:root {
    --bg: #0f1117;
    --card: #161b22;
    --accent: #58a6ff;
    --success: #238636;
    --text: #c9d1d9;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    display: flex;
    justify-content: center;
    padding: 20px;
    line-height: 1.6;
}

.container {
    background: var(--card);
    padding: 2rem;
    border-radius: 12px;
    width: 100%;
    max-width: 600px;
    border: 1px solid #30363d;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

h2 {
    text-align: center;
    color: var(--accent);
    margin-top: 0;
}

.upload-section {
    border: 2px dashed #30363d;
    padding: 30px;
    text-align: center;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.3s;
    margin-bottom: 20px;
}

.upload-section:hover {
    border-color: var(--accent);
    background: #1c2128;
}

#preview {
    max-width: 100%;
    border-radius: 8px;
    margin: 15px 0;
    display: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

button {
    background: var(--accent);
    color: white;
    border: none;
    padding: 12px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    width: 100%;
    font-size: 1rem;
    transition: 0.2s;
}

button:disabled {
    background: #21262d;
    color: #8b949e;
    cursor: not-allowed;
}

#translateBtn {
    background: var(--success);
    margin-top: 15px;
    display: none;
}

.result-box {
    margin-top: 25px;
    background: #0d1117;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--accent);
}

.label {
    font-size: 0.75rem;
    color: #8b949e;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
    display: block;
}

#translationResult {
    margin-top: 20px;
    color: #acb6c2;
    border-left: 4px solid var(--success);
}

.loader {
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid #fff;
    border-bottom-color: transparent;
    border-radius: 50%;
    animation: rotation 1s linear infinite;
    margin-right: 8px;
}

@keyframes rotation {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}