/* Menambahkan aturan global pada elemen html dan body */
html, body {
    /* 1. Nonaktifkan Fitur Scroll (Gulir Halaman) */
    overflow: hidden;
    height: 100%;
    width: 100%;
    position: fixed;

    /* 2. Nonaktifkan Fitur Drag to Refresh (Tarik ke bawah untuk muat ulang di mobile) */
    overscroll-behavior-y: contain;

    /* 3. Nonaktifkan Fitur Pemilihan Teks / Tahan Lama Teks (Mencegah Copy-Paste & Pop-up) */
    -webkit-user-select: none; /* Safari */
    -ms-user-select: none;     /* IE 10 dan versi lama */
    user-select: none;         /* Standar modern (Chrome, Firefox, Opera) */
    
    /* Tambahan pencegahan pemicu menu klik kanan/tahan lama di perangkat iOS */
    -webkit-touch-callout: none; 
}

/* Mengizinkan input teks, angka, dan textarea tetap bisa diketik & dipilih kursornya */
input[type="text"],
input[type="number"],
textarea {
    -webkit-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

/* Sisa kode CSS Anda yang lain (seperti :root, .container, dsb) tetap ditaruh di bawah ini... */

/* Variabel Warna untuk Fitur Tema (Default Dark) */
:root {
    --bg-body: #0f172a;
    --bg-container: #1e293b;
    --bg-input: #0f172a;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --accent-color: #38bdf8;
    --btn-bg: #0284c7;
    --btn-hover: #0369a1;
    --log-bg: #0f172a;
}

/* Variabel Warna untuk Tema Terang (Light Mode) */
[data-theme="light"] {
    --bg-body: #f1f5f9;
    --bg-container: #ffffff;
    --bg-input: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border-color: #cbd5e1;
    --accent-color: #0284c7;
    --btn-bg: #0ea5e9;
    --btn-hover: #0284c7;
    --log-bg: #f8fafc;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    transition: background-color 0.3s, border-color 0.3s, color 0.3s;
}

body {
    background-color: var(--bg-body);
    color: var(--text-main);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.container {
    background-color: var(--bg-container);
    padding: 30px;
    border-radius: 12px;
    width: 100%;
    max-width: 650px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    position: relative;
}

/* Tombol Pengubah Tema */
.theme-toggle-btn {
    position: absolute;
    top: 25px;
    right: 30px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 6px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
}

.theme-toggle-btn:hover {
    border-color: var(--accent-color);
}

h2 {
    margin-bottom: 5px;
    text-align: center;
    color: var(--accent-color);
    font-size: 22px;
    padding-right: 80px;
}

.credit {
    text-align: center;
    font-size: 12px;
    color: #64748b;
    margin-bottom: 20px;
    font-style: italic;
    padding-right: 80px;
}

.form-group {
    margin-bottom: 15px;
}

.form-row {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.form-col {
    flex: 1;
}

label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    color: var(--text-muted);
}

input[type="text"],
input[type="number"],
textarea {
    width: 100%;
    padding: 10px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-main);
    font-size: 14px;
    outline: none;
}

input:focus, textarea:focus {
    border-color: var(--accent-color);
}

input[type="file"] {
    display: block;
    margin-top: 5px;
    color: var(--text-muted);
    font-size: 13px;
}

.color-picker-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}

input[type="color"] {
    -webkit-appearance: none;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 6px;
    cursor: pointer;
    background: none;
}

input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

input[type="color"]::-webkit-color-swatch {
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.btn-submit {
    width: 100%;
    padding: 12px;
    background-color: var(--btn-bg);
    border: none;
    border-radius: 6px;
    color: white;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 10px;
}

.btn-submit:hover {
    background-color: var(--btn-hover);
}

.btn-submit:disabled {
    background-color: #475569;
    cursor: not-allowed;
}

#log-container {
    margin-top: 20px;
    background-color: var(--log-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 15px;
    max-height: 180px;
    overflow-y: auto;
    font-family: 'Courier New', Courier, monospace;
    font-size: 12px;
}

.log-entry {
    margin-bottom: 5px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 3px;
}

.log-success { color: #4ade80; }
.log-error { color: #f87171; }
.log-info { color: #60a5fa; }
.log-warn { color: #fbbf24; }