body {
    font-family: 'Poppins', sans-serif;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #a18cd1, #8476a1, #8ec5fc, #e0c3fc);
    background-size: 300% 300%;
    animation: gradientMove 10s ease infinite;
    position: relative;
    overflow: hidden;
}

/* Mantener la animación de fondo flotante de la tienda */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(107, 70, 193, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

/* Decoraciones de admin flotantes */
body::after {
    content: '⚙️ 📊 💻 📋 🔧 📈 ⭐ 🔐';
    position: fixed;
    top: 20px;
    left: 0;
    width: 100%;
    font-size: 2rem;
    opacity: 0.1;
    animation: sparkleFloat 15s linear infinite;
    pointer-events: none;
    z-index: -1;
    white-space: nowrap;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

@keyframes sparkleFloat {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

@keyframes gradientMove {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.card {
    border-radius: 20px;
    box-shadow: 0px 8px 30px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    background: rgba(255,255,255,0.2);
    border: none;
    animation: fadeIn 1s ease-in-out;
    position: relative;
    z-index: 10;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.btn-gradient {
    background: linear-gradient(90deg, #667eea, #764ba2);
    border: none;
    color: white;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-gradient:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 15px rgba(118, 75, 162, 0.4);
}

.form-control.rounded-pill {
    background: rgba(255, 255, 255, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #333;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control.rounded-pill:focus {
    background: rgba(255, 255, 255, 0.6);
    border-color: #667eea;
    box-shadow: 0 0 0 0.25rem rgba(102, 126, 234, 0.25);
}

.text-muted {
    color: rgba(51, 51, 51, 0.7) !important;
}