body { 
    font-family: 'Poppins', sans-serif; 
    background: linear-gradient(135deg, #059669 0%, #047857 50%, #065f46 100%);
    position: relative;
    overflow-x: hidden;
}

/* Shimmer Effect */
.shimmer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.1) 25%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0.1) 75%,
        transparent 100%
    );
    background-size: 200% 100%;
    animation: shimmer 8s ease-in-out infinite;
    pointer-events: none;
    z-index: 1;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    50% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.login-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(5, 150, 105, 0.2), 
                0 8px 16px rgba(0, 0, 0, 0.1);
}

.gradient-text {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Logo Floating Animation */
.logo-floating {
    animation: floating 7s ease-in-out infinite;
    filter: drop-shadow(0 8px 16px rgba(5, 150, 105, 0.3));
}

@keyframes floating {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    25% {
        transform: translateY(-10px) rotate(1deg);
    }
    50% {
        transform: translateY(-15px) rotate(0deg);
    }
    75% {
        transform: translateY(-10px) rotate(-1deg);
    }
}

/* Animated Bubbles */
.bubble {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    animation: float-up 8s infinite linear;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

.bubble:nth-child(1) {
    width: 80px;
    height: 80px;
    left: 10%;
    animation-delay: 0s;
    animation-duration: 8s;
}

.bubble:nth-child(2) {
    width: 60px;
    height: 60px;
    left: 20%;
    animation-delay: 2s;
    animation-duration: 6s;
}

.bubble:nth-child(3) {
    width: 100px;
    height: 100px;
    left: 70%;
    animation-delay: 4s;
    animation-duration: 10s;
}

.bubble:nth-child(4) {
    width: 40px;
    height: 40px;
    left: 80%;
    animation-delay: 1s;
    animation-duration: 7s;
}

.bubble:nth-child(5) {
    width: 90px;
    height: 90px;
    left: 50%;
    animation-delay: 3s;
    animation-duration: 9s;
}

.bubble:nth-child(6) {
    width: 70px;
    height: 70px;
    left: 30%;
    animation-delay: 5s;
    animation-duration: 8s;
}

@keyframes float-up {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) scale(1);
        opacity: 0;
    }
}