/* ============================================================
   UDI Impianti Manager v3 — THEME STEP (restyling moderno)
   Caricato DOPO bootstrap + enhancements: ridefinisce la palette
   e svecchia navbar, tab, card, bottoni, tabelle, modali.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400;600;700;800&display=swap');

:root {
    --step-primary: #147A8D;
    --step-primary-dark: #0E5C6A;
    --step-light: #5FBFBA;
    --step-pale: #C5E4E3;
    --step-paper: #EAF5F4;
    --step-ink: #1f2d33;

    /* Override Bootstrap */
    --bs-primary: #147A8D;
    --bs-primary-rgb: 20, 122, 141;
    --bs-link-color: #147A8D;
    --bs-link-hover-color: #0E5C6A;
    --bs-body-font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --bs-body-color: #2b3a40;
    --bs-border-radius: 0.7rem;
    --bs-border-radius-sm: 0.5rem;
    --bs-border-radius-lg: 1rem;
}

body {
    font-family: var(--bs-body-font-family);
    background: #f4f8f8;
    color: var(--bs-body-color);
}

/* ---------- NAVBAR ---------- */
.navbar.bg-white {
    background: #ffffff !important;
    border-bottom: 3px solid var(--step-light);
    box-shadow: 0 2px 16px rgba(14,92,106,0.08) !important;
}
.navbar-brand h3, .navbar-brand .h3 {
    color: var(--step-primary) !important;
    font-weight: 800; letter-spacing: -0.01em;
}
.navbar-brand small { color: #94a3b8 !important; }

/* User badge + toggle */
.user-badge {
    background: var(--step-paper);
    color: var(--step-primary-dark);
    font-weight: 600;
    border: 1px solid var(--step-pale);
}
.theme-toggle {
    border-color: var(--step-pale);
    color: var(--step-primary);
    border-radius: 10px;
    width: 40px; height: 38px;
    display: inline-flex; align-items: center; justify-content: center;
}
.theme-toggle:hover { background: var(--step-paper); border-color: var(--step-light); }

/* ---------- BOTTONI ---------- */
.btn { border-radius: 10px; font-weight: 600; letter-spacing: 0.01em; }
.btn-primary {
    background: linear-gradient(135deg, var(--step-primary) 0%, var(--step-primary-dark) 100%);
    border: none;
    box-shadow: 0 3px 10px rgba(20,122,141,0.28);
}
.btn-primary:hover, .btn-primary:focus {
    background: linear-gradient(135deg, #15869b 0%, #0c505d 100%);
    box-shadow: 0 5px 16px rgba(20,122,141,0.38);
    transform: translateY(-1px);
}
.btn-outline-primary {
    color: var(--step-primary); border-color: var(--step-light);
}
.btn-outline-primary:hover {
    background: var(--step-primary); border-color: var(--step-primary);
}
.btn-outline-secondary { border-radius: 10px; }
.btn-success { background: #2c9b7a; border-color: #2c9b7a; }
.btn-outline-success { color: #2c9b7a; border-color: #7fc8b3; }
.btn-outline-success:hover { background: #2c9b7a; border-color: #2c9b7a; }

/* ---------- NAV TABS (moderni, underline) ---------- */
.nav-tabs {
    border-bottom: 2px solid var(--step-pale);
    gap: 4px;
}
.nav-tabs .nav-link {
    border: none;
    border-radius: 10px 10px 0 0;
    color: #647885;
    font-weight: 600;
    padding: 11px 18px;
    position: relative;
    transition: all 0.15s;
}
.nav-tabs .nav-link i { color: var(--step-light); transition: color 0.15s; }
.nav-tabs .nav-link:hover {
    color: var(--step-primary);
    background: var(--step-paper);
}
.nav-tabs .nav-link:hover i { color: var(--step-primary); }
.nav-tabs .nav-link.active {
    color: var(--step-primary);
    background: transparent;
    border: none;
}
.nav-tabs .nav-link.active i { color: var(--step-primary); }
.nav-tabs .nav-link.active::after {
    content: '';
    position: absolute;
    left: 12px; right: 12px; bottom: -2px;
    height: 3px;
    background: linear-gradient(90deg, var(--step-primary), var(--step-light));
    border-radius: 3px 3px 0 0;
}

/* ---------- CARD ---------- */
.card {
    border: 1px solid #e3edec;
    border-radius: var(--bs-border-radius-lg);
    box-shadow: 0 2px 12px rgba(14,92,106,0.05);
    overflow: hidden;
}
.card-header {
    background: var(--step-paper);
    border-bottom: 1px solid #dcebe9;
    font-weight: 700;
    color: var(--step-primary-dark);
}
.dash-card { border-radius: var(--bs-border-radius-lg); }
.dash-card-value { color: var(--step-primary); }

