/* =====================================================================
   GMAO Lite · PWA técnicos — mobile-first
   ===================================================================== */
:root{
  --azul:#3b82f6; --azul-hover:#2563eb; --azul-soft:#eef4ff;
  --naranja:#f97316; --naranja-soft:#fff3ea;
  --verde:#16a34a; --verde-soft:#e9f7ef; --rojo:#dc2626; --rojo-soft:#fdecec;
  --amarillo:#f59e0b; --amarillo-soft:#fef6e7; --morado-soft:#f1edff;
  --bg:#f5f7fa; --surface:#fff; --border:#e8ecf1; --border-2:#eef1f5;
  --texto:#1f2937; --texto-muted:#6b7280; --radio:14px;
  --sombra:0 1px 3px rgba(16,24,40,.08); --topbar-h:56px; --tabbar-h:60px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  background:var(--bg); color:var(--texto); font-size:15px; line-height:1.45;
  -webkit-font-smoothing:antialiased; padding-bottom:calc(var(--tabbar-h) + env(safe-area-inset-bottom));
}
a{color:var(--azul);text-decoration:none}

/* Barra superior */
.topbar{
  position:sticky;top:0;z-index:30;height:var(--topbar-h);background:var(--azul);color:#fff;
  display:flex;align-items:center;gap:.6rem;padding:0 .9rem;
  padding-top:env(safe-area-inset-top); box-shadow:var(--sombra);
}
.topbar .title{font-weight:700;font-size:1.05rem;flex:1 1 auto;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar .ic-btn{width:40px;height:40px;border:none;background:transparent;color:#fff;border-radius:10px;
  display:grid;place-items:center;font-size:1.3rem;cursor:pointer}
.topbar .ic-btn:active{background:rgba(255,255,255,.15)}
.topbar a.ic-btn{color:#fff}

/* Contenido */
.wrap{padding:.9rem}
.muted{color:var(--texto-muted)}
.small{font-size:.82rem}

/* Indicador de sincronización (topbar) */
.sync-badge{border:none;border-radius:999px;padding:.25rem .6rem;font-size:.78rem;font-weight:700;
  display:inline-flex;align-items:center;color:#fff;cursor:pointer}
.sync-badge.pend{background:rgba(255,255,255,.22)}
.sync-badge.on{background:rgba(255,255,255,.22)}
.sync-badge.off{background:#b7791f}
.sync-badge.err{background:#dc2626}
.sync-badge .spin{display:inline-block;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.pendiente{opacity:.65}
.pend-tag{font-size:.68rem;color:#b7791f;font-weight:600}

/* Aviso offline */
.netbar{display:none;background:var(--amarillo-soft);color:#8a5a00;text-align:center;
  font-size:.82rem;padding:.4rem;border-bottom:1px solid #f0e0b8}
body.offline .netbar{display:block}

/* Chips de filtro */
.chips{display:flex;gap:.4rem;overflow-x:auto;padding:.2rem 0 .6rem}
.chip{white-space:nowrap;padding:.4rem .8rem;border-radius:999px;background:var(--surface);
  border:1px solid var(--border);color:var(--texto-muted);font-size:.85rem;font-weight:550}
.chip.active{background:var(--azul);border-color:var(--azul);color:#fff}
.chip .n{opacity:.8;margin-left:.25rem}

/* Tarjetas de parte */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radio);
  box-shadow:var(--sombra);margin-bottom:.7rem;overflow:hidden}
.card .body{padding:.85rem 1rem;display:block}
.card .row1{display:flex;align-items:center;gap:.5rem}
.card .cod{font-weight:700}
.card .cli{font-weight:600;margin-top:.15rem}
.card .sub{color:var(--texto-muted);font-size:.85rem;margin-top:.15rem}
.card .spacer{flex:1 1 auto}
.card:active{background:#fafbfe}

/* Badges */
.badge{display:inline-flex;align-items:center;gap:.25rem;padding:.15rem .55rem;border-radius:999px;
  font-size:.72rem;font-weight:600}
.b-gray{background:#eef1f5;color:#667085}.b-blue{background:var(--azul-soft);color:var(--azul-hover)}
.b-amber{background:var(--amarillo-soft);color:#b7791f}.b-orange{background:var(--naranja-soft);color:#c2560a}
.b-green{background:var(--verde-soft);color:#12813c}.b-red{background:var(--rojo-soft);color:#b91c1c}
.b-purple{background:var(--morado-soft);color:#7c5cff}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;border:none;border-radius:12px;
  padding:.8rem 1rem;font-size:1rem;font-weight:600;cursor:pointer;width:100%}
.btn-primary{background:var(--azul);color:#fff}
.btn-primary:active{background:var(--azul-hover)}
.btn-orange{background:var(--naranja);color:#fff}
.btn-light{background:var(--surface);border:1px solid var(--border);color:var(--texto)}
.btn-sm{padding:.55rem .8rem;font-size:.9rem;width:auto}
.btn-block{width:100%}

