input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    flex: none;
    margin: 0;
    border: 1.5px solid var(--border);
    border-radius: 5px;
    background-color: var(--surface);
    display: inline-grid;
    place-content: center;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

input[type="checkbox"]::before {
    content: "";
    width: 10px;
    height: 10px;
    background-color: #fff;
    clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
    transform: scale(0);
    transition: transform 0.12s ease-in-out;
}

input[type="checkbox"]:checked {
    background-color: var(--accent);
    border-color: var(--accent);
}

input[type="checkbox"]:checked::before {
    transform: scale(1);
}

input[type="checkbox"]:hover {
    border-color: var(--accent);
}

.interruttore {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 2px;
    cursor: pointer;
}

.interruttore input[type="checkbox"] {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: 0;
    padding: 0;
    border: 0;
    opacity: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
}

.interruttore-traccia {
    position: relative;
    flex: none;
    width: 42px;
    height: 24px;
    background-color: var(--border);
    border-radius: 999px;
    transition: background-color 0.15s ease;
}

.interruttore-traccia::before {
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background-color: #ffffff;
    border-radius: 50%;
    box-shadow: 0 1px 2px rgba(27, 36, 48, 0.3);
    transition: transform 0.15s ease;
}

.interruttore input[type="checkbox"]:checked + .interruttore-traccia {
    background-color: var(--accent);
}

.interruttore input[type="checkbox"]:checked + .interruttore-traccia::before {
    transform: translateX(18px);
}

.interruttore input[type="checkbox"]:focus-visible + .interruttore-traccia {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.interruttore-etichetta {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    line-height: 1;
}

.ricordami {
    flex-direction: row;
    align-items: center;
    display: flex;
    gap: 10px;
    margin-top: 10px;
    padding: 5px 8px;
    margin-left: -8px;
    border-radius: var(--radius);
    font-size: 14px;
    text-transform: none;
    letter-spacing: normal;
    color: var(--text);
    font-weight: 400;
    cursor: pointer;
}

.ricordami:hover {
    background-color: var(--surface-alt);
}

.griglia-permessi {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2px 16px;
    margin: 4px -8px 14px;
}

/* --- bottoni --- */
button {
    font-family: inherit;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 14px;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background-color: var(--accent);
    color: #ffffff;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    text-decoration: none;
}

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

.btn-invia {
    margin-top: 16px;
}

.btn-secondario {
    background-color: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondario:hover {
    background-color: var(--surface-alt);
}

.filtro-inline {
    flex-direction: row;
    align-items: center;
    gap: 10px;
    margin: 0;
}

.filtro-inline label {
    margin: 0;
    white-space: nowrap;
}

.filtro-inline select {
    width: auto;
    min-width: 220px;
}

.combobox {
    position: relative;
}

.combobox input[type="text"] {
    min-width: 220px;
    padding-right: 54px;
}

.combobox-azioni {
    position: absolute;
    top: 50%;
    right: 6px;
    transform: translateY(-50%);
    display: flex;
    gap: 2px;
}

.combobox-pulisci,
.combobox-cancella-testo {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px 6px;
    font-size: 13px;
}

.combobox-pulisci:hover,
.combobox-cancella-testo:hover {
    color: var(--text);
}

.combobox-lista {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    z-index: 20;
    margin: 0;
    padding: 4px;
    list-style: none;
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 4px 12px rgba(27, 36, 48, 0.12);
    max-height: 240px;
    overflow-y: auto;
}

.combobox-lista li {
    padding: 8px 10px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 14px;
}

.combobox-lista li:hover {
    background-color: var(--surface-alt);
}

.azioni-utente {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.azioni-utente form {
    margin: 0;
}

/* --- tabelle --- */
.tabella-scroll {
    overflow-x: auto;
}

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

th, td {
    text-align: left;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

td small {
    color: var(--text-muted);
}

.ivr-annidamento {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.ivr-annidamento i {
    color: var(--text-muted);
    font-size: 12px;
}

