/* Pengaturan Umum */
body {
    font-family: ProximaNova, Arial, Tahoma, PingFangSC, sans-serif;
    background-color: #f8f8f8;
    color: #161823;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

/* Kontainer Utama */
.main-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 400px;
    padding: 20px;
    box-sizing: border-box;
}

/* Kartu Form */
.login-card {
    background: #ffffff;
    border: 1px solid #efefef;
    padding: 40px 30px;
    border-radius: 4px;
    width: 100%;
    box-sizing: border-box;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* Logo TikTok Style (Kombinasi warna khas / hitam tebal) */
.logo-container h2 {
    font-size: 32px;
    margin: 0 0 10px 0;
    font-weight: 800;
    letter-spacing: -1px;
}

.subtitle {
    font-size: 14px;
    color: #717171;
    line-height: 20px;
    margin-bottom: 25px;
}

/* Grup Input Form */
.form-group {
    margin-bottom: 12px;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    background: #f1f1f2;
    border: 1px solid rgba(22, 24, 35, 0.12);
    border-radius: 4px;
    font-size: 15px;
    box-sizing: border-box;
    outline: none;
    transition: background-color 0.2s;
}

.form-group input:focus {
    background: #ffffff;
    border-color: #161823;
}

/* Tombol Aksi Khas TikTok (Merah/Pink) */
.btn-submit {
    width: 100%;
    padding: 14px;
    background-color: #fe2c55;
    border: none;
    border-radius: 4px;
    color: white;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    margin-top: 15px;
    transition: opacity 0.2s ease;
}

.btn-submit:hover {
    opacity: 0.9;
}

/* Catatan Kaki */
.footer-note {
    margin-top: 25px;
    font-size: 12px;
    color: #8a8b91;
    text-align: center;
}