/**
 * theme.css - Sistema grafico unico LabMonitoring
 *
 * Caricato per ULTIMO in ogni pagina (dopo Bootstrap e i CSS di pagina):
 * definisce colori, carattere, schede, tabelle e stati in un solo posto.
 * Per cambiare l'aspetto della piattaforma si modificano i token in :root.
 */

/* ============================================================
   1. TOKEN
   ============================================================ */
:root {
    /* Marchio: blu "geotecnico", coerente con la barra di navigazione */
    --gc-primary: #2563eb;
    --gc-primary-rgb: 37, 99, 235;
    --gc-primary-hover: #1d4ed8;
    --gc-primary-dark: #1e3a8a;
    --gc-primary-soft: rgba(37, 99, 235, 0.08);
    --gc-accent: #0d9488;
    --gc-gradient: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);

    /* Neutri */
    --gc-ink: #0f172a;          /* testo principale */
    --gc-ink-2: #334155;        /* testo secondario */
    --gc-muted: #64748b;        /* etichette */
    --gc-border: #e2e8f0;
    --gc-surface: #ffffff;
    --gc-surface-2: #f8fafc;    /* intestazioni tabelle, aree secondarie */
    --gc-page: #f1f5f9;         /* sfondo pagina */
    --gc-navbar: #0f172a;

    /* Stato sensori (stessi valori di common/functions.php) */
    --gc-online: #10b981;
    --gc-delayed: #f59e0b;
    --gc-offline: #ef4444;
    --gc-nodata: #6b7280;

    /* Forma */
    --gc-radius: 12px;
    --gc-radius-sm: 8px;
    --gc-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
    --gc-shadow-hover: 0 6px 16px rgba(15, 23, 42, 0.08);
    --gc-font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --gc-font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Consolas, monospace;

    /* Bootstrap 5.3 */
    --bs-primary: var(--gc-primary);
    --bs-primary-rgb: var(--gc-primary-rgb);
    --bs-link-color: var(--gc-primary);
    --bs-link-color-rgb: var(--gc-primary-rgb);
    --bs-link-hover-color: var(--gc-primary-hover);
    --bs-body-font-family: var(--gc-font);
    --bs-body-color: var(--gc-ink);
    --bs-body-bg: var(--gc-page);
    --bs-border-color: var(--gc-border);
    --bs-border-radius: var(--gc-radius-sm);
    --bs-success: var(--gc-online);
    --bs-warning: var(--gc-delayed);
    --bs-danger: var(--gc-offline);

    /* Variabili usate dai CSS esistenti (css/styles.css, servizio/styles.css) */
    --primary: var(--gc-primary);
    --primary-dark: var(--gc-primary-dark);
    --primary-color: var(--gc-primary);
    --success: var(--gc-online);
    --success-color: var(--gc-online);
    --warning: var(--gc-delayed);
    --warning-color: var(--gc-delayed);
    --danger: var(--gc-offline);
}

/* ============================================================
   2. BASE
   ============================================================ */
body {
    font-family: var(--gc-font);
    color: var(--gc-ink);
    background-color: var(--gc-page);
    -webkit-font-smoothing: antialiased;
}

/* I titoli ereditano il colore: restano bianchi nelle intestazioni colorate */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: var(--gc-font);
    letter-spacing: -0.01em;
}

a {
    color: var(--gc-primary);
}

code, kbd, pre, .font-monospace {
    font-family: var(--gc-font-mono);
}

/* Codici (sensori, tabelle) nel blu del tema invece del rosa di Bootstrap */
:root {
    --bs-code-color: var(--gc-primary-dark);
}
code {
    color: var(--gc-primary-dark);
}

/* Valori numerici: cifre allineate in colonna */
.table td, .stat-value, .stats-card h3, .gc-num,
[id^="stat-"], .sensor-value, .reading-value {
    font-variant-numeric: tabular-nums;
}

/* ============================================================
   3. NAVIGAZIONE
   ============================================================ */
.navbar.bg-dark, .navbar-dark.bg-dark, nav.navbar.bg-primary {
    background-color: var(--gc-navbar) !important;
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: -0.01em;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.gc-logo {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

/* Voci su una sola riga (sotto 1400 px la navbar usa etichette brevi) */
.navbar-expand-lg .navbar-nav .nav-link {
    white-space: nowrap;
}

.navbar-dark .navbar-nav .nav-link.active,
.navbar-dark .navbar-nav .nav-link.active:focus {
    background-color: rgba(255, 255, 255, 0.12) !important;
    border-radius: var(--gc-radius-sm);
    color: #fff !important;
}

.breadcrumb {
    font-size: 0.875rem;
}

/* Tab di progetto */
.nav-tabs {
    border-bottom: 1px solid var(--gc-border);
}

.nav-tabs .nav-link {
    color: var(--gc-muted);
    border: none;
    border-bottom: 2px solid transparent;
    font-weight: 500;
}

.nav-tabs .nav-link:hover {
    color: var(--gc-primary);
    border-bottom-color: rgba(var(--gc-primary-rgb), 0.3);
}

.nav-tabs .nav-link.active,
.nav-tabs .nav-item.show .nav-link {
    color: var(--gc-primary);
    background: transparent;
    border-bottom: 2px solid var(--gc-primary);
}

/* ============================================================
   4. PULSANTI E FORM
   ============================================================ */
.btn {
    font-weight: 500;
    border-radius: var(--gc-radius-sm);
}

