:root{--blue:#0b57d0;--blue2:#1a73e8;--ink:#172033;--muted:#667085;--line:#e5e9f0;--soft:#f6f8fc;--hover:#eef4ff;--shadow:0 18px 60px rgba(17,24,39,.14)}*{box-sizing:border-box}html,body{margin:0;height:100%;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:#fff}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.icon{width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center}.topbar{height:72px;display:grid;grid-template-columns:260px minmax(320px,720px) 1fr;align-items:center;gap:22px;padding:0 22px;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);z-index:20}.brand{font-size:23px;font-weight:800;letter-spacing:-.7px}.brand b{color:var(--blue2)}.brand small{font-size:13px;font-weight:500;color:var(--muted);margin-left:8px}.search{height:46px;background:#f1f4f8;border:1px solid transparent;border-radius:13px;display:flex;align-items:center;padding:0 16px;gap:11px}.search:focus-within{background:#fff;border-color:#d4def0;box-shadow:0 2px 12px #dfe7f5}.search input{border:0;outline:0;background:transparent;width:100%;font-size:15px}.account{justify-self:end;display:flex;align-items:center;gap:10px}.circlebtn{width:40px;height:40px;border:0;background:transparent;border-radius:50%;cursor:pointer}.circlebtn:hover{background:#f0f3f8}.avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#5f9cf1,#0b57d0);color:#fff;font-weight:700}.accountdetails{font-size:14px}.accountdetails small{display:block;color:var(--muted);margin-top:2px}.shell{display:grid;grid-template-columns:260px minmax(350px,470px) minmax(420px,1fr);height:calc(100vh - 72px);overflow:hidden}.sidebar{padding:18px 14px;border-right:1px solid var(--line);background:#fbfcfe;overflow:auto}.composebtn{height:50px;background:linear-gradient(135deg,#1769e8,#3b82f6);color:#fff;border-radius:14px;display:flex;align-items:center;justify-content:center;gap:10px;font-weight:700;box-shadow:0 8px 20px rgba(26,115,232,.18);margin:4px 4px 20px}.navitem{height:42px;border-radius:11px;display:flex;align-items:center;gap:12px;padding:0 14px;margin:2px 0;font-size:14px}.navitem:hover{background:#f0f4fa}.navitem.active{background:#e7f0fe;color:#0b57d0;font-weight:700}.navitem .count{margin-left:auto;background:#d8e8ff;border-radius:999px;padding:2px 8px;font-size:12px}.side-title{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:#98a2b3;font-weight:800;margin:24px 14px 8px}.storage{margin:24px 12px 0;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.bar{height:5px;background:#e7ebf2;border-radius:8px;margin:10px 0;overflow:hidden}.bar i{display:block;width:4%;height:100%;background:#2f80ed}.listpane{border-right:1px solid var(--line);overflow:auto;background:#fff}.listhead{height:58px;position:sticky;top:0;background:#fff;z-index:3;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 18px;gap:12px}.listhead h2{font-size:17px;margin:0}.listhead .spacer{flex:1}.mailrow{display:grid;grid-template-columns:34px 1fr auto;gap:9px;padding:15px 16px;border-bottom:1px solid #edf0f4;min-height:88px}.mailrow:hover{background:#f8fbff}.mailrow.selected{background:#eaf2ff}.mailrow.unread .sender,.mailrow.unread .subject{font-weight:750}.sender{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.subject{font-size:14px;margin-top:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.preview{font-size:13px;color:var(--muted);margin-top:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:310px}.time{font-size:12px;color:var(--muted);white-space:nowrap}.empty{padding:60px 24px;text-align:center;color:var(--muted)}.reader{overflow:auto;background:#fff}.reader-empty{height:100%;display:grid;place-items:center;color:#98a2b3;text-align:center}.readtoolbar{height:58px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:6px;padding:0 20px;position:sticky;top:0;background:#fff;z-index:3}.toolbtn{border:0;background:transparent;border-radius:9px;padding:9px 