:root {
  --bg: #f4f5fa; --surface: #ffffff; --border: #dfe1ec; --text: #1b1d2a; --muted: #6b6f85;
  --accent: #5b4bd6; --accent-soft: rgba(91, 75, 214, 0.08); --ok: #0f9d6b; --err: #c62f3a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1117; --surface: #1a1d27; --border: #2e3348; --text: #e8e9f1; --muted: #9a9eb5;
    --accent: #a29bfe; --accent-soft: rgba(162, 155, 254, 0.10); --ok: #34d399; --err: #f87171;
  }
}
* { box-sizing: border-box; margin: 0; }
[hidden] { display: none !important; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg); color: var(--text); min-height: 100vh; line-height: 1.4;
}
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 20px; }
.marca { font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
h1 { font-size: 22px; font-weight: 700; margin-top: 2px; text-wrap: balance; }
label { display: block; font-size: 13px; font-weight: 600; color: var(--muted); margin-bottom: 6px; }
input {
  width: 100%; font: inherit; font-size: 17px; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 10px; padding: 11px 12px; outline: none;
}
input:focus-visible, .btn:focus-visible, .link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn {
  width: 100%; margin-top: 18px; padding: 12px; border: 0; border-radius: 10px; font: inherit;
  font-weight: 700; background: var(--accent); color: #fff; cursor: pointer;
}
.link { background: none; border: 0; color: var(--muted); font: inherit; cursor: pointer; text-decoration: underline; }
.error { color: var(--err); font-size: 13px; min-height: 18px; margin-top: 10px; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 380px; display: grid; }
.login-card h1 { margin-bottom: 18px; }
.login-card label { margin-top: 10px; }

.app { max-width: 760px; margin: 0 auto; padding: 24px 16px 40px; display: grid; gap: 16px; }
.top { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; }
.entradas { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
.pesos { position: relative; }
.pesos span { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 17px; }
.pesos input { padding-left: 28px; font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.pesos input::placeholder, input::placeholder { color: var(--muted); opacity: 0.55; font-weight: 400; }
.plan .hint { font-size: 13px; color: var(--muted); margin-top: 10px; }
.estado { font-size: 13px; color: var(--muted); min-height: 0; }
.estado.err { color: var(--err); }

.planes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.plan { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 18px 16px; text-align: center; }
.plan .n { font-size: 13px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.plan .cuota { font-size: 26px; font-weight: 800; margin-top: 6px; font-variant-numeric: tabular-nums; color: var(--accent); }
.plan .sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.plan.vacio .cuota { color: var(--muted); }

.otra-fila { display: grid; grid-template-columns: 140px 1fr; gap: 14px; align-items: center; }
.otra-res { font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; }
.otra-res .sub { display: block; font-size: 12px; font-weight: 400; color: var(--muted); }
.nota { font-size: 12px; color: var(--muted); text-align: center; }

@media (max-width: 560px) {
  .entradas { grid-template-columns: 1fr; }
  .planes { grid-template-columns: 1fr; }
  .plan { display: flex; justify-content: space-between; align-items: center; text-align: left; }
  .plan .cuota { margin-top: 0; font-size: 22px; }
  .otra-fila { grid-template-columns: 1fr; }
}

/* Aprobar préstamo */
.btn-aprobar {
  margin-top: 10px; padding: 7px 12px; border: 1px solid var(--accent); border-radius: 8px;
  background: transparent; color: var(--accent); font: inherit; font-size: 13px; font-weight: 700; cursor: pointer;
}
.btn-aprobar:hover { background: var(--accent-soft); }
.btn-aprobar:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.otra-res .btn-aprobar { margin-top: 6px; }
.aprobar { display: grid; gap: 14px; }
.aprobar-top { display: flex; justify-content: space-between; align-items: center; }
.aprobar-top h2 { font-size: 18px; }
.aprobar-resumen { background: var(--accent-soft); border-radius: 10px; padding: 12px 14px; font-size: 15px; }
.aprobar-resumen strong { font-variant-numeric: tabular-nums; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; }
.grid2 .full { grid-column: 1 / -1; }
.grid2 input, .grid2 select { font-size: 15px; }
select {
  width: 100%; font: inherit; font-size: 15px; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 10px; padding: 11px 12px;
}
input[type=file] { padding: 9px; font-size: 14px; }
.campo .sub { font-size: 12px; color: var(--muted); margin-top: 4px; }
.aprobar-ok { background: var(--accent-soft); border-radius: 10px; padding: 16px; font-size: 15px; line-height: 1.5; }
.aprobar-ok strong { color: var(--ok); }
.btn:disabled { opacity: 0.6; cursor: wait; }
@media (max-width: 560px) {
  .grid2 { grid-template-columns: 1fr; }
  .plan { flex-wrap: wrap; }
  .plan .btn-aprobar { width: 100%; }
}

/* Vehículo */
.paso { font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin: 6px 0 10px; }
.paso:not(:first-child) { margin-top: 18px; }
.vh-links { display: flex; flex-wrap: wrap; gap: 8px; }
.vh-links a {
  display: inline-block; padding: 7px 12px; border-radius: 8px; border: 1px solid var(--border);
  color: var(--text); text-decoration: none; font-size: 13px; font-weight: 600; background: var(--bg);
}
.vh-links a:hover { border-color: var(--accent); color: var(--accent); }
.vh-links a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.vh-tope { font-size: 14px; border-radius: 10px; padding: 10px 12px; }
.vh-tope:empty { display: none; }
.vh-tope.ok { background: rgba(15, 157, 107, 0.10); color: var(--ok); }
.vh-tope.mal { background: rgba(198, 47, 58, 0.10); color: var(--err); }

.sesion { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--muted); }