:root{
  --ui-zoom:1;
  --ui-scale:1;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}
*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; background:#fff; }
.app-header{
  display:flex; align-items:center; justify-content:space-between;
  padding:10px 14px; border-bottom:1px solid #e5e7eb; background:#fff;
  position:sticky; top:0; z-index:100;
}
.app-header h1{ margin:0; font-size:18px; }
.ver{ margin-left:6px; font-weight:600; color:#6b7280; font-size:12px; }
.actions{ display:flex; gap:8px; align-items:center; flex-wrap:wrap; }
.actions button{ padding:6px 10px; }
.actions .danger{ background:#c1121f; color:#fff; border:none; }
.ui-controls{ display:flex; gap:8px; align-items:center; font-size:12px; }
.scale-target{ zoom: var(--ui-zoom); }
@supports not (zoom: 1){
  .scale-target{ transform: scale(var(--ui-scale)); transform-origin: top left; }
}
.section-container{ padding:10px 14px; }
.section-container h2{ margin:0 0 8px 0; font-size:16px; }
.numpad-display{ height:40px; border:1px solid #dfe3e6; display:flex; align-items:center; justify-content:center; font-size:20px; letter-spacing:2px; background:#fff; }
.numpad-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap:6px; margin-top:6px; }
.numpad-grid button{ padding:12px; font-size:18px; }
.numpad-key-special{ background:#e9ecef; }
.scroll-list{ max-height:55vh; overflow:auto; border:1px solid #eef1f4; padding:6px; border-radius:6px; background:#fff; }
.list-item{ display:flex; justify-content:space-between; align-items:center; gap:10px; padding:8px; border:1px solid #e9ecef; border-radius:8px; background:#fff; }
.list-item-main{ cursor:pointer; }
.list-item-actions{ display:flex; align-items:center; gap:8px; }
.alert-btn{ width:28px; height:28px; border:1px solid #c1121f; color:#c1121f; background:#fff; border-radius:6px; font-weight:700; }
.alert-btn.on{ background:#c1121f; color:#fff; }
.pitlane-grid{ display:grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap:10px; }
.lane{ border:1px solid #e9ecef; border-radius:8px; background:#fff; }
.lane-title{ padding:6px 10px; border-bottom:1px solid #e9ecef; font-weight:700; }
.kart-in-lane{ display:flex; justify-content:space-between; align-items:center; padding:8px 10px; border-bottom:1px dashed #f1f3f5; }
.kart-remove-btn{ border:none; background:#f8d7da; color:#842029; padding:6px 8px; border-radius:6px; }
.kart-quality{ padding:2px 6px; border-radius:999px; font-size:12px; margin-left:6px; }
.qualita-sconosciuto{ background:#eceff1; }
.qualita-ottimo{ background:#d1e7dd; }
.qualita-buono{ background:#e2f0d9; }
.qualita-medio{ background:#fff3cd; }
.qualita-lento{ background:#ffe5b4; }
.qualita-problematico{ background:#f8d7da; }
.modal-overlay{ position:fixed; inset:0; background:rgba(0,0,0,.35); display:none; align-items:center; justify-content:center; padding:16px; z-index:1000; }
.modal-overlay.show{ display:flex; }
.modal-overlay.hidden{ display:none; }
.modal-content{ background:#fff; padding:16px; border-radius:10px; width:min(900px, 95vw); max-height:90vh; overflow:auto; }
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.grid-2 textarea, .grid-2 input{ width:100%; }
.csv-row{ display:flex; gap:8px; align-items:center; flex-wrap:wrap; }
.setup-actions{ margin-top:12px; display:flex; gap:8px; align-items:center; }
.section-ontrack #on-track-list{ display:grid; grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); gap:8px; }
@media(min-width:1200px){ .section-ontrack #on-track-list{ grid-template-columns: repeat(2, minmax(360px, 1fr)); } }
@media(min-width:1600px){ .section-ontrack #on-track-list{ grid-template-columns: repeat(3, minmax(360px, 1fr)); } }
.lane-buttons{ display:flex; flex-wrap:wrap; gap:10px; }
.lane-buttons button{ padding:12px 18px; border-radius:999px; font-weight:800; min-width:140px; border:1px solid transparent; }
.section-queue #work-queue-list{ display:grid; gap:14px; }
.work-item{ display:flex; justify-content:space-between; align-items:center; padding:18px 16px; font-size:20px; border-radius:12px; background:#f8fafc; border:2px solid #cbd5e1; }
.work-item-remove{ padding:10px 12px; font-size:16px; border-radius:8px; background:#fee2e2; color:#991b1b; border:1px solid #fecaca; }
.welcome-content{ border:1px dashed #cbd5e1; background:#f8fafc; border-radius:8px; padding:14px; }


