@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

body {
    font-family: 'Roboto', sans-serif;
    background-color: #121212;
    color: #e0e0e0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
}

.container {
    background-color: #1e1e1e;
    padding: 2rem 3rem;
    border-radius: 15px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.5);
    text-align: center;
    width: 100%;
    max-width: 600px;
    border: 1px solid #333;
}

h1 {
    color: #ffffff;
    margin-bottom: 0.5rem;
}

p {
    color: #b0b0b0;
    margin-bottom: 1.5rem;
}

textarea {
    width: 100%;
    background-color: #252525;
    color: #e0e0e0;
    border: 1px solid #444;
    border-radius: 8px;
    padding: 12px;
    font-size: 1rem;
    box-sizing: border-box;
    resize: vertical;
    margin-bottom: 1.5rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

textarea:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: left;
}

.option {
    display: flex;
    flex-direction: column;
}

.option label {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: #c0c0c0;
}

.option input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: #444;
    border-radius: 5px;
    outline: none;
    transition: background 0.3s;
}

.option input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: #007bff;
    cursor: pointer;
    border-radius: 50%;
    border: 2px solid #1e1e1e;
}

.option input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: #007bff;
    cursor: pointer;
    border-radius: 50%;
     border: 2px solid #1e1e1e;
}

button {
    background: linear-gradient(45deg, #007bff, #0056b3);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: bold;
    transition: transform 0.2s, box-shadow 0.3s;
    width: 100%;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 123, 255, 0.2);
}

button:active {
    transform: translateY(0);
}

button:disabled {
    background: #555;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

#status {
    margin-top: 1rem;
    color: #a0a0a0;
    min-height: 20px;
}

.hidden {
    display: none;
}