/* FAB */
.fab{position:fixed;right:1rem;bottom:calc(var(--tabbar-h) + env(safe-area-inset-bottom) + .8rem);
  width:56px;height:56px;border-radius:50%;background:var(--azul);color:#fff;border:none;
  display:grid;place-items:center;font-size:1.6rem;box-shadow:0 6px 16px rgba(59,130,246,.45);z-index:25}

/* Barra inferior de navegación */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:30;height:var(--tabbar-h);background:var(--surface);
  border-top:1px solid var(--border);display:flex;padding-bottom:env(safe-area-inset-bottom)}
.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.1rem;
  color:var(--texto-muted);font-size:.7rem;font-weight:600}
.tabbar a .bi{font-size:1.3rem}
.tabbar a.active{color:var(--azul)}

/* Formularios */
.field{margin-bottom:.9rem}
.field label{display:block;font-weight:600;font-size:.85rem;margin-bottom:.3rem}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--border);border-radius:10px;
  padding:.7rem .8rem;font-size:1rem;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--azul);
  box-shadow:0 0 0 3px var(--azul-soft)}

/* Secciones ficha */
.sec-title{font-weight:700;font-size:.95rem;margin:1.1rem 0 .5rem;display:flex;align-items:center;gap:.4rem}
.kv{display:flex;justify-content:space-between;padding:.35rem 0;border-bottom:1px solid var(--border-2)}
.kv .k{color:var(--texto-muted)}
.kv:last-child{border-bottom:none}

/* Login */
.login{min-height:100vh;display:grid;place-items:center;padding:1.5rem;background:var(--bg)}
.login .box{width:100%;max-width:360px}
.brand{display:flex;align-items:center;gap:.6rem;justify-content:center;margin-bottom:1.2rem}
.brand .logo{width:44px;height:44px;border-radius:12px;background:var(--azul);color:#fff;display:grid;place-items:center;font-size:1.4rem}
.brand .txt{font-weight:800;font-size:1.3rem}
.brand .txt .lite{color:var(--naranja)}

/* Galería fotos */
.fotos{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem}
.fotos .item{position:relative;aspect-ratio:1;border-radius:10px;overflow:hidden;border:1px solid var(--border)}
.fotos .item img{width:100%;height:100%;object-fit:cover}
.fotos .item .del{position:absolute;top:3px;right:3px;background:rgba(255,255,255,.9);border:none;border-radius:8px;
  width:26px;height:26px;color:var(--rojo);display:grid;place-items:center}
.foto-add{border:1.5px dashed var(--border);border-radius:10px;aspect-ratio:1;display:grid;place-items:center;
  color:var(--texto-muted);cursor:pointer}

/* Canvas firma */
canvas.firma{border:1px solid var(--border);border-radius:12px;background:#fff;touch-action:none;width:100%;height:200px;display:block}
/* La firma se muestra SIEMPRE en una caja acotada (nunca desborda aunque el
   fichero sea mayor de lo esperado): alto máx. fijo y ajuste por contención. */
.firma-holder{max-width:100%}
.firma-img{display:block;max-width:100%;max-height:150px;width:auto;height:auto;object-fit:contain;
  border:1px solid var(--border);border-radius:10px;background:#fff}

/* Toast */
.toastbox{position:fixed;left:0;right:0;bottom:calc(var(--tabbar-h) + 1rem);display:flex;justify-content:center;z-index:1090;pointer-events:none}
.toast{background:#111827;color:#fff;padding:.6rem 1rem;border-radius:10px;font-size:.9rem;opacity:.96;max-width:90%}
.toast.err{background:var(--rojo)}
.toast.ok{background:var(--verde)}

/* Vacío */
.empty{text-align:center;color:var(--texto-muted);padding:2.5rem 1rem}
.empty .bi{font-size:2rem;opacity:.4;display:block;margin-bottom:.5rem}

.modal-sheet{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:1080;display:none;align-items:flex-end}
.modal-sheet.open{display:flex}
.modal-sheet .sheet{background:#fff;width:100%;border-radius:18px 18px 0 0;padding:1rem 1rem calc(1rem + env(safe-area-inset-bottom));max-height:92vh;overflow:auto}
.sheet h3{margin:.2rem 0 1rem;font-size:1.05rem}