.login-container {
    background: linear-gradient(135deg, #007bff 0%, #17a2b8 50%, #6f42c1 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%), radial-gradient(circle at 70% 80%, rgba(255, 193, 7, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: slideInUp 0.8s ease-out;
    position: relative;
    z-index: 2;
}

.login-header {
    background: linear-gradient(135deg, #007bff, #17a2b8);
    border-radius: 20px 20px 0 0;
    padding: 30px;
    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: rotate 20s linear infinite;
    }

.login-title {
    color: white;
    font-weight: 700;
    font-size: 1.8rem;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 2;
}

.logo-container {
    margin-bottom: 20px;
    animation: fadeInDown 1s ease-out 0.3s both;
}

    .logo-container img {
        filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.2));
        transition: transform 0.3s ease;
    }

        .logo-container img:hover {
            transform: scale(1.05);
        }

.form-group {
    position: relative;
    margin-bottom: 25px;
}

.form-control {
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid #e9ecef;
    border-radius: 12px;
    padding: 15px 20px 15px 50px;
    font-size: 16px;
    transition: all 0.3s ease;
    color: #495057;
}

    .form-control:focus {
        border-color: #007bff;
        box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
        background: white;
        transform: translateY(-2px);
    }

.input-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: #6c757d;
    font-size: 18px;
    transition: color 0.3s ease;
    z-index: 3;
}

.form-control:focus + .input-icon {
    color: #007bff;
}

.btn-login {
    background: linear-gradient(135deg, #007bff, #0056b3);
    border: none;
    border-radius: 12px;
    padding: 15px 40px;
    font-size: 16px;
    font-weight: 600;
    color: white;
    width: 100%;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

    .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 0.5s;
    }

    .btn-login:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 25px rgba(0, 123, 255, 0.4);
    }

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

.forgot-password {
    color: #6c757d;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
    display: inline-block;
    margin-top: 15px;
}

    .forgot-password:hover {
        color: #007bff;
        text-decoration: none;
    }

.loading-spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid #ffffff;
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 10px;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.error-message {
    background: linear-gradient(135deg, #dc3545, #c82333);
    color: white;
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 20px;
    border: none;
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-5px);
    }

    75% {
        transform: translateX(5px);
    }
}