:root{--ink:#1f2937;--ink2:#6b7280;--ink3:#9ca3af;--verde:#16a34a;--verde2:#dcfce7;--rojo:#dc2626;--rojo2:#fee2e2;--ambar:#d97706;--ambar2:#fef3c7;--azul:#2563eb;--azul2:#dbeafe;--bg:#f4f5f7;--card:#fff;--linea:#e5e7eb;--r:12px}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,system-ui,sans-serif;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--azul);text-decoration:none}
h1,h2,h3{margin:0 0 8px;font-weight:700;letter-spacing:-.01em}
h1{font-size:24px}h2{font-size:18px}h3{font-size:15px}
.muted{color:var(--ink2);font-size:14px}
.small{font-size:13px}
.wrap{max-width:1100px;margin:0 auto;padding:16px}
.wrap-sm{max-width:520px;margin:0 auto;padding:16px}

/* Barra superior */
.top{background:var(--ink);color:#fff;padding:12px 16px;display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:20}
.top .marca{display:flex;align-items:center;gap:8px;font-weight:700;font-size:18px}
.top .marca svg{width:26px;height:26px}
.top .quien{margin-left:auto;font-size:13px;color:#cbd5e1;text-align:right;line-height:1.3}
.top .quien b{color:#fff;display:block}
.top a.salir{color:#cbd5e1;font-size:13px;margin-left:10px;border:1px solid #475569;padding:6px 10px;border-radius:8px}

/* Tabs */
.tabs{display:flex;gap:6px;overflow-x:auto;padding:12px 0 4px;-webkit-overflow-scrolling:touch}
.tabs button{flex:0 0 auto;background:#fff;border:1px solid var(--linea);color:var(--ink2);padding:10px 16px;border-radius:999px;font-size:14px;font-weight:600;cursor:pointer}
.tabs button.on{background:var(--ink);color:#fff;border-color:var(--ink)}

/* Cards */
.card{background:var(--card);border:1px solid var(--linea);border-radius:var(--r);padding:18px;margin-bottom:14px}
.card.pad-sm{padding:14px}
.grid{display:grid;gap:14px}
@media(min-width:800px){.grid.dos{grid-template-columns:1fr 1fr}.grid.tres{grid-template-columns:1fr 1fr 1fr}}

/* Formularios */
label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin:12px 0 5px}
input,select,textarea{width:100%;padding:12px 13px;border:1px solid #d1d5db;border-radius:9px;font-size:16px;font-family:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(31,41,55,.08)}
textarea{min-height:70px;resize:vertical}
.fila{display:flex;gap:10px}.fila>*{flex:1}
.check{display:flex;align-items:center;gap:10px;margin-top:12px;font-size:15px;font-weight:500}
.check input{width:22px;height:22px;margin:0}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:10px;font-size:16px;font-weight:600;border:0;cursor:pointer;background:var(--ink);color:#fff;text-decoration:none;line-height:1.2}
.btn:active{transform:scale(.98)}
.btn.verde{background:var(--verde)}.btn.rojo{background:var(--rojo)}.btn.azul{background:var(--azul)}
.btn.claro{background:#fff;color:var(--ink);border:1px solid #d1d5db}
.btn.ancho{width:100%}.btn.sm{padding:9px 13px;font-size:14px;border-radius:8px}
.btn.grande{padding:18px;font-size:18px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* Estados */
.pill{display:inline-block;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.02em}
.pill.creado{background:#e5e7eb;color:#374151}
.pill.asignado{background:var(--azul2);color:#1e3a8a}
.pill.recogido{background:var(--ambar2);color:#92400e}
.pill.entregado{background:var(--verde2);color:#14532d}
.pill.fallido{background:var(--rojo2);color:#7f1d1d}
.pill.cancelado{background:#e5e7eb;color:#6b7280;text-decoration:line-through}

/* Lista de envíos */
.envio{background:#fff;border:1px solid var(--linea);border-radius:var(--r);padding:14px 16px;margin-bottom:10px}
.envio .cab{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.envio .cab .nom{font-weight:700;font-size:16px;flex:1;min-width:120px}
.envio .det{color:var(--ink2);font-size:14px;margin-top:6px;line-height:1.5}
.envio .acc{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.envio .acc .btn{flex:1;min-width:120px}

/* Tablas */
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--linea);vertical-align:top}
th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink2)}
.tabla-scroll{overflow-x:auto}

/* Avisos */
.aviso{padding:12px 14px;border-radius:9px;font-size:14px;margin:10px 0;line-height:1.5}
.aviso.ok{background:var(--verde2);color:#14532d}
.aviso.err{background:var(--rojo2);color:#7f1d1d}
.aviso.info{background:var(--azul2);color:#1e3a8a}
.aviso.warn{background:var(--ambar2);color:#92400e}

/* Toast */
#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:12px 18px;border-radius:10px;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:99;max-width:90vw}
#toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
#toast.err{background:var(--rojo)}

/* Modal */
.modal-fondo{position:fixed;inset:0;background:rgba(0,0,0,.45);display:none;align-items:flex-end;justify-content:center;z-index:50;padding:0}
.modal-fondo.on{display:flex}
.modal{background:#fff;border-radius:18px 18px 0 0;padding:20px;width:100%;max-width:560px;max-height:92vh;overflow:auto;animation:sube .22s ease-out}
@media(min-width:600px){.modal-fondo{align-items:center;padding:16px}.modal{border-radius:18px}}
@keyframes sube{from{transform:translateY(40px);opacity:0}to{transform:translateY(0);opacity:1}}
.modal h2{display:flex;align-items:center}
.modal h2 .x{margin-left:auto;background:none;border:0;font-size:22px;cursor:pointer;color:var(--ink2)}

/* Código grande */
.codigo{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:36px;font-weight:700;letter-spacing:.2em;text-align:center;padding:16px;background:#f9fafb;border:2px dashed #d1d5db;border-radius:12px;color:var(--ink)}
input.cod{font-family:ui-monospace,Menlo,monospace;font-size:32px;letter-spacing:.3em;text-align:center;padding:16px}

.vacio{text-align:center;color:var(--ink3);padding:40px 10px;font-size:15px}
.kpi{display:flex;gap:10px;flex-wrap:wrap}
.kpi div{flex:1;min-width:110px;background:#fff;border:1px solid var(--linea);border-radius:10px;padding:12px}
.kpi b{display:block;font-size:24px}
.kpi span{font-size:12px;color:var(--ink2)}