:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f5f6f2;color:#17201c;--panel: #ffffff;--panel-2: #f0f4f1;--line: #d9ded8;--muted: #69736d;--text: #17201c;--accent: #0f766e;--accent-2: #b45309;--danger: #b42318;--blue: #2563eb;--shadow: 0 20px 50px rgba(22, 28, 24, .12);--app-bg: #eef1ed;--reader-bg: #fafafa;--reader-panel: #fff;--input-bg: #fff;--account-avatar: #1f2937;--code-bg: #111827;--code-text: #e5e7eb;--empty-icon: #91a199;--folder-active: #e0f2ef;--bulk-ok: #ecfdf3;--bulk-bad: #fff1f3}:root[data-theme=dark]{color-scheme:dark;background:#0f1419;color:#e5e7eb;--panel: #1a1f26;--panel-2: #0f1419;--line: #2d3748;--muted: #9ca3af;--text: #e5e7eb;--accent: #14b8a6;--accent-2: #fb923c;--danger: #ef4444;--blue: #3b82f6;--shadow: 0 20px 50px rgba(0, 0, 0, .5);--app-bg: #0a0e13;--reader-bg: #0f1419;--reader-panel: #1a1f26;--input-bg: #0f1419;--account-avatar: #374151;--code-bg: #0a0e13;--code-text: #e5e7eb;--empty-icon: #4b5563;--folder-active: #0f3835;--bulk-ok: #064e3b;--bulk-bad: #4c0519}*{box-sizing:border-box}body{margin:0;min-width:360px}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}.center-screen,.auth-page{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-page{background:linear-gradient(135deg,rgba(15,118,110,.12),transparent 38%),linear-gradient(315deg,rgba(180,83,9,.12),transparent 42%),#f5f6f2}.auth-panel{width:min(460px,100%);background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:28px}.brand-mark{width:44px;height:44px;display:grid;place-items:center;border-radius:8px;color:#fff;background:#0f766e}.brand-mark.compact{width:34px;height:34px}.auth-panel h1,.pane-head h2,.reader h1,.modal h2{margin:0;letter-spacing:0}.auth-panel p{color:var(--muted);line-height:1.5}.stack{display:grid;gap:12px}input,select,textarea{width:100%;border:1px solid var(--line);background:var(--input-bg);color:var(--text);border-radius:7px;padding:11px 12px;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #0f766e24}.primary,.secondary,.sidebar-actions button{border:0;border-radius:7px;min-height:40px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 14px;font-weight:700}.primary{background:var(--accent);color:#fff}.secondary,.sidebar-actions button{background:var(--panel-2);color:var(--text);border:1px solid var(--line)}.error-line{color:var(--danger);font-size:13px}.setup-result{display:grid;gap:12px}.setup-result label{font-size:13px;color:var(--muted)}.code-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.code-grid code{background:var(--code-bg);color:var(--code-text);padding:8px;border-radius:6px;text-align:center}.app-shell{height:100vh;display:grid;grid-template-columns:280px 310px minmax(320px,420px) minmax(420px,1fr);background:var(--app-bg)}.sidebar,.accounts-pane,.messages-pane,.reader-pane{min-height:0;border-right:1px solid var(--line);background:var(--panel)}.sidebar{padding:16px;display:flex;flex-direction:column;gap:16px}.app-title{display:flex;align-items:center;gap:10px}.app-title div:last-of-type{display:grid}.app-title span{color:var(--muted);font-size:12px}.push{margin-left:auto}.icon-button{width:36px;height:36px;display:inline-grid;place-items:center;border:1px solid var(--line);background:var(--panel);border-radius:7px;color:var(--text)}.icon-button.tiny{width:28px;height:28px}.search-box{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--panel-2);border-radius:7px;padding:0 10px}.search-box input{border:0;background:transparent;box-shadow:none;padding-left:0}.section-head,.pane-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.section-head{color:var(--muted);font-size:12px;text-transform:uppercase;font-weight:800}.folder-row,.account-row,.message-row{width:100%;border:0;background:transparent;text-align:left}.folder-row{min-height:38px;display:flex;align-items:center;gap:9px;border-radius:7px;padding:0 10px;color:var(--text)}.folder-row.active,.account-row.active,.message-row.active{background:var(--folder-active)}.folder-row