/* ---------- Tokens ---------- */
:root {
  color-scheme: light;
  --bg: #f6f5f2;
  --surface: #ffffff;
  --surface-2: #f0efec;
  --border: #e2e0da;
  --text: #1a1a19;
  --text-2: #52514e;
  --muted: #8a8884;
  --primary: #2a78d6;
  --primary-text: #ffffff;
  --good: #008300;
  --warn: #eda100;
  --bad: #e34948;
  --good-bg: #e6f4e6;
  --warn-bg: #fff4d6;
  --bad-bg: #fde7e7;
  --info-bg: #e4effb;
  --serie: #2a78d6;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0,0,0,.06);
  --nav-h: 58px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #131312; --surface: #1e1e1c; --surface-2: #262624; --border: #35342f;
    --text: #f2f1ec; --text-2: #c3c2b7; --muted: #8f8e86;
    --primary: #3987e5; --serie: #3987e5;
    --good: #4cbf4c; --warn: #e0b13a; --bad: #e66767;
    --good-bg: #1c2f1c; --warn-bg: #33290f; --bad-bg: #3a1e1e; --info-bg: #1b2a3d;
    --shadow: none;
  }
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
h1, h2, h3 { margin: 0; font-weight: 600; line-height: 1.2; }
h1 { font-size: 17px; }
h2 { font-size: 16px; }
h3 { font-size: 14px; color: var(--text-2); text-transform: uppercase; letter-spacing: .04em; }
a { color: var(--primary); text-decoration: none; }
.muted { color: var(--muted); font-size: 13px; }
.error { color: var(--bad); font-size: 13px; margin: 6px 0 0; }
[hidden] { display: none !important; }

/* ---------- Layout ---------- */
.app { min-height: 100dvh; display: grid; grid-template-rows: auto 1fr; }
.topbar {
  position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; background: var(--surface); border-bottom: 1px solid var(--border);
}
.topbar #titulo-pagina::before { content: "· "; }
.view { min-width: 0; padding: 14px; padding-bottom: calc(var(--nav-h) + 20px); max-width: 1100px; width: 100%; margin: 0 auto; }
.nav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 6; display: flex; height: var(--nav-h);
  background: var(--surface); border-top: 1px solid var(--border); padding-bottom: env(safe-area-inset-bottom);
}
.nav a {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  color: var(--text-2); font-size: 11px;
}
.nav a .ico { font-size: 18px; line-height: 1; }
.nav a.activo { color: var(--primary); font-weight: 600; }
.nav a.mas { display: none; }
#btn-menu { display: none; }

@media (min-width: 900px) {
  .app { grid-template-columns: 210px 1fr; grid-template-rows: auto 1fr; }
  .topbar { grid-column: 1 / -1; }
  .nav {
    position: sticky; top: 49px; height: calc(100dvh - 49px); flex-direction: column; justify-content: flex-start;
    border-top: 0; border-right: 1px solid var(--border); padding: 10px 8px;
  }
  .nav a { flex: 0 0 auto; flex-direction: row; justify-content: flex-start; gap: 10px; padding: 9px 12px; font-size: 14px; border-radius: 8px; }
  .nav a.activo { background: var(--info-bg); }
  .nav a.mas { display: flex; }
  .nav a.solo-movil { display: none; }
  .view { padding: 22px 28px; }
}

/* ---------- Componentes ---------- */
.card, .grid-2 > *, .item, .kpi { min-width: 0; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow); margin-bottom: 14px; }
.card h2, .card h3 { margin-bottom: 10px; }
.kpis { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 14px; }
@media (min-width: 600px) { .kpis { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px) { .kpis { grid-template-columns: repeat(4, 1fr); } }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; }
.kpi .l { font-size: 12px; color: var(--text-2); }
.kpi .v { font-size: 22px; font-weight: 600; margin-top: 2px; font-variant-numeric: tabular-nums; }
.kpi .s { font-size: 12px; color: var(--muted); margin-top: 2px; }
.kpi.good .v { color: var(--good); } .kpi.bad .v { color: var(--bad); } .kpi.warn .v { color: var(--warn); }

