:root{--bg:#f3f5f8;--surface:#fff;--surface2:#f8fafc;--text:#111827;--muted:#6b7280;--line:#e5e7eb;--dark:#0f172a;--dark2:#1e293b;--accent:#2563eb;--green:#15803d;--greenbg:#dcfce7;--red:#b91c1c;--redbg:#fef2f2;--amber:#b45309;--amberbg:#fff7ed;--shadow:0 12px 35px rgba(15,23,42,.08)}
*{box-sizing:border-box}html{background:var(--bg)}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Tahoma,sans-serif;color:var(--text);background:var(--bg);font-size:15px}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}button{cursor:pointer}.app-body{min-height:100vh}.app-shell{display:flex;min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:238px;background:var(--dark);color:#fff;padding:18px 14px;display:flex;flex-direction:column;z-index:30}.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 22px}.brand-mark{width:38px;height:38px;border-radius:11px;background:#fff;color:var(--dark);display:grid;place-items:center;font-weight:900;font-size:20px;box-shadow:0 8px 20px rgba(0,0,0,.12)}.brand-mark.small{width:32px;height:32px;border-radius:9px;font-size:17px}.brand b{display:block;font-size:18px}.brand small{display:block;font-size:10px;letter-spacing:.14em;color:#94a3b8;margin-top:1px}.compose-primary{display:block;background:#fff;color:var(--dark);border-radius:12px;padding:12px 14px;font-weight:800;margin:0 4px 14px}.side-nav{display:flex;flex-direction:column;gap:4px}.side-nav a{display:flex;align-items:center;gap:11px;color:#cbd5e1;padding:10px 11px;border-radius:10px;font-weight:600}.side-nav a:hover{background:rgba(255,255,255,.06);color:#fff}.side-nav a.active{background:#1e293b;color:#fff}.nav-icon{width:23px;text-align:center;font-size:18px}.side-user{margin-top:auto;border-top:1px solid #26354a;padding:16px 7px 4px;display:flex;gap:10px;align-items:center}.user-dot{width:34px;height:34px;border-radius:50%;background:#334155;display:grid;place-items:center;font-weight:800}.side-user b{display:block;max-width:145px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.side-user a{font-size:12px;color:#94a3b8}.app-main{margin-left:238px;min-width:0;flex:1}.mobile-top{display:none}.content-head{max-width:1160px;margin:0 auto;padding:28px 28px 8px}.content-head h1{margin:0;font-size:27px;letter-spacing:-.02em}.content-head p{margin:6px 0 0;color:var(--muted);font-size:13px}.content-wrap{max-width:1160px;margin:0 auto;padding:16px 28px 56px}.bottom-nav,.mobile-fab{display:none}
.button,button.button,.send-button,.search-button{border:0;border-radius:10px;background:var(--dark);color:#fff;padding:10px 14px;font-weight:750;display:inline-flex;align-items:center;justify-content:center;gap:7px}.button:hover,.send-button:hover{filter:brightness(1.04)}.button.secondary{background:#fff;color:var(--text);border:1px solid var(--line)}.button.danger{background:var(--red)}.button.small{padding:7px 10px;font-size:13px}.notice{border-radius:12px;padding:12px 14px;margin:0 0 14px;display:flex;gap:8px;align-items:flex-start;border:1px solid}.notice b{white-space:nowrap}.notice span{color:inherit;opacity:.88}.notice.success{background:#f0fdf4;border-color:#bbf7d0;color:#166534}.notice.error{background:var(--redbg);border-color:#fecaca;color:#991b1b}.info-note{border:1px solid #dbeafe;background:#eff6ff;border-radius:12px;padding:12px 14px;display:flex;gap:10px;color:#1e40af;font-size:13px}.muted{color:var(--muted);font-size:13px}.badge{font-size:11px;padding:5px 8px;border-radius:999px;background:#eef2ff;color:#3730a3;white-space:nowrap}.badge.green{background:var(--greenbg);color:#166534}.badge.neutral{background:#f1f5f9;color:#64748b}.account-pill{display:inline-flex;align-items:center;background:#f1f5f9;color:#475569;border:1px solid #e2e8f0;border-radius:999px;padding:5px 9px;font-size:12px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.global-busy{position:fixed;top:14px;left:50%;transform:translate(-50%,-20px);z-index:1000;background:#0f172a;color:#fff;padding:10px 14px;border-radius:999px;box-shadow:var(--shadow);display:flex;align-items:center;gap:9px;opacity:0;pointer-events:none;transition:.18s}.global-busy.show{opacity:1;transform:translate(-50%,0)}.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.status-dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:#94a3b8;flex:none}.status-dot.ok{background:#22c55e}.status-dot.waiting{background:#f59e0b}.status-dot.syncing{background:#3b82f6;box-shadow:0 0 0 4px #dbeafe}.status-dot.error{background:#ef4444}
.mail-toolbar-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:12px;box-shadow:0 1px 2px rgba(15,23,42,.02);margin-bottom:14px}.mail-search{display:grid;grid-template-columns:190px 1fr auto auto;gap:8px;align-items:center}.mail-search select,.mail-search input,.field input,.field select,.field textarea{width:100%;border:1px solid #d7dce3;background:#fff;border-radius:10px;padding:10px 11px;color:var(--text);outline:none}.mail-search select:focus,.mail-search input:focus,.field input:focus,.field select:focus,.field textarea:focus{border-color:#93c5fd;box-shadow:0 0 0 3px #dbeafe}.search-input{position:relative}.search-input span{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:#94a3b8;font-size:18px}.search-input input{padding-left:34px}.search-button{height:41px}.clear-search{padding:10px;color:var(--muted);font-size:13px}.sync-strip{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #eef2f7;margin-top:10px;padding-top:10px}.sync-copy{display:flex;align-items:center;gap:10px}.sync-copy b,.sync-copy small{display:block}.sync-copy small{color:var(--muted);font-size:12px;margin-top:2px}.mail-summary{display:flex;justify-content:space-between;align-items:center;margin:10px 3px}.mail-summary>div{display:flex;align-items:baseline;gap:6px}.mail-summary b{font-size:19px}.mail-summary span{color:var(--muted);font-size:12px}.mail-list{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden}.modern-list{box-shadow:0 1px 2px rgba(15,23,42,.02)}.mail-row{display:flex;gap:12px;padding:12px 14px;border-bottom:1px solid #eef1f5;align-items:center;transition:.12s}.mail-row:last-child{border-bottom:0}.mail-row:hover{background:#f8fafc}.mail-row.unread{background:#f7fbff}.mail-row.unread .mail-top strong,.mail-row.unread .subject-line{font-weight:800}.mail-icon{width:40px;height:40px;min-width:40px;border-radius:11px;background:#eef2f7;color:#334155;display:grid;place-items:center;font-weight:800}.mail-icon.large{width:48px;height:48px;min-width:48px;border-radius:14px}.mail-icon.draft{background:#fff7ed;color:#c2410c}.mail-icon.ms{background:#eff6ff;color:#1d4ed8}.mail-main{min-width:0;flex:1}.mail-top{display:flex;justify-content:space-between;gap:12px}.mail-top strong,.subject-line,.snippet{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mail-top strong{font-size:14px}.mail-top time{font-size:11px;color:#94a3b8;white-space:nowrap}.subject-line{font-weight:650;margin-top:2px}.snippet{font-size:12px;color:#7c8797;margin-top:3px}.row-arrow{font-size:22px;color:#cbd5e1}.pager{display:flex;justify-content:center;gap:10px;margin:16px 0}.empty-state{text-align:center;background:#fff;border:1px dashed #cfd6df;border-radius:16px;padding:46px 20px}.empty-state.compact{border:0;border-radius:0;padding:38px 20px}.empty-icon{width:54px;height:54px;border-radius:16px;background:#f1f5f9;display:grid;place-items:center;margin:0 auto 12px;font-size:23px;color:#64748b}.empty-state h3{margin:0 0 6px}.empty-state p{margin:0 0 16px;color:var(--muted)}
.message-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.back-link{font-weight:700;color:#475569}.message-actions{display:flex;gap:7px;flex-wrap:wrap}.action-button{border:1px solid var(--line);background:#fff;border-radius:9px;padding:8px 11px;font-weight:650;font-size:13px}.action-button.primary{background:var(--dark);border-color:var(--dark);color:#fff}.message-card{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 1px 2px rgba(15,23,42,.02);overflow:hidden}.modern-message{padding:0}.message-title-row{display:flex;justify-content:space-between;gap:16px;padding:22px 22px 16px;border-bottom:1px solid #eef1f5}.message-title-row h2{margin:0 0 8px;font-size:22px;line-height:1.3}.message-title-row time{font-size:12px;color:var(--muted);white-space:nowrap}.sender-panel{display:flex;gap:11px;align-items:flex-start;padding:16px 22px}.sender-copy{min-width:0}.sender-copy b,.sender-copy span{display:block}.sender-copy b{overflow-wrap:anywhere}.sender-copy span{font-size:12px;color:var(--muted);margin-top:3px;overflow-wrap:anywhere}.privacy-banner{margin:0 22px 14px;border:1px solid #fed7aa;background:var(--amberbg);border-radius:11px;padding:10px 12px;color:#9a3412;display:flex;justify-content:space-between;gap:12px;align-items:center}.privacy-banner b,.privacy-banner span{display:block}.privacy-banner span{font-size:12px;margin-top:2px}.privacy-banner a{font-size:12px;font-weight:800;text-decoration:underline;white-space:nowrap}.attachment-section{padding:4px 22px 14px;border-bottom:1px solid #eef1f5}.section-label{display:flex;gap:7px;align-items:baseline;margin-bottom:8px}.section-label span{font-size:12px;color:var(--muted)}.attachment-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.attachment-card{display:flex;align-items:center;gap:9px;border:1px solid var(--line);border-radius:11px;padding:9px 10px;background:#fafbfc}.attachment-card>span:nth-child(2){min-width:0;flex:1}.attachment-card b,.attachment-card small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.attachment-card b{font-size:12px}.attachment-card small{font-size:11px;color:var(--muted);margin-top:2px}.attachment-card em{font-style:normal;color:#64748b}.message-body{padding:0}.message-frame{width:100%;height:620px;border:0;background:#fff}.modern-danger{text-align:right;margin-top:12px}
