/* ============================================================================
   SicurBox - foglio di stile comune (server 1.2)
   Colori e stati in un solo punto: le pagine usano le variabili --sb-*.
   Le regole di ogni pagina (blocco extra_css) vengono dopo e restano prioritarie.
   ============================================================================ */

/* ---------- Font (IBM Plex, licenza SIL OFL 1.1, ospitati sul server) ---------- */
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap;
             src: url("/static/fonts/IBMPlexSans-Regular-Latin1.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 500; font-display: swap;
             src: url("/static/fonts/IBMPlexSans-Medium-Latin1.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 600; font-display: swap;
             src: url("/static/fonts/IBMPlexSans-SemiBold-Latin1.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 700; font-display: swap;
             src: url("/static/fonts/IBMPlexSans-Bold-Latin1.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap;
             src: url("/static/fonts/IBMPlexMono-Regular-Latin1.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500 600; font-display: swap;
             src: url("/static/fonts/IBMPlexMono-Medium-Latin1.woff2") format("woff2"); }

/* ---------- Variabili ---------- */
:root {
    --sb-font: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
    --sb-mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

    --sb-night: #14293A;        /* testata, pulsanti principali */
    --sb-night-2: #1E3A50;
    --sb-ink: #15212B;          /* testo */
    --sb-muted: #4D5A65;        /* note, etichette (7:1 su bianco) */
    --sb-line: #DCE3E8;
    --sb-line-strong: #C3CDD6;
    --sb-bg: #F2F5F7;
    --sb-surface: #FFFFFF;
    --sb-surface-2: #F7F9FA;
    --sb-accent: #1D5FA8;       /* link, livelli, relè attivi */
    --sb-accent-hover: #12437A;
    --sb-focus: #1D5FA8;

    /* Stati: testo / fondo / bordo */
    --sb-ok: #17643C;       --sb-ok-bg: #E3F3E9;       --sb-ok-line: #B9DEC7;
    --sb-warn: #8A4A06;     --sb-warn-bg: #FDF0DB;     --sb-warn-line: #F1CF97;   --sb-warn-fill: #D98A1E;
    --sb-alarm: #A3201A;    --sb-alarm-bg: #FCE5E3;    --sb-alarm-line: #F2B8B2;  --sb-alarm-fill: #C0342B;
    --sb-off: #3E4A54;      --sb-off-bg: #EEF1F4;      --sb-off-line: #C9D3DB;
    --sb-offline: #5B3E8E;  --sb-offline-bg: #EFE9F8;  --sb-offline-line: #D3C4EC;
    --sb-test: #1D5FA8;     --sb-test-bg: #E4EEFA;     --sb-test-line: #B7D0EE;

    /* Icone di stato (maschere SVG) */
    --sb-i-ok: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E");
    --sb-i-warn: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3.5 2.5 20h19L12 3.5Z'/%3E%3Cpath d='M12 10v4.5'/%3E%3Cpath d='M12 17.3h.01'/%3E%3C/svg%3E");
    --sb-i-alarm: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M8.2 3h7.6L21 8.2v7.6L15.8 21H8.2L3 15.8V8.2L8.2 3Z'/%3E%3Cpath d='M9.5 9.5l5 5M14.5 9.5l-5 5'/%3E%3C/svg%3E");
    --sb-i-off: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='8.5'/%3E%3Cpath d='M8 12h8'/%3E%3C/svg%3E");
    --sb-i-offline: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 3l18 18'/%3E%3Cpath d='M8.5 16.5a5 5 0 0 1 7 0'/%3E%3Cpath d='M5 12.6a10 10 0 0 1 4-2.4'/%3E%3Cpath d='M19 12.6a10 10 0 0 0-2.6-1.9'/%3E%3Cpath d='M12 20h.01'/%3E%3C/svg%3E");
    --sb-i-test: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 3h6'/%3E%3Cpath d='M10 3v6L4.5 19a1.3 1.3 0 0 0 1.2 2h12.6a1.3 1.3 0 0 0 1.2-2L14 9V3'/%3E%3Cpath d='M7 15h10'/%3E%3C/svg%3E");

    --sb-radius: 10px;
    --sb-radius-sm: 6px;
}

/* ---------- Base ---------- */
html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    background: var(--sb-bg);
    color: var(--sb-ink);
    font-family: var(--sb-font);
    font-size: 15px;
    line-height: 1.45;
}

h1, h2, h3, h4 { line-height: 1.2; color: var(--sb-ink); }
h1 { font-size: 26px; font-weight: 600; letter-spacing: -0.2px; }
h2 { font-size: 19px; font-weight: 600; }
h3 { font-size: 16px; font-weight: 600; }

