:root{color-scheme:light;--bg:#f4f0df;--panel:#fffaf0;--surface:#f9eecf;--surface-strong:#efd786;--ink:#20243a;--muted:#687089;--line:#20243a;--line-soft:#b8aa7a;--blue:#2f63d8;--blue-soft:#dce8ff;--mint:#25a769;--mint-soft:#dbf5dd;--amber:#f0a73a;--amber-soft:#fff0c5;--red:#d64b3f;--red-soft:#ffe2dd;--shadow:4px 4px 0 var(--line);--shadow-soft:3px 3px 0 rgba(32,36,58,0.18);--focus:0 0 0 3px #fffaf0,0 0 0 6px #2f63d8}*{box-sizing:border-box}body,html{height:100%;overflow:hidden}body{margin:0;background:linear-gradient(90deg,rgba(32,36,58,.055) 1px,transparent 1px),linear-gradient(0deg,rgba(32,36,58,.055) 1px,transparent 1px),var(--bg);background-size:16px 16px;color:var(--ink);font-family:Courier New,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;letter-spacing:0}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.58}[role=button],button,input,select,textarea{transition:background-color .16s ease,border-color .16s ease,color .16s ease,box-shadow .16s ease,transform .16s ease}[role=button]:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:none;box-shadow:var(--focus)}.app-shell{height:100vh;height:100dvh;overflow:hidden;display:grid;grid-template-rows:auto auto minmax(0,1fr);grid-gap:12px;gap:12px;padding:16px}.topbar{border:2px solid var(--line);background:var(--panel);box-shadow:var(--shadow);padding:14px;display:grid;grid-template-columns:minmax(260px,1fr) auto;grid-gap:14px;gap:14px}.brand-row,.topbar{min-width:0;align-items:center}.brand-row{display:flex;gap:12px}.brand-mark{width:42px;height:42px;background:var(--amber);color:var(--ink);display:grid;place-items:center;flex:0 0 auto;border:2px solid var(--line);box-shadow:3px 3px 0 #000000}.account-title h2,.account-title p,.brand-row h1,.brand-row p,.folder-header h3,.folder-header p,.message-row h4,.modal-header h3{margin:0}.brand-row h1{font-size:20px;line-height:1.15;font-weight:900}.brand-row p{margin-top:4px;color:var(--muted);font-size:12px;font-weight:800}.account-strip,.top-actions,.warning-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.top-actions{justify-content:flex-end}.account-editor input,.form-grid input,.group-create-row input,.search-field input{min-width:0;border:2px solid var(--line);background:var(--panel);color:var(--ink);outline:0}.pixel-select{width:100%;min-width:0;position:relative}.pixel-select-trigger{width:100%;min-width:0;min-height:36px;border:2px solid var(--line);background:var(--panel);color:var(--ink);display:grid;grid-template-columns:minmax(0,1fr) 34px;align-items:stretch;padding:0;text-align:left;font-weight:900;box-shadow:2px 2px 0 rgba(32,36,58,.22)}.pixel-select-value{min-width:0;display:flex;align-items:center;padding:0 10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pixel-select-caret{border-left:2px solid var(--line);background:var(--surface);display:grid;place-items:center}.pixel-select-caret:before{content:"";width:0;height:0;border-left:7px solid transparent;border-right:7px solid transparent;border-top:8px solid var(--line);image-rendering:pixelated}.pixel-select-trigger:hover:not(:disabled),.pixel-select.open .pixel-select-trigger{background:var(--blue);color:#ffffff}.pixel-select-trigger:hover:not(:disabled) .pixel-select-caret,.pixel-select.open .pixel-select-caret{background:#254eac}.pixel-select-trigger:hover:not(:disabled) .pixel-select-caret:before,.pixel-select.open .pixel-select-caret:before{border-top-color:#ffffff}.pixel-select-menu{position:fixed;z-index:80;box-sizing:border-box;max-height:210px;overflow:auto;border:2px solid var(--line);background:var(--panel);box-shadow:4px 4px 0 var(--line);padding:5px;display:grid;grid-gap:4px;gap:4px;scrollbar-width:thin;scrollbar-color:var(--blue) transparent}.pixel-select-option{min-width:0;min-height:34px;border:2px solid transparent;background:transparent;color:var(--ink);display:grid;grid-template-columns:20px minmax(0,1fr);align-items:center;grid-gap:6px;gap:6px;padding:0 8px;text-align:left;font-weight:900}.pixel-select-option span{color:#ffffff;font-weight:900}.pixel-select-option strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pixel-select-option.selected,.pixel-select-option:hover{border-color:var(--line);background:var(--blue);color:#ffffff}.danger-button,.detail-close,.icon-action,.mini-button,.primary-button,.secondary-button,.status-pill,.tool-button{border:2px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-weight:900}.primary-button{min-height:38px;gap:8px;padding:0 