.btn-primary {
    --bs-btn-bg: var(--gc-primary);
    --bs-btn-border-color: var(--gc-primary);
    --bs-btn-hover-bg: var(--gc-primary-hover);
    --bs-btn-hover-border-color: var(--gc-primary-hover);
    --bs-btn-active-bg: var(--gc-primary-dark);
    --bs-btn-active-border-color: var(--gc-primary-dark);
    --bs-btn-disabled-bg: var(--gc-primary);
    --bs-btn-disabled-border-color: var(--gc-primary);
}

/* Pagine con Bootstrap < 5.3 (senza variabili --bs-btn-*) */
.btn-primary:not(:hover):not(:active) {
    background-color: var(--gc-primary);
    border-color: var(--gc-primary);
}

.btn-primary:hover {
    background-color: var(--gc-primary-hover);
    border-color: var(--gc-primary-hover);
}

.btn-outline-primary {
    --bs-btn-color: var(--gc-primary);
    --bs-btn-border-color: var(--gc-primary);
    --bs-btn-hover-bg: var(--gc-primary);
    --bs-btn-hover-border-color: var(--gc-primary);
    --bs-btn-active-bg: var(--gc-primary-hover);
    --bs-btn-active-border-color: var(--gc-primary-hover);
}

.form-control:focus, .form-select:focus {
    border-color: rgba(var(--gc-primary-rgb), 0.5);
    box-shadow: 0 0 0 0.2rem rgba(var(--gc-primary-rgb), 0.15);
}

.form-check-input:checked {
    background-color: var(--gc-primary);
    border-color: var(--gc-primary);
}

.form-label {
    font-weight: 500;
    color: var(--gc-ink-2);
}

/* ============================================================
   5. SCHEDE
   ============================================================ */
.card {
    border: 1px solid var(--gc-border);
    border-radius: var(--gc-radius);
    box-shadow: var(--gc-shadow);
}

.card.border-0 {
    border: 1px solid var(--gc-border) !important;
}

.card > .card-header:first-child {
    border-top-left-radius: calc(var(--gc-radius) - 1px);
    border-top-right-radius: calc(var(--gc-radius) - 1px);
}

.card-header {
    background-color: var(--gc-surface);
    border-bottom: 1px solid var(--gc-border);
    font-weight: 600;
}

.card-header h5, .card-header .h5 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0;
}

.card-footer {
    background-color: var(--gc-surface-2);
    border-top: 1px solid var(--gc-border);
}

/* Intestazioni colorate (ex gradiente viola): stesso stile ovunque */
.card-header[style*="gc-gradient"],
.card-header[style*="linear-gradient"] {
    border-bottom: none;
}

/* Schede statistiche (Posizione, Panoramica, Misurazioni) */
.stats-card, .stat-card, .metric-card {
    border-radius: var(--gc-radius) !important;
    box-shadow: var(--gc-shadow) !important;
    transition: box-shadow 0.2s ease;
}

.stats-card:hover, .stat-card:hover, .metric-card:hover {
    transform: none !important;
    box-shadow: var(--gc-shadow-hover) !important;
}

.stats-card .text-muted.small, .stat-card .text-muted {
    font-size: 0.8125rem;
    font-weight: 500;
}

/* ============================================================
   6. TABELLE
   ============================================================ */
.table {
    --bs-table-striped-bg: var(--gc-surface-2);
    --bs-table-hover-bg: rgba(var(--gc-primary-rgb), 0.04);
    font-size: 0.875rem;
}

.table > thead > tr > th, .table thead th {
    background-color: var(--gc-surface-2);
    color: var(--gc-muted);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-bottom: 1px solid var(--gc-border);
    white-space: nowrap;
}

/* Tabella "Dati Recenti" della Panoramica: valori leggibili, non giganti */
#recentDataTable td {
    font-size: 0.875rem !important;
    padding-top: 0.5rem !important;
    padding-bottom: 0.5rem !important;
    border-bottom: 1px solid var(--gc-border) !important;
}

#recentDataTable td * {
    font-size: inherit !important;
}

#recentDataTable td small, #recentDataTable td .unit {
    font-size: 0.75rem !important;
    color: var(--gc-muted);
}

/* DataTables (back-office) */
.page-item.active .page-link,
.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--gc-primary) !important;
    border-color: var(--gc-primary) !important;
    color: #fff !important;
}

/* ============================================================
   7. BADGE E STATI
   ============================================================ */
.badge {
    font-weight: 600;
    letter-spacing: 0.01em;
}

.gc-status-online  { background-color: var(--gc-online) !important; color: #fff !important; }
.gc-status-delayed { background-color: var(--gc-delayed) !important; color: var(--gc-ink) !important; }
.gc-status-offline { background-color: var(--gc-offline) !important; color: #fff !important; }
.gc-status-nodata  { background-color: var(--gc-nodata) !important; color: #fff !important; }

.alert {
    border-radius: var(--gc-radius-sm);
    border-width: 1px;
}

/* ============================================================
   8. INTESTAZIONI DI PAGINA
   ============================================================ */
.gc-page-header {
    background: var(--gc-gradient);
    color: #fff;
    border-radius: var(--gc-radius);
    padding: 1.25rem 1.5rem;
}

.gc-page-header h1, .gc-page-header h2, .gc-page-header h3,
.gc-page-header h4, .gc-page-header p {
    color: #fff;
}

/* ============================================================
   9. SMARTPHONE
   ============================================================ */
@media (max-width: 575.98px) {
    .card-body {
        padding: 0.875rem;
    }

    .stats-card h3, .stat-card h3, .stat-value {
        font-size: 1.5rem;
    }

    .nav-tabs .nav-link {
        padding: 0.5rem 0.625rem;
        font-size: 0.875rem;
    }
}

/* Livello "allerta" (AlarmEvaluator::BADGES): Bootstrap non ha uno sfondo arancione */
.bg-orange { background-color: #f97316 !important; }