.auth-container {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
    overflow-y: auto;
}
.auth-form {
    background: rgba(15, 26, 61, 0.95);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    padding: 30px;
    position: relative;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: rgba(255,255,255,0.8);
}
.form-group input, .form-group select {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    font-size: 16px;
    color: white;
    transition: all 0.3s ease;
}
.form-group input:focus, .form-group select:focus {
    border-color: #3fa9f5;
    outline: none;
    box-shadow: 0 0 0 2px rgba(63, 169, 245, 0.2);
}
.form-group select option {
    background: #0f1a3d;
    color: white;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.remember-me {
    display: flex;
    align-items: center;
    color: rgba(255,255,255,0.7);
}
.remember-me input {
    margin-right: 8px;
    width: auto;
}
.forgot-password {
    color: #3fa9f5;
    text-decoration: none;
    font-size: 14px;
}
.submit-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(90deg, #007aff, #0058f0);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}
.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 90, 255, 0.2);
}
.auth-divider {
    text-align: center;
    margin: 20px 0;
    position: relative;
    color: rgba(255,255,255,0.5);
}
.auth-divider::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background-color: rgba(255,255,255,0.1);
}
.auth-divider span {
    background-color: rgba(15, 26, 61, 0.95);
    padding: 0 10px;
}
.social-auth {
    display: flex;
    justify-content: center;
    gap: 15px;
}
.social-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.08);
    cursor: pointer;
    transition: all 0.3s ease;
    color: rgba(255,255,255,0.7);
}
.social-btn:hover {
    background-color: rgba(255,255,255,0.12);
    color: white;
}
.switch-form {
    text-align: center;
    margin-top: 20px;
    color: rgba(255,255,255,0.7);
}
.switch-form a {
    color: #3fa9f5;
    text-decoration: none;
    font-weight: 500;
}
@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    .auth-form {
        padding: 20px;
    }
}