.login-container {
    width: 100%;
    max-width: 400px;
    background: rgba(20, 20, 20, 0.6);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease-out;
}

.login-container h2 {
    margin-top: 0;
    margin-bottom: 30px;
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-align: center;
    color: var(--primary-color);
}

.input-group {
    margin-bottom: 25px;
    text-align: left;
}

.input-group label {
    display: block;
    margin-bottom: 10px;
    font-size: 0.8rem;
    color: #aaa;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.input-group input {
    width: 100%;
    padding: 12px 15px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    color: #fff;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.login-btn-wrapper {
    margin-top: 40px;
    text-align: center;
}

.error-message {
    color: #ff4444;
    font-size: 0.85rem;
    margin-bottom: 20px;
    text-align: center;
    background: rgba(255, 68, 68, 0.1);
    padding: 10px;
    border-radius: 6px;
    border: 1px solid rgba(255, 68, 68, 0.3);
}