:root{--nav:#153341;--nav-muted:#aac0cc;--blue:#1679a5;--blue-dark:#116386;--canvas:#f2f6f8;--paper:#fff;--ink:#183744;--muted:#677e8b;--line:#dce6eb;--mint:#137866;--danger:#b63645;--radius:10px;--shadow:0 9px 30px #1533410b;font-family:'Segoe UI','Microsoft YaHei',sans-serif;color:var(--ink);background:var(--canvas);font-size:14px}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:3px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #49accc}a{color:var(--blue);text-decoration:none}button,.button{display:inline-flex;justify-content:center;align-items:center;gap:7px;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:7px;padding:9px 13px;cursor:pointer;line-height:1.4;white-space:nowrap}button:hover,.button:hover{border-color:#9fb9c7;background:#f5f9fb}button:disabled{opacity:.5;cursor:wait}.primary{background:var(--blue);border-color:var(--blue);color:white}.primary:hover{background:var(--blue-dark);border-color:var(--blue-dark)}.danger{color:var(--danger)}.text-button{background:transparent;border-color:transparent;padding:7px}.icon-button{padding:5px 9px;font-size:21px;border-color:transparent;background:transparent}.muted{color:var(--muted)}.small,small{font-size:12px}.mono,code,pre{font-family:Consolas,'Cascadia Code',monospace}.eyebrow{font-size:11px;font-weight:700;letter-spacing:.15em;color:var(--blue)}h1,h2,h3,p{margin-top:0}h1,h2{font-family:Bahnschrift,'Segoe UI','Microsoft YaHei',sans-serif;letter-spacing:-.035em}h1{font-size:28px;font-weight:600;line-height:1.35}h2{font-size:21px;font-weight:600}h3{font-size:15px}p{line-height:1.75}label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:600;min-width:0}input,select,textarea{width:100%;border:1px solid #cddce4;border-radius:6px;padding:10px 11px;background:#fff;color:var(--ink);min-width:0}input:focus,select:focus,textarea:focus{border-color:var(--blue)}input[type=checkbox]{width:16px;height:16px;accent-color:var(--blue)}input[type=color]{height:40px;padding:4px}textarea{resize:vertical;line-height:1.65;min-height:105px}label small{font-weight:400;color:var(--muted);line-height:1.5}.check-label{flex-direction:row;align-items:center;font-weight:400;gap:9px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.wide{grid-column:1/-1}.form-actions{display:flex;gap:9px;margin-top:22px;align-items:center}.notice{padding:13px 16px;border:1px solid #c8dfeb;border-radius:7px;background:#eef7fc;line-height:1.7;margin:16px 0}.notice.error{border-color:#efc9cd;background:#fff3f4;color:var(--danger)}.notice.success{background:#edf8f4;color:var(--mint)}.error-text{color:var(--danger);font-size:13px;margin-top:14px}.brand-mark{font:700 22px Bahnschrift,'Segoe UI',sans-serif;display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;flex:0 0 42px;border-radius:9px;background:#d8eff7;color:var(--nav);position:relative}.brand-mark span{font-size:17px;align-self:flex-start;margin-top:4px}.brand-mark.large{width:70px;height:70px;font-size:37px;border-radius:14px}.brand-mark.large span{font-size:26px;margin-top:7px}.app-shell{display:grid;grid-template-columns:204px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:var(--nav);color:white;padding:28px 15px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;color:#e7f3f8;font-size:14px;line-height:1.45;padding:0 9px}.brand strong{font-weight:600;font-size:15px}.nav-caption{font-size:10px;letter-spacing:.12em;color:var(--nav-muted);margin:36px 16px 10px}.sidebar nav{display:flex;flex-direction:column;gap:5px}.sidebar nav a{color:#c1d3dc;display:flex;align-items:center;gap:11px;padding:12px 15px;border-radius:7px;font-size:13px}.sidebar nav a:hover{background:#ffffff09;color:white}.sidebar nav a.active{background:#d8eff7;color:var(--nav);font-weight:600}.nav-icon{width:19px;font-size:19px;line-height:1}.sidebar-foot{margin-top:auto;color:var(--nav-muted);padding:30px 13px 0;font-size:11px;line-height:1.8}.sidebar-foot small{display:block;margin-left:15px;font-size:10px}.