/* TIE Hub — papel fiscal + tinta de sello */
:root {
  --papel: #EEF2EC;      /* papel de seguridad */
  --hoja: #F8FAF6;
  --tinta: #1D2B26;
  --tenue: #56665E;
  --linea: #CBD5CD;
  --sello: #4B3FA8;      /* tinta morada de sello oficial */
  --sello-suave: #E4E1F5;
  --ok: #2F7D4F;
  --alerta: #A6520B;
  --mal: #B42318;
  --f-titulo: "Archivo", "Arial Narrow", system-ui, sans-serif;
  --f-texto: "Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
  --r: 10px;
  color-scheme: light;
}
:root[data-tema="oscuro"] {
  --papel: #111714; --hoja: #18201C; --tinta: #DCE5DF; --tenue: #93A39A; --linea: #2B3631;
  --sello: #A79BFF; --sello-suave: #26223F; --ok: #5CC48A; --alerta: #F0A54A; --mal: #F2735F;
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-tema="claro"]) {
    --papel: #111714; --hoja: #18201C; --tinta: #DCE5DF; --tenue: #93A39A; --linea: #2B3631;
    --sello: #A79BFF; --sello-suave: #26223F; --ok: #5CC48A; --alerta: #F0A54A; --mal: #F2735F;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--papel); color: var(--tinta); font: 15px/1.5 var(--f-texto); -webkit-font-smoothing: antialiased; }
a { color: var(--sello); }
:focus-visible { outline: 2px solid var(--sello); outline-offset: 2px; }
.skip { position: absolute; left: -999px; } .skip:focus { left: 12px; top: 12px; z-index: 9; background: var(--hoja); padding: 6px 10px; }
h1, h2, h3 { font-family: var(--f-titulo); font-stretch: 112%; line-height: 1.15; margin: 0; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.5rem, 4vw, 2.1rem); font-weight: 800; }
h2 { font-size: 1.05rem; font-weight: 600; }
.mono { font-family: var(--f-mono); font-size: .86em; }
.tenue { color: var(--tenue); }
[hidden] { display: none !important; }

/* barra superior / navegación */
.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 16px; padding: 10px max(16px, env(safe-area-inset-left)); background: color-mix(in srgb, var(--papel) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--linea); }
.marca { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--tinta); font: 800 1.1rem var(--f-titulo); font-stretch: 112%; }
.sello { display: inline-block; padding: 1px 7px; border: 2px solid var(--sello); color: var(--sello); border-radius: 4px; transform: rotate(-4deg); letter-spacing: .06em; }
.nav { display: flex; gap: 4px; margin-left: 12px; }
.nav a { display: flex; align-items: center; gap: 6px; padding: 7px 12px; border-radius: 999px; text-decoration: none; color: var(--tenue); font-weight: 600; }
.nav a[aria-current="page"] { background: var(--sello-suave); color: var(--sello); }
.nav svg, .icono svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.cuenta { margin-left: auto; display: flex; gap: 6px; }
button { font: inherit; cursor: pointer; }
.icono, .txt { background: none; border: 1px solid var(--linea); color: var(--tinta); border-radius: 999px; padding: 6px 10px; }
.icono { display: grid; place-items: center; width: 36px; height: 36px; padding: 0; }
@media (max-width: 720px) {
  .nav { position: fixed; bottom: 0; left: 0; right: 0; margin: 0; justify-content: space-around; padding: 6px 8px calc(6px + env(safe-area-inset-bottom)); background: var(--hoja); border-top: 1px solid var(--linea); }
  .nav a { flex-direction: column; gap: 2px; font-size: .72rem; padding: 6px 10px; border-radius: 12px; }
  main { padding-bottom: 96px !important; }
}

main { max-width: 1180px; margin: 0 auto; padding: 22px 16px 48px; }
.cabeza { display: flex; flex-wrap: wrap; align-items: end; gap: 12px 20px; margin-bottom: 18px; }
.cabeza > div { flex: 1 1 260px; }
.buscar { flex: 1 1 280px; max-width: 460px; }
input, select, textarea { width: 100%; font: inherit; color: var(--tinta); background: var(--hoja); border: 1px solid var(--linea); border-radius: var(--r); padding: 10px 12px; }
textarea { min-height: 96px; resize: vertical; }
label { display: grid; gap: 4px; font-size: .85rem; font-weight: 600; color: var(--tenue); }
label.chk { display: flex; align-items: center; gap: 8px; } label.chk input { width: auto; }
.btn { display: inline-flex; align-items: center; gap: 6px; border: 0; border-radius: 999px; padding: 9px 16px; background: var(--sello); color: var(--hoja); font-weight: 600; text-decoration: none; }
.btn.sec { background: transparent; color: var(--sello); border: 1px solid var(--sello); }
.btn.peligro { background: transparent; color: var(--mal); border: 1px solid var(--mal); }
.btn:disabled { opacity: .5; cursor: wait; }