.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; margin-bottom: 12px; }
.toolbar > * { flex: 1 1 140px; }
.toolbar .btn { flex: 0 0 auto; }
.toolbar .periodo { flex: 1 1 100%; }
@media (min-width: 700px) { .toolbar .periodo { flex: 2 1 380px; } }
.toolbar label { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: var(--text-2); }
.periodo { display: flex; flex-wrap: wrap; gap: 6px; align-items: end; }
.periodo label { flex: 1 1 120px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { border: 1px solid var(--border); background: var(--surface); border-radius: 999px; padding: 4px 10px; font-size: 12px; cursor: pointer; color: var(--text-2); }
.chip:hover, .chip.activo { border-color: var(--primary); color: var(--primary); }

input, select, textarea {
  width: 100%; padding: 9px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface);
  color: var(--text); font: inherit; min-height: 40px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
input[type="checkbox"] { width: 20px; height: 20px; min-height: 0; margin: 0; accent-color: var(--primary); }
textarea { min-height: 60px; resize: vertical; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 14px; min-height: 40px;
  border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text); font: inherit; cursor: pointer; white-space: nowrap;
}
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-text); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--bad); }
.btn.sm { padding: 4px 8px; min-height: 30px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: default; }
.icon-btn { border: 0; background: none; font-size: 18px; cursor: pointer; color: var(--text-2); padding: 4px 8px; }
.acciones { display: flex; gap: 4px; justify-content: flex-end; }

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; vertical-align: middle; }
th { background: var(--surface-2); color: var(--text-2); font-weight: 600; font-size: 12px; position: sticky; top: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--surface-2); }
tfoot td { font-weight: 600; background: var(--surface-2); }
.vacio { padding: 24px; text-align: center; color: var(--muted); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.ok { background: var(--good-bg); color: var(--good); }
.badge.warn { background: var(--warn-bg); color: #7a5200; }
.badge.bad { background: var(--bad-bg); color: var(--bad); }
.badge.info { background: var(--info-bg); color: var(--primary); }
.badge.neutral { background: var(--surface-2); color: var(--text-2); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .badge.warn { color: var(--warn); } }

.alerta { padding: 10px 12px; border-radius: 8px; margin-bottom: 12px; font-size: 14px; }
.alerta.warn { background: var(--warn-bg); border: 1px solid #f0d68a; }
.alerta.info { background: var(--info-bg); }
.alerta.bad { background: var(--bad-bg); }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 14px; overflow-x: auto; }
.tabs button { border: 0; background: none; padding: 8px 12px; font: inherit; color: var(--text-2); cursor: pointer; border-bottom: 2px solid transparent; white-space: nowrap; }
.tabs button.activo { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

.grid-2 { display: grid; gap: 14px; }
@media (min-width: 800px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
.lista { display: grid; gap: 10px; }
@media (min-width: 700px) { .lista.cols { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); } }
.item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; }
.item .cab { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 6px; }
.item dl { display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; margin: 0; font-size: 13px; }
.item dt { color: var(--muted); } .item dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }

/* barras horizontales (costos por categoría) */
.barras { display: grid; gap: 6px; }
.barra { display: grid; grid-template-columns: 110px 1fr auto; gap: 8px; align-items: center; font-size: 13px; }
.barra .b { height: 12px; background: var(--surface-2); border-radius: 3px; overflow: hidden; }
.barra .b i { display: block; height: 100%; background: var(--serie); border-radius: 0 3px 3px 0; }
.barra .n { font-variant-numeric: tabular-nums; color: var(--text-2); }

/* gráfico SVG */
.chart { width: 100%; height: 200px; display: block; }
.chart .grid line { stroke: var(--border); stroke-width: 1; }
.chart .eje text { fill: var(--muted); font-size: 11px; }
.chart .mark { fill: var(--serie); }
.chart .mark:hover { filter: brightness(1.25); }
.chart .linea { fill: none; stroke: var(--serie); stroke-width: 2; }
.chart .punto { fill: var(--serie); stroke: var(--surface); stroke-width: 2; }

/* ---------- Modal ---------- */
.modal { border: 0; border-radius: 14px; padding: 0; width: min(640px, calc(100vw - 20px)); background: var(--surface); color: var(--text); box-shadow: 0 10px 40px rgba(0,0,0,.25); }
.modal::backdrop { background: rgba(0,0,0,.4); }
.modal form { display: flex; flex-direction: column; max-height: calc(100dvh - 40px); }
.modal header, .modal footer { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; gap: 8px; }
.modal header { border-bottom: 1px solid var(--border); }
.modal footer { border-top: 1px solid var(--border); justify-content: flex-end; }
.modal #modal-cuerpo { padding: 14px 16px; overflow-y: auto; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 12px; }
.form-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-2); }
.form-grid label.full { grid-column: 1 / -1; }
.form-grid label.check { flex-direction: row; align-items: center; gap: 8px; font-size: 14px; color: var(--text); padding-top: 18px; }
@media (max-width: 480px) { .form-grid { grid-template-columns: 1fr; } .form-grid label.check { padding-top: 0; } }
.modal #modal-error { padding: 0 16px; }

