.fb-open{overflow:hidden}
.fb-overlay{position:fixed;inset:0;z-index:10000;background:var(--bg);color:var(--txt);display:flex;flex-direction:column;font-family:inherit;font-size:14px;line-height:1.4}
.fb-overlay *{box-sizing:border-box}
.fb-overlay button{background:var(--panel2);border:1px solid var(--line);color:var(--txt);border-radius:8px;padding:9px 12px;cursor:pointer;font:inherit;white-space:nowrap}
.fb-overlay button:hover{border-color:var(--acc-text)}
.fb-overlay button:focus-visible,.fb-overlay input:focus-visible,.fb-overlay textarea:focus-visible,.fb-overlay select:focus-visible{outline:2px solid var(--acc);outline-offset:2px}
.fb-overlay button:disabled{opacity:.4;cursor:default}
.fb-header{height:76px;min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 24px;background:var(--panel);border-bottom:1px solid var(--line)}
.fb-brand{display:flex;align-items:center;gap:22px;min-width:0}.fb-mark{font-size:23px;font-weight:300;letter-spacing:-2px;color:var(--acc-text)}.fb-mark span{font-size:11px;vertical-align:top;margin-left:2px}
.fb-brand small{display:block;color:var(--mut);font-size:10px;letter-spacing:1.7px}.fb-brand h1{font-size:17px;margin:2px 0 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:55vw}
.fb-header-actions{display:flex;align-items:center;gap:10px}.fb-status{color:var(--mut);font-size:12px;max-width:360px;text-align:right}
.fb-tools{display:flex;align-items:center;gap:7px;padding:10px 22px;overflow-x:auto;background:var(--panel);border-bottom:1px solid var(--line)}
.fb-tools button.is-active{background:var(--acc);color:var(--acc-ink);border-color:var(--acc);font-weight:700}.fb-divider{height:24px;min-width:1px;background:var(--line);margin:0 6px}.fb-mode-label{margin-left:auto;color:var(--mut);font-size:12px}
.fb-pen-setting{display:flex;align-items:center;gap:6px;color:var(--mut);font-size:12px;white-space:nowrap}.fb-tools:not(.is-drawing) .fb-pen-setting{display:none}.fb-pen-setting input[type=color]{width:30px;height:30px;border:1px solid var(--line);border-radius:7px;padding:2px;background:var(--panel2);cursor:pointer}.fb-pen-setting select{height:32px;padding:4px 7px;background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:7px}
.fb-stage{position:relative;flex:1;min-height:0;overflow:hidden;touch-action:none;cursor:grab;background-color:var(--bg);background-image:radial-gradient(circle at 1px 1px,var(--line) 1px,transparent 0);background-size:24px 24px}
.fb-stage:active{cursor:grabbing}.fb-world{position:absolute;left:0;top:0;transform-origin:0 0;width:0;height:0}
.fb-stage.is-drawing,.fb-stage.is-erasing{cursor:crosshair}.fb-stage.is-pan-override,.fb-stage.is-pan-override .fb-card{cursor:grab}.fb-stage.is-pan-override:active{cursor:grabbing}
.fb-lines{position:absolute;left:-10000px;top:-10000px;width:20000px;height:20000px;overflow:visible;pointer-events:none}.fb-lines path,.fb-lines polyline{pointer-events:stroke;fill:none;stroke:var(--mut);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}.fb-lines path{stroke:var(--acc-text);stroke-width:2}.fb-lines .is-selected{stroke:var(--warn);stroke-width:4}
.fb-card{position:absolute;min-height:92px;padding:17px 18px;display:flex;flex-direction:column;gap:7px;background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--acc);border-radius:12px;box-shadow:0 10px 24px rgba(0,0,0,.13);cursor:grab;user-select:none;overflow-wrap:anywhere;touch-action:none}
.fb-card:active{cursor:grabbing}.fb-card:hover,.fb-card.is-selected{border-color:var(--acc-text);box-shadow:0 0 0 2px color-mix(in srgb,var(--acc) 25%,transparent),0 12px 25px rgba(0,0,0,.17)}
.fb-overlay .fb-card-edit{position:absolute;top:7px;right:7px;padding:3px 7px;border:0;background:transparent;color:var(--mut);font-size:16px;line-height:1;opacity:0}.fb-card:hover .fb-card-edit,.fb-card.is-selected .fb-card-edit,.fb-card-edit:focus-visible{opacity:1}.fb-overlay .fb-card-edit:hover{background:var(--panel2);color:var(--txt)}
@media(hover:none){.fb-overlay .fb-card-edit{opacity:1}}
.fb-card.fb-task{border-left-color:var(--blue)}.fb-card.fb-decision{border-left-color:var(--warn)}.fb-card-kind{color:var(--mut);font-size:10px;letter-spacing:1.5px;text-transform:uppercase;font-weight:700}.fb-card strong{font-size:17px;line-height:1.2}.fb-card p{font-size:12px;line-height:1.45;color:var(--mut);margin:0;white-space:pre-wrap;max-height:100px;overflow:auto}
.fb-hint{position:absolute;left:22px;bottom:18px;color:var(--mut);font-size:11px;pointer-events:none}.fb-zoom-tools{position:absolute;right:18px;bottom:18px;display:flex;align-items:center;gap:5px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:4px;box-shadow:0 5px 20px rgba(0,0,0,.14)}.fb-zoom{min-width:47px;text-align:center;color:var(--mut);font-size:12px}
.fb-editor{position:absolute;right:24px;top:155px;width:min(340px,calc(100vw - 48px));padding:20px;display:flex;flex-direction:column;gap:14px;background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:0 20px 60px rgba(0,0,0,.3)}.fb-editor[hidden]{display:none}.fb-editor-head,.fb-editor-actions{display:flex;align-items:center;justify-content:space-between;gap:8px}.fb-editor-head strong{font-size:17px}.fb-editor label{display:flex;flex-direction:column;gap:6px;font-size:12px;color:var(--mut)}.fb-editor input,.fb-editor textarea,.fb-editor select{width:100%;background:var(--well);color:var(--txt);border:1px solid var(--line);border-radius:8px;padding:10px;font:inherit}.fb-editor textarea{resize:vertical}.fb-overlay .fb-primary{background:var(--acc);color:var(--acc-ink);border-color:var(--acc);font-weight:700}
@media(max-width:720px){.fb-header{height:66px;min-height:66px;padding:0 12px}.fb-mark{display:none}.fb-brand h1{font-size:14px;max-width:45vw}.fb-status{display:none}.fb-tools{padding:8px}.fb-tools button{padding:7px 9px}.fb-mode-label,.fb-hint{display:none}.fb-editor{top:auto;right:8px;bottom:70px}}