:root{color-scheme:dark;--bg:#0b0b0b;--surface:#111;--surface-2:#151515;--surface-3:#1b1b1b;--line:#272727;--line-soft:#1d1d1d;--text:#fff;--muted:#888;--muted-light:#b7b7b7;--blue:#2563eb;--blue-hover:#3472f4;--blue-soft:rgba(37,99,235,.12);--danger:#ef5350;--good:#34c78a;--shadow:0 24px 80px rgba(0,0,0,.5);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%}body{background:var(--bg);color:var(--text);overflow:hidden}button,input,textarea{font:inherit}button{color:inherit}.icon-sprite{position:absolute;width:0;height:0;overflow:hidden}.icon-button svg,.primary-button svg,.compose-button svg,.reader-tools svg,.profile-button svg,.profile-menu svg,.recipient-toggle svg,.search-wrap>svg,.empty-state>svg,.reader-symbol svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;font-size:15px;font-weight:700}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:10px;background:#fff;color:#0b0b0b;font-size:12px;font-weight:900;letter-spacing:-.04em}.brand-mark.small{width:36px;height:36px;border-radius:8px;font-size:10px}.section-label,.menu-label{color:#5d88f2;font-size:10px;font-weight:800;letter-spacing:.2em}.login-page{min-height:100vh;display:grid;grid-template-columns:minmax(440px,46%) 1fr;background:var(--bg)}.login-brand-panel{position:relative;display:flex;flex-direction:column;justify-content:space-between;min-height:100vh;padding:48px clamp(40px,6vw,96px);border-right:1px solid var(--line-soft);overflow:hidden}.login-brand-panel:before{content:"";position:absolute;inset:0;background:linear-gradient(rgba(255,255,255,.025) 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40px;color:var(--muted);line-height:1.6}.login-card label{display:block;margin:20px 0 9px;color:#aaa;font-size:12px;font-weight:650}.login-card input,.compose-modal input,.compose-modal textarea{width:100%;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:8px;outline:none;padding:14px 15px;transition:border-color .18s,box-shadow .18s}.login-card input:focus,.compose-modal input:focus,.compose-modal textarea:focus{border-color:#3f70e4;box-shadow:0 0 0 3px rgba(37,99,235,.12)}.password-wrap{position:relative}.password-wrap input{padding-right:52px}.password-wrap .icon-button{position:absolute;right:7px;top:7px}.icon-button{display:inline-grid;place-items:center;width:36px;height:36px;padding:0;border:0;border-radius:8px;background:transparent;color:var(--muted);cursor:pointer}.icon-button:hover{background:var(--surface-3);color:#fff}.primary-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:44px;padding:0 18px;border:0;border-radius:8px;background:var(--blue);color:#fff;font-weight:750;cursor:pointer;box-shadow:0 8px 30px rgba(37,99,235,.18)}.primary-button:hover{background:var(--blue-hover)}.primary-button:disabled{opacity:.5;cursor:wait}.primary-button svg{width:17px;height:17px}.login-submit svg{transform:rotate(180deg)}.wide{width:100%;margin-top:28px}.form-error{margin-top:14px;padding:12px 14px;border:1px solid rgba(239,83,80,.28);background:rgba(239,83,80,.08);border-radius:8px;color:#ff8c89;font-size:12px}.privacy-note{margin:24px 0 0;text-align:center;color:#5e5e5e;font-size:10px;line-height:1.6}.mail-shell{height:100vh;display:grid;grid-template-columns:254px 390px minmax(420px,1fr);grid-template-rows:72px 1fr;grid-template-areas:"top top top" "side list reader"}.topbar{grid-area:top;z-index:6;display:flex;align-items:center;gap:20px;padding:0 22px;border-bottom:1px solid var(--line);background:rgba(11,11,11,.94);backdrop-filter:blur(18px)}.topbar .brand 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svg{width:16px;height:16px}.sidebar{grid-area:side;display:flex;flex-direction:column;padding:20px 14px;border-right:1px solid var(--line);background:#0e0e0e}.compose-button{display:flex;align-items:center;justify-content:center;gap:9px;height:46px;margin:0 5px 