/* ---------- TABELLE ---------- */
.table { --bs-table-hover-bg: var(--step-paper); }
.table thead th {
    background: var(--step-primary);
    color: #fff;
    font-weight: 600;
    border-color: var(--step-primary-dark);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}
.table thead th:first-child { border-top-left-radius: 8px; }
.table thead th:last-child  { border-top-right-radius: 8px; }
.table-light thead th, thead.table-light th {
    background: var(--step-primary) !important;
    color: #fff !important;
}
.table-striped > tbody > tr:nth-of-type(odd) > * {
    background: rgba(95,191,186,0.06);
}

/* Righe impianto perso: il giallo deve vincere sullo striping teal,
   anche sulle righe alternate (lo striping colora le td). */
#implantsTable tbody tr.implant-lost > td,
.table-striped > tbody > tr.implant-lost > * {
    background-color: #fff3cd !important;
}
[data-bs-theme="dark"] #implantsTable tbody tr.implant-lost > td,
[data-bs-theme="dark"] .table-striped > tbody > tr.implant-lost > * {
    background-color: #4d3e10 !important;
    color: #fff3cd !important;
}

/* DataTables search/length */
.dataTables_wrapper .form-control,
.dataTables_wrapper .form-select { border-radius: 8px; border-color: var(--step-pale); }
.dataTables_wrapper .form-control:focus,
.dataTables_wrapper .form-select:focus {
    border-color: var(--step-light);
    box-shadow: 0 0 0 3px rgba(95,191,186,0.2);
}
.page-link { color: var(--step-primary); }
.page-item.active .page-link { background: var(--step-primary); border-color: var(--step-primary); }

/* ---------- FORM ---------- */
.form-control, .form-select {
    border-radius: 9px;
    border-color: #d7e6e5;
}
.form-control:focus, .form-select:focus {
    border-color: var(--step-light);
    box-shadow: 0 0 0 3px rgba(95,191,186,0.2);
}
.form-label { font-weight: 600; color: var(--step-primary-dark); font-size: 0.88rem; }

/* ---------- MODAL ---------- */
.modal-content { border: none; border-radius: var(--bs-border-radius-lg); overflow: hidden; }
.modal-header {
    background: linear-gradient(135deg, var(--step-primary) 0%, var(--step-primary-dark) 100%);
    color: #fff;
}
.modal-header .btn-close { filter: invert(1) grayscale(1) brightness(1.5); }
.modal-title { font-weight: 700; }

/* ---------- BADGE / TESTI ---------- */
.text-primary { color: var(--step-primary) !important; }
.badge.bg-primary { background: var(--step-primary) !important; }
.alert-info {
    background: var(--step-paper);
    border-color: var(--step-pale);
    color: var(--step-primary-dark);
}

/* ---------- STATUS BAR ---------- */
.navbar + * .text-muted, footer .text-muted { color: #8aa0a8 !important; }

/* ---------- SCROLLBAR ---------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: var(--step-pale); border-radius: 6px;
    border: 2px solid #f4f8f8;
}
::-webkit-scrollbar-thumb:hover { background: var(--step-light); }

/* ---------- DARK MODE: armonizzo con palette ---------- */
[data-bs-theme="dark"] {
    --bs-primary: #5FBFBA;
    --bs-primary-rgb: 95, 191, 186;
}
[data-bs-theme="dark"] body { background: #15191c; }
[data-bs-theme="dark"] .navbar.bg-white {
    background: #1e2428 !important;
    border-bottom-color: var(--step-primary);
}
[data-bs-theme="dark"] .navbar-brand h3 { color: var(--step-light) !important; }
[data-bs-theme="dark"] .table thead th { background: var(--step-primary-dark); color: #e8f4f3; }
[data-bs-theme="dark"] .table-light thead th { background: var(--step-primary-dark) !important; color: #e8f4f3 !important; }
[data-bs-theme="dark"] .card-header { background: #1f2a2d; color: var(--step-light); border-color: #2c3a3d; }
[data-bs-theme="dark"] .nav-tabs .nav-link.active { color: var(--step-light); }
[data-bs-theme="dark"] .nav-tabs .nav-link.active i { color: var(--step-light); }
[data-bs-theme="dark"] .text-primary { color: var(--step-light) !important; }
[data-bs-theme="dark"] .btn-primary {
    background: linear-gradient(135deg, #1a92a8 0%, #14707f 100%);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 992px) {
    .navbar .d-flex.gap-2 { flex-wrap: wrap; justify-content: flex-end; }
    .navbar-brand img { height: 56px !important; }
    .navbar-brand h3 { font-size: 1.15rem; }
    .nav-tabs .nav-link { padding: 9px 12px; font-size: 0.9rem; }
}