/* ===== Token di design ===== */
:root {
  --brand: #1c5cab;
  --brand-strong: #104281;
  --brand-soft: #cde2fb;
  --page: #f4f5f7;
  --surface: #ffffff;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --ink-muted: #898781;
  --hairline: #e1e0d9;
  --sidebar-bg: #0f1b2d;
  --sidebar-ink: #b9c3d3;
  --sidebar-active: #1c5cab;
  --topbar-h: 60px;
  --sidebar-w: 248px;
  --sidebar-w-collapsed: 72px;

  /* Status (riservati: sempre accompagnati da icona + etichetta) */
  --st-good: #0ca30c;
  --st-warning: #fab219;
  --st-serious: #ec835a;
  --st-critical: #d03b3b;
  --st-off: #898781;

  /* Serie dati */
  --series-1: #2a78d6;

  --bs-body-font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --bs-primary: var(--brand);
  --bs-primary-rgb: 28, 92, 171;
  --bs-link-color: var(--brand);
  --bs-link-color-rgb: 28, 92, 171;
}

body {
  background: var(--page);
  color: var(--ink);
  font-family: var(--bs-body-font-family);
}

.btn-primary {
  --bs-btn-bg: var(--brand);
  --bs-btn-border-color: var(--brand);
  --bs-btn-hover-bg: var(--brand-strong);
  --bs-btn-hover-border-color: var(--brand-strong);
  --bs-btn-active-bg: var(--brand-strong);
  --bs-btn-disabled-bg: var(--brand);
  --bs-btn-disabled-border-color: var(--brand);
}
.btn-outline-primary {
  --bs-btn-color: var(--brand);
  --bs-btn-border-color: var(--brand);
  --bs-btn-hover-bg: var(--brand);
  --bs-btn-hover-border-color: var(--brand);
  --bs-btn-active-bg: var(--brand-strong);
}
.form-control:focus, .form-select:focus {
  border-color: #86b6ef;
  box-shadow: 0 0 0 .2rem rgba(42, 120, 214, .2);
}

/* ===== Login ===== */
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 16px;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(42,120,214,.18), transparent 60%),
    radial-gradient(900px 500px at 110% 110%, rgba(16,66,129,.22), transparent 60%),
    var(--page);
}
.login-card {
  width: 100%;
  max-width: 400px;
  border: 1px solid var(--hairline);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: 0 12px 40px rgba(15, 27, 45, .08);
}
.login-card .brand-mark { width: 44px; height: 44px; }

/* ===== Shell ===== */
.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--topbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  z-index: 1030;
}
.topbar .brand { display: flex; align-items: center; gap: 10px; font-weight: 650; color: var(--ink); text-decoration: none; }
.topbar .brand small { color: var(--ink-muted); font-weight: 500; }
.topbar .brand-mark { width: 32px; height: 32px; }
.icon-btn {
  border: 0; background: transparent; width: 38px; height: 38px; border-radius: 8px;
  display: inline-grid; place-items: center; color: var(--ink-2); font-size: 1.25rem;
}
.icon-btn:hover { background: #eef1f5; }

.ws-status {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .8rem; font-weight: 600; padding: 4px 10px; border-radius: 999px;
  border: 1px solid var(--hairline); color: var(--ink-2); background: #fafafa;
}
.ws-status .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--st-off); }
.ws-status.online { color: #006300; border-color: rgba(12,163,12,.35); background: rgba(12,163,12,.07); }
.ws-status.online .dot { background: var(--st-good); box-shadow: 0 0 0 3px rgba(12,163,12,.2); }
.ws-status.connecting .dot { background: var(--st-warning); }
.ws-status.offline { color: #a12a2a; border-color: rgba(208,59,59,.35); background: rgba(208,59,59,.06); }
.ws-status.offline .dot { background: var(--st-critical); }

.user-chip { display: flex; align-items: center; gap: 8px; }
.avatar {
  width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand-strong); font-weight: 700; font-size: .9rem;
}

