.sms-login-container {
    max-width: 360px;
    margin: 80px auto;
    padding: 30px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(15px);
    box-shadow: 0 0 25px rgba(0,0,0,0.2);
    text-align: center;
}

.sms-login-container h2 {
    margin-bottom: 25px;
    font-size: 20px;
    color: #fdffce;
}

.sms-login-container input {
    width: 100%;
    padding: 12px;
    border-radius: 12px;
    border: none;
    outline: none;
    margin-bottom: 15px;
    font-size: 15px;
}

.sms-login-container button {
    width: 100%;
    padding: 12px;
    border-radius: 12px;
    border: none;
    background-color: #29986f;
    color: white;
    font-size: 15px;
    cursor: pointer;
    transition: 0.3s;
}

.sms-login-container button:hover {
    transform: scale(1.03);
    opacity: 0.9;
}

button.loading {
    pointer-events: none;
    opacity: 0.6;
}

#sendTimer {
    margin-top: 10px;
    font-size: 13px;
    color: #bbb;
}