14px;background:var(--amber);color:var(--ink);box-shadow:3px 3px 0 var(--line)}.secondary-button{background:var(--blue-soft);color:var(--blue)}.danger-button,.secondary-button{min-height:38px;gap:7px;padding:0 12px;box-shadow:3px 3px 0 var(--line)}.danger-button{background:var(--red-soft);color:#8f231d}.danger-button.wide,.primary-button.wide,.secondary-button.wide{width:100%}.danger-button:hover:not(:disabled),.primary-button:hover:not(:disabled),.secondary-button:hover:not(:disabled),.tool-button:hover:not(:disabled){transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--line)}.danger-button:active:not(:disabled),.primary-button:active:not(:disabled),.secondary-button:active:not(:disabled),.tool-button:active:not(:disabled){transform:translate(2px,2px);box-shadow:1px 1px 0 var(--line)}.tool-button{width:42px;height:38px;background:var(--panel);color:var(--ink);box-shadow:3px 3px 0 var(--line)}.tool-button:hover:not(:disabled){background:var(--surface)}.icon-action,.mini-button{width:30px;height:30px;background:var(--surface);color:var(--ink);box-shadow:2px 2px 0 var(--line)}.icon-action:hover:not(:disabled),.mini-button:hover:not(:disabled){background:var(--amber)}.danger-button:hover:not(:disabled),.icon-action:hover:not(:disabled),.mini-button.danger:hover:not(:disabled){background:var(--red);color:#ffffff}.workspace{min-height:0;display:grid;grid-template-columns:minmax(340px,430px) minmax(0,1fr);grid-gap:14px;gap:14px}.account-card,.detail-pane,.folder-column,.mailbox-pane,.modal-panel{border:2px solid var(--line);background:var(--panel);box-shadow:var(--shadow)}.mailbox-pane{min-height:0;overflow:hidden;padding:12px;display:grid;grid-template-rows:auto auto minmax(0,1fr);grid-gap:10px;gap:10px}.list-toolbar{display:block}.search-field{min-height:40px;border:2px solid var(--line);background:#ffffff;display:flex;align-items:center;gap:8px;padding:0 10px;color:var(--muted)}.search-field input{width:100%;border:0;background:transparent;font-size:13px}.group-tabs{display:flex;gap:8px;overflow-x:auto;padding-bottom:3px;scrollbar-width:thin;scrollbar-color:var(--amber) transparent}.group-tabs button{min-height:34px;flex:0 0 auto;border:2px solid var(--line);background:var(--surface);color:var(--ink);display:inline-flex;align-items:center;gap:8px;padding:0 10px;font-size:12px;font-weight:900}.group-tabs button.active,.group-tabs button:hover{background:var(--amber)}.group-tabs strong{color:var(--blue)}.mailbox-scroll{min-height:0;overflow:auto;display:flex;flex-direction:column;gap:9px;padding:2px 4px 8px 1px;scrollbar-width:thin;scrollbar-color:var(--blue) transparent}.mailbox-item{border:2px solid var(--line);background:rgba(255,255,255,.52);display:grid;grid-template-columns:minmax(0,1fr) 32px;grid-gap:7px;gap:7px;padding:8px}.mailbox-item.active{background:var(--blue-soft);box-shadow:inset 5px 0 0 var(--blue),var(--shadow-soft)}.mailbox-select{min-width:0;border:0;background:transparent;color:inherit;display:flex;gap:9px;align-items:flex-start;text-align:left}.mailbox-main{min-width:0;flex:1 1;display:grid;grid-gap:4px;gap:4px}.mailbox-email,.mailbox-meta{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mailbox-email{font-size:13px;font-weight:900}.mailbox-meta{color:var(--muted);font-size:11px}.mailbox-note{min-width:0;max-width:100%;border:1px solid var(--line-soft);background:var(--surface);color:var(--muted);padding:2px 5px;display:inline-block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:10px;line-height:1.2;font-weight:800}.status-dot{width:11px;height:11px;margin-top:5px;border:2px solid var(--line);background:#a7adbc;flex:0 0 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10px;gap:6px;font-size:13px;line-height:1;white-space:nowrap;box-shadow:3px 3px 0 var(--line)}.status-pill.ok{color:#145433;background:var(--mint-soft)}.status-pill.bad,.warning-row span{color:#7c4700;background:var(--amber-soft)}.status-pill.neutral{color:var(--blue);background:var(--blue-soft)}.account-editor{display:grid;grid-template-columns:minmax(160px,220px) minmax(0,1fr) auto;grid-gap:10px;gap:10px;align-items:end}.account-editor label,.form-grid label{min-width:0;display:grid;grid-gap:6px;gap:6px}.account-editor label>span,.form-grid