:root{font-family:Arial,"Noto Sans SC","PingFang SC",sans-serif;color:#202124;background:#f6f8fc;font-size:16px}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid #1a73e8;outline-offset:2px}[hidden]{display:none!important}.app-shell{min-height:100vh}.topbar{height:72px;display:flex;align-items:center;gap:18px;padding:0 28px 0 20px}.brand-logo{width:120px;height:32px;object-fit:contain;object-position:left center;flex:none}.icon-button{border:0;background:transparent;color:#5f6368;border-radius:50%;width:38px;height:38px;display:inline-grid;place-items:center;font-size:25px}.icon-button:hover{background:#e9edf4}.menu-button{font-size:21px}.search-box{height:48px;max-width:720px;flex:1;display:flex;align-items:center;gap:12px;background:#eaf1fb;border-radius:26px;padding:0 18px;color:#536477;margin-left:54px}.search-box span{font-size:28px;line-height:1}.search-box input{border:0;outline:none;background:transparent;width:100%;min-width:0;color:#202124;font-size:16px}.search-box input::placeholder{color:#5f6368}.demo-badge{margin-left:auto;white-space:nowrap;color:#5f6368;font-size:13px}.avatar{height:34px;width:34px;flex:none;border-radius:50%;display:grid;place-items:center;background:#7957b7;color:white;font-size:15px}.workspace{display:grid;grid-template-columns:256px minmax(0,1fr);min-height:calc(100vh - 72px)}.sidebar{padding:12px 12px 24px 16px;display:flex;flex-direction:column;gap:25px}.compose-trigger{height:56px;align-self:flex-start;border:0;border-radius:17px;padding:0 22px;background:#d3e3fd;color:#14345e;box-shadow:0 1px 2px #0002;font-weight:600;display:flex;align-items:center;gap:14px}.compose-trigger:hover{box-shadow:0 2px 6px #0002}.compose-trigger span{font-size:24px}.folder-nav{display:grid;gap:2px}.nav-item{height:38px;width:100%;border:0;background:transparent;color:#444746;border-radius:0 20px 20px 0;display:flex;align-items:center;text-align:left;gap:16px;padding:0 16px;font-size:14px}.nav-item:hover{background:#e8edf4}.nav-item.active{background:#d3e3fd;color:#132f52;font-weight:700}.nav-icon{width:19px;text-align:center;font-size:20px;line-height:1;color:#5f6368}.nav-item.active .nav-icon{color:#173963}.nav-count{margin-left:auto;font-size:13px}.sidebar-note{margin-top:auto;padding:0 12px;color:#81868d;font-size:12px;line-height:1.5}.mail-panel{margin:0 16px 16px 0;border-radius:17px;background:#fff;min-width:0;overflow:hidden;box-shadow:0 1px 2px #dce2ec}.list-heading{min-height:94px;display:flex;align-items:center;justify-content:space-between;padding:24px 30px 18px;gap:16px}.list-heading h1{font-size:22px;margin:0 0 4px;font-weight:500}.list-heading p{margin:0;color:#6d747d;font-size:13px}.mail-total{font-size:13px;color:#777e86;white-space:nowrap}.list-toolbar{height:40px;border-bottom:1px solid #edf0f2;display:flex;align-items:center;justify-content:space-between;padding:0 30px;color:#777e86;font-size:13px}.toolbar-label{color:#3d4751;font-weight:600}.mail-row{min-height:54px;display:grid;grid-template-columns:30px minmax(130px,180px) minmax(0,1fr) 76px;align-items:center;gap:14px;padding:0 28px;border-bottom:1px solid #edf0f2;background:#f8fafd;font-size:14px}.mail-row.unread{background:#fff;font-weight:600}.mail-row:hover{box-shadow:inset 0 0 0 1px #dfe5ec;background:#f2f6fc}.star-button{padding:0;background:transparent;border:0;color:#9aa0a6;font-size:25px}.sender,.mail-line{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mail-line strong{font-weight:inherit}.mail-line span{color:#666d75;font-weight:400}.mail-row time{text-align:right;color:#626971;font-size:12px;white-space:nowrap}.compose-panel{position:fixed;z-index:20;right:32px;bottom:0;width:min(580px,calc(100vw - 24px));height:min(610px,calc(100vh - 90px));display:flex;flex-direction:column;background:#fff;box-shadow:0 8px 32px #25385840;border-radius:12px 12px 0 0;overflow:hidden}.compose-header{height:44px;flex:none;background:#edf2fa;display:flex;align-items:center;justify-content:space-between;padding:0 12px 0 18px}.compose-header h2{font-size:14px;margin:0}.compose-panel form{height:calc(100% - 44px);display:flex;flex-direction:column;padding:0 18px}.address-line{display:flex;align-items:flex-start;gap:12px;min-height:48px;border-bottom:1px solid #e4e7eb;padding:11px 0}.address-line>span{font-size:14px;color:#626971;padding-top:5px}.address-entry{min-width:0;flex:1;display:flex;align-items:center;flex-wrap:wrap;gap:5px}.recipient-chips{display:flex;flex-wrap:wrap;gap:5px}.recipient-chip{display:inline-flex;align-items:center;gap:3px;padding:4px 7px;background:#e9f1fe;border-radius:12px;font-size:13px;color:#184b91}.recipient-chip button{border:0;background:transparent;color:inherit;padding:0 