:root{--azul: #1a4c8c;--azul-claro: #e8eff8;--tinta: #14181f;--suave: #5b6472;--borde: #e3e6eb;--fondo: #f6f7f9;--blanco: #fff;--rojo: #c0362c;--verde: #1f7a3d;color-scheme:light;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme: dark){:root{--azul: #7aa6ea;--azul-claro: #1b2636;--tinta: #eef1f5;--suave: #a3acb9;--borde: #2c323b;--fondo: #101317;--blanco: #181c22;--rojo: #f0786e;--verde: #5fcf86;color-scheme:dark}}*{box-sizing:border-box}body{margin:0;background:var(--fondo);color:var(--tinta)}button,input,textarea{font:inherit}.pagina{max-width:1100px;margin:0 auto;padding:0 16px 110px}.cabecera{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 0;flex-wrap:wrap}.marca{font-size:1.4rem;color:var(--tinta);text-decoration:none}.marca b{color:var(--azul)}.quien{font-size:.9rem;color:var(--suave)}h1{font-size:1.4rem;margin:0 0 6px}h2{font-size:1.05rem;margin:0 0 8px}.suave{color:var(--suave)}.pequeno{font-size:.85rem}.tarjeta{background:var(--blanco);border:1px solid var(--borde);border-radius:14px;padding:18px}.angosta{max-width:520px;margin:24px auto}.centro{text-align:center}label{display:block;margin:14px 0 6px;font-weight:600;font-size:.9rem}input,textarea{width:100%;padding:12px;border:1px solid var(--borde);border-radius:10px;background:var(--blanco);color:var(--tinta)}input:focus,textarea:focus{outline:2px solid var(--azul);outline-offset:1px}button{cursor:pointer;border-radius:10px;border:0;padding:12px 18px}button:disabled{opacity:.5;cursor:default}.principal{background:var(--azul);color:#fff;font-weight:600}@media (prefers-color-scheme: dark){.principal{color:#0b1626}}.secundario{background:var(--azul-claro);color:var(--azul);font-weight:600}form .principal{width:100%;margin-top:16px}.enlace{background:none;color:var(--azul);padding:4px 6px;text-decoration:underline}.error{color:var(--rojo);margin:10px 0 0}.ayuda{margin-top:18px;font-size:.9rem;color:var(--suave)}.ayuda a{color:var(--azul)}.lista-sedes{display:grid;gap:8px;margin:14px 0}.sede{display:flex;flex-direction:column;align-items:flex-start;gap:2px;background:var(--azul-claro);color:var(--tinta);text-align:left}.barra-busqueda{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:8px 0 14px}.barra-busqueda input{max-width:260px}.rejilla{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}.producto .fila{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 0;border-top:1px solid var(--borde)}.producto .fila.con .pres{color:var(--azul);font-weight:600}.precio{font-size:.9rem;color:var(--suave)}.cantidad{display:flex;align-items:center;gap:4px}.cantidad button{width:38px;height:38px;padding:0;background:var(--azul-claro);color:var(--azul);font-size:1.2rem;font-weight:700}.cantidad input{width:64px;text-align:center;padding:8px 4px}.pie-fijo{position:fixed;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px max(16px,calc((100vw - 1100px)/2 + 16px));background:var(--blanco);border-top:1px solid var(--borde)}.resumen{width:100%;border-collapse:collapse;margin:12px 0 4px}.resumen td{padding:8px 4px;border-bottom:1px solid var(--borde)}.resumen tfoot td{font-weight:700;border-bottom:0}.num{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}.acciones{display:flex;gap:10px;justify-content:flex-end;margin-top:18px}.ok{width:56px;height:56px;margin:0 auto 10px;border-radius:50%;background:var(--verde);color:#fff;display:grid;place-items:center;font-size:1.8rem}@media (max-width: 480px){.barra-busqueda input{max-width:none}.acciones button{flex:1}}