:root{--bg: #ffffff;--fg: #1c1e21;--muted: #6b7280;--line: #e5e7eb;--accent: #2563eb;--accent-fg: #ffffff;--hover: #f3f4f6;--radius: 6px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,sans-serif;font-size:14px;color:var(--fg)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg)}.canvas{position:relative;height:100%}.canvas__frame{width:100%;height:100%;border:0;display:block}.canvas__configure-btn{position:absolute;top:8px;right:8px;z-index:2}.state{height:100%;min-height:160px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:24px;text-align:center}.state__title{font-size:15px;font-weight:600}.state__text{font-size:13px;color:var(--muted);max-width:360px}.state__spinner{width:18px;height:18px;border-radius:50%;border:2px solid var(--line);border-top-color:var(--accent);animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.configure{display:flex;flex-direction:column;height:100%;min-width:320px}.configure__head{padding:16px 20px;border-bottom:1px solid var(--line)}.configure__head h1{font-size:16px;margin:0 0 2px;letter-spacing:-.01em}.configure__head p{font-size:13px;color:var(--muted);margin:0}.configure__head .configure__limit{font-size:12px;margin-top:4px}.configure__body{flex:1;overflow:auto;padding:8px 12px}.configure__foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 20px;border-top:1px solid var(--line)}.configure__hint{font-size:12px;color:var(--muted)}.configure__actions{display:flex;gap:8px}.attach{display:flex;flex-direction:column;gap:10px;padding:8px}.attach__pick{align-self:flex-start}.attach__row{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius);background:#fafafa}.attach__name{font-weight:500;word-break:break-all}.attach__size{margin-left:auto;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.attach__actions{display:flex;gap:8px}.attach__warn{font-size:12.5px;color:#b54708;background:#fffaeb;border:1px solid #fedf89;border-radius:var(--radius);padding:8px 10px}.attach__error{font-size:12.5px;color:#b42318;padding:4px 8px}.list{list-style:none;margin:0;padding:0}.list__row{display:flex;align-items:center;gap:10px;padding:10px 8px;border-radius:var(--radius);cursor:pointer}.list__row:hover{background:var(--hover)}.list__name{font-weight:500}.list__file{margin-left:auto;font-size:12px;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10;display:flex;align-items:center;justify-content:center;background:#11182752;padding:16px}.modal__panel{width:660px;max-width:100%;height:520px;max-height:100%;background:var(--bg);border:1px solid var(--line);border-radius:8px;box-shadow:0 1px 3px #00000014;overflow:hidden}.btn{font:inherit;font-size:13px;font-weight:500;padding:6px 12px;border-radius:var(--radius);cursor:pointer;border:1px solid transparent;transition:background .1s ease,border-color .1s ease}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.btn:disabled{opacity:.5;cursor:default}.btn--primary{background:var(--accent);color:var(--accent-fg)}.btn--primary:hover:not(:disabled){background:#1d4fd7}.btn--secondary{background:var(--bg);border-color:var(--line);color:var(--fg)}.btn--secondary:hover:not(:disabled){background:var(--hover)}.btn--ghost{background:transparent;color:var(--muted)}.btn--ghost:hover:not(:disabled){background:var(--hover);color:var(--fg)}