/* Tablero de gestión — TDH Solutions
   Paleta: tinta / papel / petróleo / ámbar. Números en mono tabular. */

:root {
  --ink: #171b21;
  --ink-70: #4a545f;
  --ink-45: #7d8794;
  --line: #d9dedd;
  --paper: #eef1f0;
  --card: #ffffff;
  --petrol: #0e6e6e;
  --petrol-soft: #e2efee;
  --amber: #b7761a;
  --pos: #17795e;
  --neg: #bd3b31;
  --radius: 6px;
  --sombra: 0 1px 2px rgba(23, 27, 33, .06), 0 8px 24px -18px rgba(23, 27, 33, .35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

.num { font-family: "IBM Plex Mono", ui-monospace, monospace; font-variant-numeric: tabular-nums; }

/* ---------- estructura ---------- */
.app { display: flex; min-height: 100vh; }

.rail {
  width: 208px; flex: 0 0 208px;
  background: var(--ink); color: #fff;
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.rail__marca {
  padding: 22px 20px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.rail__marca strong { display: block; font-size: 15px; letter-spacing: .02em; }
.rail__marca span { font-size: 11px; color: rgba(255, 255, 255, .5); letter-spacing: .12em; text-transform: uppercase; }
.rail nav { padding: 14px 12px; display: flex; flex-direction: column; gap: 2px; }
.rail nav a {
  color: rgba(255, 255, 255, .72); text-decoration: none;
  padding: 9px 12px; border-radius: var(--radius); font-size: 13.5px;
  display: flex; align-items: center; gap: 9px;
}
.rail nav a:hover { background: rgba(255, 255, 255, .07); color: #fff; }
.rail nav a.activo { background: var(--petrol); color: #fff; }
.rail__pie { margin-top: auto; padding: 16px 20px; border-top: 1px solid rgba(255, 255, 255, .12); font-size: 12px; color: rgba(255, 255, 255, .55); }
.rail__pie a { color: rgba(255, 255, 255, .8); }

.main { flex: 1; min-width: 0; padding: 24px 28px 56px; }

/* ---------- encabezado y filtros ---------- */
.cabecera { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 18px; }
.cabecera h1 { margin: 0; font-size: 22px; font-weight: 600; letter-spacing: -.01em; }
.cabecera p { margin: 2px 0 0; color: var(--ink-45); font-size: 13px; }

.filtros { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
select, input[type="file"], input[type="email"], input[type="password"] {
  font: inherit; padding: 7px 10px; border: 1px solid var(--line);
  border-radius: var(--radius); background: var(--card); color: var(--ink);
}
select:focus-visible, input:focus-visible, button:focus-visible, a:focus-visible {
  outline: 2px solid var(--petrol); outline-offset: 2px;
}
.btn {
  font: inherit; font-weight: 500; padding: 8px 14px; border-radius: var(--radius);
  border: 1px solid var(--ink); background: var(--ink); color: #fff; cursor: pointer;
}
.btn:hover { background: #000; }
.btn--suave { background: var(--card); color: var(--ink); border-color: var(--line); }
.btn--suave:hover { background: #f6f8f8; }
.btn--riesgo { background: none; border-color: var(--line); color: var(--neg); padding: 4px 9px; font-size: 12px; }

/* ---------- tarjetas KPI ---------- */
.kpis { display: grid; grid-template-columns: repeat(6, minmax(150px, 1fr)); gap: 12px; margin-bottom: 18px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px 12px; box-shadow: var(--sombra); }
.kpi__rotulo { font-size: clamp(9.5px, 0.75vw, 11px); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-45); }
.kpi__valor { font-size: clamp(18px, 1.6vw, 25px); white-space: nowrap; font-weight: 500; margin: 6px 0 8px; letter-spacing: -.02em; }
.kpi__valor small { font-size: 14px; color: var(--ink-45); font-weight: 400; }
.kpi__vars { display: flex; gap: 14px; border-top: 1px solid var(--line); padding-top: 8px; font-size: 12px; }
.kpi__var span { display: block; color: var(--ink-45); font-size: 10.5px; letter-spacing: .06em; text-transform: uppercase; }
.sube { color: var(--pos); font-weight: 600; }
.baja { color: var(--neg); font-weight: 600; }
.plano { color: var(--ink-45); }

/* ---------- paneles ---------- */
.grilla { display: grid; gap: 12px; grid-template-columns: repeat(12, 1fr); }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px 16px; box-shadow: var(--sombra); min-width: 0; }
.panel h2 { margin: 0 0 2px; font-size: 13.5px; font-weight: 600; }
.panel .ayuda { margin: 0 0 12px; font-size: 11.5px; color: var(--ink-45); }
.col-12 { grid-column: span 12; } .col-8 { grid-column: span 8; }
.col-6 { grid-column: span 6; } .col-4 { grid-column: span 4; }
.lienzo { position: relative; height: 260px; }
.lienzo--bajo { height: 210px; }

/* ---------- tablas ---------- */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; font-size: 10.5px; letter-spacing: .09em; text-transform: uppercase; color: var(--ink-45); font-weight: 500; padding: 6px 8px; border-bottom: 1px solid var(--line); }
td { padding: 7px 8px; border-bottom: 1px solid #f0f2f2; }
tbody tr:hover { background: #fafbfb; }
.der { text-align: right; }
.barra { height: 5px; border-radius: 3px; background: var(--petrol); display: block; }
.barra--tenue { background: var(--petrol-soft); }

/* ---------- avisos ---------- */
.aviso { padding: 11px 14px; border-radius: var(--radius); margin-bottom: 14px; font-size: 13px; border: 1px solid; }
.aviso--ok { background: #eaf6f2; border-color: #b8ded1; color: #10553f; }
.aviso--mal { background: #fdeeec; border-color: #f2c4bf; color: #8e2a22; }
.aviso--info { background: var(--petrol-soft); border-color: #b9d8d6; color: #0b4f4f; }

.vacio { text-align: center; padding: 60px 20px; color: var(--ink-45); }
.vacio strong { display: block; color: var(--ink); font-size: 16px; margin-bottom: 6px; }

.etiqueta { display: inline-block; font-size: 11px; padding: 2px 7px; border-radius: 10px; background: var(--paper); border: 1px solid var(--line); color: var(--ink-70); }
.etiqueta--error { background: #fdeeec; border-color: #f2c4bf; color: #8e2a22; }

/* ---------- login ---------- */
.acceso { min-height: 100vh; display: grid; place-items: center; background: var(--ink); padding: 20px; }
.acceso__caja { background: var(--card); border-radius: 8px; padding: 32px; width: 100%; max-width: 372px; }
.acceso__caja h1 { margin: 0 0 4px; font-size: 20px; }
.acceso__caja p.sub { margin: 0 0 22px; color: var(--ink-45); font-size: 13px; }
.campo { margin-bottom: 14px; }
.campo label { display: block; font-size: 11.5px; letter-spacing: .07em; text-transform: uppercase; color: var(--ink-45); margin-bottom: 5px; }
.campo input { width: 100%; }
.acceso .btn { width: 100%; padding: 10px; }

@media (max-width: 1100px) { .col-8, .col-6, .col-4 { grid-column: span 12; } }


@media (max-width: 760px) {
  .app { flex-direction: column; }
  .rail { width: 100%; flex: none; height: auto; position: static; }
  .rail nav { flex-direction: row; overflow-x: auto; }
  .rail__pie { display: none; }
  .main { padding: 16px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }