/* SmallMES Next-Gen — UI ispirata a Flatfull Note Theme */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

/* ─── Variables — Light (default) ────────────────────────────────────────── */
:root {
  /* Struttura pagina */
  --bg:         #f0f3f4;
  --bg2:        #f0f3f4;
  --bg3:        #e8edf0;

  /* Cards / superfici */
  --surface:    #ffffff;
  --surface2:   #f7f9fa;

  /* Sidebar (sempre scura come Note theme) */
  --sidebar-bg:     #2a2f3b;
  --sidebar-text:   #a6b0bc;
  --sidebar-active: #ffffff;
  --sidebar-active-bg: rgba(255,255,255,0.08);
  --sidebar-accent: #23b7e5;
  --sidebar-section:#5a6272;
  --sidebar-border: rgba(255,255,255,0.05);
  --sidebar-hover-bg: rgba(255,255,255,0.06);

  /* Header */
  --header-bg:    #ffffff;
  --header-border:#e5e8eb;

  /* Bordi */
  --border:     #e5e8eb;
  --border2:    #d1d7dd;

  /* Colori brand */
  --cyan:       #23b7e5;
  --cyan-dim:   rgba(35, 183, 229, 0.12);
  --amber:      #f2a654;
  --amber-dim:  rgba(242, 166, 84, 0.12);
  --green:      #27c24c;
  --green-dim:  rgba(39, 194, 76, 0.12);
  --red:        #f05050;
  --red-dim:    rgba(240, 80, 80, 0.12);
  --purple:     #7266ba;
  --purple-dim: rgba(114, 102, 186, 0.12);

  /* Testo */
  --text:       #58666e;
  --text-muted: #98a6ad;
  --text-dark:  #3a3f51;
  --text-dim:   #7a8793;

  /* Tipografia */
  --font-ui:   'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  /* Geometria */
  --radius:    4px;
  --radius-lg: 6px;
  --shadow:    0 1px 4px rgba(0,0,0,0.08);
  --shadow-md: 0 2px 10px rgba(0,0,0,0.10);

  /* ─── Stati macchina/runtime (delta 143) ───────────────────────────────
   * Convenzione unificata in tutto l'applicativo.
   * Per cambiare uno schema basta modificare qui (un unico file).
   * NOTA: --status-alarm è giallo (era arancio); --status-pause è arancio
   * con significato nuovo "feedhold/pausa macchina"; --status-qa è solo
   * per la vista officina, attivato col flag "controllo qualità in attesa".
   */
  --status-running:  #22c55e;   /* verde — CYCLE attivo, in lavorazione */
  --status-idle:     #ef4444;   /* rosso — fermo (online ma fuori ciclo) */
  --status-alarm:    #eab308;   /* giallo — allarme CNC attivo */
  --status-pause:    #f97316;   /* arancio — feedhold / pausa macchina */
  --status-off:      #111111;   /* nero — macchina spenta (M_OFF) */
  --status-unknown:  #9ca3af;   /* grigio — offline (connettore down / VSIM fuori finestra) */
  --status-qa:       #23b7e5;   /* azzurro — controllo qualità in attesa (solo vista officina) */
}

/* ─── Variables — Dark ────────────────────────────────────────────────────── */
html.dark {
  --bg:         #1c2128;
  --bg2:        #1c2128;
  --bg3:        #161b22;

  --surface:    #22272e;
  --surface2:   #2d333b;

  /* Sidebar ancora più scura in dark mode */
  --sidebar-bg:     #161b22;
  --sidebar-text:   #7d8590;
  --sidebar-active: #e6edf3;
  --sidebar-active-bg: rgba(255,255,255,0.06);
  --sidebar-section:#444c56;
  --sidebar-border: rgba(255,255,255,0.04);
  --sidebar-hover-bg: rgba(255,255,255,0.04);

  --header-bg:    #22272e;
  --header-border:#2d333b;

  --border:     #2d333b;
  --border2:    #444c56;

  --cyan:       #23b7e5;
  --cyan-dim:   rgba(35, 183, 229, 0.15);
  --amber:      #f2a654;
  --amber-dim:  rgba(242, 166, 84, 0.15);
  --green:      #27c24c;
  --green-dim:  rgba(39, 194, 76, 0.15);
  --red:        #f05050;
  --red-dim:    rgba(240, 80, 80, 0.15);
  --purple:     #7266ba;
  --purple-dim: rgba(114, 102, 186, 0.15);

  --text:       #adbac7;
  --text-muted: #545d68;
  --text-dark:  #cdd9e5;
  --text-dim:   #768390;

