/* ==========================================================================
   Sidebar area autenticata - Sanzioni.cloud
   Markup: views/layouts/_sidebar.php. Tutte le regole sono limitate a
   .app-sidebar per non interferire con le pagine interne.
   Caricato dopo bootstrap-italia (AppAsset) per vincere la cascata.
   ========================================================================== */

.app-sidebar {
    --sb-primary: #0066cc;
    --sb-primary-strong: #004d99;
    --sb-primary-soft: #e8f1fb;
    --sb-accent: #80b3e6;
    --sb-text: #17324d;
    --sb-muted: #4f6478;
    --sb-border: #dce4ec;
    --sb-guide: #e3eaf1;
    --sb-hover: #f1f6fb;
    --sb-surface: #ffffff;
    --sb-radius: 14px;
    --sb-shadow: 0 1px 2px rgba(23, 50, 77, 0.05), 0 8px 24px rgba(23, 50, 77, 0.07);

    margin-bottom: 1.5rem;
    color: var(--sb-text);
    font-family: "Titillium Web", Geneva, Tahoma, sans-serif;
}

.app-sidebar *,
.app-sidebar *::before,
.app-sidebar *::after {
    box-sizing: border-box;
}

/* ---------- Pulsante "Menu" (solo sotto i 1200px) ---------- */

.app-sidebar__toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    margin: 0;
    padding: 0.75rem 1rem;
    color: var(--sb-text);
    font: inherit;
    text-align: left;
    background: var(--sb-surface);
    border: 1px solid var(--sb-border);
    border-radius: var(--sb-radius);
    box-shadow: var(--sb-shadow);
    cursor: pointer;
}

.app-sidebar__toggle:hover {
    background: var(--sb-hover);
}

.app-sidebar__toggle[aria-expanded="true"] {
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
    box-shadow: none;
}

.app-sidebar__toggle-icon {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    color: #ffffff;
    font-size: 0.95rem;
    background: linear-gradient(135deg, var(--sb-primary), var(--sb-primary-strong));
    border-radius: 10px;
}

.app-sidebar__toggle-text {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    min-width: 0;
    line-height: 1.25;
}

.app-sidebar__toggle-label {
    font-size: 1rem;
    font-weight: 700;
}

.app-sidebar__toggle-context {
    overflow: hidden;
    color: var(--sb-muted);
    font-size: 0.8rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ---------- Pannello ---------- */

.app-sidebar__panel {
    overflow: hidden;
    background: var(--sb-surface);
    border: 1px solid var(--sb-border);
    border-radius: var(--sb-radius);
    box-shadow: var(--sb-shadow);
}

.app-sidebar__toggle + .app-sidebar__panel {
    border-top: 0;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

.app-sidebar .collapse.show {
    display: block;
}

.app-sidebar__header {
    position: relative;
    padding: 1.1rem 1.1rem 1rem;
    color: #ffffff;
    background:
        radial-gradient(120% 140% at 100% 0%, rgba(255, 255, 255, 0.16) 0%, rgba(255, 255, 255, 0) 55%),
        linear-gradient(135deg, var(--sb-primary) 0%, var(--sb-primary-strong) 100%);
}

.app-sidebar__eyebrow {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.3rem;
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    line-height: 1.2;
    text-transform: uppercase;
}

.app-sidebar__eyebrow::before {
    flex: 0 0 auto;
    width: 16px;
    height: 3px;
    content: "";
    background: var(--sb-accent);
    border-radius: 999px;
}

.app-sidebar .app-sidebar__title {
    margin: 0;
    padding: 0;
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    line-height: 1.3;
}

.app-sidebar__nav {
    padding: 0.6rem 0.55rem 0.7rem;
}

.app-sidebar__groups,
.app-sidebar__items {
    margin: 0;
    padding: 0;
    list-style: none;
}

.app-sidebar__group + .app-sidebar__group {
    margin-top: 0.15rem;
}

/* ---------- Intestazione gruppo ---------- */

.app-sidebar__group-toggle {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    width: 100%;
    margin: 0;
    padding: 0.45rem 0.55rem;
    color: var(--sb-text);
    font: inherit;
    font-size: 0.93rem;
    font-weight: 600;
    line-height: 1.3;
    text-align: left;
    background: transparent;
    border: 0;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.app-sidebar__group-toggle:hover {
    color: var(--sb-primary);
    background: var(--sb-hover);
}

.app-sidebar__icon {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    color: var(--sb-primary);
    font-size: 0.85rem;
    background: var(--sb-primary-soft);
    border-radius: 9px;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.app-sidebar__group-label {
    flex: 1 1 auto;
    min-width: 0;
}