.compose-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 1px 2px rgba(15,23,42,.02)}.compose-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field label{display:block;font-size:12px;font-weight:800;margin:0 0 6px;color:#475569}.field small{display:block;color:var(--muted);font-size:11px;margin-top:5px}.recipient-more{margin:12px 0}.recipient-more summary{cursor:pointer;color:#475569;font-weight:700;font-size:12px;margin-bottom:10px}.locked-account{border:1px solid #bfdbfe;background:#eff6ff;border-radius:10px;padding:8px 10px;display:flex;align-items:center;gap:9px;height:41px}.account-dot{width:24px;height:24px;border-radius:7px;background:#fff;display:grid;place-items:center;font-weight:900;color:#2563eb}.locked-account div{min-width:0;flex:1}.locked-account b,.locked-account small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.locked-account b{font-size:12px}.locked-account small{font-size:10px;color:#1d4ed8}.lock-mark{font-size:13px}.editor-toolbar{display:flex;gap:5px;padding:6px;border:1px solid #d7dce3;border-bottom:0;border-radius:10px 10px 0 0;background:#f8fafc}.editor-toolbar button{background:#fff;color:#334155;border:1px solid #d7dce3;border-radius:7px;padding:5px 9px;font-weight:650}.rich-editor{min-height:290px;background:#fff;border:1px solid #d7dce3;border-radius:0 0 10px 10px;padding:13px;outline:none;overflow-wrap:anywhere}.rich-editor:focus{border-color:#93c5fd;box-shadow:inset 0 0 0 1px #93c5fd}.rich-editor blockquote{border-left:3px solid #cbd5e1;margin-left:7px;padding-left:12px;color:#475569}.hidden-field{display:none}.attachment-box{margin-top:14px;border:1px dashed #cbd5e1;background:#f8fafc;border-radius:12px;padding:12px;display:grid;grid-template-columns:1fr auto;gap:8px 12px;align-items:center}.attachment-box>div:first-child b,.attachment-box>div:first-child small{display:block}.attachment-box>div:first-child small{font-size:11px;color:var(--muted);margin-top:2px}.file-button{background:#fff;border:1px solid var(--line);padding:8px 10px;border-radius:9px;font-size:12px;font-weight:800;cursor:pointer}.file-button input{display:none}.file-summary{grid-column:1/3;color:var(--muted);font-size:11px;overflow-wrap:anywhere}.checkline{grid-column:1/3;display:flex;align-items:center;gap:8px;font-size:12px}.checkline input{width:auto}.compose-footer{border-top:1px solid #eef1f5;margin-top:15px;padding-top:13px;display:flex;align-items:center;justify-content:space-between;gap:15px}.draft-status,.tracking-inline{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:6px}.tracking-inline{margin-top:4px}.send-button{min-width:135px}.section-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.section-toolbar>div b,.section-toolbar>div span{display:block}.draft-row{display:flex;align-items:center;border-bottom:1px solid #eef1f5}.draft-row:last-child{border-bottom:0}.draft-open{display:flex;align-items:center;gap:11px;padding:12px 14px;flex:1;min-width:0}.draft-copy{min-width:0}.draft-copy strong,.draft-copy span,.draft-copy small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.draft-copy span,.draft-copy small{font-size:12px;color:var(--muted);margin-top:2px}.icon-danger{background:transparent;color:var(--red);border:0;font-size:19px;padding:14px}
.settings-section{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;margin-bottom:14px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:14px}.section-heading h2{margin:0;font-size:18px}.section-heading p{margin:4px 0 0;color:var(--muted);font-size:12px}.account-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.account-card{border:1px solid var(--line);border-radius:13px;padding:14px}.account-card-head{display:flex;align-items:center;gap:10px;padding-bottom:12px;border-bottom:1px solid #eef1f5}.account-card-head>div:nth-child(2){min-width:0;flex:1}.account-card-head b,.account-card-head span{display:block}.account-card-head b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.account-card-head span{font-size:11px;color:var(--muted);margin-top:2px}.signature-form{padding-top:12px}.signature-form .field{margin-bottom:10px}.toggle-line{display:flex;align-items:center;gap:8px;font-size:12px;margin:8px 0 12px}.toggle-line input{width:auto}.integration-row{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:12px;padding:12px}.integration-row>div:nth-child(2){flex:1}.integration-row b,.integration-row span{display:block}.integration-row span{font-size:12px;color:var(--muted);margin-top:2px}.danger-settings{display:flex;align-items:center;justify-content:space-between}.danger-settings h2{font-size:16px;margin:0}.danger-settings p{margin:3px 0 0;color:var(--muted);font-size:12px}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:12px}.stat-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px}.stat-card span,.stat-card small{display:block;color:var(--muted);font-size:11px}.stat-card b{display:block;font-size:26px;margin:5px 0}.tracking-list{display:flex;flex-direction:column;gap:9px;margin-bottom:12px}.track-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px}.track-head{display:flex;justify-content:space-between;gap:10px}.track-head>div{min-width:0}.track-head strong,.track-head span{display:block}.track-head strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.track-head>div span{font-size:11px;color:var(--muted);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.track-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:11px}.track-grid div{background:#f8fafc;border-radius:9px;padding:9px}.track-grid small,.track-grid b{display:block}.track-grid small{color:var(--muted);font-size:10px}.track-grid b{font-size:12px;margin-top:3px}
.login{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(145deg,#0f172a 0,#111827 45%,#e5e7eb 45%,#f8fafc 100%)}.login-card{width:100%;max-width:410px;background:#fff;border-radius:20px;padding:26px;box-shadow:0 28px 70px rgba(15,23,42,.22)}.login-logo{display:flex;align-items:center;gap:11px;margin-bottom:18px}.login-logo h1{font-size:22px;margin:0}.login-logo p{margin:2px 0 0;color:var(--muted);font-size:12px}.login-card label{display:block;font-size:12px;font-weight:800;margin:12px 0 6px;color:#475569}.login-card input{width:100%;border:1px solid #d7dce3;border-radius:10px;padding:11px}.login-card button{width:100%;margin-top:16px;border:0;border-radius:10px;background:var(--dark);color:#fff;padding:11px;font-weight:800}
@media(max-width:900px){.sidebar{width:210px}.app-main{margin-left:210px}.content-head,.content-wrap{padding-left:20px;padding-right:20px}.account-cards{grid-template-columns:1fr}.mail-search{grid-template-columns:160px 1fr auto}.mail-search .clear-search{grid-column:3}.attachment-grid{grid-template-columns:1fr}}
@media(max-width:700px){body{padding-bottom:68px}.sidebar{display:none}.app-main{margin-left:0}.mobile-top{display:flex;height:56px;align-items:center;justify-content:space-between;padding:0 14px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.mobile-brand{display:flex;align-items:center;gap:8px}.mobile-settings{font-size:21px}.content-head{padding:16px 14px 4px}.content-head h1{font-size:22px}.content-head p{font-size:11px}.content-wrap{padding:10px 10px 26px}.bottom-nav{display:flex;position:fixed;left:0;right:0;bottom:0;height:62px;background:#fff;border-top:1px solid var(--line);z-index:25;justify-content:space-around;padding-bottom:env(safe-area-inset-bottom)}.bottom-nav a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#94a3b8;gap:2px}.bottom-nav a>span{font-size:18px;line-height:1}.bottom-nav a small{font-size:9px}.bottom-nav a.active{color:var(--dark);font-weight:800}.mobile-fab{display:grid;place-items:center;position:fixed;right:15px;bottom:76px;width:49px;height:49px;border-radius:16px;background:var(--dark);color:#fff;z-index:24;font-size:24px;box-shadow:0 12px 28px rgba(15,23,42,.25)}.mail-toolbar-card{padding:9px;border-radius:13px}.mail-search{grid-template-columns:1fr auto}.mail-search select{grid-column:1/3}.search-input{grid-column:1}.search-button{grid-column:2}.clear-search{display:none}.sync-strip{gap:8px}.sync-copy{min-width:0}.sync-copy div{min-width:0}.sync-copy b,.sync-copy small{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mail-row{padding:10px}.mail-icon{width:36px;height:36px;min-width:36px;border-radius:10px}.mail-top strong{max-width:70%}.row-arrow{display:none}.mail-summary{margin:8px 2px}.message-toolbar{align-items:flex-start;gap:8px}.message-toolbar .back-link{display:none}.message-actions{width:100%;display:grid;grid-template-columns:1fr 1fr 1fr}.action-button{text-align:center;padding:8px 5px}.message-title-row{padding:16px 14px 12px;display:block}.message-title-row h2{font-size:19px}.message-title-row time{display:block;margin-top:8px}.sender-panel{padding:12px 14px}.privacy-banner{margin:0 14px 12px;align-items:flex-start}.attachment-section{padding:3px 14px 12px}.message-frame{height:520px}.compose-card{padding:12px;border-radius:13px}.compose-grid{grid-template-columns:1fr}.rich-editor{min-height:230px}.attachment-box{grid-template-columns:1fr auto}.compose-footer{align-items:flex-end}.send-button{min-width:112px}.section-toolbar{align-items:flex-start;gap:8px}.section-heading{align-items:flex-start}.settings-section{padding:13px}.stat-grid{grid-template-columns:1fr 1fr 1fr;gap:6px}.stat-card{padding:10px}.stat-card b{font-size:22px}.track-grid{grid-template-columns:1fr 1fr}.notice{font-size:12px;display:block}.notice b{display:block;margin-bottom:3px}.info-note{display:block}.info-note b{display:block;margin-bottom:3px}.global-busy{top:8px;max-width:92%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}}

