:root{--bar-bg:#fff;--bar-fg:#1f2430;--accent:#4c8dff;--btn-hover:#0000000f;--btn-active:#4c8dff29;--shadow:0 2px 12px #00000024;--bar-border:1px solid #00000014}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{width:100%;height:100%;margin:0}html,body{overscroll-behavior:none;background:#f4f5f7;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Yu Gothic,sans-serif;overflow:hidden}.board{touch-action:none;cursor:crosshair;background:#fff;width:100%;height:100%;display:block;position:fixed;inset:0}#toolbar{left:max(8px, env(safe-area-inset-left));top:max(64px, calc(env(safe-area-inset-top) + 56px));background:var(--bar-bg);color:var(--bar-fg);border:var(--bar-border);box-shadow:var(--shadow);z-index:10;-webkit-user-select:none;user-select:none;border-radius:16px;flex-direction:column;align-items:center;gap:4px;padding:8px 6px;display:flex;position:fixed}#toolbar.collapsed{padding:6px}.rail-item{display:flex;position:relative}.flyout{background:var(--bar-bg);color:var(--bar-fg);border:var(--bar-border);box-shadow:var(--shadow);z-index:11;border-radius:14px;flex-direction:column;align-items:center;gap:6px;max-height:calc(100vh - 16px);padding:8px;display:flex;position:absolute;top:0;left:calc(100% + 8px);overflow:auto}.flyout.up{top:auto;bottom:0}.flyout.actions{align-items:stretch;gap:2px;min-width:184px}.flyout.colors .swatches{grid-template-columns:repeat(4,auto);gap:6px;display:grid}.flyout-row{justify-content:center;align-items:center;gap:8px;display:flex}.tbtn.has-flyout{position:relative}.tbtn.has-flyout:after{content:"";opacity:.5;border-top:0 solid #0000;border-bottom:5px solid;border-left:5px solid #0000;border-right:0 solid #0000;position:absolute;bottom:3px;right:3px}.wdot{pointer-events:none;background:currentColor;border-radius:50%;display:block}.row-az{text-align:center;flex:none;width:20px}.tbtn.locked,.menu-row.locked,.board-new.locked,.board-item-name.locked{opacity:.5}.tbtn.locked{position:relative}.tbtn.locked:before{content:"🔒";filter:grayscale();font-size:9px;line-height:1;position:absolute;top:-1px;right:-1px}.tbtn{appearance:none;color:var(--bar-fg);cursor:pointer;background:0 0;border:none;border-radius:11px;place-items:center;width:42px;height:42px;font-size:20px;line-height:1;transition:background .12s,transform 60ms;display:grid}.tbtn:hover{background:var(--btn-hover)}.tbtn:active{transform:scale(.92)}.tbtn.active{background:var(--btn-active);box-shadow:inset 0 0 0 1.5px var(--accent)}.tbtn:disabled{opacity:.35;cursor:default}.tbtn:disabled:hover{background:0 0}.tbtn svg{pointer-events:none;width:22px;height:22px}.menu-row{appearance:none;color:var(--bar-fg);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:10px;align-items:center;gap:10px;padding:8px 10px;font-size:14px;display:flex}.menu-row:hover{background:var(--btn-hover)}.menu-row.active{background:var(--btn-active)}.menu-row:disabled{opacity:.4;cursor:default}.menu-row svg{pointer-events:none;flex:none;width:20px;height:20px}.tbtn .swatch{pointer-events:none;width:24px;height:24px}.swatches{align-items:center;gap:5px;display:flex}.swatch{cursor:pointer;border:2px solid #ffffff8c;border-radius:50%;width:26px;height:26px;padding:0;transition:transform 80ms}.swatch:active{transform:scale(.88)}.swatch.active{box-shadow:0 0 0 2px var(--accent);border-color:#fff;transform:scale(1.18)}#customColor{cursor:pointer;background:0 0;border:none;border-radius:50%;width:30px;height:30px;padding:0;overflow:hidden}#customColor::-webkit-color-swatch-wrapper{padding:0}#customColor::-webkit-color-swatch{border:2px solid #ffffff8c;border-radius:50%}#textInput{z-index:20;border:1px dashed var(--accent);white-space:pre-wrap;resize:none;background:#ffffff80;outline:none;min-width:4px;min-height:1.4em;margin:0;padding:2px 4px;font-family:inherit;line-height:1.35;position:fixed;overflow:hidden}.top-left{left:max(12px, env(safe-area-inset-left));top:max(12px, env(safe-area-inset-top));z-index:15;align-items:center;gap:8px;display:flex;position:fixed}#boardMenu{-webkit-user-select:none;user-select:none;position:relative}.board-current{background:var(--bar-bg);color:var(--bar-fg);border:var(--bar-border);cursor:pointer;box-shadow:var(--shadow);border-radius:12px;align-items:center;gap:6px;max-width:60vw;padding:8px 