body, html {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: radial-gradient(circle at 50% 30%, #3a3456 0%, #1a1a2e 100%);
    min-height: 100vh;
}
.login-bg {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-container {
    background: rgba(60, 50, 100, 0.7);
    border-radius: 32px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    padding: 40px 32px 32px 32px;
    width: 100%;
    max-width: 350px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.login-avatar {
    width: 90px;
    height: 90px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-avatar img {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    opacity: 0.7;
}
.input-group {
    width: 100%;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    background: rgba(255,255,255,0.08);
    border-radius: 8px;
    padding: 0 12px;
}
.input-group .icon {
    color: #fff;
    font-size: 18px;
    margin-right: 8px;
}
.input-group input {
    border: none;
    outline: none;
    background: transparent;
    color: #fff;
    font-size: 16px;
    padding: 12px 0;
    width: 100%;
}
.options {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    font-size: 14px;
    color: #fff;
}
.options .forgot {
    color: #bdbdfc;
    text-decoration: none;
    font-size: 13px;
}
.login-btn {
    width: 100%;
    padding: 12px 0;
    background: linear-gradient(90deg, #6a5af9 0%, #8d4de8 100%);
    border: none;
    border-radius: 8px;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 10px;
    transition: background 0.2s;
}
.login-btn:hover {
    background: linear-gradient(90deg, #8d4de8 0%, #6a5af9 100%);
}
.login-error {
    color: #ffbaba;
    font-size: 14px;
    margin-top: 6px;
    min-height: 18px;
    text-align: center;
}
@media (max-width: 500px) {
    .login-container {
        padding: 24px 8px 16px 8px;
        max-width: 98vw;
    }
    .login-avatar {
        width: 70px;
        height: 70px;
    }
    .login-avatar img {
        width: 50px;
        height: 50px;
    }
}