* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #333;
    min-height: 100vh;
}

.container {
    width: 500px;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

h1 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #667eea;
    text-align: center;
}

h3 {
    font-size: 13px;
    margin-top: 12px;
    margin-bottom: 8px;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.controls {
    display: flex;
    gap: 8px;
    margin-bottom: 15px;
}

.btn {
    flex: 1;
    padding: 10px 14px;
    border: none;
    border-radius: 5px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: #5568d3;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.4);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-success {
    background: #48bb78;
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: #38a169;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(72, 187, 120, 0.4);
}

.btn-success:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-small {
    padding: 6px 10px;
    font-size: 11px;
    background: #e2e8f0;
    color: #333;
    margin-top: 8px;
}

.btn-small:hover {
    background: #cbd5e0;
}

.settings {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: #f7fafc;
    border-radius: 5px;
    margin-bottom: 15px;
    font-size: 12px;
}

.settings label {
    font-weight: 600;
    color: #4a5568;
}

.settings input {
    width: 50px;
    padding: 5px 8px;
    border: 1px solid #cbd5e0;
    border-radius: 3px;
    font-size: 12px;
}

.progress-section {
    background: #f7fafc;
    padding: 12px;
    border-radius: 5px;
    margin-bottom: 12px;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 13px;
    border-bottom: 1px solid #e2e8f0;
}

.stat-row:last-child {
    border-bottom: none;
}

.stat-row .label {
    color: #718096;
    font-weight: 500;
}

.stat-row .value {
    color: #667eea;
    font-weight: 700;
    font-size: 14px;
}

.progress-bar-container {
    width: 100%;
    height: 6px;
    background: #e2e8f0;
    border-radius: 3px;
    margin-bottom: 15px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    width: 0%;
    transition: width 0.3s ease;
}

.log-section {
    margin-bottom: 12px;
}

.log-box {
    background: #1a202c;
    color: #68d391;
    padding: 10px;
    border-radius: 5px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 11px;
    height: 150px;
    overflow-y: auto;
    line-height: 1.4;
    border: 1px solid #2d3748;
}

.log-entry {
    margin: 2px 0;
    word-break: break-word;
}

.log-entry.info {
    color: #68d391;
}

.log-entry.success {
    color: #81e6d9;
}

.log-entry.error {
    color: #fc8181;
}

.log-entry.warning {
    color: #fbd38d;
}

.status {
    padding: 10px;
    border-radius: 5px;
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    min-height: 20px;
}

.status.idle {
    background: #e6ffed;
    color: #22543d;
}

.status.working {
    background: #fef3c7;
    color: #78350f;
}

.status.success {
    background: #d1fae5;
    color: #065f46;
}

.status.error {
    background: #fee2e2;
    color: #7f1d1d;
}

/* Scrollbar styling */
.log-box::-webkit-scrollbar {
    width: 6px;
}

.log-box::-webkit-scrollbar-track {
    background: #2d3748;
}

.log-box::-webkit-scrollbar-thumb {
    background: #4a5568;
    border-radius: 3px;
}

.log-box::-webkit-scrollbar-thumb:hover {
    background: #718096;
}