:root {
  --bg: #f4f4f6;          /* lienzo claro, neutro */
  --graphite: #15151a;    /* banda del encabezado (grafito, no azul) */
  --panel: #f7f7f8;       /* relleno sutil (inputs, kpis) */
  --surface: #ffffff;
  --ink: #1a1a1c;
  --ink-2: #55555c;
  --faint: #8a8a90;
  --line: #ececee;
  --line-2: #e0e0e3;
  --gold: #b0832f;
  --gold-soft: #f4ecdb;
  --green: #2f7d52;
  --blood: #b23a2e;
  --radius: 16px;
  --radius-sm: 11px;
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --shadow: 0 1px 2px rgba(16,16,18,.04), 0 12px 32px -16px rgba(16,16,18,.14);
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: -.011em;
  -webkit-font-smoothing: antialiased;
}
.shell { min-height: 100vh; display: flex; flex-direction: column; }

/* Encabezado: banda grafito con la marca, look tecnológico sobrio. */
.top {
  color: #f4f4f6;
  padding: 30px 24px 64px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(130% 120% at 88% -20%, rgba(176,131,47,.2), transparent 55%),
    var(--graphite);
  border-radius: 0 0 var(--radius) var(--radius);
}
.top > * { position: relative; z-index: 1; max-width: 720px; margin-left: auto; margin-right: auto; }
.brand { display: flex; align-items: center; gap: 10px; color: #f4f4f6; }
.chev { width: 26px; height: 26px; color: var(--gold); flex: 0 0 auto; }
.chev.sm { width: 22px; height: 22px; }
.wm { font-weight: 700; letter-spacing: .2em; font-size: 14px; }
.dot { width: 3px; height: 3px; border-radius: 50%; background: #5a5a60; }
.despacho-tag { font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: #a6a6ac; }
.kicker { margin: 30px 0 10px; font-size: 11px; letter-spacing: .34em; text-transform: uppercase; color: var(--gold); }
.top h1 { margin: 0 0 8px; font-weight: 650; font-size: clamp(1.8rem, 5vw, 2.7rem); letter-spacing: -.025em; line-height: 1.05; }
.top .sub { margin: 0; color: #b9b9c0; max-width: 50ch; }

/* Contenido sobre tarjeta clara que se "monta" sobre la banda. */
.wrap {
  flex: 1;
  width: 100%;
  max-width: 720px;
  margin: -40px auto 0;
  padding: 0 24px 56px;
}

.card, .bloque {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* Acceso por PIN */
.pin-card { max-width: 420px; margin: 0 auto; padding: 30px 30px; }
.pin-card h2 { margin: 0 0 6px; font-weight: 650; font-size: 1.4rem; letter-spacing: -.02em; }
.muted { color: var(--faint); margin: 0 0 20px; font-size: 14px; }
form label { display: block; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin-bottom: 8px; }
form input {
  width: 100%; font: inherit; color: var(--ink);
  background: var(--panel); border: 1px solid var(--line-2);
  border-radius: var(--radius-sm); padding: 13px 15px;
  text-align: center; font-size: 1.4rem; letter-spacing: .4em;
}
form input::placeholder { letter-spacing: .3em; color: #c4c4c8; }
form input:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 4px var(--gold-soft); }
form button {
  margin-top: 16px; width: 100%; font: inherit; font-weight: 600; cursor: pointer;
  font-size: 14px; letter-spacing: .04em; color: #fff; background: var(--ink);
  border: 0; border-radius: var(--radius-sm); padding: 13px;
  transition: transform .15s ease, background .2s ease;
}
form button:hover { background: #000; transform: translateY(-1px); }
form button:disabled { opacity: .5; cursor: default; transform: none; }
.msg { margin: 14px 0 0; font-size: 13px; min-height: 1.2em; text-align: center; }
.msg.ok { color: var(--green); }
.msg.err { color: var(--blood); }
.estado { text-align: center; color: var(--ink-2); margin-top: 44px; font-size: 14px; }

/* Bloques de contenido */
.exp-cab { padding: 4px 4px 0; }
.exp-cab .num { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--faint); }
.exp-cab h2 { margin: 4px 0 0; font-weight: 650; font-size: 1.5rem; letter-spacing: -.02em; }
.exp-cab .etapa {
  display: inline-block; margin-top: 12px; padding: 5px 12px;
  background: var(--gold-soft); color: var(--gold); border-radius: 999px;
  font-size: 12px; font-weight: 600; letter-spacing: .02em;
}
.bloque { padding: 22px 24px; margin-top: 18px; }
.bloque h3 { margin: 0 0 16px; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--faint); font-weight: 600; }

.avance { padding-left: 16px; border-left: 2px solid var(--gold); margin-bottom: 18px; }
.avance:last-child { margin-bottom: 0; }
.avance p { margin: 0; color: var(--ink); }
.avance .meta { margin-top: 5px; font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--faint); }

.evento { display: flex; justify-content: space-between; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.evento:last-child { border-bottom: 0; padding-bottom: 0; }
.evento:first-child { padding-top: 0; }
.evento .t { color: var(--ink); }
.evento .t small { color: var(--faint); text-transform: uppercase; letter-spacing: .08em; font-size: 10px; margin-left: 8px; }
.evento .f { font-variant-numeric: tabular-nums; color: var(--gold); white-space: nowrap; font-weight: 600; font-size: 14px; }
.evento .ind { display: block; color: var(--faint); font-size: 13px; margin-top: 3px; }

.cuenta-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 18px; }
.kpi { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 16px; background: var(--panel); }
.kpi span { display: block; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); }
.kpi b { display: block; font-size: 1.2rem; margin-top: 6px; font-weight: 650; letter-spacing: -.02em; }
.kpi.due { background: var(--gold-soft); border-color: transparent; }
.kpi.due b { color: var(--gold); }
.factura { display: flex; justify-content: space-between; padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.factura:last-child { border-bottom: 0; padding-bottom: 0; }
.factura:first-child { padding-top: 0; }
.factura .id { font-variant-numeric: tabular-nums; color: var(--faint); }
.vacio { color: var(--faint); font-size: 14px; margin: 0; }

/* Pie con marca */
.pie { padding: 34px 24px 44px; text-align: center; color: var(--faint); }
.brandmark { display: inline-flex; align-items: center; gap: 11px; color: var(--gold); }
.brandmark .bm-txt { text-align: left; }
.brandmark strong { display: block; color: #2a2a2e; font-size: 13px; letter-spacing: .18em; }
.brandmark span { display: block; color: var(--faint); font-size: 11px; letter-spacing: .02em; }
.fine { margin: 14px 0 0; font-size: 11px; letter-spacing: .04em; color: var(--faint); }

@media (max-width: 480px) {
  .cuenta-kpis { grid-template-columns: 1fr; }
}