label>span{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:11px;font-weight:900}.account-editor .pixel-select-trigger,.account-editor input,.form-grid .pixel-select-trigger,.form-grid input{min-height:36px}.account-editor input,.form-grid input{padding:0 10px}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:8px;gap:8px}.metric-tile{min-height:42px;border:2px solid 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rgba(47,99,216,.22)}.message-row.unread{border-left-width:6px}.message-flags,.message-topline{display:flex;align-items:center;gap:8px;justify-content:space-between;min-width:0}.message-topline{color:var(--muted);font-size:12px}.date,.from,.message-row h4{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.from{min-width:0;font-weight:900}.date{flex:0 0 auto;font-size:11px}.message-row h4{margin-top:6px;color:var(--ink);font-size:13px;line-height:1.35;font-weight:900}.message-flags{justify-content:flex-start;flex-wrap:wrap;margin-top:9px}.message-flags span{padding:4px 7px;color:var(--muted);background:var(--surface);border:2px solid var(--line-soft);font-size:11px;font-weight:800}.blank-slate,.empty-folder,.empty-state{color:var(--muted);display:grid;place-items:center;font-weight:900}.empty-state{min-height:90px}.empty-folder,.empty-state{border:2px dashed var(--line-soft);background:rgba(255,250,240,.72);font-size:13px}.empty-folder{min-height:214px}.blank-slate{min-height:100%;gap:8px;border:2px dashed var(--line-soft);background:rgba(255,250,240,.72)}.confirm-overlay,.message-detail-overlay,.mini-modal-overlay,.modal-overlay{position:fixed;inset:0;z-index:30;display:grid;place-items:center;padding:18px;background:rgba(32,36,58,.42);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.mini-modal-overlay{z-index:42;background:rgba(32,36,58,.28)}.confirm-overlay{z-index:90;background:rgba(32,36,58,.48)}.confirm-panel{width:min(430px,calc(100vw - 32px));border:2px solid var(--line);background:var(--panel);box-shadow:8px 8px 0 rgba(0,0,0,.32);padding:14px;display:grid;grid-gap:14px;gap:14px}.confirm-panel p{margin:0;border:2px solid var(--line-soft);background:var(--surface);color:var(--ink);padding:12px;line-height:1.55;font-size:13px;font-weight:900}.confirm-actions{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px}.app-message{position:fixed;top:18px;left:50%;z-index:120;opacity:0;transform:translate(-50%,-14px);min-width:min(420px,calc(100vw - 28px));max-width:min(680px,calc(100vw - 28px));min-height:42px;border:2px solid var(--line);background:var(--panel);color:var(--ink);box-shadow:5px 5px 0 rgba(0,0,0,.28);display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;grid-gap:9px;gap:9px;padding:9px 10px;font-size:13px;font-weight:900;animation:app-message-enter .18s steps(4) forwards;will-change:transform,opacity}.app-message.leaving{pointer-events:none;animation:app-message-exit .18s steps(4) forwards}@keyframes app-message-enter{0%{opacity:0;transform:translate(-50%,-18px) scale(.98)}60%{opacity:1;transform:translate(-50%,2px) scale(1)}to{opacity:1;transform:translate(-50%)}}@keyframes app-message-exit{0%{opacity:1;transform:translate(-50%)}to{opacity:0;transform:translate(-50%,-16px) scale(.98)}}.app-message.error{border-color:var(--red);background:var(--red-soft);color:#8f231d}.app-message.success{border-color:var(--mint);background:var(--mint-soft);color:#145433}.app-message.info{border-color:var(--blue);background:var(--blue-soft);color:var(--blue)}.app-message span{min-width:0;overflow-wrap:anywhere}.app-message button{width:24px;height:24px;border:2px solid;background:transparent;color:inherit;display:grid;place-items:center;padding:0}.mini-modal-panel{width:min(360px,calc(100vw - 28px));border:2px solid var(--line);background:var(--panel);box-shadow:6px 6px 0 rgba(0,0,0,.28);padding:14px;display:grid;grid-gap:12px;gap:12px}.quick-group-field{display:grid;grid-gap:6px;gap:6px}.quick-group-field span{color:var(--muted);font-size:11px;font-weight:900}.quick-group-field input{min-height:38px;border:2px solid var(--line);background:#ffffff;color:var(--ink);padding:0 10px;outline:0}.modal-panel{width:min(760px,calc(100vw - 28px));max-height:min(88dvh,760px);overflow:auto;padding:14px;display:grid;grid-gap:12px;gap:12px}.group-modal{width:min(1180px,calc(100vw - 32px));height:min(96dvh,1104px);max-height:calc(100dvh - 20px);padding:20px;gap:18px;grid-template-rows:auto auto auto minmax(0,1fr)}.group-modal .bulk-transfer{min-height:0}.group-modal .transfer-tree{height:100%;min-height:0;max-height:none}.add-mailbox-modal textarea{width:100%;min-height:180px;resize:vertical;border:2px solid var(--line);background:#ffffff;color:var(--ink);padding:10px 11px;outline:none;line-height:1.45;font-size:12px}.modal-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.modal-header>div{display:flex;align-items:center;gap:8px}.modal-header h3{font-size:18px;font-weight:900}.form-grid.