:root{--bg: #f4f5f7;--card: #ffffff;--text: #1f2933;--muted: #6b7280;--orange: #f58220;--red: #e30613;--green: #00a651;--border: #e5e7eb;--sidebar: #1f2937;--sidebar-text: #f3f4f6}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.layout{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{background:var(--sidebar);color:var(--sidebar-text);padding:20px 14px}.sidebar h1{font-size:18px;margin:0 0 20px;color:var(--orange)}.sidebar nav{display:flex;flex-direction:column;gap:6px}.sidebar a,.sidebar button.linkish{padding:10px 12px;border-radius:8px;border:0;background:transparent;color:inherit;text-align:left;cursor:pointer}.sidebar a.active,.sidebar a:hover,.sidebar button.linkish:hover{background:#ffffff14}.content{padding:24px}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;margin-bottom:16px}.row{display:flex;gap:12px;flex-wrap:wrap;align-items:end}.grid-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}.stat{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px}.stat strong{display:block;font-size:28px;margin-top:6px}label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted);min-width:140px;flex:1}input,select,textarea{border:1px solid var(--border);border-radius:8px;padding:8px 10px;background:#fff;color:var(--text)}button,.btn{border:0;border-radius:8px;padding:9px 14px;background:var(--orange);color:#fff;cursor:pointer;font-weight:600}button.secondary{background:#374151}button.danger{background:var(--red)}button.ghost{background:transparent;color:var(--text);border:1px solid var(--border)}table{width:100%;border-collapse:collapse;font-size:14px}th,td{border-bottom:1px solid var(--border);padding:8px;text-align:left;vertical-align:top}.login-wrap{min-height:100vh;display:grid;place-items:center}.login-card{width:min(400px,92vw);background:#fff;border-radius:12px;padding:28px;border:1px solid var(--border)}.error{color:var(--red);font-size:13px;margin-top:8px}.success{color:var(--green);font-size:13px}.muted{color:var(--muted);font-size:13px}.preview-pane{position:sticky;top:16px;background:#fff;border:1px solid var(--border);border-radius:12px;padding:12px}.preview-pane img{width:100%;height:auto;display:block;background:#eee}.split{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}@media(max-width:980px){.layout{grid-template-columns:1fr}.sidebar{display:flex;gap:8px;overflow-x:auto}.sidebar nav{flex-direction:row}.split{grid-template-columns:1fr}.preview-pane{position:static}}.badge{display:inline-block;padding:2px 8px;border-radius:999px;background:#e5e7eb;font-size:12px}.badge.warn{background:#fef3c7;color:#92400e}.badge.ok{background:#d1fae5;color:#065f46}.badge.err{background:#fee2e2;color:#991b1b}.drag-handle{cursor:grab;color:var(--muted);-webkit-user-select:none;user-select:none}.warnings{max-height:160px;overflow:auto;font-size:12px;background:#fff7ed;border:1px solid #fed7aa;border-radius:8px;padding:8px;margin-top:8px}