/* Vision4AI — Theme v4 (brand overlay).
   Carico DOPO Bootstrap: sovrascrive senza sostituirlo. Ambito: pagine con questo CSS incluso.
   Pattern del design system (.panel, .kv, .frames-v4, .ledger-*, .chip, ecc.)
   sono scoped alla classe .v4-page — vanno abilitati page-by-page. */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg-app: #EDEEF0;
    --surface: #FFFFFF;
    --navy: #2A3F5A;
    --navy-2: #22344B;
    --ink: #23272B;
    --muted: #6B7178;
    --line: #D5D8DC;
    --line-soft: #EDEEF0;
    --signal: #C0392B;
    --signal-bg: #F7E3E0;
    --signal-ink: #A32D22;
    --ok: #2FA36B;
    --ok-bg: #E3F3EA;
    --ok-ink: #1E7A4D;
    --link: #2F5488;
    --radius-v4: 4px;
    --font-v4: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --mono-v4: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
}

/* ---- Base ---- */
body {
    background: var(--bg-app) !important;
    color: var(--ink) !important;
    font-family: var(--font-v4) !important;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--link); text-decoration: none; }
a:hover { color: var(--navy); text-decoration: underline; }
:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }

/* ---- Sidebar (dark navy → light) ---- */
.app-sidebar {
    background: var(--surface) !important;
    border-right: 0.5px solid var(--line) !important;
    color: var(--ink) !important;
}
.sidebar-brand {
    color: var(--ink) !important;
    border-bottom: 0.5px solid var(--line) !important;
    font-weight: 600;
    letter-spacing: 0.01em;
}
.sidebar-brand:hover { color: var(--navy) !important; }
.sidebar-nav li a {
    color: var(--navy) !important;
    padding: 8px 12px !important;
    border-radius: var(--radius-v4);
    font-size: 14px;
}
.sidebar-nav li a:hover {
    background: var(--line-soft) !important;
    color: var(--navy) !important;
}
.sidebar-nav li a.active {
    background: var(--line-soft) !important;
    color: var(--navy) !important;
    font-weight: 500;
    position: relative;
}
.sidebar-nav li a.active::before {
    content: "";
    position: absolute;
    left: 0; top: 6px; bottom: 6px;
    width: 3px;
    background: var(--navy);
}
.sidebar-footer { color: var(--muted) !important; }
.sidebar-footer a { color: var(--link) !important; }

/* ---- Topbar (piatta navy) ---- */
.app-topbar {
    background: var(--navy) !important;
    color: #EDEEF0 !important;
    border-bottom: none !important;
    height: 52px;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.app-topbar .topbar-title,
.app-topbar h1 {
    color: #fff !important;
    font-size: 15px;
    font-weight: 500;
    margin: 0;
}
.app-topbar .text-muted { color: #C4CCD6 !important; }
.app-topbar .form-select,
.app-topbar select {
    background: rgba(255, 255, 255, 0.12) !important;
    color: #EDEEF0 !important;
    border: 0.5px solid rgba(255, 255, 255, 0.25) !important;
    border-radius: var(--radius-v4) !important;
    height: 30px;
    padding: 0 26px 0 10px;
    font-family: var(--font-v4);
    font-size: 13px;
}
.app-topbar .form-select option { color: var(--ink); background: #fff; }
.app-topbar #sidebar-toggle {
    background: rgba(255, 255, 255, 0.12);
    color: #EDEEF0;
    border: 0.5px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--radius-v4);
    width: 32px;
    height: 32px;
}
.lang-switcher { display: inline-flex; align-items: center; gap: 6px; }
.lang-switcher select { width: auto; min-width: 64px; }

/* ---- Content ---- */
.app-content { padding: 18px 20px; background: var(--bg-app); }
.v4-page .back {
    display: inline-block;
    color: var(--muted);
    font-size: 13px;
    margin-bottom: 14px;
}
.v4-page .back:hover { color: var(--ink); text-decoration: none; }

/* ---- Grid ---- */
.v4-page .grid-v4 {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 14px;
}
.v4-page .col-v4 {
    display: flex;
    flex-direction: column;
    gap: 14px;
    min-width: 0;
}