.sidebar {
  position: fixed;
  top: var(--topbar-h); bottom: 0; left: 0;
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  color: var(--sidebar-ink);
  padding: 14px 10px;
  overflow-y: auto;
  transition: width .2s ease, transform .2s ease;
  z-index: 1020;
}
.sidebar .nav-section { font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: #6c7a90; padding: 8px 12px; }
.sidebar .nav-link {
  display: flex; align-items: center; gap: 12px;
  color: var(--sidebar-ink); border-radius: 8px; padding: 10px 12px; margin-bottom: 2px;
  white-space: nowrap; font-weight: 500; font-size: .95rem;
}
.sidebar .nav-link i { font-size: 1.15rem; width: 24px; text-align: center; flex: none; }
.sidebar .nav-link:hover { background: rgba(255,255,255,.06); color: #fff; }
.sidebar .nav-link.active { background: var(--sidebar-active); color: #fff; }

.main {
  margin-left: var(--sidebar-w);
  padding: calc(var(--topbar-h) + 24px) 24px 32px;
  transition: margin-left .2s ease;
  min-height: 100vh;
}

/* Sidebar compressa (desktop) */
body.sidebar-collapsed .sidebar { width: var(--sidebar-w-collapsed); }
body.sidebar-collapsed .sidebar .nav-link span,
body.sidebar-collapsed .sidebar .nav-section { display: none; }
body.sidebar-collapsed .sidebar .nav-link { justify-content: center; }
body.sidebar-collapsed .main { margin-left: var(--sidebar-w-collapsed); }

/* Loader di pagina: copre l'area contenuti (non topbar e sidebar) durante il cambio di vista */
.page-loader {
  position: fixed; top: var(--topbar-h); right: 0; bottom: 0; left: var(--sidebar-w); z-index: 1030;
  display: grid; place-items: center; background: rgba(244, 245, 247, .72); backdrop-filter: blur(1.5px);
  transition: left .2s ease;
}
.page-loader[hidden] { display: none; }
.page-loader-box { display: flex; flex-direction: column; align-items: center; padding: 18px 26px; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--hairline); box-shadow: 0 6px 20px rgba(16, 24, 40, .08); }
.page-loader .spinner-border { width: 2.2rem; height: 2.2rem; }
body.sidebar-collapsed .page-loader { left: var(--sidebar-w-collapsed); }
@media (max-width: 991.98px) { .page-loader, body.sidebar-collapsed .page-loader { left: 0; } }

.sidebar-backdrop { display: none; }

/* Mobile: sidebar a scomparsa sopra il contenuto */
@media (max-width: 991.98px) {
  .sidebar { transform: translateX(-100%); width: var(--sidebar-w) !important; }
  body.sidebar-open .sidebar { transform: none; }
  body.sidebar-open .sidebar-backdrop {
    display: block; position: fixed; inset: var(--topbar-h) 0 0 0; background: rgba(15,27,45,.4); z-index: 1010;
  }
  body.sidebar-collapsed .sidebar .nav-link span,
  body.sidebar-collapsed .sidebar .nav-section { display: initial; }
  body.sidebar-collapsed .sidebar .nav-link { justify-content: flex-start; }
  .main, body.sidebar-collapsed .main { margin-left: 0; padding: calc(var(--topbar-h) + 16px) 16px 24px; }
  .topbar .brand small, .user-chip .user-name { display: none; }
}

/* ===== Contenuto ===== */
.page-header { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 12px; margin-bottom: 20px; }
.page-header h1 { font-size: 1.45rem; font-weight: 650; margin: 0; }
.page-header p { color: var(--ink-2); margin: 2px 0 0; }

.card-x {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 12px;
}
.card-x > .card-x-header { padding: 14px 18px; border-bottom: 1px solid var(--hairline); display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.card-x > .card-x-header h2 { font-size: 1rem; font-weight: 650; margin: 0; }
.card-x > .card-x-body { padding: 18px; }