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#54c2a5;margin-right:8px}.main-shell{min-width:0}.topbar{height:68px;background:#ffffffea;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 30px;gap:10px}.topbar-actions{display:flex;align-items:center;gap:12px}.avatar{border-radius:50%;width:32px;height:32px;padding:0;background:#e7eff4;font-size:12px}.mobile-menu{display:none}#content{padding:28px 30px;max-width:1800px;margin:auto}.page-head{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:24px}.page-head h1{margin:0 0 7px}.page-head p{margin:0;font-size:13px;color:var(--muted)}.actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.panel-body{padding:22px}.toolbar{display:flex;gap:10px;align-items:center;padding:15px 17px;border-bottom:1px solid var(--line);flex-wrap:wrap}.toolbar input{max-width:250px}.toolbar select{width:auto;max-width:200px}.toolbar .grow{flex:1}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13px}th{text-align:left;font-size:11px;color:var(--muted);font-weight:600;background:#f8fbfc;white-space:nowrap;letter-spacing:.025em}th,td{padding:13px 17px;border-bottom:1px solid #e8eef2;vertical-align:middle}td{line-height:1.6}td:first-child:has(input),th:first-child:has(input){width:38px;padding-right:3px}tbody tr:last-child td{border-bottom:none}tbody tr:hover{background:#f8fbfd}td .email{font-weight:600;display:block;max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}td .subline{color:var(--muted);font-size:11px;margin-top:2px;max-width:290px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.row-actions{display:flex;gap:2px;white-space:nowrap}.row-actions button{border:none;background:transparent;font-size:12px;padding:5px 8px;color:var(--blue)}.row-actions button.danger{color:var(--danger)}.badge{display:inline-flex;align-items:center;border-radius:4px;padding:2px 7px;background:#edf2f5;color:#597584;font-size:11px;white-space:nowrap}.badge.good{background:#e8f5ef;color:var(--mint)}.badge.bad{background:#fcecef;color:var(--danger)}.badge.warn{background:#fff4df;color:#946821}.badge.blue{background:#e9f4fc;color:var(--blue)}.pagination{border-top:1px solid var(--line);padding:14px 18px;display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:12px;color:var(--muted)}.empty{padding:65px 22px;text-align:center;color:var(--muted);line-height:1.9}.empty strong{color:var(--ink);display:block;font-size:17px;font-weight:600;margin-bottom:8px}.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px;margin-bottom:24px}.stat{border:1px solid var(--line);background:white;border-radius:var(--radius);padding:18px 22px}.stat strong{font:600 32px Bahnschrift,'Segoe UI',sans-serif;display:block;margin:9px 0}.stat small{color:var(--muted)}.columns{display:grid;grid-template-columns:1fr 1fr;gap:22px}.group-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.group-card{padding:20px;border-top:3px solid var(--blue)}.group-card h3{margin-bottom:12px}.group-card p{font-size:12px;color:var(--muted)}.tags{display:flex;gap:5px;flex-wrap:wrap;margin:4px 0}.mail-workbench{display:grid;grid-template-columns:230px 300px minmax(280px,1fr);height:calc(100vh - 205px);min-height:470px}.mail-accounts,.mail-list{border-right:1px solid var(--line);display:flex;flex-direction:column;overflow:hidden;min-width:0}.mail-accounts{background:#f9fbfc}.pane-head{padding:14px;border-bottom:1px solid