/* ---- Panels (piatti, filetto) ---- */
.v4-page .panel {
    background: var(--surface);
    border: 0.5px solid var(--line);
    border-radius: var(--radius-v4);
    box-shadow: none;
}
.v4-page .panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 12px;
    border-bottom: 0.5px solid var(--line);
}
.v4-page .panel-body { padding: 12px; }
.v4-page .panel-body.tight { padding-top: 2px; padding-bottom: 2px; }
.v4-page .eyebrow {
    font-size: 11px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 500;
}

/* ---- Frames RGB + Thermal ---- */
.v4-page .frames-v4 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
.v4-page .frame-slot {
    position: relative;
    border-radius: var(--radius-v4);
    overflow: hidden;
    border: 0.5px solid var(--line);
    background: #3B3F44;
    min-height: 200px;
}
.v4-page .frame-slot img { width: 100%; height: auto; display: block; }
.v4-page .frame-caption {
    position: absolute;
    top: 8px; left: 8px;
    font-size: 11px;
    color: #fff;
    background: rgba(35, 39, 43, 0.55);
    padding: 1px 7px;
    border-radius: 3px;
    z-index: 5;
}
.v4-page .frame-reading {
    position: absolute;
    bottom: 8px; right: 8px;
    font-family: var(--mono-v4);
    font-size: 11px;
    color: #fff;
    background: rgba(42, 63, 90, 0.85);
    padding: 1px 7px;
    border-radius: 3px;
    z-index: 5;
}

/* ---- Chips ---- */
.v4-page .chip {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 3px;
    font-weight: 500;
    display: inline-block;
    font-family: var(--font-v4);
}
.v4-page .chip.ok { background: var(--ok-bg); color: var(--ok-ink); }
.v4-page .chip.defect { background: var(--signal-bg); color: var(--signal-ink); }

/* ---- Tabs (viz) ---- */
.v4-page .tabs-v4 {
    display: flex;
    gap: 2px;
    padding: 10px 12px 0;
    border-bottom: 0.5px solid var(--line);
}
.v4-page .tabs-v4 .thermal-viz-tab {
    padding: 6px 12px;
    font-size: 13px;
    color: var(--muted);
    border: 0.5px solid transparent;
    border-bottom: none;
    border-radius: var(--radius-v4) var(--radius-v4) 0 0;
    background: transparent;
    cursor: pointer;
    font-family: var(--font-v4);
    margin-bottom: -0.5px;
}
.v4-page .tabs-v4 .thermal-viz-tab.active {
    color: var(--ink);
    background: var(--surface);
    border-color: var(--line);
    font-weight: 500;
}

/* ---- Config key-value ---- */
.v4-page .kv {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 0.5px solid var(--line-soft);
    font-size: 13px;
}
.v4-page .kv:last-child { border-bottom: none; }
.v4-page .kv .k { color: var(--muted); }
.v4-page .kv .v {
    font-family: var(--mono-v4);
    color: var(--ink);
    text-align: right;
}
.v4-page .kv .v .code,
.v4-page code.v4-code {
    font-family: var(--mono-v4);
    font-size: 12px;
    background: #EEF1F6;
    color: var(--navy);
    padding: 1px 6px;
    border-radius: 3px;
}

/* ---- Ledger (decisioni) ---- */
.v4-page .ledger-head,
.v4-page .ledger-row {
    display: grid;
    grid-template-columns: 100px 90px 90px 1fr 140px;
    gap: 10px;
    align-items: center;
    padding: 9px 12px;
    font-size: 12px;
}
.v4-page .ledger-head {
    border-bottom: 0.5px solid var(--line);
    font-size: 11px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 500;
}
.v4-page .ledger-row { border-bottom: 0.5px solid var(--line-soft); }
.v4-page .ledger-row:last-child { border-bottom: none; }
.v4-page .ledger-row .time,
.v4-page .ledger-row .reason { font-family: var(--mono-v4); color: var(--muted); }
.v4-page .ledger-row .commessa { color: var(--ink); }