  --shadow:    0 1px 4px rgba(0,0,0,0.3);
  --shadow-md: 0 2px 10px rgba(0,0,0,0.4);

  /* ─── Stati macchina/runtime — Dark (delta 143) ─────────────────────────
   * Tinte leggermente più sature per leggibilità su fondo scuro.
   */
  --status-running:  #4ade80;   /* verde più chiaro */
  --status-idle:     #f87171;   /* rosso più chiaro */
  --status-alarm:    #facc15;   /* giallo brillante */
  --status-pause:    #fb923c;   /* arancio più chiaro */
  --status-off:      #4b5563;   /* "nero" attenuato su dark */
  --status-unknown:  #6b7280;   /* grigio scuro */
  --status-qa:       #38bdf8;   /* azzurro più vivace */
}

/* ─── Reset & Base ───────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

code, kbd, .mono { font-family: var(--font-mono); font-size: 0.88em; }

/* ─── App Shell ──────────────────────────────────────────────────────────── */
:root {
  --sidebar-w: 220px;
  --sidebar-w-collapsed: 64px;
}

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: 56px 1fr;
  grid-template-areas: "sidebar header" "sidebar main";
  min-height: 100vh;
  transition: grid-template-columns 0.22s cubic-bezier(.4,0,.2,1);
}

/* Stato collassato: la colonna sidebar si restringe */
body[data-sidebar="collapsed"] .app-shell {
  grid-template-columns: var(--sidebar-w-collapsed) 1fr;
}

/* ─── Sidebar ────────────────────────────────────────────────────────────── */
.app-sidebar {
  grid-area: sidebar;
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
}

/* Logo in sidebar */
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px;
  height: 56px;
  border-bottom: 1px solid var(--sidebar-border);
  flex-shrink: 0;
}
.sidebar-logo-text {
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.5px;
}
.sidebar-logo-text span { color: var(--sidebar-accent); }
.sidebar-logo-badge {
  font-size: 10px;
  background: var(--sidebar-accent);
  color: #fff;
  padding: 1px 6px;
  border-radius: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* Nav */
.nav-section {
  padding: 18px 20px 6px;
  font-size: 10px;
  font-weight: 700;
  color: var(--sidebar-section);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  color: var(--sidebar-text);
  font-size: 13.5px;
  font-weight: 600;
  transition: all 0.18s ease;
  border-left: 3px solid transparent;
  cursor: pointer;
}
.nav-item:hover {
  background: rgba(251, 191, 36, 0.08);
  color: #fbbf24;
  text-decoration: none;
  border-left-color: #fbbf24;
}
.nav-item:hover .nav-icon {
  color: #fbbf24;
  opacity: 1;
}
.nav-item.active {
  background: rgba(251, 191, 36, 0.14);
  color: #fbbf24;
  border-left-color: #f59e0b;
  border-left-width: 4px;
  padding-left: 19px;     /* compensa il +1px di bordo */
  font-size: 14.5px;      /* leggermente più grande */
  font-weight: 700;
}
.nav-item.active .nav-icon {
  color: #f59e0b;
  opacity: 1;
}

/* Freccetta link esterno (es. Area Tablet) */
.nav-ext-hint {
  opacity: 0.35;
  transition: opacity 0.18s ease;
}
.nav-item:hover .nav-ext-hint {
  opacity: 0.9;
}
.nav-icon {
  width: 18px;
  text-align: center;
  font-size: 14px;
  flex-shrink: 0;
  opacity: 0.8;
}

.nav-divider {
  margin: 8px 20px;
  border: none;
  border-top: 1px solid var(--sidebar-border);
}

/* ─── Header ─────────────────────────────────────────────────────────────── */
.app-header {
  grid-area: header;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 90;
}

.app-logo { display: none; } /* logo è nella sidebar */

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: auto;
}

.header-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
}
.header-breadcrumb .current {
  color: var(--text-dark);
  font-weight: 600;
}

.header-user {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text);
}
.role-badge {
  background: var(--cyan-dim);
  color: var(--cyan);
  border: 1px solid rgba(35,183,229,0.25);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Theme toggle */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border2);
  background: var(--surface2);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 15px;
  transition: all 0.15s;
  text-decoration: none;
}
.theme-toggle:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-dim);
  text-decoration: none;
}

/* ─── Main Content ───────────────────────────────────────────────────────── */
.app-main {
  grid-area: main;
  padding: 24px;
  overflow-y: auto;
  background: var(--bg);
}

/* ─── Page Header ────────────────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.page-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
}
.page-title .title-accent { color: var(--cyan); }