.ivr-annidamento-1 {
    padding-left: 20px;
}

.ivr-annidamento-2 {
    padding-left: 40px;
}

.ivr-annidamento-3 {
    padding-left: 60px;
}

.ivr-annidamento-4 {
    padding-left: 80px;
}

/* --- diagramma PBX (albero CSS puro, nessuna libreria/JS) --- */
.pbx-diagramma-scroll {
    overflow-x: auto;
    padding: 16px 4px;
}

.pbx-albero {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    justify-content: flex-start;
}

.pbx-albero ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding-top: 40px;
    justify-content: center;
    position: relative;
}

.pbx-albero ul::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 0;
    height: 16px;
    border-left: 2px solid var(--border);
}

.pbx-albero li {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    padding: 0 14px;
}

.pbx-albero li::before,
.pbx-albero li::after {
    content: '';
    position: absolute;
    top: -24px;
    width: 50%;
    height: 24px;
    border-top: 2px solid var(--border);
}

.pbx-albero li::before {
    right: 50%;
    border-right: 2px solid var(--border);
}

.pbx-albero li::after {
    left: 50%;
    border-left: 2px solid var(--border);
}

.pbx-albero > li::before,
.pbx-albero > li::after {
    display: none;
}

.pbx-albero li:first-child::before,
.pbx-albero li:last-child::after {
    border: 0 none;
}

.pbx-albero li:last-child::before {
    border-right: 2px solid var(--border);
    border-radius: 0 6px 0 0;
}

.pbx-albero li:first-child::after {
    border-left: 2px solid var(--border);
    border-radius: 6px 0 0 0;
}

.pbx-albero li:only-child::before,
.pbx-albero li:only-child::after {
    border-top: 0 none;
}

.pbx-scheda {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    min-width: 200px;
    max-width: 260px;
    box-shadow: 0 1px 2px rgba(27, 36, 48, 0.06);
    overflow: hidden;
}

.pbx-etichetta-ramo {
    background-color: var(--surface-alt);
    border-bottom: 1px solid var(--border);
    padding: 4px 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
}

.pbx-scheda-titolo {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 13px;
}

.pbx-scheda-titolo i {
    color: var(--accent);
    font-size: 13px;
}

.pbx-scheda-sottotitolo {
    padding: 0 12px 10px;
    margin-top: -6px;
    font-size: 12px;
    color: var(--text-muted);
}

.pbx-nodo-terminale .pbx-scheda {
    background-color: var(--surface-alt);
    border-style: dashed;
}

.pbx-nodo-terminale .pbx-scheda-titolo i {
    color: var(--text-muted);
}

.pbx-nodo-successo .pbx-scheda {
    border-color: var(--success);
}

.pbx-nodo-successo .pbx-scheda-titolo i {
    color: var(--success);
}

.pbx-nodo-trunk-did .pbx-scheda {
    border-width: 2px;
    border-color: var(--accent);
}

th {
    font-family: var(--font-display);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    font-weight: 600;
}

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

/* --- card compatte (es. utenti collegati) --- */
.lista-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.card-riga {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background-color: var(--surface);
    flex-wrap: wrap;
}

.card-riga-info {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 160px;
}

.card-riga-info strong {
    font-size: 14px;
}

.card-riga-info span {
    font-size: 13px;
    color: var(--text-muted);
}

/* --- stato (pill) --- */
.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
    padding: 3px 10px 3px 8px;
    border-radius: 999px;
}

.pill::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.pill-attivo {
    background-color: var(--success-bg);
    color: var(--success);
}

.pill-attivo::before {
    background-color: var(--success);
}

.pill-disattivato {
    background-color: var(--danger-bg);
    color: var(--danger);
}

.pill-disattivato::before {
    background-color: var(--danger);
}

/* --- messaggi --- */
.riquadro-info {
    background-color: var(--info-bg);
    border: 1px solid var(--info-border);
    border-radius: var(--radius);
    padding: 9px 14px;
    font-size: 14px;
    margin-bottom: 12px;
}

p.errore {
    background-color: var(--danger-bg);
    color: var(--danger);
    padding: 8px 12px;
    border-radius: var(--radius);
    font-size: 14px;
}