:root {
  --fondo: #f4f6f6;
  --tarjeta: #ffffff;
  --tinta: #14262a;
  --tenue: #5d6d70;
  --linea: #dde5e5;
  --marca: #0f5c63;
  --marca-osc: #0a454b;
  --marca-suave: #e5f0f0;
  --ok: #1d7a46;
  --ok-suave: #e3f3ea;
  --aviso: #9a5300;
  --aviso-suave: #fdf0dc;
  --error: #b3261e;
  --error-suave: #fbe7e5;
  --radio: 12px;
  --sombra: 0 1px 2px rgba(20, 38, 42, .06), 0 2px 8px rgba(20, 38, 42, .05);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--tinta);
  background: var(--fondo);
  padding-bottom: env(safe-area-inset-bottom);
}
a { color: var(--marca); }
h1 { font-size: 1.5rem; line-height: 1.2; margin: 0; }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; }
img { max-width: 100%; }

/* Barra superior */
.topbar { background: var(--marca); color: #fff; position: sticky; top: 0; z-index: 10; padding-top: env(safe-area-inset-top); }
.topbar__in { max-width: 1200px; margin: 0 auto; padding: .55rem 16px; display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.marca { display: flex; align-items: center; gap: .5rem; color: #fff; text-decoration: none; font-weight: 650; }
.marca img { border-radius: 7px; }
.nav { display: flex; align-items: center; gap: .25rem; margin-left: auto; overflow-x: auto; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.nav a, .nav__salir button {
  color: rgba(255,255,255,.88); text-decoration: none; padding: .4rem .7rem; border-radius: 8px;
  white-space: nowrap; font: inherit; font-size: .95rem; background: none; border: 0; cursor: pointer;
}
.nav a:hover, .nav__salir button:hover { background: rgba(255,255,255,.12); color: #fff; }
.nav a.activo { background: rgba(255,255,255,.18); color: #fff; font-weight: 600; }
.nav__salir { margin: 0; }

.wrap { max-width: 1200px; margin: 0 auto; padding: 20px 16px 48px; }

/* Avisos */
.avisos { display: grid; gap: .5rem; margin-bottom: 1rem; }
.subida .aviso { margin-bottom: 1rem; }
.aviso { padding: .7rem 1rem; border-radius: 10px; border: 1px solid transparent; }
.aviso--ok { background: var(--ok-suave); color: var(--ok); border-color: #bfe3cd; }
.aviso--error { background: var(--error-suave); color: var(--error); border-color: #f2c4bf; }
.aviso--info { background: var(--marca-suave); color: var(--marca-osc); border-color: #c5dede; }

/* Estructura */
.cabecera { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.1rem; }
.cabecera p { margin: .25rem 0 0; }
.miga { display: inline-block; font-size: .9rem; text-decoration: none; margin-bottom: .3rem; }
.tarjeta { background: var(--tarjeta); border: 1px solid var(--linea); border-radius: var(--radio); box-shadow: var(--sombra); padding: 1rem; margin-bottom: 1rem; }
.columnas { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); align-items: start; }
.tenue { color: var(--tenue); }
.texto-aviso { color: var(--aviso); }
.centrado { text-align: center; }
.ayuda { color: var(--tenue); font-size: .88rem; margin: .75rem 0 0; }

/* Formularios */
label { display: grid; gap: .3rem; font-size: .92rem; font-weight: 550; }
input:not([type=checkbox]):not([type=file]), select, textarea {
  width: 100%; font: inherit; font-weight: 400; color: var(--tinta); background: #fff;
  border: 1px solid #c9d4d4; border-radius: 9px; padding: .6rem .7rem; min-height: 44px;
}
textarea { resize: vertical; min-height: 0; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--marca); outline-offset: 1px; border-color: var(--marca); }
.check { display: flex; align-items: center; gap: .5rem; font-weight: 400; }
.check input { width: 18px; height: 18px; accent-color: var(--marca); }
.form { display: grid; gap: .9rem; }
.form-rejilla { display: grid; gap: .9rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin-top: 1rem; }
.form-rejilla__ancho, .form-rejilla__pie { grid-column: 1 / -1; }
fieldset { border: 1px dashed var(--linea); border-radius: 10px; padding: .25rem 1rem 1rem; margin: 0; }
legend { font-size: .9rem; font-weight: 600; padding: 0 .3rem; }
fieldset .form-rejilla { margin-top: .5rem; }

/* Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  font: inherit; font-weight: 600; color: #fff; background: var(--marca); border: 1px solid var(--marca);
  border-radius: 9px; padding: .6rem 1.1rem; min-height: 44px; cursor: pointer; text-decoration: none;
  list-style: none;
}
.btn::-webkit-details-marker { display: none; }
.btn:hover { background: var(--marca-osc); }
.btn:disabled { opacity: .6; cursor: wait; }
.btn--sec { background: #fff; color: var(--marca); border-color: #bcd3d3; }
.btn--sec:hover { background: var(--marca-suave); }
.btn--peligro { background: #fff; color: var(--error); border-color: #efc2bd; }
.btn--peligro:hover { background: var(--error-suave); }
.btn--peq { padding: .35rem .75rem; min-height: 36px; font-size: .9rem; }
.btn--grande { width: 100%; padding: .85rem 1rem; font-size: 1.05rem; }