.login-remember-note{margin:12px 0 0;color:#64748b;font-size:12px;line-height:1.55;text-align:center}

/* ============================================================
   UCORE MailHub Brand System v0.2.3
   Palette: Navy #082B6F / Navy 2 #041B49 / Blue #1F63FF
            Cyan #13B9D3 / Gold #D6B050 / Light #F8FAFF
   ============================================================ */
:root{
  --brand-navy:#082B6F;--brand-navy-2:#041B49;--brand-blue:#1F63FF;--brand-cyan:#13B9D3;--brand-gold:#D6B050;--brand-light:#F8FAFF;
  --bg:#f3f7fd;--surface:#fff;--surface2:#f8fbff;--text:#10233f;--muted:#718099;--line:#e2e9f3;--dark:#082B6F;--dark2:#041B49;--accent:#1F63FF;
  --green:#138a56;--greenbg:#eaf8f1;--red:#b42318;--redbg:#fff1f0;--amber:#a15c00;--amberbg:#fff7e8;
  --shadow:0 14px 36px rgba(4,27,73,.08);--shadow-sm:0 5px 18px rgba(4,27,73,.06);--ring:0 0 0 4px rgba(31,99,255,.12)
}
html{background:var(--bg)}body{font-family:"Segoe UI","Leelawadee UI",Tahoma,Arial,sans-serif;background:linear-gradient(180deg,#f8fbff 0,#f3f7fd 44%,#eef4fb 100%);color:var(--text);letter-spacing:.002em}
.app-body:before{content:"";position:fixed;inset:0 0 auto 238px;height:260px;background:radial-gradient(circle at 72% -20%,rgba(19,185,211,.14),transparent 38%),radial-gradient(circle at 20% -45%,rgba(31,99,255,.10),transparent 42%);pointer-events:none;z-index:0}
.app-shell,.app-main,.content-wrap,.content-head{position:relative}