/* ─── Cards / Panels ────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.card-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-dark);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.card > *:not(.card-header):not(.table-wrap) {
  padding: 16px;
}
.card > .table-wrap { padding: 0; }

/* ─── KPI Widgets ────────────────────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 16px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 14px;
}
.kpi-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.kpi-icon svg {
  width: 22px;
  height: 22px;
  stroke-width: 2;
}
.kpi-card.cyan   .kpi-icon { background: var(--cyan-dim);   color: var(--cyan); }
.kpi-card.green  .kpi-icon { background: var(--green-dim);  color: var(--green); }
.kpi-card.amber  .kpi-icon { background: var(--amber-dim);  color: var(--amber); }
.kpi-card.red    .kpi-icon { background: var(--red-dim);    color: var(--red); }
.kpi-card.purple .kpi-icon { background: var(--purple-dim); color: var(--purple); }

.kpi-body {}
.kpi-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1;
  margin-bottom: 2px;
}
.kpi-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

/* ─── Tables ─────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
thead th {
  text-align: left;
  padding: 10px 16px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  border-bottom: 2px solid var(--border);
  background: var(--surface2);
  white-space: nowrap;
}
tbody td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text);
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--surface2); }

/* ─── Badges / Status ────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.badge::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  display: inline-block;
}

.badge.running   { background: var(--green-dim);  color: var(--green); }
.badge.running::before { background: var(--green); animation: dot-pulse 2s infinite; }
.badge.stopped   { background: var(--amber-dim);  color: var(--amber); }
.badge.stopped::before { background: var(--amber); }
.badge.setup     { background: var(--cyan-dim);   color: var(--cyan); }
.badge.setup::before { background: var(--cyan); }
.badge.alarm     { background: var(--red-dim);    color: var(--red); }
.badge.alarm::before { background: var(--red); animation: dot-pulse 1s infinite; }
.badge.offline   { background: var(--surface2);   color: var(--text-muted); border:1px solid var(--border); }
.badge.offline::before { background: var(--text-muted); }
.badge.draft     { background: var(--surface2);   color: var(--text-muted); border:1px solid var(--border); }
.badge.open      { background: var(--cyan-dim);   color: var(--cyan); }
.badge.in_progress{ background: var(--green-dim); color: var(--green); }
.badge.completed { background: var(--purple-dim); color: var(--purple); }
.badge.cancelled { background: var(--red-dim);    color: var(--red); }
.badge.pending   { background: var(--surface2);   color: var(--text-muted); border:1px solid var(--border); }
.badge.active    { background: var(--green-dim);  color: var(--green); }

@keyframes dot-pulse { 0%,100%{opacity:1} 50%{opacity:.3} }

/* ─── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-ui);
  cursor: pointer;
  transition: all 0.15s;
  border: 1px solid transparent;
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.4;
}
.btn:disabled,
.btn[disabled] {
  background: #e5e7eb !important;
  color: #9ca3af !important;
  border-color: #d1d5db !important;
  cursor: not-allowed !important;
  opacity: 0.7;
  pointer-events: auto;
}
.btn:disabled:hover,
.btn[disabled]:hover {
  background: #e5e7eb !important;
  border-color: #d1d5db !important;
}
.btn-primary {
  background: var(--cyan);
  color: #ffffff;
  border-color: var(--cyan);
}
.btn-primary:hover { background: #1aa8d4; border-color:#1aa8d4; text-decoration:none; }
.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border2);
}
.btn-secondary:hover { border-color: var(--cyan); color: var(--cyan); background: var(--cyan-dim); text-decoration:none; }
.btn-danger {
  background: var(--red-dim);
  color: var(--red);
  border-color: rgba(240,80,80,0.25);
}
.btn-danger:hover { background: var(--red); color:#fff; text-decoration:none; }
.btn-success {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-icon { padding: 6px 8px; }

/* ─── Forms ──────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 5px;
}
.form-control {
  width: 100%;
  padding: 8px 12px;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text-dark);
  font-size: 13.5px;
  font-family: var(--font-ui);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}
.form-control:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(35,183,229,0.12);
}
.form-control::placeholder { color: var(--text-muted); }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

/* ─── Flash Messages ─────────────────────────────────────────────────────── */
.flash {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  font-size: 13.5px;
  border: 1px solid;
  font-weight: 600;
}
.flash.success { background: var(--green-dim);  color: var(--green);  border-color: rgba(39,194,76,0.25); }
.flash.error   { background: var(--red-dim);    color: var(--red);    border-color: rgba(240,80,80,0.25); }
.flash.info    { background: var(--cyan-dim);   color: var(--cyan);   border-color: rgba(35,183,229,0.25); }
.flash.warning { background: var(--amber-dim);  color: var(--amber);  border-color: rgba(242,166,84,0.25); }