/* lista de clientes */
.lista { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; }
.cli { display: grid; gap: 6px; padding: 14px 16px; background: var(--hoja); border: 1px solid var(--linea); border-radius: var(--r); text-decoration: none; color: inherit; }
.cli:hover { border-color: var(--sello); }
.cli h2 { font-size: 1.05rem; }
.cli .meta { display: flex; flex-wrap: wrap; gap: 6px; font-size: .8rem; }
.chip { padding: 1px 8px; border-radius: 999px; border: 1px solid var(--linea); color: var(--tenue); font-size: .78rem; white-space: nowrap; }
.chip.hana { border-color: var(--alerta); color: var(--alerta); }
.chip.motor { border-color: var(--sello); color: var(--sello); }

/* firma: encabezado como cadena original */
.cadena { font-family: var(--f-mono); font-size: .82rem; color: var(--tenue); overflow-wrap: anywhere; margin-top: 6px; }
.cadena b { color: var(--sello); font-weight: 600; }

.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--linea); margin: 18px 0 14px; overflow-x: auto; }
.tabs a { padding: 9px 14px; text-decoration: none; color: var(--tenue); font-weight: 600; border-bottom: 2px solid transparent; white-space: nowrap; }
.tabs a[aria-current="page"] { color: var(--sello); border-color: var(--sello); }

/* accesos */
.grupo { margin: 18px 0 8px; font: 600 .78rem var(--f-texto); text-transform: uppercase; letter-spacing: .08em; color: var(--tenue); }
.acc { position: relative; display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; padding: 12px 14px; background: var(--hoja); border: 1px solid var(--linea); border-radius: var(--r); margin-bottom: 8px; }
.acc .dest { font-family: var(--f-mono); font-weight: 600; overflow-wrap: anywhere; }
.acc .linea { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; font-size: .9rem; }
.acc .acciones { grid-row: span 3; display: flex; flex-direction: column; gap: 6px; align-items: flex-end; }
.secreto { font-family: var(--f-mono); letter-spacing: .04em; padding: 2px 8px; background: var(--papel); border-radius: 6px; }
.mini { background: none; border: 1px solid var(--linea); color: var(--tinta); border-radius: 999px; padding: 3px 10px; font-size: .8rem; white-space: nowrap; text-decoration: none; }
.mini:hover { border-color: var(--sello); color: var(--sello); }
.estampa { display: inline-block; font: 800 .66rem var(--f-titulo); font-stretch: 112%; letter-spacing: .1em; padding: 1px 6px; border: 2px solid currentColor; border-radius: 3px; transform: rotate(-3deg); opacity: .85; }
.estampa.si { color: var(--ok); } .estampa.no { color: var(--alerta); }
@media (max-width: 560px) { .acc { grid-template-columns: 1fr; } .acc .acciones { grid-row: auto; flex-direction: row; flex-wrap: wrap; align-items: center; } }

.nota { white-space: pre-wrap; background: var(--hoja); border: 1px solid var(--linea); border-radius: var(--r); padding: 12px 14px; margin: 8px 0; }
.vacio { padding: 28px; text-align: center; border: 1px dashed var(--linea); border-radius: var(--r); color: var(--tenue); }
.vacio .btn { margin-top: 10px; }
.tabla { width: 100%; border-collapse: collapse; font-size: .88rem; }
.tabla th, .tabla td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--linea); vertical-align: top; }
.tabla th { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--tenue); }
.scroll { overflow-x: auto; }
.sev { font: 600 .72rem var(--f-mono); padding: 1px 6px; border-radius: 4px; }
.sev.CRITICO, .sev.Error { background: var(--mal); color: var(--hoja); }
.sev.ALTO { color: var(--mal); border: 1px solid var(--mal); }
.sev.MEDIO, .sev.Advertencia { color: var(--alerta); border: 1px solid var(--alerta); }
.sev.INFO { color: var(--tenue); border: 1px solid var(--linea); }
.tarjetas { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; }
.tarjeta { background: var(--hoja); border: 1px solid var(--linea); border-radius: var(--r); padding: 16px; display: grid; gap: 10px; align-content: start; }
.drop { border: 2px dashed var(--linea); border-radius: var(--r); padding: 18px; text-align: center; color: var(--tenue); }
.drop.sobre { border-color: var(--sello); color: var(--sello); }
details > summary { cursor: pointer; }
pre.cmd { font-family: var(--f-mono); font-size: .8rem; background: var(--papel); padding: 10px; border-radius: 8px; overflow-x: auto; white-space: pre-wrap; }

/* login */
.puerta { min-height: 70vh; display: grid; place-items: center; }
.puerta form { width: min(380px, 100%); display: grid; gap: 14px; background: var(--hoja); border: 1px solid var(--linea); border-radius: 14px; padding: 26px; }
.puerta .sello { font-size: 1.6rem; justify-self: start; }

dialog { border: 1px solid var(--linea); border-radius: 14px; background: var(--hoja); color: var(--tinta); padding: 0; width: min(560px, calc(100% - 24px)); }
dialog::backdrop { background: rgb(0 0 0 / .45); }
#dlgForm { display: grid; gap: 12px; padding: 20px; max-height: 85vh; overflow: auto; }
.fila { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; } @media (max-width: 560px) { .fila { grid-template-columns: 1fr; } }
.pie { display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap; }
#aviso { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--tinta); color: var(--papel); padding: 9px 16px; border-radius: 999px; font-weight: 600; opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 10; }
#aviso.ver { opacity: 1; }
@media (max-width: 720px) { #aviso { bottom: 88px; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
.puerta .btn { justify-content: center; }