:root {
    --bg-color: #121212;
    --container-bg: #1e1e1e;
    --text-color: #e0e0e0;
    --accent-color: #bb86fc;
    --accent-hover: #a370db;
    --border-color: #333;
    --input-bg: #252525;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
}

.container {
    background-color: var(--container-bg);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 600px;
    text-align: center;
}

h1 {
    margin-bottom: 1.5rem;
    color: var(--accent-color);
    font-weight: 600;
}

.translator-box {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    text-align: left;
    gap: 0.5rem;
}

label {
    font-size: 0.9rem;
    color: #aaa;
    text-transform: uppercase;
    letter-spacing: 1px;
}

textarea {
    background-color: var(--input-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    font-size: 1.1rem;
    resize: vertical;
    min-height: 120px;
    font-family: inherit;
    transition: border-color 0.2s;
}

textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.controls {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

button {
    background-color: var(--accent-color);
    color: #000;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.2s, transform 0.1s;
}

button:hover {
    background-color: var(--accent-hover);
}

button:active {
    transform: scale(0.95);
}

.guide {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: #888;
}

.guide h3 {
    font-size: 1rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}