* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    height: 100vh;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
    background-color: #ffffff;
}

/* Background dengan Gambar Rumus Kimia */
.bg-chemistry {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../image/bg-kimia.jpg'); /* Ganti dengan path gambar background kamu */
    background-size: cover;
    background-position: center;
    opacity: 0.3; /* Agar rumus kimianya terlihat transparan seperti di gambar */
    z-index: -1;
}

/* Header Logo di Pojok Kiri Atas */
.header-logo {
    position: absolute;
    top: 30px;
    left: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-logo img {
    height: 60px;
}

.logo-text {
    font-size: 14px;
    font-weight: 700;
    color: #4a7c59; /* Hijau Tua */
    line-height: 1.2;
}

.logo-text span {
    font-weight: 400;
}

/* Container Login */
.login-wrapper {
    width: 100%;
    max-width: 450px;
    text-align: center;
}

.input-group {
    margin-bottom: 25px;
}

/* Input Bulat Hijau Transparan */
input {
    width: 100%;
    padding: 18px 30px;
    border-radius: 50px; /* Bentuk Bulat Sempurna */
    border: none;
    background-color: #82c09a; /* Warna hijau sesuai gambar */
    color: white;
    font-size: 20px;
    outline: none;
}

input::placeholder {
    color: rgba(255, 255, 255, 0.8);
    font-style: italic;
}

/* Tombol Masuk Bulat */
.btn-masuk {
    background-color: #5c9e74;
    color: white;
    padding: 15px 60px;
    border: none;
    border-radius: 25px;
    font-size: 24px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: 0.3s;
}

.btn-masuk:hover {
    background-color: #4a805c;
    transform: scale(1.05);
}

/* Responsive untuk Tablet/HP */
@media (max-width: 768px) {
    .header-logo {
        top: 15px;
        left: 15px;
    }
    .header-logo img {
        height: 40px;
    }
    .logo-text {
        font-size: 10px;
    }
    .login-wrapper {
        padding: 0 20px;
    }
}