:root {
    --admin-bg: #081a2b;
    --admin-surface: rgba(255,255,255,0.08);
    --admin-surface-2: rgba(255,255,255,0.12);
    --admin-border: rgba(255,255,255,0.12);
}

.admin-layout {
    min-height: calc(100vh - 120px);
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 22px;
    margin: 30px auto;
}

.admin-sidebar {
    position: sticky;
    top: 120px;
    align-self: start;
    border-radius: 18px;
    background: linear-gradient(160deg, rgba(0,44,92,0.95), rgba(0,80,168,0.65));
    border: 1px solid rgba(255,255,255,0.12);
    padding: 16px;
    box-shadow: 0 14px 40px rgba(0,0,0,0.18);
}

.admin-sidebar .brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 10px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.12);
    margin-bottom: 12px;
}

.admin-sidebar .brand img {
    height: 42px;
    background: white;
    border-radius: 10px;
    padding: 6px 10px;
}

.admin-sidebar .brand .title {
    color: white;
    font-weight: 800;
    letter-spacing: 0.5px;
}

.admin-nav {
    list-style: none;
    display: grid;
    gap: 8px;
    padding: 10px;
}

.admin-nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 12px;
    border-radius: 12px;
    color: white;
    text-decoration: none;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.10);
    transition: transform .15s ease, background .15s ease;
}

.admin-nav a:hover {
    background: rgba(255,255,255,0.12);
    transform: translateY(-1px);
}

.admin-nav a.active {
    background: rgba(214,40,40,0.18);
    border-color: rgba(214,40,40,0.35);
}

.admin-main {
    border-radius: 18px;
    background: rgba(255,255,255,0.65);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(0,0,0,0.05);
    box-shadow: 0 14px 40px rgba(0,0,0,0.10);
    padding: 22px;
}

.admin-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 18px;
}

.admin-topbar h1 {
    color: var(--blu-scuro);
    font-size: 1.8rem;
}

.admin-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-pill {
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(0,80,168,0.10);
    border: 1px solid rgba(0,80,168,0.18);
    color: var(--blu-scuro);
    font-weight: 700;
}

.admin-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 16px;
}

.admin-card {
    grid-column: span 3;
    background: white;
    border-radius: 16px;
    padding: 16px;
    border: 1px solid rgba(0,0,0,0.06);
}

.admin-card .kpi {
    font-size: 2rem;
    font-weight: 900;
    color: var(--blu-scuro);
    line-height: 1;
}

.admin-card .label {
    color: #47607b;
    font-weight: 700;
    margin-top: 6px;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    overflow: hidden;
    border-radius: 14px;
    background: white;
    border: 1px solid rgba(0,0,0,0.06);
}

.admin-table th,
.admin-table td {
    padding: 12px 12px;
    border-bottom: 1px solid rgba(0,0,0,0.06);
    text-align: left;
    vertical-align: top;
}

.admin-table th {
    background: rgba(0,80,168,0.06);
    color: var(--blu-scuro);
    font-weight: 800;
}

.admin-table tr:hover td {
    background: rgba(232,244,255,0.6);
}

.admin-form {
    display: grid;
    gap: 12px;
    max-width: 760px;
}

.field {
    display: grid;
    gap: 6px;
}

.field label {
    font-weight: 800;
    color: var(--blu-scuro);
}

.field input,
.field textarea,
.field select {
    padding: 12px 12px;
    border-radius: 12px;
    border: 1px solid rgba(0,0,0,0.12);
    outline: none;
    font: inherit;
}

.field textarea {
    min-height: 120px;
    resize: vertical;
}

.admin-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.upload-drop {
    position: relative;
    border: 2px dashed rgba(0,80,168,0.28);
    border-radius: 16px;
    padding: 18px;
    background: rgba(255,255,255,0.85);
    cursor: pointer;
    transition: 0.15s ease;
}

.upload-drop input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.upload-drop__hint {
    font-weight: 800;
    color: #2b3b4a;
    text-align: center;
}

.upload-drop.is-dragover {
    border-color: rgba(0,80,168,0.55);
    background: rgba(232,244,255,0.65);
}

.upload-drop.has-file {
    border-color: rgba(25,135,84,0.55);
}

.btn-secondary {
    background: rgba(0,44,92,0.10);
    color: var(--blu-scuro);
    padding: 12px 18px;
    border-radius: 10px;
    display: inline-block;
    border: 1px solid rgba(0,44,92,0.15);
}

.btn-danger {
    background: rgba(214,40,40,0.10);
    color: var(--rosso-alba);
    padding: 12px 18px;
    border-radius: 10px;
    display: inline-block;
    border: 1px solid rgba(214,40,40,0.22);
}

.validation {
    color: var(--rosso-alba);
    font-weight: 700;
}

/* ── Hamburger toggle (visibile solo mobile) ── */
.admin-sidebar-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 6px;
    margin-left: auto;
    flex-shrink: 0;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.20);
    border-radius: 8px;
    cursor: pointer;
}

.admin-sidebar-toggle span {
    display: block;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: transform .2s ease, opacity .2s ease;
}

.admin-sidebar.is-open .admin-sidebar-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.admin-sidebar.is-open .admin-sidebar-toggle span:nth-child(2) { opacity: 0; }
.admin-sidebar.is-open .admin-sidebar-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Tablet (980px) ── */
@media (max-width: 980px) {
    .admin-layout {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        position: relative;
        top: 0;
    }

    .admin-sidebar-toggle {
        display: flex;
    }

    .admin-nav {
        display: none;
        margin-top: 4px;
    }

    .admin-sidebar.is-open .admin-nav {
        display: grid;
    }

    .admin-card {
        grid-column: span 6;
    }

    .admin-topbar {
        flex-wrap: wrap;
        gap: 10px;
    }

    .admin-topbar h1 {
        font-size: 1.5rem;
    }

    .admin-form {
        max-width: 100%;
    }
}

/* ── Tabelle scrollabili su mobile ── */
@media (max-width: 768px) {
    .admin-table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
    }

    .admin-table td {
        white-space: normal;
    }

    .admin-table td[style*="max-width"] {
        max-width: 240px !important;
    }
}

/* ── Smartphone (520px) ── */
@media (max-width: 520px) {
    .admin-card {
        grid-column: span 12;
    }

    .admin-main {
        padding: 14px;
    }

    .admin-topbar h1 {
        font-size: 1.2rem;
    }

    .admin-grid {
        gap: 10px;
    }

    .admin-card .kpi {
        font-size: 1.6rem;
    }
}