/* v7.1 - Gestione utenti */
.users-modal-content{ width:min(1180px,97vw); }
.create-user-form{ display:grid; grid-template-columns:1.2fr 1fr 1.5fr auto; gap:8px; margin-bottom:10px; }
.create-user-form input,.create-user-form select,.create-user-form button{ padding:9px; }
.users-note{ color:#6b7280; font-size:13px; }
.user-table-wrap{ overflow:auto; margin:10px 0 16px; }
.user-table{ width:100%; border-collapse:collapse; min-width:850px; }
.user-table th,.user-table td{ padding:8px; border-bottom:1px solid #e5e7eb; text-align:left; vertical-align:middle; }
.user-table th{ background:#f8fafc; position:sticky; top:0; }
.user-table select{ padding:6px; }
.user-actions{ display:flex; gap:6px; flex-wrap:wrap; }
.user-actions button{ padding:6px 8px; }
.user-active{ color:#146c43; font-weight:700; }
.user-disabled{ color:#842029; font-weight:700; }
.danger-mini{ background:#fee2e2; color:#991b1b; border:1px solid #fecaca; border-radius:4px; }
@media(max-width:800px){
  .create-user-form{ grid-template-columns:1fr; }
}


/* Gestione Pit Live v0.2 */
.section-apex-inbox{border:2px solid #f0ad4e;background:#fff8e8}
.apex-work-item{border-left:5px solid #f0ad4e}
.apex-accept{background:#198754!important;color:white!important;border-color:#198754!important}
.apex-dismiss{background:#6c757d!important;color:white!important;border-color:#6c757d!important}


/* Gestione Pit Live v0.4 - timing analytics */
.team-main-click{cursor:pointer;font-weight:700}.team-main-click:hover,.kart-main-click:hover{text-decoration:underline}
.timing-summary-cards{display:grid;grid-template-columns:repeat(5,minmax(90px,1fr));gap:8px;margin:8px 0 14px}.timing-summary-cards>div{background:#f7f8fa;border:1px solid #dfe3e6;border-radius:8px;padding:8px}.timing-summary-cards small{display:block;color:#6c757d}.timing-summary-cards strong{display:block;font-size:18px;margin-top:3px;font-variant-numeric:tabular-nums}.timing-table{width:100%;border-collapse:collapse;font-size:13px}.timing-table th,.timing-table td{padding:7px 8px;border-bottom:1px solid #e2e5e9;text-align:left}.timing-table th{background:#f5f6f8}.timing-tabs{display:flex;gap:6px;margin:8px 0}.timing-tab.active{font-weight:800;box-shadow:inset 0 -2px 0 currentColor}
@media(max-width:800px){.timing-summary-cards{grid-template-columns:repeat(2,1fr)}.timing-table{font-size:12px}}

/* === Gestione Pit Live v0.5 === */
.stint-list{display:flex;flex-direction:column;gap:8px;margin-top:10px}
.stint-card{border:1px solid #d9dee3;border-radius:10px;background:#fff;overflow:hidden}
.stint-card>summary{list-style:none;display:grid;grid-template-columns:auto auto minmax(120px,1fr) repeat(3,auto);gap:10px;align-items:center;padding:10px 12px;cursor:pointer}
.stint-card>summary::-webkit-details-marker{display:none}
.stint-card[open] .stint-arrow{transform:rotate(90deg)}
.stint-arrow{display:inline-block;transition:transform .15s ease}
.stint-laps-wrap{padding:0 10px 10px;overflow:auto}
.stats-note{font-size:12px;color:#667085;margin:8px 0 10px}
.rest-between{margin:8px 12px;padding:7px 10px;border-radius:8px;background:#f7f8fa;font-size:13px}
.lap-excluded{opacity:.55;text-decoration:line-through}
.kart-link-btn{border:0;background:transparent;padding:0;color:#0b57d0;text-decoration:underline;cursor:pointer;font:inherit;font-weight:700}
.quality-quick-select{min-width:48px;max-width:132px;font-weight:700;padding:3px 4px;cursor:pointer}
.kart-info-wrapper.kart-main-click:hover{filter:brightness(.97);text-decoration:underline}
@media(max-width:800px){.stint-card>summary{grid-template-columns:auto auto 1fr;}.stint-card>summary span:nth-of-type(n+3){font-size:12px}}