body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: #f4f7f6;
    color: #333;
    margin: 0;
    padding: 0;
}

/* GÜNCELLENDİ: Üst Bar Stilleri */
.tdm-top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #cc0000;
    padding: 8px 24px;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.tdm-top-bar-button {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    white-space: nowrap;
    transition: background-color 0.2s;
}

.tdm-top-bar-button:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.container {
    max-width: 900px;
    margin: 30px auto;
    background-color: #fff;
    padding: 30px 40px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

h1 {
    color: #111;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
    margin-top: 0;
    font-size: 28px;
}

p {
    line-height: 1.6;
    color: #555;
    font-size: 16px;
}

.generator-wrapper {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
    margin-top: 30px;
}

.settings-panel h2 {
    margin-top: 0;
    font-size: 20px;
    border-bottom: none;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 10px;
}

.color-inputs {
    display: flex;
    gap: 15px;
    align-items: center;
}

input[type="color"] {
    width: 60px;
    height: 60px;
    border: 1px solid #ddd;
    padding: 0;
    cursor: pointer;
    border-radius: 8px;
}

input[type="range"] {
    width: 100%;
}

#angle-value {
    display: block;
    text-align: center;
    font-weight: 500;
    margin-top: 5px;
    background-color: #f0f0f0;
    padding: 5px;
    border-radius: 5px;
}

#css-output {
    width: 100%;
    min-height: 80px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-family: monospace;
    font-size: 14px;
    resize: none;
    box-sizing: border-box;
}

.copy-btn {
    display: block;
    width: 100%;
    background-color: #0073aa;
    color: #fff;
    border: none;
    padding: 10px;
    margin-top: 10px;
    border-radius: 5px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.copy-btn:hover {
    background-color: #005a87;
}

.preview-panel {
    border-radius: 10px;
    overflow: hidden;
    height: 400px;
}

.preview-box {
    width: 100%;
    height: 100%;
}

@media (max-width: 768px) {
    .generator-wrapper {
        grid-template-columns: 1fr;
    }

    .preview-panel {
        height: 250px;
    }
}