:root{--color-bg: #f5f6f8;--color-panel: #ffffff;--color-border: #dfe3e8;--color-text: #1f2933;--color-muted: #6b7280;--color-primary: #2f5fdb;--color-primary-dark: #1f45a8;--color-danger: #d64545;--sidebar-width: 220px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--color-bg);color:var(--color-text)}button{font-family:inherit;cursor:pointer}.btn-primary,.btn-secondary,.btn-danger{border-radius:6px;padding:8px 14px;font-size:14px;border:1px solid transparent}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark)}.btn-secondary{background:#fff;border-color:var(--color-border);color:var(--color-text)}.btn-secondary:hover{background:#f0f1f3}.btn-danger{background:var(--color-danger);color:#fff}input,select,textarea{font-family:inherit;font-size:14px;padding:6px 8px;border:1px solid var(--color-border);border-radius:4px;background:#fff;color:var(--color-text)}.app-shell{display:flex;min-height:100vh}.app-sidebar{width:var(--sidebar-width);background:#16233b;color:#cfd8ea;display:flex;flex-direction:column;flex-shrink:0}.app-brand{font-size:18px;font-weight:700;color:#fff;padding:20px 16px}.app-sidebar nav{display:flex;flex-direction:column;gap:2px;padding:0 8px}.nav-link{padding:10px 12px;border-radius:6px;color:#cfd8ea;text-decoration:none;font-size:14px}.nav-link:hover{background:#ffffff14}.nav-link.active{background:var(--color-primary);color:#fff}.app-sidebar-footer{margin-top:auto;padding:16px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-direction:column;gap:8px}.app-user{font-size:12px;color:#9fb0cc;word-break:break-all}.app-content{flex:1;padding:24px 32px;max-width:1200px}.page-panel{background:var(--color-panel);border:1px solid var(--color-border);border-radius:8px;padding:20px;margin-bottom:20px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--color-border);font-size:14px}.data-table th{color:var(--color-muted);font-weight:600;font-size:12px;text-transform:uppercase}.clickable-row{cursor:pointer}.clickable-row:hover{background:#f7f9fc}.empty-state{color:var(--color-muted);padding:24px;text-align:center;font-size:14px}.form-row{display:flex;flex-direction:column;gap:4px;margin-bottom:12px;max-width:480px}.form-row label{font-size:13px;font-weight:600;color:var(--color-muted)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;max-width:720px}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;display:flex;align-items:center;justify-content:center;z-index:50}.dialog{background:#fff;border-radius:8px;padding:20px;width:360px}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.json-editor-toolbar{display:flex;align-items:center;gap:12px;margin-bottom:6px}.json-editor-error{color:var(--color-danger);font-size:12px}.json-editor-textarea{width:100%;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.designer-layout{display:grid;grid-template-columns:200px 1fr 1fr;gap:12px;height:calc(100vh - 160px)}.designer-palette{background:var(--color-panel);border:1px solid var(--color-border);border-radius:8px;padding:12px;overflow-y:auto}.variable-chip{display:block;width:100%;text-align:left;background:#eef1f8;border:1px solid var(--color-border);border-radius:4px;padding:4px 8px;margin-bottom:6px;font-size:12px;font-family:ui-monospace,monospace}.variable-chip:hover{background:#dce3f5}.designer-editor,.designer-preview{border:1px solid var(--color-border);border-radius:8px;overflow:hidden;display:flex;flex-direction:column;background:var(--color-panel)}.designer-preview iframe{flex:1;border:none;background:#fff}.designer-toolbar{display:flex;gap:8px;padding:8px;border-bottom:1px solid var(--color-border);align-items:center}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--color-border);margin-bottom:16px}.tab-button{padding:8px 16px;background:none;border:none;border-bottom:2px solid transparent;font-size:14px;color:var(--color-muted)}.tab-button.active{color:var(--color-primary);border-bottom-color:var(--color-primary);font-weight:600}.code-block{background:#16233b;color:#e2e8f0;padding:14px;border-radius:6px;font-family:ui-monospace,monospace;font-size:12px;overflow-x:auto;white-space:pre}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600;text-transform:uppercase}.badge-draft{background:#fef3c7;color:#92400e}.badge-published{background:#d1fae5;color:#065f46}.badge-archived{background:#e5e7eb;color:#4b5563}.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--color-bg)}.login-card{background:#fff;padding:32px;border-radius:8px;border:1px solid var(--color-border);width:340px}.error-text{color:var(--color-danger);font-size:13px;margin-top:8px}.help-text{color:var(--color-muted);font-size:12px}