:root {
  --amber: #f59e0b;
  --amber-dark: #b45309;
  --slate-900: #0f172a;
  --slate-700: #334155;
  --bg: #f8fafc;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --danger: #dc2626;
  --ok: #059669;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-tap-highlight-color: transparent;
}
.oculto { display: none !important; }

/* Barra superior */
.topbar {
  background: var(--slate-900);
  color: #fff;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar .marca { font-weight: 800; font-size: 17px; }
.topbar .marca span { color: var(--amber); }
.topbar .estado-red {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
  background: #1e293b;
  color: #94a3b8;
}
.topbar .estado-red.online { background: #052e1f; color: #34d399; }
.topbar .estado-red.offline { background: #3f1d1d; color: #f87171; }
.topbar button.link { background: none; border: none; color: #cbd5e1; font-size: 13px; }

main { padding: 16px; max-width: 640px; margin: 0 auto; padding-bottom: 90px; }

/* Login */
.login-wrap { min-height: 80vh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 24px; }
.login-wrap .marca { color: #fff; font-size: 26px; font-weight: 800; margin-bottom: 24px; }
.login-wrap .marca span { color: var(--amber); }
.card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 20px; }
input, select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px;
  font-size: 15px; font-family: inherit; background: #fff; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--amber); border-color: var(--amber); }
label { display: block; font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; margin-bottom: 4px; }
.campo { margin-bottom: 14px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  background: var(--amber); color: var(--slate-900); font-weight: 700; font-size: 15px;
  border: none; border-radius: 10px; padding: 12px 18px; width: 100%; cursor: pointer;
}
.btn:active { background: var(--amber-dark); }
.btn.secundario { background: #fff; color: var(--slate-900); border: 1px solid var(--border); }
.btn.chico { width: auto; padding: 8px 14px; font-size: 13px; }
.error-msg { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; border-radius: 10px; padding: 10px 12px; font-size: 13px; margin-bottom: 14px; }

/* Lista de plantillas / ejecuciones */
.item-lista {
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 16px; margin-bottom: 10px; display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.item-lista .titulo { font-weight: 600; font-size: 15px; }
.item-lista .subtitulo { font-size: 12px; color: var(--muted); margin-top: 2px; }
.badge { font-size: 11px; font-weight: 700; padding: 3px 8px; border-radius: 999px; white-space: nowrap; }
.badge.pendiente { background: #fffbeb; color: var(--amber-dark); }
.badge.ok { background: #ecfdf5; color: var(--ok); }
.seccion-titulo { font-size: 12px; font-weight: 700; text-transform: uppercase; color: var(--muted); margin: 20px 0 8px; }

/* Ejecución de checklist */
.pregunta-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 14px; margin-bottom: 12px; }
.pregunta-card .texto { font-weight: 600; font-size: 15px; margin-bottom: 10px; }
.pregunta-card .obligatoria-marca { color: var(--danger); }
.opciones { display: flex; flex-wrap: wrap; gap: 8px; }
.opciones label {
  display: flex; align-items: center; gap: 6px; border: 1px solid var(--border); border-radius: 999px;
  padding: 8px 14px; font-size: 14px; font-weight: 500; text-transform: none; color: var(--text); cursor: pointer;
}
.opciones input:checked + span, .opciones label:has(input:checked) { color: var(--amber-dark); border-color: var(--amber); }
.opciones label:has(input:checked) { background: #fffbeb; border-color: var(--amber); }

.foto-preview { width: 90px; height: 90px; object-fit: cover; border-radius: 10px; border: 1px solid var(--border); margin-top: 8px; }
canvas.firma-canvas { width: 100%; height: 160px; border: 1px dashed var(--border); border-radius: 10px; touch-action: none; background: #fff; }

.tabla-repetible { width: 100%; border-collapse: collapse; font-size: 13px; }
.tabla-repetible th, .tabla-repetible td { border: 1px solid var(--border); padding: 6px; }
.tabla-repetible input { padding: 6px; font-size: 13px; }

/* Barra inferior fija de acciones */
.barra-inferior {
  position: fixed; bottom: 0; left: 0; right: 0; background: #fff; border-top: 1px solid var(--border);
  padding: 10px 16px; display: flex; gap: 10px; z-index: 10;
}
.barra-inferior .btn { flex: 1; }

.centro-vacio { text-align: center; color: var(--muted); padding: 40px 20px; font-size: 14px; }