:root {
  --bg: #f4f6f9; --panel: #ffffff; --texto: #1d2533; --suave: #5f6b7d; --borde: #dde3eb;
  --primario: #72341f; --primario-2: #8f4a2c; --acento: #c96f1e; --ok: #2f855a; --error: #c53030;
  --entrada: #2f855a; --salida: #b7791f; --fila: #f8fafc; --sombra: 0 1px 3px rgba(16,24,40,.08);
  --radio: 8px;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { font: 14px/1.45 "Segoe UI", system-ui, -apple-system, sans-serif; color: var(--texto); background: var(--bg); }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--primario-2); }
h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 18px 0 8px; }
.muted { color: var(--suave); }
.oculto { display: none !important; }

/* login */
#login { min-height: 100%; display: grid; place-items: center; padding: 16px;
  background: linear-gradient(135deg, #5a2817, #72341f 55%, #f99e43); }
.login-box { background: var(--panel); padding: 32px; border-radius: 12px; width: 100%; max-width: 360px; box-shadow: 0 10px 30px rgba(0,0,0,.25); }
.login-box h1 { font-size: 26px; color: var(--primario); }
.login-logo { display: block; width: 100%; max-width: 260px; margin: 0 auto 10px; }
.login-box .empresa-login { text-align: center; font-weight: 600; color: var(--primario); margin: -4px 0 8px; }
#menu .logo { display: block; background: #fff; border-radius: 8px; padding: 6px; margin: 0 4px 10px; }
#menu .logo img { display: block; width: 100%; }
.marca span { color: var(--acento); }

/* layout */
#app { display: grid; grid-template-columns: 230px 1fr; min-height: 100%; }
#menu { background: var(--primario); color: #f3e4da; padding: 14px 10px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
#menu .marca { font-size: 20px; font-weight: 700; color: #fff; padding: 4px 10px 2px; }
#menu .empresa { font-size: 12px; padding: 0 10px 14px; color: #f0cfb5; border-bottom: 1px solid rgba(255,255,255,.12); margin-bottom: 8px; }
#menu a { display: block; padding: 8px 10px; border-radius: 6px; color: #f3e4da; text-decoration: none; margin: 1px 0; }
#menu a:hover { background: rgba(255,255,255,.08); }
#menu a.activo { background: #fff; color: var(--primario); font-weight: 600; }
#menu .sep { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: #f99e43; padding: 12px 10px 4px; }
#menu .usuario { margin-top: 16px; padding: 10px; border-top: 1px solid rgba(255,255,255,.12); font-size: 12px; }
#menu .usuario button { margin-top: 6px; }
main { padding: 20px 24px 40px; min-width: 0; }
.cabecera { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
#btn-menu { display: none; }

/* paneles */
.panel { background: var(--panel); border: 1px solid var(--borde); border-radius: var(--radio); padding: 16px; box-shadow: var(--sombra); margin-bottom: 14px; }
.tarjetas { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 14px; }
.tarjeta { background: var(--panel); border: 1px solid var(--borde); border-radius: var(--radio); padding: 14px 16px; box-shadow: var(--sombra); }
.tarjeta .valor { font-size: 22px; font-weight: 700; color: var(--primario); }
.tarjeta .etq { font-size: 12px; color: var(--suave); }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--borde); margin-bottom: 14px; flex-wrap: wrap; }
.tabs button { background: none; border: 0; padding: 8px 14px; border-bottom: 2px solid transparent; cursor: pointer; color: var(--suave); }
.tabs button.activo { border-color: var(--primario); color: var(--primario); font-weight: 600; }