11px;cursor:pointer;color:#344054}.toolbtn:hover{background:#f2f4f7}.messageview{padding:28px 34px 70px;max-width:1000px}.messageview h1{font-size:25px;letter-spacing:-.5px;margin:0 0 24px}.fromline{display:flex;align-items:center;gap:12px}.frommeta{min-width:0}.frommeta b{font-size:15px}.frommeta div{font-size:12px;color:var(--muted);margin-top:3px}.msgdate{margin-left:auto;color:var(--muted);font-size:12px}.mailbody{font-size:15px;line-height:1.75;margin-top:30px;color:#202939;overflow-wrap:anywhere}.mailbody a{color:#0b57d0;text-decoration:underline}.replybar{display:flex;gap:10px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}.outlinebtn{border:1px solid #d6dce5;background:#fff;border-radius:10px;padding:10px 16px;cursor:pointer}.outlinebtn:hover{background:#f7f9fc}.dropdown{position:relative}.dropmenu{display:none;position:absolute;right:0;top:48px;width:235px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;padding:8px;z-index:50}.dropdown.open .dropmenu{display:block}.dropmenu a{display:flex;padding:11px 12px;border-radius:9px;font-size:14px}.dropmenu a:hover{background:#f1f5fb}.adminbadge{display:inline-block;font-size:11px;background:#edf3ff;color:#175cd3;border-radius:999px;padding:4px 8px;margin:4px 8px 8px}.login{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 20% 10%,#e8f1ff,transparent 35%),#f7f9fc}.login-card{width:min(420px,92vw);background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:var(--shadow)}.login-card h1{margin:0 0 6px}.login-card p{color:var(--muted)}.field{margin:15px 0}.field label{display:block;font-size:13px;font-weight:700;margin-bottom:7px}.field input,.field textarea,.field select{width:100%;border:1px solid #d0d5dd;border-radius:10px;padding:11px 12px;outline:none}.primary{border:0;background:#1769e8;color:#fff;border-radius:10px;padding:11px 18px;font-weight:700;cursor:pointer}.primary:hover{background:#0b57d0}.compose-page{background:#f4f7fb;min-height:100vh;padding:30px}.compose-card{max-width:900px;margin:auto;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}.compose-title{height:52px;background:#f7f9fc;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 18px;font-weight:750}.compose-title a{margin-left:auto;color:#667085}.compose-fields{padding:0 22px}.addressrow{display:flex;align-items:center;min-height:50px;border-bottom:1px solid var(--line);gap:10px}.addressrow label{width:54px;color:#667085;font-size:13px}.addressrow input{flex:1;border:0;outline:0;padding:13px 0}.addressrow .cc{font-size:12px;color:#475467;cursor:pointer}.subjectrow input{width:100%;border:0;border-bottom:1px solid var(--line);outline:0;padding:15px 0;font-weight:600}.editorbar{display:flex;align-items:center;gap:4px;padding:9px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}.editorbar button{border:0;background:transparent;border-radius:6px;padding:7px 9px;cursor:pointer}.editorbar button:hover{background:#f1f4f8}.editor{min-height:340px;padding:18px 2px;outline:none;line-height:1.6}.compose-foot{border-top:1px solid var(--line);padding:12px 22px;display:flex;align-items:center;gap:9px}.sendbtn{background:#0b57d0;color:#fff;border:0;border-radius:10px;padding:11px 24px;font-weight:700;cursor:pointer}.attach{cursor:pointer;padding:9px;border-radius:8px}.attach:hover{background:#f2f4f7}.filelist{font-size:12px;color:#667085;flex:1}.adminwrap{min-height:100vh;background:#f5f7fb;padding:28px}.adminbox{max-width:1100px;margin:auto}.adminhead{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.admincard{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;margin-bottom:16px}.admincard table{width:100%;border-collapse:collapse}.admincard th,.admincard td{text-align:left;padding:12px;border-bottom:1px solid