/* Brand shell */
.sidebar{width:250px;padding:16px 14px 14px;background:linear-gradient(165deg,var(--brand-navy-2) 0%,var(--brand-navy) 55%,#0a397d 100%);box-shadow:10px 0 35px rgba(4,27,73,.08);border-right:1px solid rgba(255,255,255,.06)}
.app-main{margin-left:250px}
.sidebar-brand-wrap{padding:0 4px 13px}.brand{padding:10px 12px 9px;background:#fff;border-radius:16px;display:block;box-shadow:0 12px 28px rgba(0,12,44,.16);border:1px solid rgba(214,176,80,.24)}.brand img{display:block;width:100%;height:48px;object-fit:contain}.brand-caption{display:block;text-align:center;color:#8da2c4;font-size:8px;letter-spacing:.22em;font-weight:800;margin-top:8px}
.compose-primary{margin:4px 4px 18px;border-radius:14px;padding:12px 14px;background:linear-gradient(135deg,var(--brand-blue),#1653da 72%);color:#fff;box-shadow:0 10px 22px rgba(31,99,255,.24);display:flex;align-items:center;justify-content:center;gap:9px;border:1px solid rgba(255,255,255,.14);transition:.18s transform,.18s box-shadow}.compose-primary:hover{filter:none;transform:translateY(-1px);box-shadow:0 13px 27px rgba(31,99,255,.30)}.compose-primary.active{outline:2px solid rgba(214,176,80,.65);outline-offset:2px}
.nav-section-label{font-size:9px;letter-spacing:.17em;color:#7f97ba;font-weight:800;padding:0 12px 7px}.side-nav{gap:3px}.side-nav a{position:relative;padding:10px 11px;border-radius:11px;color:#c7d5eb;font-weight:650;gap:11px;border:1px solid transparent;transition:.15s}.side-nav a:hover{background:rgba(255,255,255,.075);color:#fff}.side-nav a.active{background:linear-gradient(90deg,rgba(31,99,255,.24),rgba(19,185,211,.10));color:#fff;border-color:rgba(97,164,255,.20)}.side-nav a.active .nav-svg{color:#77dff1}.active-indicator{position:absolute;right:8px;width:4px;height:20px;border-radius:99px;background:linear-gradient(var(--brand-gold),#f3d885)}
.nav-svg{width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;flex:none}.nav-svg svg,.side-logout svg,.mobile-settings svg,.mobile-fab svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.side-user{margin-top:auto;border-top:1px solid rgba(255,255,255,.11);padding:14px 8px 2px;gap:9px}.user-dot{width:36px;height:36px;background:linear-gradient(135deg,var(--brand-cyan),var(--brand-blue));color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.25)}.side-user-copy{min-width:0;flex:1}.side-user-copy b{font-size:13px;color:#fff;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.side-user-copy span{font-size:10px;color:#8fa5c5}.side-logout{width:32px;height:32px;padding:7px;color:#a9b9d0;border-radius:9px;display:block}.side-logout:hover{background:rgba(255,255,255,.07);color:#fff}

/* Header */
.content-head{max-width:1220px;padding:30px 30px 9px;display:flex;justify-content:space-between;align-items:flex-end}.page-kicker{display:block;color:var(--brand-blue);font-size:9px;font-weight:900;letter-spacing:.18em;margin-bottom:5px}.content-head h1{font-size:29px;color:var(--brand-navy);font-weight:780;letter-spacing:-.035em}.content-head p{color:#718099;font-size:13px}.head-brand-accent{width:92px;height:5px;border-radius:99px;background:linear-gradient(90deg,var(--brand-gold) 0 25%,var(--brand-blue) 25% 70%,var(--brand-cyan) 70%);opacity:.9;margin-bottom:6px}.content-wrap{max-width:1220px;padding:16px 30px 60px}

/* Cards + controls */
.mail-toolbar-card,.mail-list,.message-card,.compose-card,.settings-section,.track-card,.draft-card{border-color:#dfe8f4;background:rgba(255,255,255,.94);box-shadow:var(--shadow-sm);backdrop-filter:saturate(1.1)}
.mail-toolbar-card{border-radius:18px;padding:13px}.mail-search select,.mail-search input,.field input,.field select,.field textarea{border-color:#d8e2ef;background:#fbfdff;border-radius:11px;min-height:42px}.mail-search select:focus,.mail-search input:focus,.field input:focus,.field select:focus,.field textarea:focus{border-color:#6d9cff;box-shadow:var(--ring);background:#fff}.search-input span{color:#7690b4}.search-button,.button,button.button,.send-button{background:linear-gradient(135deg,var(--brand-navy),#0d438e);box-shadow:0 7px 18px rgba(8,43,111,.13);border-radius:11px}.search-button:hover,.button:hover,.send-button:hover{filter:none;box-shadow:0 9px 22px rgba(8,43,111,.18);transform:translateY(-1px)}.button.secondary{background:#fff;color:var(--brand-navy);border:1px solid #d9e3f0;box-shadow:none}.button.secondary:hover{background:#f8fbff;border-color:#b9cbe2}.button.danger{background:#b42318}.button.small{border-radius:9px}.clear-search{color:#6c7d96}
.sync-strip{border-top-color:#edf2f8}.sync-copy b{color:var(--brand-navy)}.status-dot.ok{background:#18a66a}.status-dot.syncing{background:var(--brand-blue);box-shadow:0 0 0 4px rgba(31,99,255,.12)}.status-dot.waiting{background:var(--brand-gold)}
.global-busy{background:linear-gradient(100deg,var(--brand-navy-2),var(--brand-navy));border:1px solid rgba(255,255,255,.12);box-shadow:0 12px 30px rgba(4,27,73,.25)}.spinner{border-color:rgba(255,255,255,.26);border-top-color:var(--brand-cyan)}
.notice{border-radius:13px}.notice.success{background:#effaf5;border-color:#c4eed9;color:#11764c}.notice.error{background:#fff4f3;border-color:#f3cdc9;color:#9f241b}.info-note{background:#f0f7ff;border-color:#cae0ff;color:#164d99}.account-pill{background:#f3f7fc;color:#536985;border-color:#e0e8f2}

/* Mail list */
.mail-list{border-radius:18px}.mail-row{position:relative;padding:13px 15px;gap:13px;border-bottom-color:#edf2f7;background:#fff;transition:.15s background,.15s transform}.mail-row:hover{background:#f7fbff;transform:translateX(2px)}.mail-row.unread{background:linear-gradient(90deg,#eef6ff 0%,#fff 60%)}.mail-row.unread:before{content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:99px;background:linear-gradient(var(--brand-blue),var(--brand-cyan))}.mail-icon{background:linear-gradient(145deg,#eef5ff,#f9fcff);color:var(--brand-navy);border:1px solid #dbe7f5;font-weight:800;box-shadow:0 3px 8px rgba(8,43,111,.05)}.mail-row.unread .mail-icon{background:linear-gradient(135deg,var(--brand-blue),var(--brand-cyan));color:#fff;border-color:transparent}.mail-top strong{color:#183354}.mail-row.unread .mail-top strong,.mail-row.unread .subject-line{color:var(--brand-navy);font-weight:800}.subject-line{color:#28415f}.snippet{color:#73839a}.row-arrow{color:#adc0d7}.mail-summary b{color:var(--brand-navy)}
.empty-state{background:rgba(255,255,255,.72);border:1px dashed #cad8e9;border-radius:18px}.empty-icon{color:var(--brand-blue);background:#eef5ff;border:1px solid #dce9fb}