.stat-tile { padding: 16px 18px; height: 100%; }
.stat-tile .label { color: var(--ink-2); font-size: .85rem; display: flex; align-items: center; gap: 6px; }
.stat-tile .value { font-size: 1.85rem; font-weight: 650; line-height: 1.15; margin-top: 6px; }
.stat-tile .value small { font-size: .95rem; font-weight: 500; color: var(--ink-2); }
.stat-tile .hint { color: var(--ink-muted); font-size: .8rem; margin-top: 2px; }

.status-pill {
  display: inline-flex; align-items: center; gap: 5px; font-size: .78rem; font-weight: 600;
  padding: 3px 9px; border-radius: 999px; white-space: nowrap; color: var(--ink);
  background: #f1f2f4; border: 1px solid var(--hairline);
}
.status-pill i { font-size: .85rem; }
.status-pill.ONLINE i { color: var(--st-good); }
.status-pill.ALARM { background: rgba(208,59,59,.08); border-color: rgba(208,59,59,.3); }
.status-pill.ALARM i { color: var(--st-critical); }
.status-pill.MAINTENANCE i { color: #b07a00; }
.status-pill.OFFLINE i { color: var(--st-off); }

.machine-card { padding: 16px; height: 100%; display: flex; flex-direction: column; gap: 10px; }
.machine-card .code { font-weight: 700; }
.machine-card .meta { color: var(--ink-2); font-size: .85rem; }
.eff-bar { height: 6px; background: #eef0f3; border-radius: 4px; overflow: hidden; }
.eff-bar > div { height: 100%; background: var(--series-1); border-radius: 4px; }

.table-x { margin: 0; font-size: .9rem; }
.table-x th { font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-2); font-weight: 600; border-bottom-color: var(--hairline); white-space: nowrap; }
.table-x td { vertical-align: middle; border-color: #efeee9; }
.table-x .num { text-align: right; font-variant-numeric: tabular-nums; }

/* Telemetria */
.gauge { position: relative; max-width: 240px; margin: 0 auto; }
.gauge canvas { width: 100% !important; height: auto !important; }
.gauge .gauge-value { position: absolute; left: 0; right: 0; bottom: 4px; text-align: center; }
.gauge .gauge-value strong { display: block; font-size: 1.6rem; font-weight: 650; line-height: 1.1; }
.gauge .gauge-value span { color: var(--ink-2); font-size: .8rem; }
.gauge-scale { display: flex; justify-content: space-between; color: var(--ink-muted); font-size: .75rem; max-width: 240px; margin: 2px auto 0; }
.chart-box { position: relative; height: 180px; }
.chart-box-lg { position: relative; height: 300px; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--st-good); display: inline-block; animation: pulse 1.4s infinite; }
@keyframes pulse { 0%{ box-shadow: 0 0 0 0 rgba(12,163,12,.45);} 70%{ box-shadow: 0 0 0 8px rgba(12,163,12,0);} 100%{ box-shadow: 0 0 0 0 rgba(12,163,12,0);} }

/* Mappa */
#machine-map { height: calc(100vh - var(--topbar-h) - 190px); min-height: 380px; border-radius: 0 0 12px 12px; }
.map-marker {
  width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center;
  color: #fff; border: 2px solid #fff; box-shadow: 0 2px 6px rgba(0,0,0,.35); font-size: .85rem;
}
.map-marker.ONLINE { background: var(--st-good); }
.map-marker.ALARM { background: var(--st-critical); }
.map-marker.MAINTENANCE { background: #c98500; }
.map-marker.OFFLINE { background: var(--st-off); }

.param-input { max-width: 160px; }
.param-row.changed { background: rgba(42,120,214,.06); }

.loading-state { display: grid; place-items: center; min-height: 240px; color: var(--ink-muted); }
.toast-container { z-index: 1090; }