:root{--bg:#f2f1ef;--panel:#fff;--line:#e3e2de;--line-soft:#eeedea;--ink:#1b1b19;--muted:#78776f;--accent:#2f5fd0;--pin:#ff5a36;--pin-done:#9a9a92;--radius:10px;--shadow-card:0 1px 2px #14140f0f, 0 8px 24px #14140f14;--shadow-pop:0 6px 32px #14140f2e;--font:ui-sans-serif, -apple-system, "Segoe UI", Inter, system-ui, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;font-size:14px}button,input,textarea{font:inherit;color:inherit}.btn{cursor:pointer;white-space:nowrap;background:0 0;border:1px solid #0000;border-radius:7px;padding:6px 11px;transition:background .12s,border-color .12s}.btn:disabled{opacity:.45;cursor:not-allowed}.btn--ghost{border-color:var(--line);background:var(--panel);color:var(--muted)}.btn--ghost:hover:not(:disabled){color:var(--ink);border-color:#d2d1cc}.btn--primary{background:var(--ink);color:#fff}.btn--primary:hover:not(:disabled){background:#000}.btn--icon{border-color:var(--line);background:var(--panel);color:var(--muted);place-items:center;width:32px;height:32px;padding:0;display:grid}.btn--icon:hover{color:var(--ink);border-color:#d2d1cc}.app{height:100%;display:flex;overflow:hidden}.main{flex-direction:column;flex:1;min-width:0;display:flex;position:relative}.sidebar{background:var(--panel);border-right:1px solid var(--line);flex-direction:column;flex:0 0 244px;min-height:0;display:flex}.sidebar__head{justify-content:space-between;align-items:center;padding:16px 16px 12px;display:flex}.sidebar__brand{letter-spacing:-.01em;font-weight:600}.sidebar__add{border:1px solid var(--line);width:24px;height:24px;color:var(--muted);cursor:pointer;background:0 0;border-radius:6px;line-height:1}.sidebar__add:hover{color:var(--ink)}.sidebar__new{padding:0 12px 10px}.sidebar__new input{border:1px solid var(--line);border-radius:7px;outline:none;width:100%;padding:7px 9px}.sidebar__new input:focus{border-color:var(--accent)}.sidebar__list{flex-direction:column;gap:1px;padding:0 8px 16px;display:flex;overflow-y:auto}.sidebar__empty{color:var(--muted);padding:4px 8px;font-size:13px}.sidebar__item{text-align:left;cursor:pointer;width:100%;color:var(--muted);background:0 0;border:0;border-radius:7px;justify-content:space-between;align-items:center;gap:8px;padding:8px 10px;display:flex}.sidebar__item:hover{background:var(--line-soft);color:var(--ink)}.sidebar__item.is-active{background:var(--line-soft);color:var(--ink);font-weight:550}.sidebar__item-title{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.sidebar__item-meta{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px}.topbar{border-bottom:1px solid var(--line);background:var(--panel);flex:none;justify-content:space-between;align-items:center;gap:16px;padding:12px 16px;display:flex}.topbar__left{align-items:baseline;gap:10px;min-width:0;display:flex}.topbar__title{letter-spacing:-.01em;text-overflow:ellipsis;white-space:nowrap;margin:0;font-size:15px;font-weight:600;overflow:hidden}.topbar__meta{color:var(--muted);white-space:nowrap;font-size:12.5px}.topbar__right{align-items:center;gap:8px;display:flex}.modes{border:1px solid var(--line);border-radius:7px;display:inline-flex;overflow:hidden}.modes button{cursor:pointer;color:var(--muted);background:0 0;border:0;padding:6px 11px}.modes button.is-active{background:var(--ink);color:#fff}.hint{color:var(--muted);border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:1px 5px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px}.canvas{cursor:grab;background-color:var(--bg);background-image:radial-gradient(circle,#d8d7d2 1px,#0000 1px);background-size:22px 22px;flex:1;position:relative;overflow:hidden}.canvas:active{cursor:grabbing}.canvas--panning{cursor:grab}.pan-shield{z-index:25;cursor:grab;position:absolute;inset:0}.pan-shield:active{cursor:grabbing}.pan{transform-origin:0 0;pointer-events:none;position:absolute;inset:0}.world{pointer-events:none;position:absolute;top:0;left:0}.card{background:var(--panel);border-radius:var(--radius);box-shadow:var(--shadow-card);pointer-events:auto;flex-direction:column;display:flex;position:absolute;top:0;left:0}.card--dragging{box-shadow:var(--shadow-pop)}.card__header{border-bottom:1px solid var(--line-soft);background:var(--panel);border-radius:var(--radius) var(--radius) 0 0;-webkit-user-select:none;user-select:none;cursor:grab;flex:none;justify-content:space-between;align-items:center;gap:8px;display:flex}.card__header:active{cursor:grabbing}.card__title{text-overflow:ellipsis;white-space:nowrap;font-weight:550;overflow:hidden}.card__kind{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:.78em}.card__body{border-radius:0 0 