:root{--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Pretendard", "Roboto", "Noto Sans KR", sans-serif;--color-bg: #ffffff;--color-bg-sidebar: #f7f6f4;--color-border: #e6e4e0;--color-text: #1f1f1f;--color-text-muted: #6b6b6b;--color-accent: #2563eb;--color-accent-bg: #eef2ff;--color-danger: #dc2626;--color-danger-bg: #fef2f2;--color-warn-bg: #fff7ed;--color-success-bg: #ecfdf5;--radius: 6px;--sidebar-width: 280px}*{box-sizing:border-box}body{margin:0;font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--color-text);background:var(--color-bg)}button{font-family:inherit}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.app-shell{display:flex;height:100vh;overflow:hidden}.sidebar{width:var(--sidebar-width);flex-shrink:0;background:var(--color-bg-sidebar);border-right:1px solid var(--color-border);display:flex;flex-direction:column;overflow-y:auto;transition:transform .2s ease}.sidebar__team{padding:16px 14px 8px;font-weight:600;font-size:14px}.sidebar__search{margin:0 14px 8px;padding:6px 10px;border:1px solid var(--color-border);border-radius:var(--radius);font-size:13px;background:#fff}.sidebar__section-label{padding:12px 14px 4px;font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-muted)}.sidebar__new-page,.sidebar__link{display:flex;align-items:center;gap:8px;padding:6px 14px;font-size:13px;color:var(--color-text);cursor:pointer;border:none;background:none;width:100%;text-align:left;border-radius:var(--radius)}.sidebar__new-page:hover,.sidebar__link:hover,.page-tree__row:hover{background:#0000000d}.page-tree{padding:0 6px 12px;flex:1}.page-tree__row{display:flex;align-items:center;gap:4px;padding:4px 8px;border-radius:var(--radius);cursor:pointer;font-size:13px}.page-tree__row--active{background:var(--color-accent-bg);color:var(--color-accent)}.page-tree__toggle{width:16px;height:16px;border:none;background:none;cursor:pointer;color:var(--color-text-muted);flex-shrink:0}.page-tree__title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.page-tree__status-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}.main{flex:1;overflow-y:auto;position:relative;display:flex;flex-direction:column}.topbar{display:none;align-items:center;gap:8px;padding:8px 12px;border-bottom:1px solid var(--color-border)}.page-view{max-width:820px;width:100%;margin:0 auto;padding:48px 64px 120px}.page-view__title{width:100%;border:none;outline:none;font-size:32px;font-weight:700;margin-bottom:12px}.page-view__properties{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;font-size:13px}.property-chip{display:flex;align-items:center;gap:6px;padding:4px 10px;border:1px solid var(--color-border);border-radius:999px;background:#fff}.save-status{font-size:12px;color:var(--color-text-muted);margin-bottom:16px}.save-status--error{color:var(--color-danger)}.editor{min-height:200px}.block-row{display:flex;align-items:flex-start;gap:6px;margin-bottom:4px;position:relative}.block-row__handle{opacity:0;font-size:12px;color:var(--color-text-muted);padding-top:6px;cursor:grab;-webkit-user-select:none;user-select:none}.block-row:hover .block-row__handle{opacity:1}.block-input{flex:1;border:none;outline:none;resize:none;font-size:15px;line-height:1.6;font-family:inherit;padding:4px 2px;background:transparent;overflow:hidden}.block-input--h1{font-size:28px;font-weight:700}.block-input--h2{font-size:22px;font-weight:700}.block-input--h3{font-size:18px;font-weight:700}.block-toolbar{display:flex;flex-wrap:wrap;gap:6px;margin:20px 0;padding-top:16px;border-top:1px solid var(--color-border)}.block-toolbar button{border:1px solid var(--color-border);background:#fff;border-radius:var(--radius);padding:4px 10px;font-size:12px;cursor:pointer}.block-toolbar button:hover{background:var(--color-accent-bg)}.divider{border:none;border-top:1px solid var(--color-border);margin:16px 0}.section{margin-top:36px;border-top:1px solid var(--color-border);padding-top:20px}.section__title{font-size:13px;font-weight:600;margin-bottom:12px;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.03em}.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}.file-card{border:1px solid var(--color-border);border-radius:var(--radius);padding:10px;background:#fff;font-size:12px;display:flex;flex-direction:column;gap:6px}.file-card__thumb{width:100%;height:100px;object-fit:cover;border-radius:4px;background:#f2f2f2;cursor:pointer}.file-card__icon{width:100%;height:100px;display:flex;align-items:center;justify-content:center;font-size:28px;background:#f2f2f2;border-radius:4px;cursor:pointer}.file-card__name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-card__meta{color:var(--color-text-muted);font-size:11px}.file-card__actions{display:flex;gap:6px;margin-top:2px}.file-card__actions button,.file-card__actions a{flex:1;text-align:center;border:1px solid var(--color-border);border-radius:4px;background:#fff;padding:4px 6px;font-size:11px;cursor:pointer;color:inherit;text-decoration:none}.file-card__actions button:hover,.file-card__actions a:hover{background:var(--color-accent-bg)}.file-card--pending{opacity:.6}.file-card--failed{border-color:var(--color-danger);background:var(--color-danger-bg)}.upload-progress{height:4px;background:var(--color-border);border-radius:2px;overflow:hidden}.upload-progress__bar{height:100%;background:var(--color-accent);transition:width .15s ease}.drop-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#2563eb1f;border:3px dashed var(--color-accent);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:600;color:var(--color-accent);z-index:1000;pointer-events:none}.comment{display:flex;flex-direction:column;gap:2px;padding:10px 0;border-bottom:1px solid var(--color-border);font-size:13px}.comment__meta{font-size:11px;color:var(--color-text-muted)}.comment-input{width:100%;border:1px solid var(--color-border);border-radius:var(--radius);padding:8px 10px;font-family:inherit;font-size:13px;resize:vertical;min-height:60px}.history-row{display:flex;gap:8px;font-size:12px;padding:6px 0;border-bottom:1px solid var(--color-border);color:var(--color-text-muted)}.status-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;cursor:pointer;border:none}.status-badge--in_progress{background:#e0f2fe;color:#075985}.status-badge--handoff_pending{background:var(--color-warn-bg);color:#9a3412}.status-badge--done{background:var(--color-success-bg);color:#065f46}.status-badge--on_hold{background:#f3f4f6;color:#4b5563}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1100;padding:24px}.modal{background:#fff;border-radius:10px;max-width:90vw;max-height:90vh;width:900px;display:flex;flex-direction:column;overflow:hidden}.modal__header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--color-border)}.modal__body{flex:1;overflow:auto;padding:16px;display:flex;flex-direction:column;align-items:center}.demo-badge{display:inline-block;background:#fde68a;color:#78350f;font-size:11px;padding:2px 8px;border-radius:4px;margin-left:8px;font-weight:700}.login-screen{height:100vh;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:16px}.login-screen button{padding:10px 20px;border-radius:var(--radius);border:1px solid var(--color-border);background:#fff;cursor:pointer;font-size:14px}.sidebar-toggle{display:none;border:none;background:none;font-size:20px;cursor:pointer}@media (max-width: 860px){.sidebar{position:fixed;z-index:900;height:100vh;transform:translate(-100%)}.sidebar--open{transform:translate(0)}.topbar{display:flex}.sidebar-toggle{display:block}.page-view{padding:24px 20px 100px}}