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

input, select, textarea, button { font: inherit; }

input:not([type="checkbox"]):not([type="radio"]):not([type="submit"]):not([type="button"]),
select,
textarea {
    border: 1px solid var(--sb-line-strong);
    border-radius: var(--sb-radius-sm);
    background: var(--sb-surface);
    color: var(--sb-ink);
}

:focus-visible { outline: 3px solid var(--sb-focus); outline-offset: 2px; }

.mono, code, kbd { font-family: var(--sb-mono); }
.num { font-family: var(--sb-mono); font-variant-numeric: tabular-nums; }

/* ---------- Testata ---------- */
.sb-header {
    background: var(--sb-night);
    color: #FFFFFF;
}

.sb-header-inner {
    max-width: 1400px;
    margin: 0 auto;
    box-sizing: border-box;
    padding: 10px 24px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 28px;
}

.sb-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 44px;
    color: #FFFFFF;
    text-decoration: none;
}
.sb-brand:hover { color: #FFFFFF; }
.sb-brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.sb-brand-name { font-weight: 700; font-size: 18px; letter-spacing: .2px; }
.sb-brand-sub { font-size: 11px; color: #B9C7D3; letter-spacing: .6px; text-transform: uppercase; }

.sb-nav {
    flex: 1 1 520px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px 24px;
}

.sb-nav-group { display: flex; flex-wrap: wrap; align-items: center; gap: 2px; }

.sb-nav-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .8px;
    color: #93A6B6;
    margin-right: 6px;
}

.sb-nav a,
.sb-nav summary {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 0 11px;
    border-radius: var(--sb-radius-sm);
    color: #D6E0E8;
    text-decoration: none;
    font-size: 14px;
    white-space: nowrap;
}
.sb-nav a:hover,
.sb-nav summary:hover { background: rgba(255,255,255,.10); color: #FFFFFF; }
.sb-nav a[aria-current="page"] { background: rgba(255,255,255,.14); color: #FFFFFF; font-weight: 600; }

.sb-header-right { display: flex; align-items: center; gap: 10px; margin-left: auto; }

.sb-clock {
    font-family: var(--sb-mono);
    font-variant-numeric: tabular-nums;
    font-size: 13px;
    color: #B9C7D3;
    white-space: nowrap;
}

.sb-logout {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 0 12px;
    border-radius: var(--sb-radius-sm);
    border: 1px solid rgba(255,255,255,.28);
    color: #FFFFFF;
    text-decoration: none;
    font-size: 14px;
}
.sb-logout:hover { background: rgba(255,255,255,.10); color: #FFFFFF; }

/* Menu Info a tendina */
.top-info-menu { position: relative; }
.top-info-menu summary { cursor: pointer; list-style: none; }
.top-info-menu summary::-webkit-details-marker { display: none; }
.top-info-menu summary::after { content: ""; width: 7px; height: 7px; margin-left: 7px; margin-top: -3px;
    border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg); }
.top-info-menu[open] summary::after { transform: rotate(-135deg); margin-top: 3px; }

.top-info-dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    z-index: 1000;
    min-width: 230px;
    padding: 6px;
    background: var(--sb-surface);
    border: 1px solid var(--sb-line);
    border-radius: 8px;
    box-shadow: 0 10px 28px rgba(20, 41, 58, .18);
}
.sb-nav .top-info-dropdown a,
.top-info-version {
    display: flex;
    box-sizing: border-box;
    width: 100%;
    padding: 10px 12px;
    border-radius: var(--sb-radius-sm);
    white-space: nowrap;
}
.sb-nav .top-info-dropdown a { color: var(--sb-ink); }
.sb-nav .top-info-dropdown a:hover { background: var(--sb-bg); color: var(--sb-ink); }
.top-info-version {
    margin-bottom: 4px;
    border-bottom: 1px solid var(--sb-line);
    border-radius: 0;
    color: var(--sb-muted);
    font-size: 12px;
    font-family: var(--sb-mono);
}

/* ---------- Contenuto ---------- */
main {
    flex: 1;
    width: 100%;
    max-width: 1400px;
    box-sizing: border-box;
    margin: 0 auto;
    padding: 22px 24px 40px;
}

.sb-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 36px;
    margin-bottom: 8px;
    color: var(--sb-muted);
    text-decoration: none;
    font-size: 14px;
}
.sb-back:hover { color: var(--sb-accent); }

.card {
    background: var(--sb-surface);
    border: 1px solid var(--sb-line);
    border-radius: var(--sb-radius);
    padding: 20px;
    margin-bottom: 18px;
}

