frontend/src/styles/common.css

.page-header {
    margin-bottom: 24px;
}

.page-header h2 {
    font-size: 24px;
    color: var(--text-color);
    margin: 0;
    transition: color 0.3s;
}

.card {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: background-color 0.3s;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.card-header h3 {
    font-size: 16px;
    color: var(--text-color);
    margin: 0;
    transition: color 0.3s;
}

.card-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.card-footer {
    display: flex;
    gap: 8px;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #999;
    font-size: 16px;
}

.action-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.delete-btn {
    background: #ff4d4f;
    color: white;
}

.delete-btn:hover {
    background: #f04142;
}

.edit-btn {
    background: #f0f0f0;
    color: var(--text-color);
}

.edit-btn:hover {
    background: #e0e0e0;
}

.start-btn {
    background: #52c41a;
    color: white;
}

.start-btn:hover {
    background: #45a049;
}

.stop-btn {
    background: #ff4d4f;
    color: white;
}

.stop-btn:hover {
    background: #f04142;
}

.add-btn {
    padding: 10px 20px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.add-btn:hover {
    background: #5568d3;
}

.form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    color: #666;
    font-weight: 500;
}

.form-group input,
.form-group select {
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    background: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group input:disabled {
    background: #f5f5f5;
    cursor: not-allowed;
}

.dark .form-group label {
    color: #b0b0b0;
}

.dark .form-group input,
.dark .form-group select {
    background: #3d3d3d;
    color: var(--text-color);
    border-color: var(--border-color);
}

.dark .form-group input:disabled {
    background: #2a2a2a;
    color: #666;
}

.dark .cancel-btn {
    background: #3d3d3d;
    color: var(--text-color);
}

.dark .cancel-btn:hover {
    background: #4d4d4d;
}

.dark .info-row .label,
.dark .info-label,
.dark .detail-key,
.dark .config-key {
    color: #b0b0b0;
}

.dark .log-item {
    background: #2a2a2a;
}

.dark .proxy-item,
.dark .config-item {
    background: #2a2a2a;
}

.dark .back-btn {
    background: #3d3d3d;
    color: var(--text-color);
}

.dark .back-btn:hover {
    background: #4d4d4d;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.cancel-btn,
.submit-btn {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.cancel-btn {
    background: #f0f0f0;
    color: var(--text-color);
}

.cancel-btn:hover {
    background: #e0e0e0;
}

.submit-btn {
    background: var(--primary-color);
    color: white;
}

.submit-btn:hover:not(:disabled) {
    background: #5568d3;
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.info-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

.info-row .label {
    color: #666;
}

.info-row .value {
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

.info-item {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

.info-label {
    color: #666;
    font-weight: 500;
}

.info-value {
    color: var(--text-color);
    font-weight: 500;
    text-align: right;
    word-break: break-all;
    transition: color 0.3s;
}

.status-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.status-badge.running {
    background: #f6ffed;
    color: #52c41a;
}

.status-badge.stopped {
    background: #fff1f0;
    color: #ff4d4f;
}

.status-badge.active {
    background: #f6ffed;
    color: #52c41a;
}

.status-badge.inactive {
    background: #fff1f0;
    color: #ff4d4f;
}

.type-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    transition: background-color 0.3s, color 0.3s;
}

.type-badge.superuser {
    background: #fff7e6;
    color: #fa8c16;
}

.type-badge.admin {
    background: #e6f7ff;
    color: #1890ff;
}

.type-badge.visitor {
    background: #f9f9f9;
    color: #666;
}

.dark .type-badge.superuser {
    background: #3a2510;
    color: #ffb74d;
}

.dark .type-badge.admin {
    background: #0d2633;
    color: #40a9ff;
}

.dark .type-badge.visitor {
    background: #2a2a2a;
    color: #b0b0b0;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    width: 400px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s;
}

.modal h3 {
    font-size: 20px;
    color: var(--text-color);
    margin: 0 0 20px 0;
    transition: color 0.3s;
}

.log-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.log-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    background: #f9f9f9;
    border-radius: 6px;
    font-size: 14px;
    font-family: 'Consolas', 'Monaco', monospace;
}

.log-time {
    color: #999;
    min-width: 160px;
}

.log-level {
    min-width: 70px;
    font-weight: 600;
    text-align: center;
    padding: 2px 8px;
    border-radius: 4px;
}

.log-level.DEBUG {
    color: #52c41a;
    background: #f6ffed;
}

.log-level.INFO {
    color: #1890ff;
    background: #e6f7ff;
}

.log-level.WARN {
    color: #faad14;
    background: #fffbe6;
}

.log-level.ERROR {
    color: #ff4d4f;
    background: #fff1f0;
}

.log-level.FATAL {
    color: #cf1322;
    background: #fff1f0;
}

.log-message {
    color: var(--text-color);
    flex: 1;
    word-break: break-all;
    transition: color 0.3s;
}

.avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 18px;
}

.back-btn {
    padding: 8px 16px;
    background: #f0f0f0;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}

.back-btn:hover {
    background: #e0e0e0;
}

.config-item {
    display: flex;
    justify-content: space-between;
    padding: 12px;
    background: #f9f9f9;
    border-radius: 6px;
}

.config-key {
    color: #666;
    font-weight: 500;
}

.config-value {
    color: var(--text-color);
    transition: color 0.3s;
}

.proxy-item {
    padding: 16px;
    background: #f9f9f9;
    border-radius: 6px;
}

.proxy-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.proxy-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    transition: color 0.3s;
}

.proxy-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.proxy-detail {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

.detail-key {
    color: #666;
}

.detail-value {
    color: var(--text-color);
    transition: color 0.3s;
}

.section {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: background-color 0.3s;
}

.section h3 {
    font-size: 18px;
    color: var(--text-color);
    margin: 0 0 16px 0;
    transition: color 0.3s;
}

.logs-container {
    max-height: 400px;
    overflow-y: auto;
}

.filter-controls select {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    background: var(--card-bg);
    color: var(--text-color);
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

.filter-controls select:focus {
    outline: none;
    border-color: var(--primary-color);
}