var(--radius) var(--radius);background:#fff;flex:1;min-height:0;position:relative;overflow:hidden}.card__frame{border:0;width:100%;height:100%;display:block}.card__image{object-fit:contain;width:100%;height:100%;display:block}.card__pins{pointer-events:none;position:absolute;bottom:0;left:0;right:0}.card__pins--active{pointer-events:auto;cursor:crosshair}.pin-anchor{width:0;height:0;position:absolute}.pin-anchor--dragging .pin-marker{cursor:grabbing;box-shadow:0 4px 14px #14140f66}.pin-marker{transform-origin:50% 100%;background:var(--pin);color:#fff;cursor:grab;pointer-events:auto;border:2px solid #fff;border-radius:13px 13px 13px 3px;min-width:26px;height:26px;padding:0 7px;font-size:12px;font-weight:600;line-height:1;position:absolute;translate:-50% -100%;box-shadow:0 2px 8px #14140f4d}.pin-marker--selected{outline:2px solid var(--ink);outline-offset:2px}.pin-marker--resolved{background:var(--pin-done)}.composer{z-index:30;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);width:262px;box-shadow:var(--shadow-pop);pointer-events:auto;cursor:default;flex-direction:column;gap:8px;padding:10px;display:flex;position:absolute;translate:-50% calc(-100% - 14px)}.composer--below{translate:-50% 14px}.composer__body{border:1px solid var(--line);resize:none;border-radius:7px;outline:none;width:100%;padding:7px 9px;font-size:13.5px}.composer__body:focus{border-color:var(--accent)}.composer__actions{justify-content:flex-end;gap:6px;display:flex}.zoombar{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow-card);border-radius:8px;align-items:center;gap:2px;padding:3px;display:flex;position:absolute;bottom:14px;left:14px}.zoombar button{cursor:pointer;width:26px;height:26px;color:var(--muted);background:0 0;border:0;border-radius:5px}.zoombar button:hover{background:var(--line-soft);color:var(--ink)}.zoombar span{color:var(--muted);text-align:center;font-variant-numeric:tabular-nums;min-width:42px;font-size:12px}.zoombar__fit{padding:0 8px;font-size:12px;width:auto!important}.thread{border-left:1px solid var(--line);background:var(--panel);flex-direction:column;flex:0 0 320px;min-height:0;display:flex}.thread__head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:12px 12px 12px 16px;display:flex}.thread__head>div{gap:6px;display:flex}.thread__body{flex-direction:column;flex:1;gap:14px;padding:12px 16px;display:flex;overflow-y:auto}.comment__meta{align-items:baseline;gap:8px;margin-bottom:3px;display:flex}.comment__meta time{color:var(--muted);font-size:11.5px}.comment p{white-space:pre-wrap;margin:0;line-height:1.5}.thread__reply{border-top:1px solid var(--line);flex-direction:column;gap:8px;padding:12px 16px;display:flex}.thread__reply input,.thread__reply textarea{border:1px solid var(--line);resize:none;border-radius:7px;outline:none;width:100%;padding:7px 9px}.thread__reply input:focus,.thread__reply textarea:focus{border-color:var(--accent)}.empty{color:var(--muted);text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:12px;padding:24px;display:flex}.empty code{background:var(--panel);border:1px solid var(--line);color:var(--ink);border-radius:7px;max-width:100%;padding:9px 12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;overflow-x:auto}.signin{place-items:center;height:100%;padding:24px;display:grid}.signin__card{background:var(--panel);border:1px solid var(--line);width:340px;box-shadow:var(--shadow-card);border-radius:14px;flex-direction:column;gap:12px;padding:26px;display:flex}.signin__card h1{letter-spacing:-.02em;margin:0;font-size:20px}.signin__card p{color:var(--muted);margin:0;font-size:13px;line-height:1.5}.signin__card input{border:1px solid var(--line);border-radius:8px;outline:none;padding:9px 11px}.signin__card input:focus{border-color:var(--accent)}.signin__error{color:#c0392b;font-size:12.5px}.modal{z-index:60;background:#14140f47;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.modal__card{background:var(--panel);width:360px;box-shadow:var(--shadow-pop);border-radius:14px;flex-direction:column;gap:8px;padding:20px;display:flex}.modal__head{justify-content:space-between;align-items:center;margin-bottom:6px;display:flex}.modal__label{color:var(--muted);font-size:13px}.modal__card input{border:1px solid var(--line);border-radius:8px;outline:none;padding:9px 11px}.modal__card input:focus{border-color:var(--accent)}.modal__note{color:var(--muted);margin:0;font-size:12.5px}.modal__actions{justify-content:flex-end;gap:8px;margin-top:10px;display:flex}.toast{background:var(--ink);color:#fff;box-shadow:var(--shadow-pop);z-index:50;border-radius:8px;padding:8px 14px;font-size:13px;position:fixed;bottom:20px;left:50%;translate:-50%}