span:last-child{margin-left:auto;color:var(--muted)}.dot{width:10px;height:10px;border-radius:50%}.mini-form{display:grid;grid-template-columns:1fr 34px;gap:6px}.mini-form input{height:30px;padding:4px 7px}.sidebar-actions{margin-top:auto;display:grid;gap:8px}.accounts-pane,.messages-pane{display:flex;flex-direction:column}.pane-head{min-height:76px;padding:16px;border-bottom:1px solid var(--line)}.eyebrow{color:var(--muted);font-size:12px;text-transform:uppercase;font-weight:800}.account-list,.message-list{overflow:auto;padding:8px}.account-row{min-height:78px;display:grid;grid-template-columns:42px 1fr auto;gap:10px;align-items:center;border-radius:8px;padding:9px}.account-avatar{width:40px;height:40px;display:grid;place-items:center;border-radius:8px;background:var(--account-avatar);color:#fff;font-size:13px;font-weight:800}.account-row strong,.account-row span,.account-row em,.message-row span,.message-row p{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-row span,.message-row p,.reader small{color:var(--muted);font-size:13px;font-style:normal}.account-row em{color:var(--danger);font-size:12px}.status{border-radius:999px;padding:3px 7px;font-size:11px;font-weight:800;background:var(--panel-2);color:var(--muted)}.status.ok{background:#dff5ed;color:#067647}.status.error{background:#fee4e2;color:var(--danger)}.status.syncing{background:#dbeafe;color:var(--blue)}.message-row{min-height:98px;border-radius:8px;padding:12px}.message-row>div{display:flex;justify-content:space-between;gap:8px}.message-row time{color:var(--muted);font-size:12px;flex:0 0 auto}.message-row.unread strong,.message-row.unread span{font-weight:850}.reader-pane{background:var(--reader-bg);overflow:auto}.reader{min-height:100%;background:var(--reader-panel)}.reader header{min-height:118px;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:24px;border-bottom:1px solid var(--line)}.reader h1{font-size:24px;line-height:1.25}.reader p{margin:8px 0 4px;color:var(--text)}.reader p span{color:var(--muted);margin-left:8px}.mail-frame{width:100%;min-height:calc(100vh - 122px);border:0;background:var(--reader-panel)}.plain-mail{margin:0;padding:24px;white-space:pre-wrap;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;line-height:1.6}.empty-state{min-height:220px;display:grid;place-items:center;align-content:center;gap:8px;color:var(--muted);padding:24px;text-align:center}.empty-state svg{color:var(--empty-icon)}.empty-state strong{color:var(--text)}.modal-backdrop{position:fixed;inset:0;background:#11182761;display:grid;place-items:center;padding:20px}.modal{width:min(760px,100%);max-height:min(820px,calc(100vh - 40px));overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:18px}.modal header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.dialog-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.wide{grid-column:1 / -1}.checkline{display:flex;align-items:center;gap:8px}.checkline input{width:auto}.bulk-tools{display:grid;grid-template-columns:1fr 220px;gap:10px;margin-bottom:10px}.bulk-table{display:grid;gap:4px;margin:10px 0;max-height:220px;overflow:auto}.bulk-table div{display:grid;grid-template-columns:48px 1fr 220px;gap:8px;align-items:center;padding:8px;border-radius:6px}.ok-row{background:var(--bulk-ok)}.bad-row{background:var(--bulk-bad)}.bulk-table em{color:var(--muted);font-style:normal}.bulk-actions{display:flex;justify-content:flex-end;gap:10px}.toast{position:fixed;right:18px;bottom:18px;border-radius:8px;padding:12px 14px;color:#fff;box-shadow:var(--shadow)}.toast.ok{background:#067647}.toast.error{background:var(--danger)}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:1180px){.app-shell{grid-template-columns:260px minmax(260px,340px) minmax(360px,1fr)}.messages-pane{display:none}}@media(max-width:820px){.app-shell{height:auto;min-height:100vh;grid-template-columns:1fr}.sidebar,.accounts-pane,.messages-pane,.reader-pane{min-height:auto;border-right:0;border-bottom:1px solid var(--line)}.messages-pane{display:flex}.reader-pane{min-height:420px}.dialog-grid,.bulk-tools{grid-template-columns:1fr}}