/* =====================================================
   Banco Guaraní — Banca en Línea
   Diseño propio: verde bosque + dorado
===================================================== */

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --verde: #1a5c3a;
  --verde-claro: #2d8659;
  --verde-oscuro: #0f3d26;
  --dorado: #c9a227;
  --dorado-claro: #e6c84a;
  --bg: #f4f7f5;
  --blanco: #ffffff;
  --texto: #1a2e23;
  --texto-muted: #5a7a66;
  --borde: #d4e2d9;
  --radius: 10px;
  --sombra: 0 4px 20px rgba(0, 0, 0, 0.08);
  --sombra-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
}

body {
  min-height: 100vh;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--texto);
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  background: var(--verde-oscuro);
  padding: 0 24px;
  border-bottom: 3px solid var(--dorado);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--dorado);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon svg {
  width: 20px;
  height: 20px;
  color: var(--verde-oscuro);
}

.logo-text {
  font-size: 18px;
  color: var(--blanco);
  letter-spacing: -0.3px;
}

.logo-text strong {
  color: var(--dorado-claro);
}

.nav {
  display: flex;
  gap: 24px;
}

.nav a {
  color: #b8d4c4;
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: color 0.2s;
}

.nav a:hover { color: var(--dorado-claro); }

/* Main */
.main {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 40px 24px;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 60px;
}

/* Hero text */
.hero-text {
  flex: 1;
}

.hero-text h1 {
  font-size: 32px;
  font-weight: 700;
  color: var(--verde-oscuro);
  line-height: 1.3;
  margin-bottom: 14px;
}

.hero-text h1 span {
  color: var(--dorado);
}

.hero-text p {
  font-size: 15px;
  color: var(--texto-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--texto-muted);
}

.features li::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--dorado);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Login card */
.login-card {
  width: 380px;
  background: var(--blanco);
  border-radius: var(--radius);
  box-shadow: var(--sombra-lg);
  padding: 32px 28px;
  border-top: 4px solid var(--dorado);
}

.login-header {
  text-align: center;
  margin-bottom: 24px;
}

.login-header h2 {
  font-size: 20px;
  color: var(--verde-oscuro);
  margin-bottom: 4px;
}

.login-header p {
  font-size: 13px;
  color: var(--texto-muted);
}

/* Fields */
.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--texto);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.field input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--borde);
  border-radius: 6px;
  font-size: 14px;
  color: var(--texto);
  background: #fafcfb;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field input:focus {
  border-color: var(--verde-claro);
  box-shadow: 0 0 0 3px rgba(45, 134, 89, 0.1);
}

.field input::placeholder { color: #a0b8a8; }

/* Button */
.btn-ingresar {
  width: 100%;
  padding: 13px;
  background: var(--verde);
  color: var(--blanco);
  border: none;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.btn-ingresar:hover {
  background: var(--verde-claro);
  transform: translateY(-1px);
}

.btn-ingresar:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Form message */
.form-msg {
  margin-top: 10px;
  font-size: 13px;
  text-align: center;
  min-height: 18px;
}

.form-msg.error { color: #c0392b; }
.form-msg.info { color: var(--verde-claro); }

/* Links */
.login-links {
  display: flex;
  justify-content: space-between;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--borde);
}

.login-links a {
  font-size: 12px;
  color: var(--verde-claro);
  text-decoration: none;
  transition: color 0.2s;
}

.login-links a:hover { color: var(--dorado); }

/* Secure badge */
.login-secure {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 11px;
  color: var(--texto-muted);
}

.login-secure svg { color: var(--verde-claro); }

/* Footer */
.footer {
  background: var(--verde-oscuro);
  padding: 18px 24px;
  text-align: center;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer p {
  color: #8fb8a0;
  font-size: 12px;
}

.footer-legal {
  margin-top: 4px;
  font-size: 11px;
  color: #5a8a6e;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    flex-direction: column;
    gap: 30px;
  }

  .hero-text { text-align: center; }
  .features { align-items: center; }
  .login-card { width: 100%; max-width: 380px; }
  .nav { display: none; }

  .hero-text h1 { font-size: 26px; }
}