/* formularios */
.fila { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.campo { display: flex; flex-direction: column; gap: 3px; min-width: 140px; flex: 1; }
.campo.chico { flex: 0 0 120px; min-width: 100px; }
.campo label, .etiqueta { font-size: 12px; color: var(--suave); font-weight: 600; }
input[type=text], input[type=number], input[type=date], input[type=password], input[type=search], select, textarea {
  border: 1px solid var(--borde); border-radius: 6px; padding: 7px 9px; background: #fff; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid #f3c79c; border-color: var(--primario-2); }
textarea { min-height: 60px; resize: vertical; }
.check { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; cursor: pointer; }
.btn { border: 1px solid var(--borde); background: #fff; border-radius: 6px; padding: 7px 14px; cursor: pointer; white-space: nowrap; }
.btn:hover { background: #f0f3f7; }
.btn.primario { background: var(--primario); border-color: var(--primario); color: #fff; }
.btn.primario:hover { background: var(--primario-2); }
.btn.acento { background: var(--acento); border-color: var(--acento); color: #fff; }
.btn.peligro { color: var(--error); border-color: #f1c4c4; }
.btn.chico { padding: 3px 9px; font-size: 12px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.acciones { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* tablas */
.tabla-wrap { overflow-x: auto; border: 1px solid var(--borde); border-radius: var(--radio); background: #fff; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 7px 10px; text-align: left; border-bottom: 1px solid #edf0f4; vertical-align: middle; }
th { background: #f5ebe3; font-size: 12px; color: #4a2a1c; position: sticky; top: 0; white-space: nowrap; }
tbody tr:nth-child(even) { background: var(--fila); }
tbody tr.clic { cursor: pointer; }
tbody tr.clic:hover { background: #fbefe4; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tfoot td { font-weight: 700; border-top: 2px solid var(--primario); background: #fff; }
td input { padding: 4px 6px; }
.vacio { padding: 26px; text-align: center; color: var(--suave); }
.chip { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; background: #e2e8f0; color: #334155; }
.chip.entrada, .chip.ejecutada, .chip.ok { background: #dcf3e5; color: var(--entrada); }
.chip.salida, .chip.programada, .chip.abierta { background: #fdf0d9; color: var(--salida); }
.chip.anulada { background: #fde2e2; color: var(--error); }
.neg { color: var(--error); }
.pos { color: var(--ok); }

/* modal y avisos */
.modal-fondo { position: fixed; inset: 0; background: rgba(15,23,42,.45); display: grid; grid-template-columns: minmax(0, 1fr);
  justify-items: center; align-items: start; padding: 40px 16px; overflow-y: auto; z-index: 50; }
.modal { background: #fff; border-radius: 10px; width: 100%; max-width: 640px; min-width: 0; box-shadow: 0 20px 40px rgba(0,0,0,.25); }
.modal.ancho { max-width: 1080px; }
.modal header { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--borde); }
.modal header h3 { margin: 0; font-size: 16px; }
.modal .cuerpo { padding: 16px 18px; }
.modal footer { padding: 12px 18px; border-top: 1px solid var(--borde); display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
.cerrar { background: none; border: 0; font-size: 22px; cursor: pointer; color: var(--suave); line-height: 1; }
#toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 100; }
.toast { background: #1f2937; color: #fff; padding: 10px 14px; border-radius: 8px; max-width: 380px; box-shadow: 0 6px 18px rgba(0,0,0,.25); }
.toast.error { background: var(--error); }
.toast.ok { background: var(--ok); }
.aviso { padding: 10px 12px; border-radius: 6px; background: #fff7e6; border: 1px solid #f6d79b; margin: 8px 0; }
.aviso.error { background: #fdecec; border-color: #f3b7b7; }
.aviso.info { background: #fdf4ea; border-color: #f0d2b3; }
.lineas td:first-child { min-width: 260px; }
.total-linea { text-align: right; font-weight: 700; margin-top: 8px; }

@media (max-width: 860px) {
  #app { grid-template-columns: 1fr; }
  #menu { position: fixed; z-index: 40; width: 250px; transform: translateX(-100%); transition: transform .2s; }
  #menu.abierto { transform: none; }
  #btn-menu { display: inline-block; }
  main { padding: 14px 16px 40px; }
  .campo { min-width: 100%; }
  .campo.chico { flex: 1; }
}
@media print { #menu, .acciones, .tabs { display: none; } #app { display: block; } }