var(--line);display:flex;gap:7px;flex-wrap:wrap;align-items:center;flex:none}.pane-head strong{font-size:12px}.pane-head select{padding:7px;font-size:12px}.pane-scroll{overflow-y:auto;flex:1;min-height:0}.account-item,.message-item{display:block;width:100%;text-align:left;padding:14px;border:0;border-radius:0;border-bottom:1px solid #e5edf2;background:transparent;white-space:normal}.account-item.active{background:#e4f0f6;box-shadow:inset 3px 0 var(--blue)}.account-item strong{display:block;font-size:12px;word-break:break-all}.account-item small{display:block;color:var(--muted);margin-top:4px}.message-item.active{background:#edf6fb;box-shadow:inset 3px 0 var(--blue)}.message-item strong{display:block;font-size:13px;line-height:1.6;margin:5px 0;font-weight:600}.message-item .sender{display:block;font-size:11px;color:var(--blue);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.message-item .preview{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:11px;line-height:1.7;color:var(--muted)}.message-item time{font-size:10px;color:var(--muted)}.mail-detail{display:flex;flex-direction:column;min-width:0;overflow:hidden;background:white}.detail-header{padding:20px 22px 16px;border-bottom:1px solid var(--line)}.detail-header h2{font-size:18px;line-height:1.5;margin-bottom:12px;overflow-wrap:anywhere}.detail-meta{display:flex;flex-direction:column;gap:5px;font-size:11px;color:var(--muted);overflow-wrap:anywhere}.detail-content{padding:20px 22px;overflow-y:auto;flex:1;min-height:0;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere}.email-frame{width:100%;height:100%;min-height:340px;border:0;background:#fff}.verification-strip{background:#eaf6f5;border:1px solid #c8e6df;border-left:4px solid var(--mint);border-radius:7px;padding:14px 18px;margin-bottom:16px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}.verification-strip .code{font:600 27px Consolas,monospace;letter-spacing:.12em;color:var(--mint)}.verification-strip small{display:block;color:var(--mint);margin-bottom:3px}.tabs{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:22px}.tabs button{border-color:transparent;background:transparent;color:var(--muted)}.tabs button.active{background:#e1eff6;color:var(--blue);font-weight:600}.settings-panel{max-width:950px}.settings-panel h2{margin-bottom:8px}.settings-panel>p{font-size:13px;color:var(--muted)}.setting-section{margin:20px 0;padding-bottom:20px;border-bottom:1px solid var(--line)}.setting-section:last-child{border:0}.api-key-output{padding:15px;background:#edf7f3;border:1px solid #c8e2d6;word-break:break-all;user-select:all;font:14px/1.7 Consolas,monospace}.progress-line{height:4px;background:#e5edf2;border-radius:4px;margin-top:15px;overflow:hidden}.progress-line span{height:100%;display:block;background:var(--blue);width:0}.log-detail{max-width:300px;overflow-wrap:anywhere;font-size:12px}pre{padding:16px;background:#f4f8fa;border:1px solid var(--line);border-radius:7px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px;line-height:1.75}dialog{border:1px solid var(--line);border-radius:12px;box-shadow:0 30px 90px #0f293744;width:min(660px,calc(100vw - 32px));max-height:90vh;padding:0;color:var(--ink)}dialog::backdrop{background:#173b4c69;backdrop-filter:blur(3px)}.dialog-head{display:flex;justify-content:space-between;align-items:center;padding:18px 24px;border-bottom:1px solid var(--line)}.dialog-head h2{font-size:18px;margin:0}#modal-body{padding:24px;overflow-y:auto;max-height:calc(90vh - 78px)}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);max-width:min(620px,90vw);background:var(--nav);color:white;border-radius:8px;box-shadow:0 8px 30px #14313f33;padding:13px 