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:10px;gap:10px;align-items:end}.add-group-button{min-height:36px}.import-result{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:7px;gap:7px}.import-result span{background:var(--surface);border:2px solid var(--line);padding:7px;color:var(--ink);font-size:12px;text-align:center;font-weight:900}.issue-list{max-height:126px;overflow:auto;display:flex;flex-direction:column;gap:7px}.issue-list.compact{max-height:160px}.issue-list div{display:flex;align-items:flex-start;gap:7px;padding:9px 10px;background:var(--amber-soft);border:2px solid var(--amber);color:#7c4700;font-size:12px;line-height:1.35}.group-create-row{display:grid;grid-template-columns:minmax(0,1fr) 46px auto;grid-gap:12px;gap:12px}.group-create-row input{min-height:44px;padding:0 12px}.bulk-transfer .secondary-button,.group-create-row .mini-button,.group-create-row .secondary-button{min-height:44px;height:44px}.group-create-row .mini-button{width:46px}.bulk-transfer{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);grid-template-rows:auto minmax(0,1fr);grid-gap:14px;gap:14px;align-items:stretch;border:2px solid var(--line);background:var(--surface);padding:14px}.bulk-transfer-title{grid-column:1/-1;grid-row:1;min-height:42px;height:42px;border:2px solid var(--line);background:var(--panel);display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 12px;font-size:13px;font-weight:900}.bulk-transfer-title strong{color:var(--blue)}.tree-transfer-panel{min-width:0;min-height:0;height:100%;border:2px solid var(--line);background:var(--panel);display:grid;grid-template-rows:auto minmax(0,1fr)}.source-mailbox-panel{grid-column:1;grid-row:2}.target-tree-panel{grid-column:3;grid-row:2}.tree-transfer-panel header{min-height:56px;border-bottom:2px solid var(--line);background:var(--blue-soft);display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px}.tree-transfer-panel header div{min-width:0;display:grid;grid-gap:3px;gap:3px}.tree-transfer-panel header strong{font-size:13px;line-height:1;font-weight:900}.tree-transfer-panel header span{color:var(--muted);font-size:10px;line-height:1.25;font-weight:900}.tree-transfer-panel header b{min-width:28px;height:26px;border:2px solid var(--line);background:var(--panel);color:var(--blue);display:grid;place-items:center;font-size:12px;font-weight:900}.transfer-tree{min-height:270px;max-height:380px;overflow:auto;padding:9px;align-content:start;scrollbar-width:thin;scrollbar-color:var(--blue) transparent}.source-tree-group,.transfer-tree,.transfer-tree-branch{display:grid;grid-gap:7px;gap:7px}.transfer-tree-node{min-width:0;min-height:38px;border:2px solid var(--line);background:rgba(255,255,255,.56);color:var(--ink);display:grid;grid-template-columns:minmax(0,1fr) 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strong{color:#8b8f9d}.mailbox-check-branch{margin-left:48px;display:grid;grid-gap:6px;gap:6px;position:relative}.mailbox-check-branch:before{content:"";position:absolute;left:-18px;top:-8px;bottom:17px;border-left:2px solid var(--line)}.mailbox-check-row{min-width:0;min-height:36px;border:2px solid var(--line-soft);background:rgba(255,250,240,.72);color:var(--ink);display:grid;grid-template-columns:24px minmax(0,1fr);align-items:center;grid-gap:8px;gap:8px;padding:5px 9px;text-align:left;font-weight:900;position:relative}.mailbox-check-row:before{content:"";position:absolute;left:-18px;top:50%;width:16px;border-top:2px solid var(--line)}.mailbox-check-row.select-all{background:var(--surface);border-color:var(--line)}.mailbox-check-row.checked{background:var(--blue-soft);border-color:var(--blue);box-shadow:2px 2px 0 rgba(47,99,216,.24)}.mailbox-check-row:hover{transform:translate(-1px,-1px);border-color:var(--line);box-shadow:3px 3px 0 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