12px;font-size:13px;display:flex}.board-name{text-overflow:ellipsis;white-space:nowrap;max-width:40vw;overflow:hidden}.board-caret{opacity:.7;font-size:10px}.board-list{background:var(--bar-bg);color:var(--bar-fg);border:var(--bar-border);box-shadow:var(--shadow);border-radius:12px;min-width:200px;max-height:60vh;padding:6px;position:absolute;top:calc(100% + 6px);left:0;overflow-y:auto}.board-section{opacity:.55;border-top:1px solid var(--bar-border);margin-top:4px;padding:8px 8px 4px;font-size:11px;font-weight:600}.board-section:empty{border-top:none;margin:0;padding:0}.board-item{border-radius:8px;align-items:center;gap:2px;padding:2px;display:flex}.board-item.active{background:var(--btn-active)}.board-item-name{text-align:left;color:var(--bar-fg);cursor:pointer;text-overflow:ellipsis;white-space:nowrap;background:0 0;border:none;border-radius:6px;flex:1;padding:6px 8px;font-size:13px;overflow:hidden}.board-item-name:hover{background:var(--btn-hover)}.board-icon{color:var(--bar-fg);opacity:.7;cursor:pointer;background:0 0;border:none;border-radius:6px;width:26px;height:26px;font-size:12px}.board-icon:hover{background:var(--btn-hover);opacity:1}.board-new{width:100%;color:var(--bar-fg);cursor:pointer;background:0 0;border:1px dashed #ffffff40;border-radius:8px;margin-top:4px;padding:8px;font-size:13px}.board-new:hover{background:var(--btn-hover)}#shareButton{background:var(--accent);color:#fff;cursor:pointer;box-shadow:var(--shadow);border:none;border-radius:12px;align-items:center;gap:6px;padding:8px 12px;font-size:13px;display:flex}#shareButton:hover{filter:brightness(1.08)}.top-right{right:max(12px, env(safe-area-inset-right));top:max(12px, env(safe-area-inset-top));z-index:15;align-items:center;gap:8px;display:flex;position:fixed}.auth-account,.lang-switch{position:relative}.lang-btn{background:var(--bar-bg);color:var(--bar-fg);border:var(--bar-border);cursor:pointer;box-shadow:var(--shadow);border-radius:12px;align-items:center;gap:6px;padding:8px 12px;font-size:13px;display:flex}.lang-btn:hover{background:#f1f2f4}.lang-menu{background:var(--bar-bg);color:var(--bar-fg);border:var(--bar-border);box-shadow:var(--shadow);border-radius:12px;flex-direction:column;gap:2px;min-width:140px;padding:6px;display:flex;position:absolute;top:calc(100% + 6px);right:0}.lang-item{appearance:none;color:var(--bar-fg);text-align:left;cursor:pointer;background:0 0;border:none;border-radius:8px;padding:8px 10px;font-size:14px}.lang-item:hover{background:var(--btn-hover)}.lang-item.active{background:var(--btn-active);font-weight:600}.auth-btn,.auth-pill{background:var(--bar-bg);color:var(--bar-fg);border:var(--bar-border);cursor:pointer;box-shadow:var(--shadow);border-radius:12px;align-items:center;gap:6px;padding:8px 14px;font-size:13px;display:flex}.auth-btn:hover,.auth-pill:hover{background:#f1f2f4}.auth-account{position:relative}.plan-badge{background:var(--btn-active);color:var(--bar-fg);border-radius:999px;padding:2px 8px;font-size:11px;font-weight:600}.plan-badge.plan-basic{color:#fff;background:#3a7bd5}.plan-badge.plan-pro{background:var(--accent);color:#fff}.auth-caret{opacity:.7;font-size:10px}.auth-menu{background:var(--bar-bg);color:var(--bar-fg);border:var(--bar-border);box-shadow:var(--shadow);border-radius:12px;min-width:200px;padding:8px;position:absolute;top:calc(100% + 6px);right:0}.auth-email{opacity:.8;text-overflow:ellipsis;white-space:nowrap;padding:4px 8px 8px;font-size:12px;overflow:hidden}.auth-logout,.auth-upgrade,.auth-manage{width:100%;color:var(--bar-fg);cursor:pointer;background:0 0;border:1px solid #fff3;border-radius:8px;padding:8px;font-size:13px}.auth-logout:hover,.auth-manage:hover{background:var(--btn-hover)}.auth-upgrade{background:var(--accent,#4f7cff);color:#fff;border-color:#0000;margin-bottom:6px;font-weight:600}.auth-upgrade:hover{filter:brightness(1.08)}.auth-manage{margin-bottom:6px}.auth-upgrade:disabled,.auth-manage:disabled{opacity:.6;cursor:default}.ad-slot{left:50%;bottom:max(12px, env(safe-area-inset-bottom));color:#00000080;pointer-events:none;z-index:5;background:#0000000a;border:1px