21px;border:0;border-radius:8px;background:#fff;color:#111;font-weight:800;cursor:pointer}.compose-button:hover{background:#e5e5e5}.compose-button svg{width:18px;height:18px}.mailbox-button{display:flex;align-items:center;gap:12px;width:100%;height:43px;padding:0 12px;border:0;border-radius:8px;background:transparent;color:#777;text-align:left;cursor:pointer}.mailbox-button:hover{background:#161616;color:#bbb}.mailbox-button.active{background:var(--blue-soft);color:#78a0ff}.mailbox-button .folder-icon{display:grid;place-items:center;width:21px}.mailbox-button .folder-icon svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.mailbox-button .folder-count{margin-left:auto;padding:2px 6px;border-radius:5px;background:#222;font-size:10px}.mailbox-button.active .folder-count{background:rgba(37,99,235,.22)}.mailbox-separator{height:1px;margin:13px 11px;background:var(--line-soft)}.sidebar-footer{margin-top:auto;padding:13px}.storage-copy{display:flex;justify-content:space-between;color:#9a9a9a;font-size:11px}.progress{height:4px;margin:10px 0 7px;overflow:hidden;border-radius:10px;background:#242424}.progress i{display:block;width:0;height:100%;border-radius:10px;background:var(--blue)}.sidebar-footer small{color:#5f5f5f;font-size:9px}.message-list-panel{grid-area:list;position:relative;overflow-y:auto;border-right:1px solid var(--line);background:var(--surface)}.list-header{position:sticky;top:0;z-index:2;display:flex;align-items:flex-end;justify-content:space-between;height:112px;padding:25px 22px 17px;border-bottom:1px solid var(--line);background:rgba(17,17,17,.94);backdrop-filter:blur(16px)}.list-header h1{margin:6px 0 0;font-size:25px;letter-spacing:-.035em}.list-actions{display:flex}.message-item{position:relative;display:grid;grid-template-columns:24px 1fr;gap:10px;padding:18px 17px;border-bottom:1px solid var(--line-soft);cursor:pointer}.message-item:hover{background:#171717}.message-item.active{background:var(--blue-soft)}.message-item.unread:after{content:"";position:absolute;left:0;top:20px;width:3px;height:28px;border-radius:0 3px 3px 0;background:var(--blue)}.message-check{appearance:none;width:15px;height:15px;margin:3px 0;padding:0;border:1px solid #444;border-radius:4px;background:transparent;cursor:pointer}.message-check:checked{border-color:var(--blue);background:var(--blue);box-shadow:inset 0 0 0 3px var(--surface)}.message-meta{min-width:0}.message-line{display:flex;align-items:center;gap:10px}.message-from,.message-subject{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.message-from{flex:1;color:#c9c9c9;font-size:13px;font-weight:650}.message-time{color:#666;font-size:10px}.message-subject{margin:7px 0 5px;color:#aaa;font-size:12px}.message-preview{display:-webkit-box;overflow:hidden;color:#666;font-size:11px;line-height:1.5;-webkit-box-orient:vertical;-webkit-line-clamp:2}.message-item.unread .message-from,.message-item.unread .message-subject{color:#fff;font-weight:800}.empty-state,.reader-placeholder{position:absolute;inset:112px 0 0;display:grid;place-content:center;padding:32px;text-align:center;color:#666}.empty-state>svg,.reader-symbol svg{width:38px;height:38px;margin:auto;color:#444;fill:none;stroke:currentColor;stroke-width:1.4}.empty-state h2,.reader-placeholder h2{margin:16px 0 5px;color:#ddd;font-size:17px}.empty-state p,.reader-placeholder 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10px;border:0;border-radius:7px;background:transparent;color:#777;font-size:11px;cursor:pointer}.reader-tools button:hover{background:#1a1a1a;color:#fff}.reader-tools svg{width:16px;height:16px}.danger{color:var(--danger)!important}.message-head{padding:38px 7% 26px;border-bottom:1px solid var(--line)}.message-head h1{margin:11px 0 30px;font-size:clamp(26px,3vw,40px);line-height:1.18;letter-spacing:-.045em}.sender-row{display:flex;align-items:center;gap:12px}.sender-avatar{width:40px;height:40px;border-radius:9px}.sender-row>div:nth-child(2){min-width:0}.sender-row