/* ============================================================
   Cotizador de Créditos — hoja de estilos
   Paleta: tinta marino + latón, sobre papel cálido.
   Tipografía: Fraunces (títulos) · IBM Plex Sans (interfaz) · IBM Plex Mono (cifras)
   ============================================================ */

:root {
  --ink: #16213A;
  --ink-2: #24314F;
  --paper: #F5F6F1;
  --surface: #FFFFFF;
  --accent: #B8863B;
  --accent-dark: #8F6A2C;
  --good: #3B6E52;
  --good-bg: #E9F1EC;
  --bad: #B23B3B;
  --bad-bg: #FBEAEA;
  --line: #DDD8C8;
  --line-soft: #EAE7DB;
  --text: #1C1F26;
  --text-muted: #6B7280;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Menlo, monospace;

  --radio: 3px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 0.3em;
}

a { color: var(--ink); }
a:hover { color: var(--accent-dark); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- Estructura general ---------- */

.app { min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
  background: var(--ink);
  color: #EFEFE8;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 0 24px;
  height: 60px;
  flex-wrap: wrap;
}

.brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  color: #FFFFFF;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.topnav {
  display: flex;
  gap: 20px;
  flex: 1;
  flex-wrap: wrap;
}

.topnav a {
  color: #C7CBD8;
  text-decoration: none;
  font-size: 14px;
  padding: 20px 0;
  border-bottom: 2px solid transparent;
}

.topnav a:hover { color: #FFFFFF; }

.topnav a.activo {
  color: #FFFFFF;
  border-bottom-color: var(--accent);
}

.userbox {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: #C7CBD8;
}

.userbox-nombre { white-space: nowrap; }

.salir {
  color: #C7CBD8;
  text-decoration: none;
  border: 1px solid #3B4966;
  padding: 6px 12px;
  border-radius: var(--radio);
}

.salir:hover { color: #FFFFFF; border-color: #566486; }

.main {
  flex: 1;
  padding: 32px 24px 60px;
  max-width: 1080px;
  margin: 0 auto;
  width: 100%;
}

/* ---------- Login / setup (pantalla dividida) ---------- */

.login-body { margin: 0; background: var(--ink); }

.login-split {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
}

.login-hero {
  background: var(--ink);
  color: #EFEFE8;
  display: flex;
  align-items: center;
  padding: 48px;
  background-image:
    linear-gradient(180deg, rgba(184,134,59,0.10), transparent 40%);
}

.login-hero-inner { max-width: 420px; }

.login-hero-marca {
  font-family: var(--font-display);
  font-size: 20px;
  color: #FFFFFF;
  margin: 0 0 40px;
}

.login-hero-formula {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.4vw, 34px);
  color: #F1E6D2;
  margin: 0 0 20px;
  letter-spacing: 0.01em;
}

.login-hero-formula span { color: var(--accent); }

.login-hero-texto {
  color: #ADB4C6;
  font-size: 15px;
  line-height: 1.6;
  max-width: 360px;
}

.login-panel {
  background: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}

.login-form {
  width: 100%;
  max-width: 340px;
}

.login-form h1 { font-size: 26px; margin-bottom: 6px; }

.login-sub {
  color: var(--text-muted);
  font-size: 14px;
  margin: 0 0 24px;
}

.login-error {
  background: var(--bad-bg);
  color: var(--bad);
  border: 1px solid #E9C6C6;
  padding: 10px 14px;
  border-radius: var(--radio);
  font-size: 13.5px;
  margin: 0 0 18px;
}

.login-form label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin: 16px 0 6px;
}

.login-form input {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radio);
  background: var(--surface);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text);
}

.login-form input:focus { border-color: var(--accent); }

.login-form button {
  margin-top: 24px;
  width: 100%;
}

@media (max-width: 780px) {
  .login-split { grid-template-columns: 1fr; }
  .login-hero { padding: 36px 28px; }
}

/* ---------- Botones y formularios ---------- */

button, .btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  background: var(--ink);
  color: #FFFFFF;
  border: none;
  padding: 11px 18px;
  border-radius: var(--radio);
  cursor: pointer;
}

button:hover { background: var(--ink-2); }
button:disabled { background: #B7BBC6; cursor: not-allowed; }

label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin: 0 0 6px;
}

input[type="text"],
input[type="password"],
input[type="number"],
select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radio);
  background: var(--surface);
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--text);
}

input:focus, select:focus { border-color: var(--accent); }

.chk {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text);
}

.chk input { width: auto; margin: 0; }

/* ---------- Cotizador ---------- */

.cotizador {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radio);
  padding: 28px;
}

