:root {
    --wa-bg: #111b21;
    --wa-header: #202c33;
    --wa-green: #00a884;
    --wa-text: #e9edef;
    --wa-input-bg: #2a3942;
    --wa-secondary: #8696a0;
}

body.wa-dark {
    background-color: var(--wa-bg);
    color: var(--wa-text);
    font-family: 'Roboto', sans-serif;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden; /* Mencegah scroll luar */
}

.auth-container {
    width: 90%;
    max-width: 400px;
    text-align: center;
}

.auth-header h2 {
    color: var(--wa-green);
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.auth-header p {
    font-size: 0.9rem;
    color: var(--wa-secondary);
    margin-bottom: 30px;
}

.input-group {
    background: var(--wa-input-bg);
    border-radius: 8px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    padding: 10px 15px;
}

.input-group input {
    background: transparent;
    border: none;
    color: white;
    width: 100%;
    outline: none;
    font-size: 1rem;
}

.country-code {
    color: var(--wa-secondary);
    margin-right: 10px;
    border-right: 1px solid #3b4a54;
    padding-right: 10px;
}

.btn-lanjut {
    background: var(--wa-green);
    color: #111b21;
    border: none;
    padding: 12px 30px;
    border-radius: 20px;
    font-weight: bold;
    margin-top: 30px;
    cursor: pointer;
}