strong{display:block;font-size:13px}.sender-row time{margin-left:auto;color:#666;font-size:10px;white-space:nowrap}.recipient-toggle{display:flex;align-items:center;gap:3px;padding:4px 0;border:0;background:transparent;color:#666;font-size:10px;cursor:pointer}.recipient-toggle svg{width:12px;height:12px}.recipient-details{color:#777;font-size:10px;line-height:1.65}.reader-body{padding:36px 7% 80px;color:#d0d0d0;font-size:14px;line-height:1.75;overflow-wrap:anywhere}.reader-body iframe{width:100%;min-height:480px;border:0;border-radius:8px;background:#fff}.attachments{display:flex;flex-wrap:wrap;gap:8px;padding:20px 7% 0}.attachment{display:flex;align-items:center;gap:7px;padding:9px 12px;border:1px solid var(--line);border-radius:8px;background:#161616;color:#aaa;font-size:11px;cursor:pointer}.attachment svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.modal-backdrop{position:fixed;inset:0;z-index:40;display:grid;place-items:center;padding:22px;background:rgba(0,0,0,.78);backdrop-filter:blur(8px)}.compose-modal{display:flex;flex-direction:column;width:min(780px,100%);height:min(700px,92vh);overflow:hidden;border:1px solid #2a2a2a;border-radius:16px;background:#111;box-shadow:var(--shadow)}.compose-modal>header{display:flex;align-items:center;justify-content:space-between;padding:21px 24px;border-bottom:1px solid var(--line)}.compose-modal h2{margin:5px 0 0;font-size:21px}.compose-modal form{display:flex;flex:1;flex-direction:column}.compose-line{display:grid;grid-template-columns:60px 1fr auto;align-items:center;padding:0 23px;border-bottom:1px solid var(--line)}.compose-line label{margin:0;color:#777;font-size:11px}.compose-line input{padding:16px 0;border:0;border-radius:0;background:transparent;box-shadow:none}.compose-line button{border:0;background:transparent;color:#777;font-size:11px;cursor:pointer}.compose-modal textarea{flex:1;padding:24px;border:0;border-radius:0;background:transparent;box-shadow:none;line-height:1.7;resize:none}.compose-modal footer{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-top:1px solid var(--line)}.compose-modal footer>span{color:#666;font-size:10px}.toast{position:fixed;z-index:100;top:18px;left:50%;padding:12px 17px;border:1px solid #333;border-radius:8px;background:#f4f4f4;color:#111;font-size:12px;font-weight:700;box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translate(-50%,-20px);transition:.22s}.toast.show{opacity:1;transform:translate(-50%,0)}[hidden]{display:none!important}.mobile-only{display:none}
@media(max-width:1080px){.mail-shell{grid-template-columns:220px 350px minmax(360px,1fr)}.desktop-only{display:none}.reader-tools span{display:none}.reader-tools button{padding:8px}}
@media(max-width:760px){body{overflow:auto}.login-page{display:block}.login-brand-panel{display:none}.login-form-panel{min-height:100vh;padding:28px}.mobile-brand{display:flex;margin-bottom:62px}.login-card h2{font-size:34px}.mail-shell{grid-template-columns:1fr;grid-template-rows:60px 1fr;grid-template-areas:"top" "list"}.topbar{padding:0 12px;gap:9px}.topbar .brand>span:last-child{display:none}.search-wrap{flex:1;width:auto;margin:0}.search-wrap kbd{display:none}.sidebar{position:fixed;z-index:12;top:60px;bottom:0;left:0;width:270px;box-shadow:var(--shadow);transform:translateX(-100%);transition:.22s}.sidebar.open{transform:none}.message-list-panel{border-right:0}.reader{position:fixed;z-index:10;inset:60px 0 0;transform:translateX(100%);transition:.22s}.reader.open{transform:none}.mobile-only{display:inline-grid}.list-header{height:98px}.reader-toolbar{justify-content:space-between}.message-head,.reader-body{padding-right:22px;padding-left:22px}.attachments{padding-right:22px;padding-left:22px}.modal-backdrop{align-items:end;padding:0}.compose-modal{height:94vh;border-radius:16px 16px 0 0}.compose-line{padding:0 15px}}