var(--line);font-size:13px}.editgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.passwordline{display:flex;gap:8px}.passwordline input{flex:1}.mini{border:1px solid #d0d5dd;background:#fff;border-radius:9px;padding:9px 12px;cursor:pointer}@media(max-width:1100px){.shell{grid-template-columns:220px 380px 1fr}.topbar{grid-template-columns:220px 1fr auto}.accountdetails{display:none}}@media(max-width:820px){.topbar{grid-template-columns:1fr auto}.search{display:none}.shell{grid-template-columns:78px 1fr}.sidebar{padding:14px 8px}.sidebar .label,.side-title,.storage,.brand small{display:none}.composebtn{font-size:0}.composebtn:after{content:'+';font-size:24px}.navitem{justify-content:center;padding:0}.navitem .count{display:none}.reader{display:none}.listpane{border-right:0}.brand{font-size:20px}.messageview{padding:20px}.compose-page{padding:0}.compose-card{min-height:100vh;border:0;border-radius:0}.editgrid{grid-template-columns:1fr}}
/* v7 premium shell */
:root{--accent:#2563eb;--accent2:#4f8cff;--navy:#0b1739;--muted:#667085;--line:#e6ebf2;--panel:#fff;--canvas:#f5f7fb;--soft:#eef4ff;--shadow:0 12px 34px rgba(15,23,42,.08)}
body{background:var(--canvas)}.topbar{height:72px;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);padding:0 22px;box-shadow:0 1px 0 rgba(15,23,42,.02)}
.brand{font-size:23px;letter-spacing:-.7px}.brand b{color:var(--accent)}.search{max-width:620px;border:1px solid transparent;background:#f1f5f9;border-radius:14px;height:46px}.search:focus-within{background:#fff;border-color:#b9cdfb;box-shadow:0 0 0 4px rgba(37,99,235,.08)}
.shell{height:calc(100vh - 72px);gap:0}.sidebar{background:#f8faff;border-right:1px solid var(--line);padding:18px 12px 14px;width:248px}.composebtn{height:48px;border-radius:13px;background:linear-gradient(135deg,#2563eb,#438cff);box-shadow:0 8px 18px rgba(37,99,235,.22);font-weight:700}.navitem{border-radius:11px;margin:3px 0;padding:11px 13px}.navitem.active{background:#e7f0ff;color:#174ea6;font-weight:700}.navitem:hover{background:#edf2f8}.count{background:#dbeafe;color:#1d4ed8;padding:2px 8px;border-radius:999px}.sidebar-bottom{margin-top:auto}.storage{background:#fff;border:1px solid var(--line);border-radius:14px;padding:13px;box-shadow:0 5px 16px rgba(15,23,42,.04)}
.listpane{width:420px;background:#fff;border-right:1px solid var(--line)}.listhead{height:62px;padding:0 18px;border-bottom:1px solid var(--line)}.mailrow{min-height:96px;padding:15px 14px;gap:11px;border-bottom:1px solid #edf0f4}.mailrow:hover{background:#f8fbff}.mailrow.selected{background:linear-gradient(90deg,#e8f2ff,#f6faff);box-shadow:inset 3px 0 var(--accent)}.mailrow.unread .sender,.mailrow.unread .subject{font-weight:800}.preview{color:#7a8699}.reader{background:#fff}.readtoolbar{height:62px;border-bottom:1px solid var(--line);padding:0 22px}.messageview{max-width:900px;padding:28px 34px}.messageview h1{font-size:26px;letter-spacing:-.45px}.fromline{background:#f8fafc;border:1px solid #edf0f4;border-radius:14px;padding:12px 14px}.mailbody{font-size:15.5px;line-height:1.72}.toolbtn,.outlinebtn{border-radius:10px}.circlebtn{display:grid;place-items:center;text-decoration:none;color:inherit}.dropmenu{border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:7px}.dropmenu a{border-radius:9px}
/* Settings */
.settings-page{margin:0;background:#f6f8fc;color:#172033}.premium-top{height:70px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px}.premium-brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--navy);font-size:21px;font-weight:800}.premium-brand>span:nth-child(2)>span{color:var(--accent)}.premium-brand small{font-size:13px;color:#667085;font-weight:500}.brandmark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#1d4ed8,#60a5fa);display:grid;place-items:center;color:#fff}.settings-close{text-decoration:none;font-size:32px;color:#667085}.settings-layout{max-width:1180px;margin:26px