.optimizer-container {
    max-width: 600px;
    margin: 20px auto;
    padding: 30px;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.05);
    font-family: 'Segoe UI', sans-serif;
    border-bottom: 5px solid #1dbf73;
}

.tool-header h2 { color: #1dbf73; margin-bottom: 5px; }
.tool-header p { color: #62646a; font-size: 14px; margin-bottom: 25px; }

.input-section label { display: block; margin-bottom: 8px; font-weight: 600; color: #404145; }

.input-section input, .input-section select {
    width: 100%; padding: 12px; margin-bottom: 20px;
    border: 1px solid #ddd; border-radius: 8px; outline: none;
}

#optimize-btn {
    width: 100%; padding: 15px; background: #1dbf73;
    color: white; border: none; border-radius: 8px;
    font-weight: bold; cursor: pointer; font-size: 16px;
}

.result-area { margin-top: 30px; border-top: 2px dashed #eee; padding-top: 20px; }

.title-card {
    background: #f8f9fa; padding: 15px; margin-bottom: 12px;
    border-radius: 8px; border-left: 4px solid #1dbf73;
    display: flex; justify-content: space-between; align-items: center;
}

.copy-mini-btn {
    background: #eee; border: none; padding: 5px 10px;
    border-radius: 4px; cursor: pointer; font-size: 12px;
}

.seo-tip { font-size: 13px; color: #74767e; background: #fffde7; padding: 10px; border-radius: 6px; }

.loader { text-align: center; color: #1dbf73; font-weight: bold; margin-top: 15px; }