:root{
  --azul:#1f4e8c; --azul-2:#163a69; --fondo:#f3f5f9; --borde:#dfe4ec; --amarillo:#fff6cc;
}
body{background:var(--fondo);font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:#1f2937}
.mono{font-family:ui-monospace,Consolas,monospace;letter-spacing:.02em}

/* navegación */
.app-nav{background:var(--azul)}
.app-nav .navbar-brand,.app-nav .nav-link,.app-nav .navbar-text{color:#fff}
.app-nav .nav-link{opacity:.8}
.app-nav .nav-link:hover,.app-nav .nav-link.active{opacity:1}
.app-nav .nav-link.active{border-bottom:2px solid #fff}
.app-nav .navbar-toggler{border-color:rgba(255,255,255,.5)}
.app-nav .navbar-toggler-icon{filter:invert(1)}
.badge-ocr{font-size:.65rem;background:#ffd54a;color:#3b2f00;border-radius:4px;padding:2px 5px;vertical-align:middle}

/* login */
.login-bg{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--azul),#0f2747)}
.login-card{background:#fff;border-radius:14px;padding:32px;width:100%;max-width:380px;box-shadow:0 20px 50px rgba(0,0,0,.25);margin:16px}

/* tarjetas */
.card{border:1px solid var(--borde);border-radius:12px;box-shadow:0 1px 3px rgba(16,24,40,.05)}
.card-header{background:#fff;border-bottom:1px solid var(--borde);border-radius:12px 12px 0 0!important;padding:.8rem 1rem}
.paso-num{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--azul);color:#fff;font-weight:700;font-size:.9rem}
.form-label{font-size:.8rem;font-weight:600;color:#4b5563;margin-bottom:.2rem}

/* zonas para soltar imágenes */
.drop{display:block;position:relative;border:2px dashed #b8c2d3;border-radius:10px;background:#fafbfd;cursor:pointer;
  aspect-ratio:1.586/1;overflow:hidden;transition:.15s;margin:0}
.drop:hover,.drop.sobre{border-color:var(--azul);background:#eef3fb}
.drop-vacio{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:#64748b;text-align:center;padding:8px}
.drop-vacio i{font-size:1.8rem;color:var(--azul)}
.drop-vacio small{font-size:.72rem}
.drop img{width:100%;height:100%;object-fit:contain;background:#222}
.drop.con-imagen{border-style:solid;border-color:#9fb2cf}

.ocr-raw{max-height:220px;overflow:auto;background:#0f172a;color:#cbd5e1;padding:8px;border-radius:6px;font-size:.72rem;white-space:pre-wrap}
.marca-ocr{background-color:var(--amarillo)!important;border-color:#e6c84f!important}
.marca-bd{background-color:#e8f1ff!important;border-color:#9dbcf0!important}

.ant-box{background:#fffbeb;border:1px solid #fde68a;border-radius:10px;padding:12px;margin:6px 0 0}

.barra-final{position:sticky;bottom:0;z-index:10;display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;align-items:center;
  background:rgba(243,245,249,.95);backdrop-filter:blur(4px);padding:12px 0;border-top:1px solid var(--borde)}

/* inicio */
.hero{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;background:linear-gradient(120deg,var(--azul),var(--azul-2));color:#fff;border-radius:14px;padding:28px}
.stat{padding:18px}
.stat span{font-size:.8rem;color:#64748b;display:block}
.stat b{font-size:2rem;color:var(--azul)}
.table thead th{font-size:.78rem;text-transform:uppercase;color:#64748b;background:#f8fafc}

/* venta rápida */
.vr-card{min-height:100%}
.vr-buscar{position:relative}
.vr-sugerencias{position:absolute;z-index:20;left:0;right:0;top:100%;background:#fff;border:1px solid var(--borde);border-radius:8px;box-shadow:0 8px 24px rgba(16,24,40,.12);max-height:280px;overflow:auto}
.vr-sugerencias button{display:block;width:100%;text-align:left;border:0;background:none;padding:8px 12px;font-size:.88rem}
.vr-sugerencias button:hover,.vr-sugerencias button.activo{background:#eef3fb}
.vr-ficha{background:#f8fafc;border:1px solid var(--borde);border-radius:10px;padding:12px;font-size:.88rem}
.vr-ficha dt{font-size:.72rem;color:#64748b;font-weight:600;text-transform:uppercase}
.vr-ficha dd{margin-bottom:.4rem}
.vr-falta{color:#b45309}
.vr-historial li{font-size:.82rem}
.vr-nuevo{border:1px dashed #b8c2d3;border-radius:10px;padding:14px;color:#64748b;font-size:.88rem;text-align:center}