body {
    margin: 0;
    font-family: Inter,system-ui,Arial;
    background: #f5f7fb;
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    padding: 20px;
    box-sizing: border-box;
}

.login-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    width: 380px;
    max-width: 100%;
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
    text-align: center;
}

.logo {
    width: 184px;
    margin-bottom: -25px;
}

h1 {
    margin: 10px 0;
}

.subtitle {
    color: #6b7280;
    font-size: 15px;
    margin-bottom: 28px;
}

.input-group {
    text-align: left;
    margin-bottom: 18px;
}

label {
    font-size: 15px;
    color: #111;
    font-weight: 600;
}

input {
    width: 100%;
    padding: 12px 14px;
    margin-top: 6px;
    border: 1px solid #dcdfe6;
    border-radius: 8px;
    font-size: 15px;
    box-sizing: border-box;
}

    input:focus {
        outline: none;
        border-color: #4f46e5;
    }

.login-btn {
    width: 100%;
    padding: 13px;
    background: #4f46e5;
    border: none;
    color: white;
    font-size: 16px;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 10px;
    font-weight: 600;
}

    .login-btn:hover {
        background: #4338ca;
    }

.help {
    margin-top: 15px;
    font-size: 13px;
    color: #777;
}

@media (max-width:480px) {

    .login-container {
        height: auto;
        padding: 30px 16px;
    }

    .login-card {
        padding: 26px;
        border-radius: 14px;
    }

    .logo {
        width: 60px;
    }

    h1 {
        font-size: 22px;
    }

    .subtitle {
        font-size: 14px;
        margin-bottom: 22px;
    }

    input {
        font-size: 14px;
        padding: 10px;
    }

    .login-btn {
        padding: 11px;
        font-size: 15px;
    }
}