/* Etiquetas */
.badge { display: inline-block; padding: .12rem .55rem; border-radius: 99px; font-size: .8rem; font-weight: 650; white-space: nowrap; }
.badge--pendiente { background: var(--aviso-suave); color: var(--aviso); }
.badge--revisado { background: var(--ok-suave); color: var(--ok); }
.badge--incidencia { background: var(--error-suave); color: var(--error); }
.chips { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; font-size: .85rem; }
.chip { display: inline-block; background: var(--marca-suave); color: var(--marca-osc); border-radius: 6px; padding: .05rem .45rem; font-size: .78rem; font-weight: 600; vertical-align: middle; }
.chip--off { background: #eceff0; color: var(--tenue); }
.nota { margin-top: .4rem; background: var(--error-suave); color: #7d1d17; border-radius: 8px; padding: .45rem .6rem; font-size: .9rem; }
.nota--peq { font-size: .8rem; padding: .3rem .5rem; max-width: 260px; }

/* Pestañas */
.pestanas { display: flex; gap: .25rem; border-bottom: 1px solid var(--linea); margin-bottom: 1rem; overflow-x: auto; }
.pestanas a { padding: .55rem .9rem; text-decoration: none; color: var(--tenue); border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; font-weight: 550; }
.pestanas a.activo { color: var(--marca); border-bottom-color: var(--marca); }

/* Desplegables */
details > summary { cursor: pointer; }
.alta > summary { margin-bottom: 0; }
.alta[open] > summary { margin-bottom: .25rem; }
.tarjeta.alta { padding: .75rem; }
.desplegable { position: relative; }
.desplegable__panel {
  position: absolute; z-index: 5; top: calc(100% + 6px); left: 0; width: min(300px, 80vw);
  background: #fff; border: 1px solid var(--linea); border-radius: 12px; box-shadow: 0 8px 28px rgba(20,38,42,.16);
  padding: .9rem; display: grid; gap: .75rem; text-align: left;
}
.desplegable--derecha .desplegable__panel { left: auto; right: 0; }
.desplegable__enlaces { display: flex; gap: 1rem; font-size: .92rem; }

/* Tablas */
.tabla-envoltorio { padding: 0; }
.tabla { width: 100%; border-collapse: collapse; font-size: .94rem; }
.tabla th { text-align: left; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--tenue); font-weight: 650; padding: .7rem .8rem; border-bottom: 1px solid var(--linea); background: #fafbfb; }
.tabla td { padding: .65rem .8rem; border-bottom: 1px solid var(--linea); vertical-align: middle; }
.tabla tbody tr:last-child td { border-bottom: 0; }
.tabla .num { text-align: right; }
.fila-enlace { cursor: pointer; }
.fila-enlace:hover td { background: #f7fafa; }
tr.inactivo td, li.inactivo { opacity: .6; }
.celda-check { width: 1%; }
.celda-check input { width: 18px; height: 18px; accent-color: var(--marca); }
.celda-mini { width: 1%; }
.celda-texto { max-width: 260px; overflow-wrap: anywhere; }
.celda-acciones { width: 1%; text-align: right; }

/* Miniaturas */
.mini { display: block; width: 56px; height: 56px; border-radius: 8px; overflow: hidden; background: var(--marca-suave); border: 1px solid var(--linea); flex: none; }
.mini img { width: 100%; height: 100%; object-fit: cover; display: block; }
.mini__pdf { display: grid; place-items: center; height: 100%; font-weight: 750; font-size: .8rem; color: var(--error); background: var(--error-suave); }

/* Filtros y barras */
.filtros { display: grid; gap: .75rem; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); align-items: end; }
.filtros__acciones { display: flex; gap: .5rem; }
.barra { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; margin-bottom: .75rem; }
.barra--lote { background: var(--marca-suave); border-radius: 10px; padding: .5rem .75rem; }
.barra--lote select { width: auto; min-height: 36px; padding: .3rem .5rem; }
.buscador input { min-width: 240px; }

/* Paginación */
.paginas { display: flex; justify-content: center; align-items: center; gap: 1rem; margin: 1rem 0; }

/* Vacío */
.vacio { text-align: center; color: var(--tenue); padding: 2rem 1rem; }
.vacio--grande { padding: 4rem 1rem; }
.vacio__codigo { font-size: 2rem; font-weight: 750; color: var(--tinta); margin: 0; }