dashed #0003;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;gap:2px;width:180px;height:56px;font-size:12px;display:flex;position:fixed;transform:translate(-50%)}.ad-slot-label{font-weight:600}.ad-slot-note{opacity:.7;font-size:10px}#collabBar{left:max(12px, env(safe-area-inset-left));top:max(12px, env(safe-area-inset-top));z-index:15;background:var(--bar-bg);color:var(--bar-fg);border:var(--bar-border);box-shadow:var(--shadow);border-radius:12px;flex-wrap:wrap;align-items:center;gap:8px;max-width:calc(100vw - 24px);padding:7px 10px;font-size:13px;display:flex;position:fixed}.collab-dot{background:#2ecc71;border-radius:50%;width:8px;height:8px;box-shadow:0 0 0 3px #2ecc7140}.collab-label{font-weight:600}.collab-avatars{align-items:center;gap:3px;display:flex}.collab-avatar{color:#fff;border:1.5px solid #ffffff80;border-radius:50%;place-items:center;width:22px;height:22px;font-size:10px;display:grid}.collab-count{opacity:.8;margin-left:4px}.collab-action{color:var(--bar-fg);cursor:pointer;background:#ffffff1f;border:none;border-radius:8px;padding:6px 10px;font-size:12px}.collab-action:hover{background:#fff3}.collab-action.ghost{background:0 0;border:1px solid #ffffff40}.room-closed{z-index:50;-webkit-backdrop-filter:blur(4px);background:#f4f5f7eb;place-items:center;display:grid;position:fixed;inset:0}.room-closed-card{background:var(--bar-bg);color:var(--bar-fg);border:var(--bar-border);box-shadow:var(--shadow);text-align:center;border-radius:16px;padding:24px 28px}.room-closed-card p{margin:0 0 16px;font-size:15px}.room-closed-card button{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:10px;padding:10px 18px;font-size:14px}.modal-overlay{z-index:60;-webkit-backdrop-filter:blur(3px);background:#1f243047;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.modal-card{background:var(--bar-bg);color:var(--bar-fg);border:var(--bar-border);box-shadow:var(--shadow);border-radius:16px;width:min(92vw,380px);padding:20px 22px}.modal-title{margin:0 0 10px;font-size:16px}.modal-lead{margin:0 0 8px;font-size:13px}.modal-list{margin:0 0 12px;padding-left:18px;font-size:13px;line-height:1.7}.modal-note{opacity:.7;margin:0 0 14px;font-size:12px}.share-restrict{border:1px solid var(--bar-border);border-radius:10px;flex-direction:column;gap:10px;margin:0 0 14px;padding:12px;display:flex}.share-row{cursor:pointer;align-items:center;gap:8px;font-size:13px;display:flex}.share-field{flex-direction:column;gap:4px;font-size:13px;display:flex}.share-field input,.share-field textarea{border:1px solid var(--bar-border);font:inherit;background:var(--bar-bg);color:var(--bar-fg);resize:vertical;border-radius:8px;padding:7px 9px;font-size:13px}.share-field .modal-note{margin:0}.modal-actions{justify-content:flex-end;gap:8px;display:flex}.modal-cancel,.modal-primary{cursor:pointer;border:none;border-radius:10px;padding:9px 16px;font-size:14px}.modal-cancel{background:var(--btn-hover);color:var(--bar-fg)}.modal-primary{background:var(--accent);color:#fff;font-weight:600}.collab-loading{background:var(--bar-bg);color:var(--bar-fg);border:var(--bar-border);box-shadow:var(--shadow);z-index:40;border-radius:12px;padding:10px 18px;font-size:13px;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)}.toast{background:var(--bar-bg);color:var(--bar-fg);border:var(--bar-border);opacity:0;pointer-events:none;z-index:30;box-shadow:var(--shadow);border-radius:999px;padding:8px 16px;font-size:13px;transition:opacity .2s,transform .2s;position:fixed;top:18px;left:50%;transform:translate(-50%)translateY(-20px)}.toast.show{opacity:1;transform:translate(-50%)translateY(0)}@media (width<=560px){.tbtn{flex-shrink:0;width:44px;height:44px;font-size:18px}.tbtn svg{width:24px;height:24px}.swatch{width:36px;height:36px}.flyout.colors .swatches{gap:8px}}@media (height<=640px){.tbtn{width:38px;height:38px}.tbtn svg{width:20px;height:20px}#toolbar.vrail{gap:2px}}