.module-back-btn{display:flex;align-items:center;gap:var(--spacing-xs);color:var(--color-text-secondary);text-decoration:none;font-size:var(--font-size-sm);transition:color var(--transition-fast);}.module-back-btn:hover{color:var(--color-text);}@keyframes spin{to{transform:rotate(360deg);}}.status-message{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);font-size:var(--font-size-sm);}.status-message.success{background-color:rgba(5,150,105,0.1);color:var(--color-success);}.status-message.error{background-color:rgba(239,68,68,0.1);color:var(--color-danger);}.status-message.warning{background-color:rgba(245,158,11,0.1);color:var(--color-warning);}.status-message.info{background-color:rgba(6,182,212,0.1);color:var(--color-info);}@media (max-width:768px){.module-header{flex-direction:column;gap:var(--spacing-sm);align-items:stretch;}}.module-layout{display:flex;flex-direction:column;min-height:100vh;}.module-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 18px;background:linear-gradient(180deg,var(--color-bg-secondary),var(--color-bg));border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:var(--z-sticky);}.module-header .header-left,.module-header .header-right{display:flex;align-items:center;gap:10px;}.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--color-text-secondary);text-decoration:none;font-size:13px;font-weight:500;transition:color 150ms ease;}.back-link:hover{color:#fff;}.module-title{display:flex;align-items:center;gap:var(--spacing-sm);font-size:17px;font-weight:600;margin:0;}.module-main{flex:1;display:flex;overflow:hidden;}.editor-panel,.preview-panel{display:flex;flex-direction:column;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;min-width:0;}.panel-header{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 14px;border-bottom:1px solid var(--color-border);}.panel-title{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:0.6px;color:var(--color-text-secondary);margin:0;}.panel-actions{display:flex;align-items:center;gap:4px;}.ai-layout{display:grid;grid-template-columns:minmax(360px,400px) minmax(0,1fr);gap:12px;padding:12px;overflow:auto;}@media (max-width:900px){.ai-layout{grid-template-columns:1fr;}}