/* Message */
.message-toolbar,.section-toolbar{background:rgba(255,255,255,.80);border-color:#e0e8f2;border-radius:14px}.action-button{color:#526984;border-color:#dfe7f1;background:#fff}.action-button:hover{color:var(--brand-blue);border-color:#bfd3ef;background:#f6faff}.message-title-row h2{color:var(--brand-navy)}.sender-panel{background:#fbfdff}.sender-avatar{background:linear-gradient(135deg,var(--brand-blue),var(--brand-cyan));color:#fff}.privacy-banner{background:#f6f9fd;border-color:#dfe7f1;color:#5e718c}.attachment-card{border-color:#dce6f1;background:#fbfdff}.message-frame{background:#fff}

/* Compose */
.compose-card{border-radius:20px}.locked-account{border-color:#d8e4f3;background:linear-gradient(90deg,#f4f8ff,#fff)}.account-dot{background:linear-gradient(135deg,var(--brand-blue),var(--brand-cyan));color:#fff}.lock-mark{color:var(--brand-gold)}.recipient-more summary{color:var(--brand-blue)}.editor-toolbar{background:#f6f9fd;border-color:#dbe5f1}.editor-toolbar button{color:#536983}.editor-toolbar button:hover{background:#eaf2fc;color:var(--brand-blue)}.rich-editor{border-color:#d8e2ef;background:#fff}.rich-editor:focus{border-color:#6d9cff;box-shadow:var(--ring)}.attachment-box{background:#f8fbff;border-color:#dbe6f2}.file-button{background:#fff;border-color:#cbd9e9;color:var(--brand-navy)}.tracking-inline{color:#287296}.send-button{background:linear-gradient(135deg,var(--brand-blue),#1653da 60%,#0b81b0);min-width:145px;box-shadow:0 10px 22px rgba(31,99,255,.22)}

/* Settings / Tracking / drafts */
.settings-section{border-radius:19px}.section-heading h2,.track-head strong,.draft-card h3{color:var(--brand-navy)}.account-card{border-color:#dfe8f3;background:#fbfdff}.account-card-head .mail-icon.large{background:linear-gradient(135deg,#4285f4,#1a73e8);color:#fff}.integration-row{background:#f8fbff;border-color:#e0e8f2}.badge{background:#edf3ff;color:#315c9b}.badge.green{background:#eaf9f1;color:#15704a}.badge.neutral{background:#f2f5f9;color:#718099}.stat-card{background:linear-gradient(180deg,#fff,#f8fbff);border-color:#e0e8f2}.stat-card b{color:var(--brand-navy)}.track-card{border-radius:18px}.track-head{border-bottom-color:#edf2f7}.track-grid div{background:#f7faff;border:1px solid #e8eef6}.draft-card{border-radius:17px}

/* Mobile */
.mobile-top{background:rgba(255,255,255,.96);border-bottom:1px solid #e0e8f2;box-shadow:0 3px 14px rgba(4,27,73,.05);backdrop-filter:blur(14px)}.mobile-brand{display:flex;align-items:center;gap:8px}.mobile-brand img{width:34px;height:34px}.mobile-brand span{display:flex;align-items:baseline;gap:5px}.mobile-brand b{font-size:14px;color:var(--brand-navy);letter-spacing:.02em}.mobile-brand small{font-size:12px;color:#7687a0}.mobile-settings{width:36px;height:36px;padding:8px;color:var(--brand-navy);border-radius:10px;background:#f3f7fc}.bottom-nav{background:rgba(255,255,255,.97);border-top:1px solid #dde7f2;box-shadow:0 -8px 24px rgba(4,27,73,.07);backdrop-filter:blur(15px)}.bottom-nav a{color:#7b8ba1}.bottom-nav a.active{color:var(--brand-blue)}.bottom-nav a.active:before{background:linear-gradient(90deg,var(--brand-blue),var(--brand-cyan))}.bottom-nav .nav-svg{width:21px;height:21px}.mobile-fab{background:linear-gradient(145deg,var(--brand-blue),#1554df 62%,var(--brand-cyan));box-shadow:0 14px 28px rgba(31,99,255,.32);border:2px solid rgba(255,255,255,.9)}.mobile-fab svg{width:23px;height:23px}

/* Brand login */
body.login.brand-login{display:block;padding:0;background:#eef4fb;min-height:100vh}.login-shell{min-height:100vh;display:grid;grid-template-columns:minmax(390px,46%) 1fr}.login-visual{position:relative;overflow:hidden;background:linear-gradient(145deg,var(--brand-navy-2),var(--brand-navy) 58%,#0b4a91);color:#fff;display:flex;align-items:center;justify-content:center;padding:54px}.login-visual:after{content:"";position:absolute;right:-120px;bottom:-160px;width:430px;height:430px;border:1px solid rgba(214,176,80,.20);border-radius:50%;box-shadow:0 0 0 55px rgba(255,255,255,.025),0 0 0 110px rgba(255,255,255,.018)}.login-visual-glow{position:absolute;border-radius:50%;filter:blur(2px)}.glow-one{width:320px;height:320px;right:-70px;top:-80px;background:radial-gradient(circle,rgba(19,185,211,.24),transparent 66%)}.glow-two{width:280px;height:280px;left:-80px;bottom:-60px;background:radial-gradient(circle,rgba(31,99,255,.28),transparent 68%)}.login-visual-content{position:relative;z-index:2;max-width:520px}.login-hero-icon{width:116px;height:116px;filter:drop-shadow(0 18px 30px rgba(0,0,0,.18));margin-bottom:20px}.login-brand-copy{display:flex;align-items:baseline;gap:10px;margin-bottom:28px}.login-brand-copy span{font-size:31px;font-weight:850;letter-spacing:.025em}.login-brand-copy strong{font-size:27px;font-weight:400;color:#c8d5e8}.login-visual h2{font-size:39px;line-height:1.18;letter-spacing:-.035em;margin:0 0 18px}.login-visual p{color:#c4d3e7;line-height:1.75;font-size:15px;max-width:460px}.login-features{display:flex;gap:8px;flex-wrap:wrap;margin-top:25px}.login-features span{font-size:11px;padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:#d7e4f6}.login-panel{display:flex;align-items:center;justify-content:center;padding:42px}.login-card.brand-card{max-width:460px;width:100%;border:1px solid #dfe8f3;border-radius:24px;padding:34px 36px;background:rgba(255,255,255,.97);box-shadow:0 24px 55px rgba(4,27,73,.12)}.login-horizontal-logo{width:210px;height:auto;display:block;margin:0 auto 28px}.login-heading{text-align:center;margin-bottom:24px}.login-heading h1{font-size:28px;color:var(--brand-navy);margin:0 0 5px;letter-spacing:-.03em}.login-heading p{margin:0;color:#7889a0}.login-card.brand-card .field{margin-bottom:14px}.login-card.brand-card label{color:#405672}.login-card.brand-card input{min-height:46px}.login-submit{width:100%;border:0;border-radius:12px;min-height:47px;background:linear-gradient(135deg,var(--brand-blue),#1551d4 65%,#0b7fa9);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;gap:9px;box-shadow:0 10px 23px rgba(31,99,255,.22);margin-top:7px}.login-submit:hover{transform:translateY(-1px);box-shadow:0 13px 27px rgba(31,99,255,.26)}.login-remember-note{color:#718099}.login-footer{margin-top:22px;padding-top:16px;border-top:1px solid #edf1f6;text-align:center;font-size:10px;letter-spacing:.04em;color:#97a5b7}.login-footer span{color:var(--brand-gold);padding:0 4px}