20px;z-index:100;font-size:13px;line-height:1.7}#toast.error{background:#8e2936}.login-screen{display:grid;grid-template-columns:1fr 1fr;min-height:100vh;background:#fff}.login-story{background:#dbeef4;padding:clamp(40px,7vw,110px);display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.login-story .eyebrow{margin-top:33px}.login-story h1{font-size:clamp(32px,4vw,56px);line-height:1.35;margin-bottom:24px}.login-story p:not(.eyebrow){color:#567889;line-height:1.9}.login-stamp{font:10px Consolas,monospace;color:#7395a7;letter-spacing:.2em;margin-top:60px;padding-top:16px;border-top:1px solid #adc9d7;width:100%}.login-form{width:min(365px,calc(100% - 48px));margin:auto;padding:50px 0}.login-form h2{font-size:26px}.login-form form{margin:30px 0}.login-form form button{width:100%;margin-top:22px;justify-content:space-between;padding:12px 15px}.setup-body{padding:40px 20px}.setup-card{max-width:720px;margin:auto;padding:40px;background:white;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.setup-card>.eyebrow{margin-top:20px}.check-grid{display:flex;gap:7px;flex-wrap:wrap;margin:25px 0}.chart-row{display:grid;grid-template-columns:95px minmax(20px,1fr) 40px;align-items:center;gap:10px;font-size:12px;margin:12px 0}.chart-bar{background:#dceef5;height:10px;border-radius:3px;overflow:hidden}.chart-bar span{display:block;height:100%;background:var(--blue)}[hidden]{display:none!important}@media(min-width:1500px){.mail-workbench{grid-template-columns:260px 350px minmax(400px,1fr)}}@media(max-width:1190px){.mail-workbench{grid-template-columns:200px minmax(220px,1fr) minmax(250px,1.2fr)}.app-shell{grid-template-columns:180px minmax(0,1fr)}.sidebar{padding:25px 10px}#content{padding:22px 20px}.topbar{padding:0 20px}.mail-workbench{height:calc(100vh - 210px)}.page-head h1{font-size:24px}}@media(max-width:1000px){.mail-workbench{grid-template-columns:190px minmax(220px,1fr)}.mail-detail{grid-column:1/-1;min-height:400px;border-top:1px solid var(--line)}.mail-workbench{height:auto}.mail-accounts,.mail-list{height:420px}.columns{grid-template-columns:1fr}.stat-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:720px){.app-shell{display:block}.sidebar{position:fixed;width:210px;z-index:30;transform:translateX(-100%);transition:transform .2s}.sidebar.open{transform:translateX(0);box-shadow:10px 0 40px #18374444}.mobile-menu{display:block}.topbar{height:58px;padding:0 12px}.topbar>div:nth-child(2){flex:1}.topbar-actions{gap:3px}#busy{display:none}#content{padding:18px 12px}.page-head{align-items:flex-start;flex-direction:column;gap:14px;margin-bottom:18px}.page-head h1{font-size:24px}.mail-workbench{grid-template-columns:140px minmax(0,1fr)}.mail-accounts,.mail-list{height:370px}.account-item,.message-item{padding:11px}.pane-head{padding:10px}.stat{padding:16px}.stat strong{font-size:28px}.stat-grid{gap:10px}.form-grid{grid-template-columns:1fr}.form-grid .wide{grid-column:1}.toolbar{padding:12px;gap:8px}.toolbar input{max-width:none;flex:1;min-width:140px}.toolbar select{max-width:160px}.login-screen{grid-template-columns:1fr}.login-story{padding:35px}.login-story .large,.login-story .login-stamp{display:none}.login-story .eyebrow{margin-top:0}.login-story h1{font-size:32px;margin-bottom:0}.login-story p:not(.eyebrow){display:none}.login-form{padding:35px 0}.setup-card{padding:25px}.setup-body{padding:20px 12px}.detail-header{padding:17px}.detail-content{padding:17px}.verification-strip{gap:10px;padding:12px}.verification-strip .code{font-size:23px}.dialog-head{padding:16px}#modal-body{padding:18px}.tabs{gap:2px}.tabs button{padding:8px 10px}th,td{padding:12px}.pagination{padding:12px;font-size:11px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}