:root {
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

body {
    background-color: #f0f2f5;
    background-image: 
        radial-gradient(at 0% 0%, hsla(253,16%,7%,1) 0, transparent 50%), 
        radial-gradient(at 50% 0%, hsla(225,39%,30%,1) 0, transparent 50%), 
        radial-gradient(at 100% 0%, hsla(339,49%,30%,1) 0, transparent 50%);
    background-size: cover;
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.bg-shape {
    position: absolute;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.6;
    animation: float 10s infinite ease-in-out alternate;
}
.shape-1 {
    top: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: #8E2DE2;
    border-radius: 50%;
}
.shape-2 {
    bottom: -10%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: #4A00E0;
    border-radius: 50%;
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(30px, 50px) rotate(10deg); }
}

.login-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: var(--glass-shadow);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.brand-logo {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 32px;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(118, 75, 162, 0.4);
}

.btn-google {
    background-color: white;
    border: 1px solid #dadce0;
    color: #3c4043;
    font-weight: 500;
    font-size: 16px;
    padding: 12px 24px;
    border-radius: 50px;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.btn-google:hover {
    background-color: #f8f9fa;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border-color: #d2e3fc;
}

.btn-google:active {
    background-color: #f1f3f4;
}

.divider {
    display: flex;
    align-items: center;
    text-align: center;
    color: #6c757d;
    margin: 1.5rem 0;
    font-size: 0.875rem;
}
.divider::before, .divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}
.divider:not(:empty)::before { margin-right: .5em; }
.divider:not(:empty)::after { margin-left: .5em; }

.footer-text {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.8);
    margin-top: 2rem;
    text-align: center;
}