@media(max-width:900px){
  .sidebar{width:220px}.app-main{margin-left:220px}.app-body:before{left:220px}.content-head,.content-wrap{padding-left:22px;padding-right:22px}.brand img{height:42px}.login-shell{grid-template-columns:42% 58%}.login-visual{padding:36px}.login-visual h2{font-size:31px}.login-hero-icon{width:92px;height:92px}
}
@media(max-width:760px){
  body{background:#f5f8fd}.app-body:before{display:none}.sidebar{display:none}.app-main{margin-left:0;padding-top:61px}.mobile-top{display:flex;position:fixed;z-index:40;top:0;left:0;right:0;height:61px;padding:0 14px;align-items:center;justify-content:space-between}.content-head{padding:18px 14px 4px;align-items:center}.content-head h1{font-size:24px}.page-kicker{font-size:8px}.head-brand-accent{width:58px;height:4px}.content-wrap{padding:12px 10px calc(94px + env(safe-area-inset-bottom))}.bottom-nav{display:flex;position:fixed;left:0;right:0;bottom:0;height:68px;padding-bottom:env(safe-area-inset-bottom);z-index:45}.bottom-nav a{position:relative;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:12px}.bottom-nav a:before{content:"";position:absolute;top:0;width:26px;height:3px;border-radius:0 0 99px 99px;background:transparent}.bottom-nav small{font-size:10px}.mobile-fab{display:flex;position:fixed;right:17px;bottom:calc(80px + env(safe-area-inset-bottom));width:54px;height:54px;border-radius:18px;align-items:center;justify-content:center;color:#fff;z-index:44}.mail-toolbar-card,.mail-list,.compose-card,.settings-section,.message-card,.track-card{border-radius:15px}.mail-search{grid-template-columns:1fr auto}.mail-search select{grid-column:1/-1}.search-input{min-width:0}.clear-search{display:none}.sync-strip{gap:8px}.sync-copy{min-width:0}.mail-row{padding:11px 10px;gap:10px}.mail-icon{width:38px;height:38px;min-width:38px}.content-head p{font-size:12px}.login-shell{display:block;min-height:100vh}.login-visual{display:none}.login-panel{min-height:100vh;padding:18px 14px;background:radial-gradient(circle at 50% -5%,rgba(31,99,255,.10),transparent 32%),#f1f6fc}.login-card.brand-card{padding:27px 20px;border-radius:20px;max-width:430px}.login-horizontal-logo{width:190px;margin-bottom:23px}.login-heading h1{font-size:25px}
}
@media(max-width:420px){.content-head{padding-top:14px}.content-head h1{font-size:22px}.head-brand-accent{display:none}.mail-toolbar-card{padding:10px}.mail-search{gap:6px}.mail-search input,.mail-search select{font-size:14px}.mail-row{align-items:flex-start}.mail-top{gap:6px}.mail-top time{font-size:10px}.subject-line{font-size:13px}.snippet{font-size:12px}.login-card.brand-card{box-shadow:0 14px 35px rgba(4,27,73,.09)}}


/* v0.2.4 — Multi-account identity */
.account-badge{
  --acct-bg:#eef5ff;--acct-text:#1557c8;--acct-border:#cfe0ff;--acct-dot:#1f63ff;
  display:inline-flex;align-items:center;gap:7px;max-width:100%;
  border:1px solid var(--acct-border);background:var(--acct-bg);color:var(--acct-text);
  border-radius:999px;padding:4px 9px 4px 5px;line-height:1;vertical-align:middle;
}
.account-provider{
  width:21px;height:21px;min-width:21px;border-radius:50%;
  display:grid;place-items:center;background:var(--acct-dot);color:#fff;
  font-size:10px;font-style:normal;font-weight:900;box-shadow:0 2px 6px rgba(8,43,111,.10);
}
.account-badge-copy{min-width:0;display:flex;align-items:baseline;gap:5px}
.account-badge-copy small{font-size:9px;letter-spacing:.02em;opacity:.72;white-space:nowrap}
.account-badge-copy b{font-size:10px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}
.account-filter-strip{
  display:flex;align-items:center;gap:8px;overflow-x:auto;padding:1px 2px 10px;margin:-2px 0 2px;
  scrollbar-width:thin;
}
.account-filter-all,.account-filter-item{
  flex:none;border:1px solid #dfe7f1;background:#fff;border-radius:12px;padding:6px 8px;
  min-height:38px;display:flex;align-items:center;transition:.15s box-shadow,.15s border-color,.15s transform;
}
.account-filter-all{gap:8px;padding:7px 11px;color:#536985;font-size:12px}
.account-filter-all:hover,.account-filter-item:hover{border-color:#b9cbe2;box-shadow:0 5px 14px rgba(8,43,111,.07);transform:translateY(-1px)}
.account-filter-all.active,.account-filter-item.active{border-color:#8eb2ff;box-shadow:0 0 0 2px rgba(31,99,255,.10)}
.all-account-dots{display:flex;align-items:center}
.all-account-dots i{width:10px;height:10px;border-radius:50%;border:2px solid #fff;margin-left:-2px;box-shadow:0 0 0 1px rgba(8,43,111,.06)}
.all-account-dots i:first-child{margin-left:0}
.mail-account-line{display:flex;align-items:center;margin-top:7px;min-height:24px}
.mail-row .account-badge{padding-top:3px;padding-bottom:3px}
.mail-row .account-provider{width:18px;height:18px;min-width:18px;font-size:9px}
.mail-row .account-badge-copy b{font-size:10px;max-width:260px}
.mail-row .account-badge-copy small{font-size:9px}
.draft-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:6px}
.draft-meta>small{color:#8a99ad;font-size:10px}
.tracking-account-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:6px}
.tracking-destination{font-size:11px;color:#718099;overflow-wrap:anywhere}
.message-title-row .account-badge{margin-top:2px}
.mail-summary>.account-badge{max-width:55%}

@media(max-width:760px){
  .account-filter-strip{margin-left:-2px;margin-right:-2px;padding-bottom:8px}
  .account-filter-all,.account-filter-item{min-height:36px}
  .account-badge-copy b{max-width:185px}
  .mail-account-line{margin-top:6px}
  .mail-row .account-badge-copy b{max-width:190px}
  .mail-summary>.account-badge{max-width:68%}
  .tracking-account-row{align-items:flex-start}
}
@media(max-width:420px){
  .account-badge-copy small{display:none}
  .account-badge-copy b{max-width:160px}
  .mail-row .account-badge-copy b{max-width:170px}
  .mail-summary>.account-badge{max-width:72%}
}


