/* ====== Base / fondo ====== */
body {
    font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
    background: radial-gradient(1200px 700px at 20% -10%, rgba(59,130,246,0.25), transparent 60%),
                radial-gradient(1000px 600px at 90% 110%, rgba(99,102,241,0.15), transparent 60%),
                linear-gradient(180deg, #0f172a, #1e293b); /* slate-900 -> slate-800 */
    min-height: 100vh;
  }
  
  /* Centrado vertical del bloque de login sin tocar Blade */
  .container > .row.justify-content-center {
    min-height: calc(100vh - 80px); /* margen para navbar si la hubiera */
    display: flex;
    align-items: center;
  }
  
  /* ====== Tarjeta ====== */
  .container > .row.justify-content-center > .col-md-8 > .card {
    border: none;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
    overflow: hidden;
  }
  
  /* Cabecera de la tarjeta */
  .container > .row.justify-content-center > .col-md-8 > .card > .card-header {
    background: #ffffff;
    border-bottom: 1px solid #f1f5f9; /* slate-100 */
    font-weight: 700;
    color: #0f172a; /* slate-900 */
    padding: 20px 24px;
  }
  
  /* Cuerpo de la tarjeta */
  .container > .row.justify-content-center > .col-md-8 > .card > .card-body {
    background: #ffffff;
    padding: 24px;
  }
  
  /* ====== Labels ====== */
  .col-form-label {
    color: #334155; /* slate-700 */
    font-weight: 600;
  }
  
  /* ====== Inputs ====== */
  .form-control {
    border: 1px solid #e5e7eb;      /* gray-200 */
    border-radius: 12px;
    padding: 12px 14px;
    font-size: 14px;
    transition: border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
    background-color: #fff;
  }
  
  .form-control:focus {
    border-color: #3b82f6;          /* blue-500 */
    box-shadow: 0 0 0 4px rgba(59,130,246,0.25);
  }
  
  /* Estados de error Bootstrap */
  .is-invalid {
    border-color: #ef4444 !important; /* red-500 */
    box-shadow: 0 0 0 4px rgba(239,68,68,0.18) !important;
  }
  .invalid-feedback strong { font-weight: 600; }
  
  /* ====== Checkbox ====== */
  .form-check-input {
    width: 18px; height: 18px;
    border-radius: 6px;
    border: 1px solid #cbd5e1; /* slate-300 */
    cursor: pointer;
    accent-color: #3b82f6;     /* navegadores modernos */
  }
  .form-check-label {
    color: #64748b; /* slate-500 */
    font-size: 14px;
  }
  
  /* ====== Botón principal ====== */
  .btn-primary {
    --btn1: #3b82f6; /* blue-500 */
    --btn2: #2563eb; /* blue-600 */
    background: linear-gradient(90deg, var(--btn1), var(--btn2));
    border: none;
    border-radius: 12px;
    padding: 12px 18px;
    font-weight: 700;
    box-shadow: 0 8px 18px rgba(37, 99, 235, 0.25);
    transition: transform .15s ease, filter .15s ease, box-shadow .15s ease;
  }
  .btn-primary:hover,
  .btn-primary:focus {
    transform: translateY(-1px);
    filter: brightness(1.03);
    box-shadow: 0 10px 22px rgba(37, 99, 235, 0.32);
  }
  .btn-primary:active { transform: translateY(0); }
  
  /* Enlace “Forgot Your Password?” al estilo limpio */
  .btn-link {
    color: #2563eb !important;
    text-decoration: none;
    font-weight: 600;
    padding-left: 10px;
  }
  .btn-link:hover { text-decoration: underline; }
  
  /* ====== Separaciones finas ====== */
  .row.mb-3 { margin-bottom: 1.1rem !important; }
  .row.mb-0 { margin-top: .5rem; }
  
  /* ====== Responsive pequeño ====== */
  @media (max-width: 576px) {
    .container > .row.justify-content-center > .col-md-8 > .card {
      border-radius: 14px;
    }
    .container > .row.justify-content-center {
      min-height: calc(100vh - 40px);
    }
  }
  /* ==== Login Header Custom ==== */
.login-header {
  border-bottom: none !important;
  background: #fff !important;
  padding: 30px 20px 10px;
}

.login-logo {
  width: 60px;
  margin-bottom: 12px;
}

.login-title {
  margin: 0;
  font-weight: 700;
  color: #1e293b; /* slate-800 */
  font-size: 22px;
}

.login-subtitle {
  margin: 6px 0 0;
  color: #64748b; /* slate-500 */
  font-size: 14px;
}