/* ---------- Toast ---------- */
.toast { position: fixed; left: 50%; bottom: calc(var(--nav-h) + 14px); transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 8px; z-index: 20; font-size: 14px; max-width: 90vw; box-shadow: 0 4px 16px rgba(0,0,0,.25); }
.toast.bad { background: var(--bad); color: #fff; }
@media (min-width: 900px) { .toast { bottom: 24px; } }

/* conciliación */
.pasos { display: flex; gap: 6px; margin-bottom: 12px; font-size: 13px; color: var(--muted); flex-wrap: wrap; }
.pasos span.activo { color: var(--primary); font-weight: 600; }
.mapeo { display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
.preview-tabla td, .preview-tabla th { font-size: 12px; padding: 4px 8px; }
.resumen-conc { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; margin-bottom: 12px; }
.dif-pos { color: var(--bad); } .dif-neg { color: var(--warn); }
.menu-mas { display: grid; gap: 8px; }
.menu-mas a { display: flex; gap: 12px; align-items: center; padding: 14px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); font-size: 15px; }
.menu-mas a .ico { font-size: 20px; width: 28px; text-align: center; }
.pie { font-size: 12px; color: var(--muted); margin-top: 6px; }

/* Acceso privado / sesión */
.login-page{min-height:100vh;background:var(--bg,#f6f5f2);display:grid;place-items:center;padding:24px}
.login-shell{width:min(420px,100%)}
.login-card{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:28px;box-shadow:0 18px 46px rgba(0,0,0,.12)}
.login-brand{font-size:48px;line-height:1;margin-bottom:10px}
.login-card h1{margin:0 0 8px;font-size:26px}
.login-message{margin:0 0 20px;line-height:1.5}
.login-form{display:grid;gap:14px}
.login-form label{display:grid;gap:6px;font-size:13px;font-weight:700}
.login-form input{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:10px;background:var(--surface-2);color:var(--text);font:inherit;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}
.login-form .btn{width:100%;justify-content:center;margin-top:4px}
.logout-form{margin-left:auto;display:flex;align-items:center}
.btn-logout{padding:7px 11px;font-size:12px}

/* ---------- Login refinado ---------- */
.login-page{
  background:
    radial-gradient(circle at 50% 12%, color-mix(in srgb,var(--primary) 8%,transparent), transparent 34%),
    var(--bg);
}

.login-shell{
  padding:8px;
}

.login-card{
  position:relative;
  overflow:hidden;
}

.login-card::before{
  content:"";
  position:absolute;
  top:0;
  left:26px;
  right:26px;
  height:2px;
  border:0;
  border-radius:0 0 999px 999px;
  background:linear-gradient(
    90deg,
    transparent 0%,
    var(--primary) 22%,
    var(--primary) 78%,
    transparent 100%
  );
  opacity:.75;
  pointer-events:none;
}

.login-brand{
  filter:drop-shadow(0 3px 5px rgba(0,0,0,.12));
}

.login-card h1{
  color:var(--text);
  letter-spacing:-.02em;
}

.login-message{
  color:var(--text-2);
}

.login-form label{
  color:var(--text-2);
}

.login-form input:hover{
  border-color:color-mix(in srgb,var(--primary) 45%,var(--border));
}

.login-form input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 18%,transparent);
  background:var(--surface);
}

.login-form input::placeholder{
  color:var(--muted);
}

.login-form .btn.primary{
  min-height:42px;
  font-weight:600;
  box-shadow:0 5px 14px color-mix(in srgb,var(--primary) 22%,transparent);
  transition:transform .15s ease,box-shadow .15s ease,filter .15s ease;
}

.login-form .btn.primary:hover{
  filter:brightness(1.04);
  box-shadow:0 7px 18px color-mix(in srgb,var(--primary) 28%,transparent);
}

.login-form .btn.primary:active{
  transform:translateY(1px);
}

@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) .login-card{
    box-shadow:
      0 24px 65px rgba(0,0,0,.42),
      0 0 0 1px rgba(255,255,255,.02);
  }

  :root:not([data-theme="light"]) .login-form input{
    background:#181817;
    border-color:#403f3a;
  }

  :root:not([data-theme="light"]) .login-form input:hover{
    border-color:#55534d;
  }

  :root:not([data-theme="light"]) .login-form input:focus{
    background:#1b1b19;
  }
}