/* v0.2.5 — sender photos & contact identity */
.sender-avatar{
  position:relative;overflow:hidden;isolation:isolate;
  background:linear-gradient(145deg,#eef5ff,#f9fcff);
}
.sender-avatar .avatar-initial{
  position:relative;z-index:1;transition:.16s opacity;
}
.sender-avatar .avatar-photo{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  border-radius:inherit;z-index:2;opacity:0;transition:.2s opacity;
  background:#eef3f8;
}
.sender-avatar.has-photo .avatar-photo{opacity:1}
.sender-avatar.has-photo .avatar-initial{opacity:0}
.mail-row.unread .sender-avatar.has-photo{background:#fff;border-color:#dbe7f5}
.mail-row.unread .sender-avatar.has-photo .avatar-initial{color:var(--brand-navy)}
.avatar-permission-row{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  margin:11px 0 14px;padding:11px 12px;border:1px solid #e1e9f3;
  border-radius:13px;background:#f8fbff;
}
.avatar-permission-row>div{min-width:0}
.avatar-permission-row b,.avatar-permission-row span,.avatar-permission-row small{display:block}
.avatar-permission-row b{font-size:12px;color:var(--brand-navy)}
.avatar-permission-row span{font-size:11px;color:#667b96;margin-top:2px}
.avatar-permission-row small{font-size:10px;color:#b45309;margin-top:5px;max-width:520px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.account-card-identity{min-width:0;flex:1}
.account-card-identity b,.account-card-identity span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.avatar-info-note{margin:0 0 13px}
@media(max-width:700px){
  .avatar-permission-row{align-items:flex-start;flex-direction:column}
  .avatar-permission-row .button{width:100%;text-align:center}
  .sender-avatar.row-avatar{width:38px;height:38px;min-width:38px}
}


/* v0.2.6 — Smart Inbox & Gmail Categories */
.nav-count{
  margin-left:auto;min-width:20px;height:20px;padding:0 6px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  background:#eef4ff;color:#315f9d;font-size:10px;font-style:normal;font-weight:800;
}
.side-nav a.active .nav-count{background:rgba(255,255,255,.18);color:inherit}
.category-label{margin-top:15px}
.category-nav a[href*="folder=promotions"] .nav-svg{color:#b88712}
.category-nav a[href*="folder=social"] .nav-svg{color:#1876d2}
.category-nav a[href*="folder=updates"] .nav-svg{color:#16856a}
.category-nav a[href*="folder=forums"] .nav-svg{color:#6b5bd2}
.category-nav a[href*="folder=spam"] .nav-svg{color:#c24848}
.category-strip{
  display:flex;gap:8px;align-items:center;overflow-x:auto;
  padding:2px 1px 11px;margin:0 0 2px;scrollbar-width:thin;
}
.category-chip{
  flex:none;display:inline-flex;align-items:center;gap:7px;
  min-height:38px;padding:7px 11px;border:1px solid #e0e8f2;border-radius:12px;
  background:#fff;color:#536985;font-size:12px;font-weight:700;
  transition:.15s transform,.15s border-color,.15s box-shadow,.15s background;
}
.category-chip .nav-svg{width:17px;height:17px}
.category-chip:hover{transform:translateY(-1px);border-color:#b9cbe2;box-shadow:0 5px 15px rgba(8,43,111,.07)}
.category-chip.active{background:#edf4ff;border-color:#95b7f7;color:#0b4cab;box-shadow:0 0 0 2px rgba(31,99,255,.08)}
.category-chip em{
  min-width:19px;height:19px;padding:0 5px;border-radius:999px;background:#e9f1ff;
  display:inline-flex;align-items:center;justify-content:center;font-size:9px;font-style:normal;color:#315f9d;
}
.category-chip.active em{background:#1f63ff;color:#fff}
.category-chip.danger-chip{color:#a94343}
.category-chip.danger-chip.active{background:#fff1f1;border-color:#edb4b4;color:#a73535;box-shadow:0 0 0 2px rgba(194,72,72,.08)}
.category-chip.danger-chip.active em{background:#c24848}
.notice.warning{background:#fff9e8;border-color:#f1d99b;color:#725318}
.notice.warning b{color:#725318}
.spam-notice,.spam-message-warning{margin-bottom:12px}
.danger-zone{gap:9px;flex-wrap:wrap}

@media(max-width:760px){
  .category-strip{margin-left:-2px;margin-right:-2px;padding-bottom:9px}
  .category-chip{min-height:36px;padding:6px 9px}
  .category-chip span:not(.nav-svg){white-space:nowrap}
}