.panel-sub {
  color: var(--text-muted);
  font-size: 14px;
  margin: 0 0 24px;
}

.modo-toggle {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: var(--radio);
  overflow: hidden;
  margin-bottom: 24px;
}

.modo-btn {
  background: var(--surface);
  color: var(--text-muted);
  border: none;
  padding: 9px 16px;
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  border-right: 1px solid var(--line);
}

.modo-btn:last-child { border-right: none; }

.modo-btn.activo {
  background: var(--ink);
  color: #FFFFFF;
}

.modo-btn:hover:not(.activo) { background: var(--paper); }

#form-cotizar label { margin-top: 16px; }
#form-cotizar label:first-of-type { margin-top: 0; }

#btn-cotizar { margin-top: 22px; width: 100%; }

.mensaje-vacio {
  margin-top: 12px;
  font-size: 13.5px;
  color: var(--text-muted);
}

.panel-resultado {
  border-top: 4px solid var(--accent);
  position: sticky;
  top: 24px;
}

.resultado-etiqueta {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}

.resultado-cifra {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(32px, 4vw, 42px);
  color: var(--good);
  margin: 4px 0 24px;
  letter-spacing: -0.01em;
}

.resultado-detalle .fila {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
}

.resultado-detalle .fila span:first-child { color: var(--text-muted); }

.resultado-detalle .fila span:last-child {
  font-family: var(--font-mono);
  text-align: right;
}

.resultado-detalle hr {
  border: none;
  border-top: 1px dashed var(--line);
  margin: 6px 0;
}

.fila-total span {
  font-weight: 600;
  color: var(--ink);
  font-size: 15.5px !important;
}

@media (max-width: 860px) {
  .cotizador { grid-template-columns: 1fr; }
  .panel-resultado { position: static; }
}

/* ---------- Panel de administración ---------- */

.admin-encabezado { margin-bottom: 24px; }

.admin-tarjetas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
}

.admin-tarjeta {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radio);
  padding: 20px;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.admin-tarjeta:hover { border-color: var(--accent); }

.admin-tarjeta .cifra {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 600;
  color: var(--ink);
}

.form-inline {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radio);
  padding: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 16px;
  margin-bottom: 20px;
}

.form-inline label { margin: 0 0 6px; }
.form-inline > * { min-width: 150px; }
.form-inline .chk { min-width: auto; padding-bottom: 10px; }
.form-inline button { min-width: auto; }

.form-factor { align-items: end; }

.cancelar {
  font-size: 13.5px;
  color: var(--text-muted);
  text-decoration: none;
  padding-bottom: 11px;
}

.form-filtro {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.form-filtro label { margin: 0; white-space: nowrap; }
.form-filtro select { width: auto; min-width: 200px; }

.aviso {
  padding: 10px 14px;
  border-radius: var(--radio);
  font-size: 13.5px;
  margin: 0 0 16px;
}

.aviso-ok { background: var(--good-bg); color: var(--good); border: 1px solid #C7DFD1; }
.aviso-error { background: var(--bad-bg); color: var(--bad); border: 1px solid #E9C6C6; }

/* ---------- Tablas tipo libro mayor ---------- */

.tabla {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radio);
  overflow: hidden;
}

.tabla th, .tabla td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  text-align: left;
}

.tabla th {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 12.5px;
  background: var(--paper);
}

.tabla tbody tr:last-child td { border-bottom: none; }
.tabla tbody tr:hover { background: #FBFAF6; }

.tabla-num td.num, .tabla-num th:nth-child(1) { text-align: right; }
.tabla .mono { font-family: var(--font-mono); }

.tabla .vacio { color: var(--text-muted); text-align: center; padding: 24px; }

.estado {
  font-size: 12px;
  padding: 3px 9px;
  border-radius: 12px;
  display: inline-block;
}

.estado-activo { background: var(--good-bg); color: var(--good); }
.estado-inactivo { background: #EFEFEA; color: var(--text-muted); }

.acciones {
  display: flex;
  align-items: center;
  gap: 14px;
  white-space: nowrap;
}

.acciones a { font-size: 13.5px; text-decoration: none; }
.acciones a:hover { text-decoration: underline; }

.link-eliminar {
  background: none;
  color: var(--bad);
  font-weight: 400;
  font-size: 13.5px;
  padding: 0;
}

.link-eliminar:hover { background: none; text-decoration: underline; color: var(--bad); }

@media (max-width: 700px) {
  .topbar { height: auto; padding: 14px 16px; }
  .userbox { margin-left: auto; }
  .main { padding: 24px 16px 48px; }
  .tabla { display: block; overflow-x: auto; }
}