/* ---- Bootstrap overrides (piatti) ---- */
.v4-page .btn {
    border-radius: var(--radius-v4);
    font-family: var(--font-v4);
    font-weight: 500;
    box-shadow: none;
}
.v4-page .btn-primary,
.v4-page .btn-outline-primary {
    background: var(--navy);
    color: #fff;
    border-color: var(--navy);
}
.v4-page .btn-primary:hover,
.v4-page .btn-outline-primary:hover {
    background: var(--navy-2);
    border-color: var(--navy-2);
    color: #fff;
}
.v4-page .btn-outline-secondary {
    background: transparent;
    color: var(--navy);
    border-color: var(--line);
}
.v4-page .btn-outline-secondary:hover {
    background: var(--line-soft);
    color: var(--navy);
    border-color: var(--line);
}
.v4-page .btn-block-navy {
    width: 100%;
    background: var(--navy);
    color: #fff;
    border: none;
    border-radius: var(--radius-v4);
    height: 36px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    margin-top: 10px;
}
.v4-page .btn-block-navy:hover { background: var(--navy-2); }

.v4-page .form-control,
.v4-page .form-select {
    border-radius: var(--radius-v4);
    border: 0.5px solid var(--line);
    box-shadow: none;
    font-family: var(--font-v4);
}
.v4-page .form-control:focus,
.v4-page .form-select:focus {
    border-color: var(--navy);
    box-shadow: 0 0 0 2px rgba(42, 63, 90, 0.15);
}
.v4-page .form-label { font-size: 12px; color: var(--muted); margin-bottom: 4px; }

/* ---- Field errors (rosso mattone) ---- */
.v4-page .field-error {
    color: var(--signal-ink);
    font-size: 12px;
    margin-top: 4px;
    font-family: var(--font-v4);
}
.v4-page .field-error:empty { display: none; }

/* ---- Recent decisions ---- */
.v4-page .badge-decision {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 3px;
    font-weight: 500;
}
.v4-page .badge-ok { background: var(--ok-bg); color: var(--ok-ink); }
.v4-page .badge-defect { background: var(--signal-bg); color: var(--signal-ink); }
.v4-page .badge-warning { background: #FFF3D6; color: #8A6D1B; }

/* ---- Modal (mantiene Bootstrap ma piatto) ---- */
.v4-page + .modal .modal-content,
#thermalConfirmModal .modal-content {
    border-radius: var(--radius-v4);
    border: 0.5px solid var(--line);
    box-shadow: none;
}
#thermalConfirmModal .modal-header {
    background: var(--surface);
    border-bottom: 0.5px solid var(--line);
    color: var(--signal-ink);
}
#thermalConfirmModal .modal-title { font-size: 14px; font-weight: 600; }
#thermalConfirmModal table th { color: var(--muted); font-weight: 500; }
#thermalConfirmModal table td.font-monospace { font-family: var(--mono-v4); color: var(--ink); }

/* ---- Empty state ---- */
.v4-page .empty-state {
    padding: 24px 12px;
    text-align: center;
    color: var(--muted);
    background: var(--line-soft);
    border-radius: var(--radius-v4);
}
.v4-page .empty-state p { margin: 0 0 4px; }