.app-sidebar__group.is-current > .app-sidebar__group-toggle {
    color: var(--sb-primary-strong);
}

.app-sidebar__group.is-current .app-sidebar__icon {
    color: #ffffff;
    background: linear-gradient(135deg, var(--sb-primary), var(--sb-primary-strong));
}

/* freccia: verso il basso se aperto, verso destra se chiuso */
.app-sidebar__chevron {
    flex: 0 0 auto;
    width: 0.5rem;
    height: 0.5rem;
    margin-right: 0.3rem;
    border-right: 2px solid #9aabbb;
    border-bottom: 2px solid #9aabbb;
    transform: translateY(-2px) rotate(45deg);
    transition: transform 0.2s ease, border-color 0.15s ease;
}

.app-sidebar [aria-expanded="false"] > .app-sidebar__chevron {
    transform: rotate(-45deg);
}

.app-sidebar__group-toggle:hover .app-sidebar__chevron {
    border-color: var(--sb-primary);
}

/* ---------- Voci ---------- */

.app-sidebar__items {
    position: relative;
    padding: 0.1rem 0 0.45rem 2.55rem;
}

.app-sidebar__items::before {
    position: absolute;
    top: 0.15rem;
    bottom: 0.55rem;
    left: 1.55rem;
    width: 2px;
    content: "";
    background: var(--sb-guide);
    border-radius: 2px;
}

.app-sidebar__items > li {
    position: relative;
    margin: 1px 0;
}

.app-sidebar .app-sidebar__link {
    position: relative;
    display: block;
    padding: 0.36rem 0.65rem;
    color: var(--sb-muted);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.35;
    text-decoration: none;
    border-radius: 8px;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.app-sidebar .app-sidebar__link:hover {
    color: var(--sb-primary);
    text-decoration: none;
    background: var(--sb-hover);
}

.app-sidebar .app-sidebar__link.is-active {
    color: var(--sb-primary-strong);
    font-weight: 700;
    background: var(--sb-primary-soft);
}

.app-sidebar .app-sidebar__link.is-active::before {
    position: absolute;
    top: 0.35rem;
    bottom: 0.35rem;
    left: -1.05rem;
    width: 3px;
    content: "";
    background: var(--sb-primary);
    border-radius: 3px;
}

/* ---------- Focus da tastiera ---------- */

/* Bootstrap Italia evidenzia ogni :focus con !important (il suo JS che lo
   rimuove al clic non e caricato): qui lo si toglie solo per il focus da
   mouse; da tastiera resta l'anello arancione standard del design system. */
.app-sidebar .app-sidebar__toggle:focus:not(:focus-visible) {
    border-color: var(--sb-border) !important;
    box-shadow: var(--sb-shadow) !important;
}

.app-sidebar .app-sidebar__toggle[aria-expanded="true"]:focus:not(:focus-visible),
.app-sidebar .app-sidebar__group-toggle:focus:not(:focus-visible),
.app-sidebar .app-sidebar__link:focus:not(:focus-visible) {
    box-shadow: none !important;
}

.app-sidebar__toggle:focus,
.app-sidebar__group-toggle:focus,
.app-sidebar .app-sidebar__link:focus {
    outline: none;
}

/* ---------- Mobile/tablet: il contesto e gia nel pulsante "Menu" ---------- */

@media (max-width: 1199.98px) {
    .app-sidebar__header {
        display: none;
    }
}

/* ---------- Desktop: pannello sempre visibile e ancorato ---------- */

@media (min-width: 1200px) {
    .app-sidebar {
        position: sticky;
        top: 1rem;
        margin-bottom: 2rem;
    }

    .app-sidebar__toggle {
        display: none;
    }

    .app-sidebar .app-sidebar__panel.collapse:not(.show),
    .app-sidebar .app-sidebar__panel.collapsing {
        display: block;
        height: auto !important;
    }

    .app-sidebar__toggle + .app-sidebar__panel {
        border-top: 1px solid var(--sb-border);
        border-radius: var(--sb-radius);
    }

    .app-sidebar__nav {
        max-height: calc(100vh - 9rem);
        overflow-y: auto;
        overscroll-behavior: contain;
        scrollbar-width: thin;
        scrollbar-color: #c3cfdb transparent;
    }

    .app-sidebar__nav::-webkit-scrollbar {
        width: 8px;
    }

    .app-sidebar__nav::-webkit-scrollbar-thumb {
        background: #c3cfdb;
        border: 2px solid var(--sb-surface);
        border-radius: 8px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .app-sidebar *,
    .app-sidebar .collapsing {
        transition: none !important;
    }
}