/* ---------- Pulsanti ---------- */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    box-sizing: border-box;
    min-height: 40px;
    padding: 8px 16px;
    border-radius: var(--sb-radius-sm);
    border: 1px solid var(--sb-night);
    background: var(--sb-night);
    color: #FFFFFF;
    font-weight: 600;
    font-size: 14px;
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
}
.button:hover { background: var(--sb-night-2); border-color: var(--sb-night-2); color: #FFFFFF; }
.button:disabled, .button[aria-disabled="true"] { opacity: .5; cursor: not-allowed; }

.button.secondary, .button.active-period {
    background: var(--sb-surface); color: var(--sb-ink); border-color: var(--sb-line-strong); font-weight: 500;
}
.button.secondary:hover { background: var(--sb-bg); color: var(--sb-ink); }
.button.active-period { background: var(--sb-night); color: #FFFFFF; border-color: var(--sb-night); font-weight: 600; }

.button.danger { background: var(--sb-alarm); border-color: var(--sb-alarm); color: #FFFFFF; }
.button.danger:hover { background: #861A15; border-color: #861A15; }
.button.warning { background: var(--sb-warn); border-color: var(--sb-warn); color: #FFFFFF; }
.button.warning:hover { background: #6F3B05; border-color: #6F3B05; }
.button.success { background: var(--sb-ok); border-color: var(--sb-ok); color: #FFFFFF; }
.button.success:hover { background: #0F4E2E; border-color: #0F4E2E; }

/* ---------- Tabelle ---------- */
table {
    width: 100%;
    max-width: 100%;
    border-collapse: collapse;
    background: var(--sb-surface);
}
th, td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--sb-line);
    text-align: left;
    vertical-align: middle;
}
th {
    background: var(--sb-surface-2);
    color: var(--sb-muted);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .5px;
    text-transform: uppercase;
}
tbody tr:hover td { background: #FAFBFC; }

/* ---------- Badge di stato: sempre icona + testo ---------- */
.sb-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .3px;
    text-transform: uppercase;
    white-space: nowrap;
    line-height: 1.4;
}
.sb-badge::before {
    content: "";
    flex: none;
    width: 13px;
    height: 13px;
    background: currentColor;
    -webkit-mask: var(--sb-icon) center / contain no-repeat;
            mask: var(--sb-icon) center / contain no-repeat;
}
.sb-badge.is-plain { text-transform: none; letter-spacing: 0; }

.sb-ok      { color: var(--sb-ok);      background: var(--sb-ok-bg);      border-color: var(--sb-ok-line);
              --sb-icon: var(--sb-i-ok); }
.sb-warn    { color: var(--sb-warn);    background: var(--sb-warn-bg);    border-color: var(--sb-warn-line);
              --sb-icon: var(--sb-i-warn); }
.sb-alarm   { color: var(--sb-alarm);   background: var(--sb-alarm-bg);   border-color: var(--sb-alarm-line);
              --sb-icon: var(--sb-i-alarm); }
.sb-off     { color: var(--sb-off);     background: var(--sb-off-bg);     border-color: var(--sb-off-line);
              --sb-icon: var(--sb-i-off); }
.sb-offline { color: var(--sb-offline); background: var(--sb-offline-bg); border-color: var(--sb-offline-line);
              --sb-icon: var(--sb-i-offline); }
.sb-test    { color: var(--sb-test);    background: var(--sb-test-bg);    border-color: var(--sb-test-line);
              --sb-icon: var(--sb-i-test); }

/* Avviso a tutta larghezza (stesse classi di stato) */
.sb-notice {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    margin-bottom: 16px;
    border-radius: 8px;
    border: 1px solid transparent;
    font-size: 14px;
}
.sb-notice::before {
    content: "";
    flex: none;
    width: 18px;
    height: 18px;
    margin-top: 1px;
    background: currentColor;
    -webkit-mask: var(--sb-icon) center / contain no-repeat;
            mask: var(--sb-icon) center / contain no-repeat;
}

/* ---------- Barra di livello con soglia ---------- */
.sb-level { position: relative; height: 10px; border-radius: 5px; background: #E3E9EE; }
.sb-level > .sb-level-fill { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 5px; background: var(--sb-accent); }
.sb-level > .sb-level-mark { position: absolute; top: -3px; bottom: -3px; width: 2px; background: var(--sb-ink); opacity: .55; }
.sb-level.is-warn > .sb-level-fill { background: var(--sb-warn-fill); }
.sb-level.is-alarm > .sb-level-fill { background: var(--sb-alarm-fill); }

