/* Reset Asas & Fon */
body {
    font-family: 'Roboto', sans-serif;
    background-color: #f4f7f6;
    color: #333;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

/* Kontena Utama (Mesra Mobile) */
.container {
    width: 100%;
    max-width: 600px; /* Lebar maksimum untuk desktop, 100% untuk mobile */
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

header {
    background-color: #007bff;
    color: white;
    padding: 20px 25px;
}

header h1 {
    margin: 0;
    font-size: 2rem; /* Fon besar */
}

header p {
    margin: 0;
    font-size: 1.1rem;
    opacity: 0.9;
}

main {
    padding: 25px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.box {
    width: 100%;
}

.box label {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 8px;
    display: block;
    color: #555;
}

/* Textarea Besar */
textarea {
    width: 100%;
    padding: 15px;
    font-size: 1.2rem; /* Fon dalam textarea besar */
    border: 2px solid #ddd;
    border-radius: 8px;
    box-sizing: border-box; /* Elakkan overflow */
    resize: vertical; /* Benarkan ubah saiz menegak sahaja */
}

textarea:focus {
    border-color: #007bff;
    outline: none;
    box-shadow: 0 0 8px rgba(0,123,255,0.2);
}

textarea#output-cina {
    background-color: #f9f9f9;
    color: #1a1a1a;
    font-weight: 500;
}

/* Butang Terjemah Besar & Profesional */
#btn-terjemah {
    width: 100%;
    padding: 18px 20px;
    font-size: 1.3rem; /* Fon butang besar */
    font-weight: 500;
    color: #ffffff;
    background-color: #28a745; /* Warna hijau untuk 'aksi' */
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

#btn-terjemah:hover:not(:disabled) {
    background-color: #218838;
}

#btn-terjemah:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

footer {
    text-align: center;
    padding: 20px;
    font-size: 0.9rem;
    color: #888;
    background-color: #f4f7f6;
    border-top: 1px solid #eee;
}