/* ─── Machine Grid ───────────────────────────────────────────────────────── */
.machine-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
}
.machine-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s;
  border-top: 3px solid var(--border);
}
.machine-card.running  { border-top-color: var(--green); }
.machine-card.alarm    { border-top-color: var(--red); }
.machine-card.stopped  { border-top-color: var(--amber); }
.machine-card.setup    { border-top-color: var(--cyan); }
.machine-card.offline  { border-top-color: var(--border2); opacity: 0.75; }
.machine-card:hover    { box-shadow: var(--shadow-md); }

.machine-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 4px;
}
.machine-program {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-bottom: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.machine-counters {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.machine-counter { text-align: center; }
.machine-counter .val {
  font-size: 20px;
  font-weight: 700;
  color: var(--cyan);
  display: block;
  font-family: var(--font-mono);
}
.machine-counter .lbl {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-weight: 600;
}

/* ─── Login Page ─────────────────────────────────────────────────────────── */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
}
.login-box {
  width: 380px;
  max-width: 95vw;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
}
.login-logo {
  text-align: center;
  margin-bottom: 28px;
}
.login-logo .logo-text {
  font-size: 26px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 1px;
}
.login-logo .logo-text span { color: var(--text-dark); }
.login-logo .logo-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ─── Modal ──────────────────────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}
.modal-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 520px;
  max-width: 95vw;
  max-height: 90vh;
  overflow-y: auto;
  padding: 28px;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.modal-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
}

/* ─── Utility ─────────────────────────────────────────────────────────────── */
.flex        { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-2       { gap: 8px; }
.gap-3       { gap: 12px; }
.gap-4       { gap: 16px; }
.mt-2        { margin-top: 8px; }
.mt-4        { margin-top: 16px; }
.mb-4        { margin-bottom: 16px; }
.ml-auto     { margin-left: auto; }
.text-muted  { color: var(--text-muted); }
.text-dark   { color: var(--text-dark); }
.text-mono   { font-family: var(--font-mono); font-size: 0.9em; }
.text-cyan   { color: var(--cyan); }
.text-green  { color: var(--green); }
.text-red    { color: var(--red); }
.text-amber  { color: var(--amber); }
.text-sm     { font-size: 12px; }
.text-xs     { font-size: 11px; }
.w-full      { width: 100%; }
.fw-600      { font-weight: 600; }
.fw-700      { font-weight: 700; }

/* ─── Scrollbar ──────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-areas: "header" "main";
  }
  .app-sidebar { display: none; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ─────────────────────────────────────────────────────────────────────────
   Aiuto contestuale — pallino "?" con tooltip  (DELTA-252)
   Testi alimentati da Core\HelpRegistry via help_hint(). Hover puro CSS.
   ───────────────────────────────────────────────────────────────────────── */
.help-hint{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  vertical-align:middle;
  margin-left:5px;
  cursor:help;
  outline:none;
}
.help-hint-q{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:15px;height:15px;
  border-radius:50%;
  border:1px solid var(--border2);
  color:var(--text-muted);
  font-family:var(--font-mono);
  font-size:10px;
  font-weight:700;
  line-height:1;
  text-transform:none;
  letter-spacing:0;
  transition:border-color .12s,color .12s;
}
.help-hint:hover .help-hint-q,
.help-hint:focus .help-hint-q{
  border-color:var(--cyan);
  color:var(--cyan);
}
.help-tip{
  position:absolute;
  left:50%;
  bottom:calc(100% + 9px);
  transform:translateX(-50%) translateY(4px);
  width:240px;
  max-width:60vw;
  background:var(--surface);
  color:var(--text-dark);
  border:1px solid var(--cyan);
  border-radius:6px;
  padding:9px 11px;
  font-family:var(--font-sans);
  font-size:12px;
  font-weight:400;
  line-height:1.5;
  text-transform:none;
  letter-spacing:0;
  text-align:left;
  white-space:normal;
  box-shadow:0 4px 14px rgba(0,0,0,.12);
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:opacity .12s,transform .12s,visibility .12s;
  z-index:50;
}
.help-tip::after{
  content:"";
  position:absolute;
  top:100%;
  left:50%;
  transform:translateX(-50%);
  border:6px solid transparent;
  border-top-color:var(--cyan);
}
.help-hint:hover .help-tip,
.help-hint:focus .help-tip{
  opacity:1;
  visibility:visible;
  transform:translateX(-50%) translateY(0);
}
/* In testata di colonna il "?" eredita il colore muted del th: lo riallineo */
th .help-hint{margin-left:4px;}