/* ---- Auth shell (login, signup, activation, ecc.) ---- */
.v4-auth-shell {
    min-height: 100vh;
    background: var(--bg-app);
    display: flex;
    flex-direction: column;
    font-family: var(--font-v4);
    color: var(--ink);
}
.v4-auth-shell .v4-auth-topbar {
    background: var(--navy);
    color: #EDEEF0;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    flex: none;
}
.v4-auth-shell .v4-auth-topbar .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
}
.v4-auth-shell .v4-auth-topbar .brand img { height: 26px; }
.v4-auth-shell .v4-auth-body {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.v4-auth-shell .v4-auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--surface);
    border: 0.5px solid var(--line);
    border-radius: var(--radius-v4);
    padding: 32px 28px;
}
.v4-auth-shell .v4-auth-card h1,
.v4-auth-shell .v4-auth-card h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin: 0 0 20px;
}
.v4-auth-shell .v4-auth-card .form-label {
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}
.v4-auth-shell .v4-auth-card .form-control {
    border: 0.5px solid var(--line);
    border-radius: var(--radius-v4);
    background: var(--surface);
    color: var(--ink);
    box-shadow: none;
    font-family: var(--font-v4);
}
.v4-auth-shell .v4-auth-card .form-control:focus {
    border-color: var(--navy);
    box-shadow: 0 0 0 2px rgba(42, 63, 90, 0.15);
}
.v4-auth-shell .v4-auth-card .btn-primary {
    background: var(--navy);
    border-color: var(--navy);
    color: #fff;
    border-radius: var(--radius-v4);
    font-weight: 500;
    padding: 10px 16px;
    box-shadow: none;
}
.v4-auth-shell .v4-auth-card .btn-primary:hover {
    background: var(--navy-2);
    border-color: var(--navy-2);
}
.v4-auth-shell .v4-auth-card .alert {
    border-radius: var(--radius-v4);
    border: 0.5px solid var(--line);
    font-size: 13px;
}
.v4-auth-shell .v4-auth-card .alert-danger {
    background: var(--signal-bg);
    border-color: var(--signal-bg);
    color: var(--signal-ink);
}
.v4-auth-shell .v4-auth-footer {
    text-align: center;
    margin-top: 16px;
    color: var(--muted);
    font-size: 13px;
}
.v4-auth-shell .v4-auth-footer a { color: var(--link); }

/* ---- Generic .v4-page utilities ---- */
.v4-page h1, .v4-page h2 {
    font-family: var(--font-v4);
    font-weight: 600;
    color: var(--ink);
}
.v4-page h1 { font-size: 18px; margin: 0 0 12px; }
.v4-page h2 { font-size: 16px; margin: 0 0 10px; }
.v4-page .card {
    background: var(--surface);
    border: 0.5px solid var(--line);
    border-radius: var(--radius-v4);
    box-shadow: none;
}
.v4-page .card-header {
    background: var(--surface);
    border-bottom: 0.5px solid var(--line);
    font-size: 11px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 500;
    padding: 10px 12px;
}
.v4-page .card-body { padding: 12px; }
.v4-page .badge {
    border-radius: 3px;
    font-weight: 500;
    font-size: 11px;
}
.v4-page .badge.bg-success { background: var(--ok-bg) !important; color: var(--ok-ink); }
.v4-page .badge.bg-danger, .v4-page .badge.bg-warning { background: var(--signal-bg) !important; color: var(--signal-ink); }
.v4-page .badge.bg-secondary { background: var(--line) !important; color: var(--muted); }
.v4-page .table { color: var(--ink); font-size: 13px; }
.v4-page .table th {
    font-size: 11px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 500;
    border-bottom: 0.5px solid var(--line);
}
.v4-page .table td {
    border-bottom: 0.5px solid var(--line-soft);
}
.v4-page code {
    font-family: var(--mono-v4);
    font-size: 12px;
    background: #EEF1F6;
    color: var(--navy);
    padding: 1px 6px;
    border-radius: 3px;
}
.v4-page .status-badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 3px;
    font-weight: 500;
    text-transform: uppercase;
}
.v4-page .status-ok { background: var(--ok-bg); color: var(--ok-ink); }
.v4-page .status-alarm { background: var(--signal-bg); color: var(--signal-ink); }
.v4-page .status-pending { background: #FFF3D6; color: #8A6D1B; }

/* ---- KPI cards (dashboard) ---- */
.v4-page .card-kpi { padding: 16px 14px; }
.v4-page .kpi-value {
    font-family: var(--mono-v4);
    font-size: 24px;
    font-weight: 500;
    color: var(--navy);
    line-height: 1.2;
}
.v4-page .kpi-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
    margin-top: 4px;
}

/* ---- Responsive ---- */
@media (max-width: 860px) {
    .v4-page .grid-v4 { grid-template-columns: 1fr; }
    .v4-page .frames-v4 { grid-template-columns: 1fr; }
}