body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f7f6;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    color: #333;
}

.container {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    width: 90%;
    max-width: 500px;
    text-align: center;
}

h1 {
    color: #1a1a1a;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.card {
    background: #fafafa;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 1rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #555;
}

input[type="number"], select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 1rem;
    transition: border-color 0.3s;
}

input[type="number"]:focus, select:focus {
    outline: none;
    border-color: #007BFF;
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.2);
}

button {
    background-color: #007BFF;
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.2s;
    width: 100%;
}

button:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

.result-card {
    background-color: #e9f5ff;
    border: 1px solid #cce5ff;
    text-align: left;
}

.result-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid #e0e0e0;
}

.result-group:last-child {
    border-bottom: none;
}

.result-group p {
    margin: 0;
    font-weight: 600;
}

.result-group span {
    font-weight: bold;
    color: #0056b3;
}

/* Responsif untuk layar kecil */
@media (max-width: 600px) {
    .container {
        padding: 1rem;
    }
    h1 {
        font-size: 1.5rem;
    }
    .form-group label, .result-group p {
        font-size: 0.9rem;
    }
}

/* ... CSS yang sudah ada ... */

.result-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid #e0e0e0;
}

.result-group:last-child {
    border-bottom: none;
}

.result-group p {
    margin: 0;
    font-weight: 600;
}

.result-group span {
    font-weight: bold;
    color: #0056b3;
    /* Memberikan ruang agar tombol copy tidak terlalu menempel */
    margin-right: 10px;
}

.copy-btn {
    background-color: transparent;
    color: #007BFF;
    border: 1px solid #007BFF;
    border-radius: 4px;
    padding: 5px 10px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.3s, color 0.3s;
    /* Mengatur lebar tombol agar sama */
    width: auto;
}

.copy-btn:hover {
    background-color: #007BFF;
    color: white;
}

/* Responsif untuk layar kecil */
@media (max-width: 600px) {
    /* ... CSS responsif yang sudah ada ... */
    .result-group span {
        font-size: 0.9rem;
    }
    .copy-btn {
        padding: 4px 8px;
    }
}

/* ... CSS yang sudah ada ... */

.input-with-button {
    display: flex;
    align-items: center;
    gap: 8px; /* Jarak antara input dan tombol */
}

.input-with-button input {
    flex-grow: 1; /* Input akan mengambil sisa ruang yang tersedia */
}

.paste-btn {
    background-color: transparent;
    color: #007BFF;
    border: 1px solid #007BFF;
    border-radius: 6px;
    padding: 0.75rem 1rem;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s, color 0.3s;
    /* Mengatur lebar tombol agar sama */
    width: auto;
}

.paste-btn:hover {
    background-color: #007BFF;
    color: white;
}

/* Responsif untuk layar kecil */
@media (max-width: 600px) {
    /* ... CSS responsif yang sudah ada ... */
    .paste-btn {
        padding: 0.5rem 0.8rem;
    }
}