2px}.address-entry input{border:0;outline:none;min-width:170px;flex:1;padding:3px 0;font-size:14px}.subject-input{height:44px;flex:none;border:0;border-bottom:1px solid #e4e7eb;outline:none}.compose-panel textarea{flex:1;width:100%;min-height:100px;resize:none;border:0;outline:none;padding:15px 0;line-height:1.5}.attachment-list{display:flex;flex-wrap:wrap;gap:6px;padding-bottom:8px}.attachment-pill{display:inline-flex;align-items:center;gap:5px;background:#f1f3f5;border:1px solid #e5e8eb;border-radius:16px;padding:5px 8px;font-size:12px;max-width:100%}.attachment-pill span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attachment-pill button{background:none;border:0;color:#68717a;font-size:16px}.compose-footer{height:64px;flex:none;display:flex;align-items:center;gap:13px;border-top:1px solid #e4e7eb}.send-button{background:#0b57d0;border:0;border-radius:20px;height:38px;color:white;padding:0 21px;font-size:14px;font-weight:600}.send-button:hover{background:#0848ae}.send-button span{margin-left:14px}.attach-button{display:flex;align-items:center;gap:6px;color:#4e5965;font-size:14px;cursor:pointer}.attach-button span{font-size:23px;transform:rotate(-30deg)}.compose-hint{font-size:12px;color:#8a9096;margin-left:auto}.discard-button{font-size:19px}.toast{position:fixed;z-index:40;bottom:24px;left:50%;transform:translateX(-50%);background:#32363d;color:#fff;border-radius:5px;padding:12px 18px;box-shadow:0 4px 14px #0003;font-size:14px;min-width:180px;text-align:center}.mobile-compose{display:none}.empty-state{padding:70px 24px;text-align:center;color:#737b84;font-size:14px}.detail-view{padding:18px 30px}.detail-actions{display:flex;gap:10px;align-items:center;margin-bottom:22px}.detail-actions button{border:0;background:#f2f5f9;color:#44505d;padding:8px 12px;border-radius:18px;font-size:14px}.detail-subject{font-size:25px;font-weight:500;margin:0 0 24px}.detail-meta{display:flex;align-items:center;gap:12px;border-bottom:1px solid #edf0f2;padding-bottom:20px}.detail-avatar{width:38px;height:38px;border-radius:50%;background:#d6e4f7;display:grid;place-items:center;color:#285b9b}.detail-meta-text{min-width:0;flex:1;font-size:14px}.detail-meta-text strong,.detail-meta-text span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.detail-meta-text span{font-size:12px;color:#7b8289;margin-top:4px}.detail-date{font-size:12px;color:#777e86}.detail-body{white-space:pre-wrap;line-height:1.65;margin:26px 0;max-width:760px}.detail-attachments{display:flex;gap:8px;flex-wrap:wrap;font-size:13px;color:#536171}@media(max-width:850px){.topbar{padding:0 12px;gap:10px}.search-box{margin-left:8px}.workspace{grid-template-columns:210px minmax(0,1fr)}.mail-row{grid-template-columns:26px 120px minmax(0,1fr) 65px;gap:8px;padding:0 12px}.mail-panel{margin-right:8px}}@media(max-width:680px){.topbar{height:60px}.brand-logo{width:104px;height:28px}.search-box{height:42px;margin-left:0;padding:0 10px}.search-box input{font-size:14px}.demo-badge{display:none}.workspace{display:block;min-height:calc(100vh - 60px)}.sidebar{position:fixed;z-index:15;top:60px;bottom:0;left:0;width:240px;background:#f6f8fc;box-shadow:8px 0 20px #0002;transform:translateX(-110%);transition:transform .2s}.sidebar.open{transform:translateX(0)}.mail-panel{margin:0;border-radius:0;min-height:calc(100vh - 60px)}.list-heading{padding:20px 16px;min-height:80px}.list-toolbar{padding:0 16px}.mail-row{grid-template-columns:25px minmax(0,1fr) 54px;grid-template-rows:22px 22px;column-gap:10px;min-height:65px;padding:7px 16px}.star-button{grid-row:1/3}.sender{grid-column:2;grid-row:1}.mail-line{grid-column:2;grid-row:2}.mail-line strong{font-weight:500}.mail-line span{display:none}.mail-row time{grid-column:3;grid-row:1}.compose-panel{right:0;left:0;top:0;bottom:0;width:100vw;height:100dvh;border-radius:0}.compose-hint{display:none}.mobile-compose{display:flex;position:fixed;right:16px;bottom:18px;z-index:10;border:0;background:#d3e3fd;color:#173963;border-radius:16px;padding:13px 18px;gap:8px;align-items:center;box-shadow:0 3px 12px #0002;font-size:14px;font-weight:600}.detail-view{padding:18px}.detail-subject{font-size:21px}.detail-date{display:none}}
:root{color-scheme:light}
@media(max-width:680px){.mobile-compose{bottom:calc(18px + env(safe-area-inset-bottom))}.compose-footer{height:calc(64px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom)}}
.send-button.loading{cursor:wait;opacity:.85}.send-button.loading::before{content:"";display:inline-block;width:12px;height:12px;margin-right:7px;border:2px solid #ffffff70;border-top-color:#fff;border-radius:50%;vertical-align:-2px;animation:send-spin .7s linear infinite}@keyframes send-spin{to{transform:rotate(360deg)}}