/* v0.2.7 — account nicknames, profile filters, readable threads, attachment preview */
.mail-search.compact-search{grid-template-columns:1fr auto auto}
.account-filter-item{padding:5px 8px}
.account-filter-profile{display:flex;align-items:center;gap:8px;min-width:0}
.account-filter-avatar{width:30px!important;height:30px!important;min-width:30px!important;border-radius:50%!important}
.account-filter-copy{display:flex;flex-direction:column;min-width:0;text-align:left}
.account-filter-copy b{font-size:11px;color:#173f77;white-space:nowrap;max-width:130px;overflow:hidden;text-overflow:ellipsis}
.account-filter-copy small{font-size:9px;color:#8a99ad;white-space:nowrap;max-width:150px;overflow:hidden;text-overflow:ellipsis}
.account-badge-copy b{max-width:120px}
.signature-form .field small{display:block;color:#8796aa;font-size:10px;margin-top:5px}
.thread-shell{background:#fff;border:1px solid #dfe7f1;border-radius:18px;box-shadow:0 8px 28px rgba(8,43,111,.05);overflow:hidden}
.thread-header{display:flex;justify-content:space-between;gap:16px;padding:21px 22px 15px;background:linear-gradient(180deg,#fbfdff,#fff);border-bottom:1px solid #e9eef5}
.thread-kicker{font-size:9px;font-weight:900;letter-spacing:.14em;color:#4b79b8}
.thread-header h2{margin:5px 0 9px;color:#082b6f;font-size:23px;line-height:1.35}
.thread-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;color:#7788a0;font-size:11px}
.thread-privacy{margin:13px 16px 0}
.email-thread{padding:14px 16px 16px;background:#f7f9fc}
.thread-message{position:relative;background:#fff;border:1px solid #dfe7f1;border-radius:14px;margin-bottom:10px;overflow:hidden;transition:.15s box-shadow,.15s border-color}
.thread-message:last-child{margin-bottom:0}.thread-message[open]{border-color:#bfd3ef;box-shadow:0 8px 22px rgba(8,43,111,.06)}
.thread-message.incoming{border-left:4px solid #13b9d3}.thread-message.outgoing{border-left:4px solid #1f63ff}
.thread-message.current{box-shadow:0 0 0 2px rgba(31,99,255,.07)}
.thread-summary{list-style:none;display:flex;align-items:center;gap:11px;padding:12px 13px;cursor:pointer;background:#fff}.thread-summary::-webkit-details-marker{display:none}
.thread-avatar{width:40px!important;height:40px!important;min-width:40px!important;border-radius:50%!important}
.thread-summary-main{min-width:0;flex:1}.thread-summary-top{display:flex;align-items:center;gap:7px;min-width:0}.thread-summary-top strong{font-size:13px;color:#0d326b;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:70%}
.direction-badge,.current-badge{font-size:9px;font-weight:800;border-radius:999px;padding:3px 6px;white-space:nowrap}.direction-badge.incoming{background:#e9fbfd;color:#08798c}.direction-badge.outgoing{background:#edf4ff;color:#1557c8}.current-badge{background:#fff7df;color:#8a6510}
.thread-summary-snippet{font-size:11px;color:#7b889a;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.thread-summary-time{font-size:10px;color:#91a0b3;white-space:nowrap;text-align:right}.thread-chevron{display:block;font-size:16px;line-height:1;margin-top:3px;transition:.15s transform}.thread-message[open] .thread-chevron{transform:rotate(180deg)}
.thread-content{border-top:1px solid #edf1f6}.thread-recipient-line{display:flex;gap:10px;flex-wrap:wrap;padding:10px 15px;background:#fbfdff;color:#718098;font-size:10px;border-bottom:1px solid #edf1f6}.thread-attachments{padding:11px 14px;border-bottom:1px solid #edf1f6}
.thread-frame{height:430px}.thread-message[open] .thread-frame{min-height:430px}
.attachment-preview-trigger{width:100%;text-align:left;cursor:pointer;font:inherit}.attachment-preview-trigger:hover{border-color:#a8c1e3;background:#f5f9ff}.attachment-preview-trigger em{font-size:17px;color:#1f63ff}
body.modal-open{overflow:hidden}.attachment-modal{position:fixed;inset:0;z-index:1000;display:none}.attachment-modal.open{display:block}.attachment-modal-backdrop{position:absolute;inset:0;background:rgba(4,20,48,.58);backdrop-filter:blur(3px)}
.attachment-modal-panel{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(940px,92vw);height:min(82vh,820px);background:#fff;border-radius:18px;box-shadow:0 30px 80px rgba(0,0,0,.28);display:grid;grid-template-rows:auto 1fr auto;overflow:hidden}
.attachment-modal-panel>header{display:flex;justify-content:space-between;align-items:center;padding:13px 16px;border-bottom:1px solid #e4eaf1}.attachment-modal-panel>header span,.attachment-modal-panel>header b{display:block}.attachment-modal-panel>header span{font-size:8px;letter-spacing:.13em;color:#6781a5;font-weight:900}.attachment-modal-panel>header b{font-size:14px;color:#082b6f;margin-top:3px;max-width:70vw;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.modal-close{border:0;background:#f2f6fb;color:#536985;width:35px;height:35px;border-radius:10px;font-size:24px;line-height:1;cursor:pointer}
.attachment-modal-body{position:relative;min-height:0;background:#f4f6f9}.attachment-modal-body iframe{width:100%;height:100%;border:0;background:#fff}.preview-loading{position:absolute;inset:0;display:flex;gap:9px;align-items:center;justify-content:center;color:#6e7f96;background:#f7f9fc;z-index:2}.preview-loading .spinner{width:18px;height:18px;border:2px solid #d7e2ef;border-top-color:#1f63ff;border-radius:50%;animation:spin .8s linear infinite}
.attachment-modal-panel>footer{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 14px;border-top:1px solid #e4eaf1;background:#fff}.attachment-modal-panel>footer>span{font-size:10px;color:#8492a6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media(max-width:900px){.mail-search.compact-search{grid-template-columns:1fr auto}.mail-search.compact-search .clear-search{grid-column:auto}.thread-frame{height:390px}}
@media(max-width:700px){.mail-search.compact-search{grid-template-columns:1fr auto}.account-filter-copy small{display:none}.account-filter-copy b{max-width:110px}.account-filter-item{padding:4px 7px}.account-filter-avatar{width:28px!important;height:28px!important;min-width:28px!important}.thread-shell{border-radius:15px}.thread-header{padding:16px 14px 12px}.thread-header h2{font-size:19px}.thread-privacy{margin:10px 10px 0}.email-thread{padding:10px}.thread-summary{padding:10px 9px;gap:8px;align-items:flex-start}.thread-avatar{width:36px!important;height:36px!important;min-width:36px!important}.thread-summary-top{flex-wrap:wrap}.thread-summary-top strong{max-width:100%;width:100%}.thread-summary-time{font-size:9px}.thread-summary-snippet{max-width:56vw}.thread-recipient-line{padding:9px 10px}.thread-attachments{padding:9px 10px}.thread-frame{height:360px}.attachment-modal-panel{width:100vw;height:100dvh;max-height:none;border-radius:0;left:0;top:0;transform:none}.attachment-modal-panel>header b{max-width:72vw}}


/* v0.2.8 — reliable attachment preview */
.attachment-preview-host{width:100%;height:100%;min-height:0;display:flex;align-items:center;justify-content:center;overflow:auto;background:#f4f6f9}
.preview-image{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;margin:auto}
.preview-frame{width:100%;height:100%;min-height:100%;border:0;background:#fff}
.preview-video{display:block;max-width:100%;max-height:100%;width:auto;height:auto;background:#000}
.preview-audio{width:min(680px,88%);margin:auto}
.preview-empty{min-height:100%;width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:28px;color:#60758f}
.preview-empty-icon{font-size:50px;margin-bottom:10px}
.preview-empty b{font-size:15px;color:#082b6f;margin-bottom:5px}
.preview-empty span{font-size:12px;max-width:440px}
@media(max-width:700px){
  .attachment-modal-panel{width:calc(100vw - 18px);height:calc(100dvh - 24px);max-height:none}
  .attachment-modal-body{min-height:0}
}


/* v0.2.9 — attachment gallery navigation + inline CID images */
.attachment-modal header>div>span em{
  font-style:normal;color:#7f94ae;font-weight:700;margin-left:4px;
}
.attachment-modal-body{position:relative}
.preview-nav{
  position:absolute;z-index:8;top:50%;transform:translateY(-50%);
  width:46px;height:58px;border:1px solid rgba(215,225,239,.92);
  border-radius:16px;background:rgba(255,255,255,.92);color:#0b4b9c;
  display:grid;place-items:center;font-size:38px;line-height:1;
  box-shadow:0 8px 24px rgba(8,43,111,.13);cursor:pointer;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.preview-prev{left:12px}.preview-next{right:12px}
.preview-nav:hover:not(:disabled){background:#fff;transform:translateY(-50%) scale(1.03)}
.preview-nav:disabled,.preview-nav.disabled{opacity:.28;cursor:default;box-shadow:none}
.attachment-footer-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.attachment-position{font-size:11px;color:#7b8da4;font-weight:700}
.thread-frame img[src^="/inline_image.php"],
.thread-frame img[src*="/inline_image.php"]{max-width:100%!important;height:auto!important}
@media(max-width:700px){
  .preview-nav{width:40px;height:50px;border-radius:14px;font-size:32px}
  .preview-prev{left:7px}.preview-next{right:7px}
  .attachment-modal footer{gap:7px}
  .attachment-position{display:none}
}


/* v0.3.0 — Email fidelity renderer + mobile preview */
.thread-frame,.thread-message[open] .thread-frame{
  width:100%;height:180px;min-height:120px;border:0;background:#fff;
  display:block;overflow:hidden;
}
.message-body{background:#fff;overflow:hidden}
.attachment-footer-actions{flex-wrap:wrap;justify-content:flex-end}
#attachmentOpenFull{white-space:nowrap}

@media(max-width:700px){
  .attachment-modal-panel{
    width:100vw!important;height:100vh!important;height:100dvh!important;
    max-height:none!important;border-radius:0!important;left:0!important;top:0!important;
    transform:none!important;
  }
  .attachment-modal-body{min-height:0!important;height:auto!important}
  .attachment-preview-host{min-height:0;height:100%;overflow:auto;-webkit-overflow-scrolling:touch}
  .preview-image{max-width:100%;max-height:none;height:auto}
  .attachment-modal-panel>footer{padding-bottom:calc(10px + env(safe-area-inset-bottom))}
  #attachmentOpenFull{display:inline-flex}
}