body {
    background: linear-gradient(135deg, #f0fdfa 0%, #ccfbf1 50%, #99f6e4 100%);
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
}

.login-container {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    max-width: 420px;
    width: 100%;
    margin: 0 auto;
    border: 1px solid var(--border-color);
    animation: slideInUp 0.6s ease-out;
}

.login-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--space-8);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.login-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: float 8s ease-in-out infinite;
}

.login-header h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin: 0;
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
}

.login-header p {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    margin: var(--space-2) 0 0;
    position: relative;
    z-index: 1;
}

.login-body {
    padding: var(--space-8);
}

.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    display: block;
    font-size: var(--font-size-sm);
}

.form-control {
    width: 100%;
    padding: var(--space-4);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    transition: all var(--transition);
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--bg-primary);
    box-shadow: 0 0 0 3px var(--primary-100);
    transform: translateY(-1px);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.btn-login {
    width: 100%;
    padding: var(--space-4) var(--space-6);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    font-weight: 600;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s;
}

.btn-login:hover::before {
    left: 100%;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-login:active {
    transform: translateY(0);
}

.login-footer {
    text-align: center;
    padding: var(--space-4) var(--space-8) var(--space-8);
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    background: var(--bg-tertiary);
}

.login-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.login-footer a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.alert {
    border-radius: var(--radius-lg);
    border: none;
    padding: var(--space-4);
    margin-bottom: var(--space-6);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.alert-danger {
    background: #fef2f2;
    color: #dc2626;
    border-left: 4px solid #dc2626;
}

.alert-success {
    background: #f0fdf4;
    color: #16a34a;
    border-left: 4px solid #16a34a;
}
.login-body .form-group label i{
    margin-right: var(--space-2);
}
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% { transform: translate(-50%, -50%) rotate(0deg); }
    50% { transform: translate(-50%, -50%) rotate(180deg); }
}

@media (max-width: 480px) {
    .login-container {
        margin: var(--space-4);
        max-width: none;
    }
    
    .login-header,
    .login-body {
        padding: var(--space-6);
    }
    
    .login-header h1 {
        font-size: var(--font-size-xl);
    }
}