auto;display:grid;grid-template-columns:250px 1fr;gap:24px}.settings-nav,.settings-content{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.settings-nav{padding:18px;height:max-content}.settings-nav h2{margin:4px 10px 16px}.settings-tab{width:100%;border:0;background:transparent;text-align:left;padding:12px 13px;border-radius:10px;font-weight:650;color:#475467;cursor:pointer}.settings-tab.active,.settings-tab:hover{background:#edf4ff;color:#174ea6}.settings-content{padding:32px}.settings-panel{display:none}.settings-panel.active{display:block}.settings-panel h1{margin:0;font-size:28px}.muted{color:#667085}.setting-card{display:flex;align-items:center;justify-content:space-between;padding:18px 0;border-bottom:1px solid var(--line)}.setting-card p{margin:5px 0 0;color:#667085;font-size:13px}.switch input{display:none}.switch span{display:block;width:44px;height:24px;background:#cbd5e1;border-radius:999px;position:relative;cursor:pointer}.switch span:after{content:'';width:18px;height:18px;background:#fff;border-radius:50%;position:absolute;top:3px;left:3px;box-shadow:0 1px 3px #64748b;transition:.2s}.switch input:checked+span{background:#2563eb}.switch input:checked+span:after{left:23px}.setting-block{margin-top:28px}.choice-row,.layout-choices{display:flex;gap:12px;margin-top:12px;flex-wrap:wrap}.choice,.layout-choice{border:1px solid var(--line);background:#fff;border-radius:12px;padding:12px 18px;cursor:pointer}.choice.selected,.layout-choice.selected{border-color:#2563eb;background:#eff6ff;color:#1d4ed8}.layout-choice{min-width:145px;display:flex;flex-direction:column;gap:10px;align-items:center}.layout-icon{width:96px;height:58px;border:2px solid #d7deea;border-radius:6px;position:relative;background:#f8fafc}.layout-icon.right:after{content:'';position:absolute;right:0;top:0;width:40%;height:100%;border-left:2px solid #d7deea;background:#eef4ff}.layout-icon.bottom:after{content:'';position:absolute;bottom:0;left:0;width:100%;height:40%;border-top:2px solid #d7deea;background:#eef4ff}.account-form{max-width:600px;margin-top:24px}.account-form label{display:block;font-weight:650;margin:16px 0}.account-form input{display:block;width:100%;box-sizing:border-box;margin-top:7px;padding:12px 13px;border:1px solid #d7deea;border-radius:10px}.notice{padding:12px 14px;background:#ecfdf3;border:1px solid #abefc6;border-radius:10px;margin-bottom:18px}.passwordline{display:flex;gap:8px}.passwordline button{margin-top:7px;border:1px solid #d7deea;background:#fff;border-radius:10px;padding:0 14px}
body.theme-dark{--canvas:#0b1220;--panel:#111827;--line:#273244;--muted:#94a3b8;background:#0b1220;color:#e5e7eb}body.theme-dark .topbar,body.theme-dark .listpane,body.theme-dark .reader,body.theme-dark .settings-nav,body.theme-dark .settings-content,body.theme-dark .premium-top{background:#111827;color:#e5e7eb}body.theme-dark .sidebar{background:#0f172a}body.theme-dark .mailrow:hover{background:#172033}body.theme-dark .mailrow.selected{background:#172554}body.density-compact .mailrow{min-height:68px;padding-top:9px;padding-bottom:9px}body.pane-hidden .reader{display:none}body.pane-hidden .listpane{width:auto;flex:1}body.pane-bottom .shell{grid-template-columns:248px 1fr;grid-template-rows:45% 55%}body.pane-bottom .sidebar{grid-row:1/3}body.pane-bottom .listpane{width:auto;border-right:0;border-bottom:1px solid var(--line)}body.pane-bottom .reader{grid-column:2}
@media(max-width:900px){.settings-layout{grid-template-columns:1fr;margin:12px}.settings-nav{display:flex;overflow:auto;gap:5px}.settings-nav h2{display:none}.settings-tab{width:auto;white-space:nowrap}.settings-content{padding:22px}}
.navsection{font-size:10px;font-weight:800;letter-spacing:.12em;color:#98a2b3;padding:18px 16px 7px}.collabnav{margin-top:10px;border-top:1px solid #e8edf4;padding-top:3px}