:root {
    --bg: #f4f5f7; --card: #fff; --txt: #1f2328; --mut: #6b7280; --line: #e3e6ea;
    --pri: #e8590c; --pri-txt: #fff; --ok: #2f9e44; --mal: #d6336c; --field: #eef0f3; --weekend: #fff4e6;
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #14161a; --card: #1e2126; --txt: #e8eaed; --mut: #9aa0a8; --line: #2d3138;
        --field: #2a2e35; --weekend: #3a2a1c; --ok: #51cf66;
    }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0; background: var(--bg); color: var(--txt);
    font: 16px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    padding-bottom: calc(76px + env(safe-area-inset-bottom));
}
h1 { font-size: 1.35rem; margin: 0; }
h2 { font-size: 1.15rem; margin: 0; }
h3 { font-size: 1rem; margin: 0 0 .6rem; }
small, .sub { color: var(--mut); }
[hidden] { display: none !important; }

.top { display: flex; align-items: center; justify-content: space-between; gap: .5rem;
    max-width: 880px; margin: 0 auto; padding: .8rem 1rem .4rem; }
.estado { font-size: .85rem; color: var(--mut); min-height: 1.2em; }
.estado.ok { color: var(--ok); }
.estado.mal { color: var(--mal); font-weight: 600; }
.aviso { max-width: 880px; margin: .4rem auto; padding: .6rem 1rem; background: #fff3bf; color: #5c4400;
    border-radius: 8px; font-size: .9rem; }

main { max-width: 880px; margin: 0 auto; padding: .4rem 1rem 1rem; display: grid; gap: .8rem;
    grid-template-columns: minmax(0, 1fr); /* sin esto una tabla ancha estira toda la página */ }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: .9rem; }
.vacio { color: var(--mut); text-align: center; padding: 2rem 0; }

/* navegación: abajo en el celular, arriba en pantallas grandes */
.tabs { position: fixed; left: 0; right: 0; bottom: 0; z-index: 10; display: flex;
    background: var(--card); border-top: 1px solid var(--line);
    padding-bottom: env(safe-area-inset-bottom); }
.tabs button { flex: 1; border: 0; background: none; color: var(--mut); padding: .55rem 0 .5rem;
    font: inherit; font-size: .8rem; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 2px; }
.tabs button span { font-size: 1.35rem; line-height: 1; }
.tabs button.on { color: var(--pri); font-weight: 600; }
@media (min-width: 700px) {
    body { padding-bottom: 1rem; }
    .tabs { position: static; max-width: 880px; margin: 0 auto; border: 0; background: none; padding: 0 1rem; gap: .25rem; }
    .tabs button { flex: none; flex-direction: row; gap: .4rem; font-size: 1rem; padding: .5rem .9rem;
        border-radius: 8px 8px 0 0; border-bottom: 3px solid transparent; }
    .tabs button span { font-size: 1.1rem; }
    .tabs button.on { border-bottom-color: var(--pri); }
}

/* botones y campos */
.btn { font: inherit; min-height: 44px; padding: .5rem .9rem; border-radius: 10px; border: 1px solid var(--line);
    background: var(--card); color: var(--txt); cursor: pointer; }
.btn:active { transform: scale(.98); }
.btn.primary { background: var(--pri); color: var(--pri-txt); border-color: var(--pri); font-weight: 600; }
.btn.icon { min-width: 48px; font-size: 1.1rem; }
.chip { font: inherit; font-size: .8rem; padding: .15rem .6rem; border-radius: 99px; border: 1px solid var(--pri);
    background: none; color: var(--pri); cursor: pointer; }
input[type=text], input[type=number], input[type=password], input[type=date] {
    font: inherit; font-size: 16px; /* 16px evita el zoom automático en iOS */
    width: 100%; min-height: 44px; padding: .45rem .6rem; border-radius: 10px; border: 1px solid transparent;
    background: var(--field); color: var(--txt); }
input:focus { outline: 2px solid var(--pri); outline-offset: 0; }
input[type=checkbox] { width: 24px; height: 24px; accent-color: var(--pri); }
label { display: block; font-size: .85rem; color: var(--mut); }
label input { margin-top: .2rem; }

/* cargar día */
.datenav { display: grid; grid-template-columns: 48px 1fr 48px; gap: .5rem; }
.datenav input { text-align: center; }
.dayhead { margin: .7rem 0 .2rem; }
.dayhead .sub { display: flex; align-items: center; gap: .5rem; font-size: .9rem; margin-top: .1rem; }
.actions { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; margin-top: .6rem; }
.lista-h, .row { display: grid; grid-template-columns: 1fr 78px 78px; gap: .5rem; align-items: center; }
.lista-h { font-size: .8rem; color: var(--mut); padding: 0 .1rem .3rem; }
.row { padding: .45rem 0; border-top: 1px solid var(--line); }
.row .who { min-width: 0; padding-left: .5rem; border-left: 4px solid transparent; }
.row.has .who { border-left-color: var(--ok); }
.row .who b { display: block; overflow-wrap: anywhere; }
.row .who small { display: block; }
.row input { text-align: center; padding-left: .2rem; padding-right: .2rem; }
.row.err input { outline: 2px solid var(--mal); }
.resumen { display: grid; grid-template-columns: .8fr .8fr 1.4fr; gap: .5rem; text-align: left; }
.metric small { display: block; font-size: .8rem; }
.metric b { font-size: 1.2rem; white-space: nowrap; }

/* quincena */
.qnav { display: grid; grid-template-columns: 48px 1fr 48px; gap: .5rem; align-items: center; text-align: center; }
.tabla-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -.2rem; }
table { border-collapse: collapse; width: 100%; font-size: .92rem; }
th, td { padding: .45rem .5rem; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; }
th { color: var(--mut); font-weight: 500; font-size: .8rem; }
th:first-child, td:first-child { text-align: left; }
@media (max-width: 520px) {
    table:not(.grilla) th, table:not(.grilla) td { padding: .45rem .3rem; font-size: .88rem; }
    table:not(.grilla) td:first-child { white-space: normal; }
}
tfoot td { font-weight: 700; border-bottom: 0; }
.grilla td, .grilla th { text-align: center; padding: .4rem .35rem; min-width: 38px; }
.grilla td:first-child, .grilla th:first-child { position: sticky; left: 0; background: var(--card);
    text-align: left; min-width: 110px; max-width: 130px; overflow: hidden; text-overflow: ellipsis; z-index: 1; }
.grilla .fin { background: var(--weekend); }
.grilla td.vacia { color: var(--mut); }
.grilla small { color: var(--ok); }

/* empleados */
.emp { display: grid; gap: .5rem; padding: .8rem 0; border-top: 1px solid var(--line); }
.emp:first-of-type { border-top: 0; }
.emp.baja { opacity: .55; }
.emp .dos { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
.emp .activo { display: flex; align-items: center; gap: .5rem; font-size: .9rem; color: var(--txt); }
.emp .activo input { margin: 0; }
.formv { display: grid; gap: .8rem; }
.form-g { display: grid; gap: .5rem; }

/* instalación / login */
body.solo { padding: 0; display: grid; place-items: center; min-height: 100vh; }
.auth { width: 100%; max-width: 380px; padding: 1.2rem; display: grid; gap: 1rem; }
.error { color: var(--mal); font-weight: 600; margin: 0; }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: .3rem; }
.checks .ok { color: var(--ok); }
.checks .mal { color: var(--mal); font-weight: 600; }

@media print {
    .tabs, .top .estado, .actions, .btn { display: none !important; }
    body { background: #fff; color: #000; padding: 0; }
}