/* ---------- Piede ---------- */
footer.sb-footer {
    text-align: center;
    padding: 18px;
    color: var(--sb-muted);
    font-size: 13px;
}
footer.sb-footer a { color: var(--sb-accent); text-decoration: none; font-weight: 600; }
footer.sb-footer a:hover { text-decoration: underline; }

/* ---------- Stato connessione (PWA) ---------- */
.connection-status {
    display: none;
    position: sticky;
    top: 0;
    z-index: 10000;
    width: 100%;
    box-sizing: border-box;
    padding: 10px 16px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
}
.connection-status.is-offline { display: block; background: var(--sb-alarm); color: #FFFFFF; }
.connection-status.is-online { display: block; background: var(--sb-ok-bg); color: var(--sb-ok); }
body.is-offline .button,
body.is-offline button[type="submit"] { opacity: .55; }

/* ---------- Telefono ---------- */
@media (max-width: 900px) {
    .sb-header-inner { padding: 8px 14px; gap: 4px 12px; }
    .sb-nav { order: 3; flex-basis: 100%; gap: 2px 14px; padding-bottom: 4px; }
    .sb-header-right { margin-left: auto; }
}

@media (max-width: 760px) {
    main { padding: 14px 14px 32px; }
    .card { padding: 15px; margin-bottom: 14px; border-radius: 8px; }
    .button { min-height: 44px; }
    h1 { font-size: 22px; }
    h2 { font-size: 18px; }
    footer.sb-footer { padding: 14px; font-size: 12px; }
    .connection-status { padding: 9px 12px; font-size: 13px; }

    .sb-nav { flex-direction: column; align-items: stretch; gap: 6px; }
    .sb-nav-group { gap: 4px; }
    .sb-nav-label { flex-basis: 100%; margin: 4px 0 0; }
    .sb-nav a, .sb-nav summary { min-height: 44px; background: rgba(255,255,255,.06); }
    .top-info-menu { position: static; }
    .top-info-dropdown { position: static; margin-top: 6px; min-width: 0; box-shadow: none; }
    .card { overflow-x: auto; }
    .sb-brand-sub { display: none; }
}

@media (max-width: 420px) {
    main { padding: 10px 10px 28px; }
    .card { padding: 12px; }
    .sb-clock { display: none; }
}

/* ---------- Menu compatto sul telefono ---------- */
.sb-menu-toggle { display: none; }
@media (max-width: 760px) {
    .sb-menu-toggle {
        display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 12px;
        border-radius: var(--sb-radius-sm); border: 1px solid rgba(255,255,255,.28);
        background: transparent; color: #FFFFFF; font-size: 14px; cursor: pointer;
    }
    .sb-header.js-menu .sb-nav { display: none; }
    .sb-header.js-menu.is-open .sb-nav { display: flex; }
}

/* ---------- Pagine di amministrazione (server 1.7) ---------- */
/* Messaggi di esito dei moduli: stesse classi di prima, aspetto comune */
.error:not(.button):not(.sb-notice),
div.success, p.success,
div.warning, p.warning {
    display: block;
    padding: 12px 14px;
    margin-bottom: 15px;
    border-radius: 8px;
    border: 1px solid transparent;
    font-size: 14px;
}
.error:not(.button):not(.sb-notice) { background: var(--sb-alarm-bg); color: var(--sb-alarm); border-color: var(--sb-alarm-line); }
div.success, p.success { background: var(--sb-ok-bg); color: var(--sb-ok); border-color: var(--sb-ok-line); }
div.warning, p.warning { background: var(--sb-warn-bg); color: var(--sb-warn); border-color: var(--sb-warn-line); }
.help { color: var(--sb-muted); font-size: 14px; }

/* Campi dei moduli */
.card input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]):not([type="submit"]):not([type="button"]),
.card select,
.card textarea {
    min-height: 42px;
    padding: 8px 10px;
}
.card textarea { min-height: 80px; }
.card label { font-weight: 500; }
input:disabled, input[readonly], select:disabled { background: var(--sb-surface-2); color: var(--sb-muted); }

/* Pulsanti nelle tabelle: secondari (le azioni di pericolo restano rosse) */
td .button {
    background: var(--sb-surface);
    color: var(--sb-ink);
    border-color: var(--sb-line-strong);
    font-weight: 500;
    min-height: 36px;
    padding: 6px 12px;
}
td .button:hover { background: var(--sb-bg); color: var(--sb-ink); border-color: var(--sb-line-strong); }

/* Titoli di pagina con pulsanti a seguire */
main > h1:first-child, main > .sb-back + h1 { margin-top: 0; }