/* Login */
.pagina-login .wrap { min-height: 100vh; display: grid; place-items: center; }
.login { width: min(400px, 100%); text-align: center; }
.login__logo { border-radius: 16px; box-shadow: var(--sombra); }
.login h1 { margin: .75rem 0 .25rem; }
.login .form { text-align: left; margin-top: 1.25rem; padding: 1.25rem; }

/* Datos */
.datos { display: grid; grid-template-columns: auto 1fr; gap: .4rem 1rem; margin: 0; }
.datos dt { color: var(--tenue); }
.datos dd { margin: 0; font-weight: 550; overflow-wrap: anywhere; }

/* Usuarios */
.lista-usuarios { list-style: none; margin: 0 0 1rem; padding: 0; }
.lista-usuarios li { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .8rem 0; border-bottom: 1px solid var(--linea); flex-wrap: wrap; }
.lista-usuarios__info { display: grid; gap: .15rem; min-width: 0; }
.lista-usuarios__acciones { display: flex; gap: .5rem; }
.lista-usuarios__acciones .desplegable__panel { left: auto; right: 0; }

/* Subida (cliente) */
.subida { max-width: 560px; margin: 0 auto; }
.subida__botones { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; margin-bottom: 1rem; }
.boton-gordo {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .5rem;
  min-height: 140px; border-radius: 16px; background: var(--marca); color: #fff; font-size: 1.05rem; font-weight: 650;
  cursor: pointer; box-shadow: var(--sombra); text-align: center; padding: 1rem;
}
.boton-gordo:active { transform: scale(.98); }
.boton-gordo--sec { background: #fff; color: var(--marca); border: 2px dashed #9fc2c2; box-shadow: none; }
.boton-gordo input[type=file] { position: absolute; width: 1px; height: 1px; opacity: 0; }
.previas { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: .6rem; margin-bottom: 1rem; }
.previa { position: relative; aspect-ratio: 3 / 4; border-radius: 10px; overflow: hidden; background: #fff; border: 1px solid var(--linea); }
.previa img { width: 100%; height: 100%; object-fit: cover; display: block; }
.previa__pdf { display: grid; place-items: center; height: 100%; padding: .4rem; text-align: center; font-size: .75rem; color: var(--error); background: var(--error-suave); overflow-wrap: anywhere; }
.previa__quitar { position: absolute; top: 4px; right: 4px; width: 28px; height: 28px; border-radius: 50%; border: 0; background: rgba(20,38,42,.75); color: #fff; font-size: 1rem; line-height: 1; cursor: pointer; }
.previa__estado { position: absolute; inset: auto 0 0 0; padding: .2rem; font-size: .75rem; font-weight: 650; text-align: center; color: #fff; background: rgba(20,38,42,.7); }
.previa--ok .previa__estado { background: var(--ok); }
.previa--error .previa__estado { background: var(--error); }
.progreso { position: relative; height: 26px; background: var(--marca-suave); border-radius: 99px; overflow: hidden; }
.progreso__barra { height: 100%; width: 0; background: var(--marca); transition: width .2s; }
.progreso__texto { position: absolute; inset: 0; display: grid; place-items: center; font-size: .82rem; font-weight: 650; color: var(--tinta); }

/* Historial (cliente) */
.historial { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.historial__item { display: flex; gap: .85rem; align-items: flex-start; background: #fff; border: 1px solid var(--linea); border-radius: var(--radio); padding: .75rem; box-shadow: var(--sombra); }
.historial__item--incidencia { border-color: #efc2bd; }
.historial__info { display: grid; gap: .15rem; min-width: 0; flex: 1; }
.historial__fila { display: flex; justify-content: space-between; gap: .5rem; align-items: center; }
.historial__comentario { font-size: .92rem; overflow-wrap: anywhere; }

/* Móvil: tablas como tarjetas */
@media (max-width: 760px) {
  h1 { font-size: 1.3rem; }
  .topbar__in { gap: .35rem; }
  .nav { margin-left: 0; width: 100%; }
  .buscador, .buscador input { width: 100%; min-width: 0; }
  .tabla thead { display: none; }
  .tabla, .tabla tbody, .tabla tr, .tabla td { display: block; width: 100%; }
  .tabla tr { padding: .75rem; border-bottom: 1px solid var(--linea); position: relative; }
  .tabla td { border: 0; padding: .15rem 0; text-align: left !important; }
  .tabla td[data-label]::before { content: attr(data-label) ": "; color: var(--tenue); font-size: .85rem; }
  .tabla--docs tr { display: grid; grid-template-columns: auto 64px 1fr; gap: 0 .6rem; }
  .tabla--docs td[data-label] { grid-column: 3; }
  .tabla--docs .celda-check { grid-row: 1 / span 2; }
  .tabla--docs .celda-mini { grid-row: 1 / span 3; grid-column: 2; }
  .tabla--docs .celda-acciones { grid-column: 1 / -1; text-align: left; margin-top: .4rem; }
  .celda-texto { max-width: none; }
}