:root{--font:-apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", sans-serif;--bg-primary:#fff;--bg-secondary:#f2f2f7;--bg-tertiary:#fff;--bg-hover:#0000000a;--bg-selected:#007aff1a;--label-primary:#000;--label-secondary:#3c3c4399;--separator:#3c3c432e;--accent:#007aff;--accent-hover:#0071e3;--red:#ff3b30;--orange:#ff9500;--green:#34c759;--shadow-card:0 1px 3px #0000000a, 0 4px 12px #0000000f;--sidebar-w:240px;--msglist-w:320px;--topbar-h:48px;font-family:var(--font);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;font-size:15px;line-height:1.5}@media (prefers-color-scheme:dark){:root{--bg-primary:#1c1c1e;--bg-secondary:#000;--bg-tertiary:#2c2c2e;--bg-hover:#ffffff0f;--bg-selected:#0a84ff2e;--label-primary:#fff;--label-secondary:#ebebf599;--separator:#5454588c;--accent:#0a84ff;--accent-hover:#409cff}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden}body{background:var(--bg-secondary);color:var(--label-primary);min-height:100dvh}button{cursor:pointer;color:inherit;background:0 0;border:none;font-family:inherit}input,textarea{color:inherit;font-family:inherit}#root{flex-direction:column;height:100dvh;display:flex}.login-container{background:var(--bg-secondary);flex:1;justify-content:center;align-items:center;padding:24px;display:flex}.login-card{background:var(--bg-primary);box-shadow:var(--shadow-card);border:1px solid var(--separator);border-radius:16px;flex-direction:column;align-items:center;width:100%;max-width:380px;padding:48px 40px;display:flex}.logo-mark{margin-bottom:20px;line-height:0}.logo-title{letter-spacing:-.5px;margin-bottom:8px;font-size:28px;font-weight:700}.logo-subtitle{color:var(--label-secondary);margin-bottom:32px;font-size:15px}.ms-login-btn{background:var(--accent);color:#fff;letter-spacing:-.1px;border-radius:10px;justify-content:center;align-items:center;gap:10px;width:100%;padding:13px 20px;font-size:15px;font-weight:600;transition:opacity .15s,transform .1s;display:flex}.ms-login-btn:hover{opacity:.88}.ms-login-btn:active{opacity:.75;transform:scale(.98)}.mail-loading{background:var(--bg-secondary);flex:1;justify-content:center;align-items:center;display:flex}.mail-loading-spinner{border:2.5px solid var(--separator);border-top-color:var(--accent);border-radius:50%;width:28px;height:28px;animation:.7s linear infinite spin}@keyframes 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24px;font-size:14px;line-height:1.7;overflow-y:auto}.msg-ai-row{align-items:center;gap:5px;margin-top:1px;display:flex}.msg-category-badge{letter-spacing:.02em;color:var(--accent);white-space:nowrap;background:#007aff1a;border-radius:4px;flex-shrink:0;padding:1px 6px;font-size:10px;font-weight:600}.msg-urgency-dot{border-radius:50%;flex-shrink:0;width:6px;height:6px}.msg-ai-summary{white-space:nowrap;text-overflow:ellipsis;color:var(--label-secondary);flex:1;font-size:12px;overflow:hidden}.ai-panel{background:var(--bg-secondary);border:1px solid var(--separator);border-radius:10px;flex-shrink:0;margin:0 24px;padding:12px 16px}.ai-panel-header{justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px;display:flex}.ai-panel-title{letter-spacing:.04em;text-transform:uppercase;color:var(--label-secondary);align-items:center;gap:5px;font-size:11px;font-weight:600;display:flex}.ai-panel-badges{flex-shrink:0;align-items:center;gap:5px;display:flex}.ai-badge{white-space:nowrap;border-radius:5px;padding:2px 8px;font-size:11px;font-weight:600}.ai-badge-category{color:var(--accent);background:#007aff1a}.ai-summary{color:var(--label-primary);margin-bottom:10px;font-size:13.5px;line-height:1.55}.ai-section-label{letter-spacing:.04em;text-transform:uppercase;color:var(--label-secondary);margin-bottom:6px;font-size:11px;font-weight:600}.ai-action-items{margin-bottom:10px}.ai-checklist{flex-direction:column;gap:5px;list-style:none;display:flex}.ai-check-item{color:var(--label-primary);align-items:flex-start;gap:8px;font-size:13px;display:flex}.ai-check-item.done 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12px;display:flex}.compose-title{font-size:16px;font-weight:600}.compose-close{background:var(--bg-hover);width:28px;height:28px;color:var(--label-secondary);border-radius:50%;justify-content:center;align-items:center;transition:background .12s;display:flex}.compose-close:hover{background:var(--separator)}.compose-fields{flex-shrink:0}.compose-field-row{border-bottom:1px solid var(--separator);align-items:center;gap:8px;padding:10px 20px;display:flex}.compose-label{color:var(--label-secondary);flex-shrink:0;width:72px;font-size:14px}.compose-input{color:var(--label-primary);background:0 0;border:none;outline:none;flex:1;font-size:14px}.compose-input::placeholder{color:var(--label-secondary)}.compose-cc-btn{color:var(--accent);padding:2px 6px;font-size:13px;font-weight:500}.compose-body{resize:none;background:0 0;border:none;outline:none;flex:1;min-height:160px;padding:16px 20px;font-size:14px;line-height:1.6}.compose-error{color:var(--red);padding:0 20px 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(width<=600px){.message-list{border-right:none;flex-shrink:0;width:100%}.reading-pane{inset:var(--topbar-h) 0 0 0;z-index:10;transition:transform .25s;position:absolute;transform:translate(100%)}.mail-columns.show-detail .reading-pane{transform:translate(0)}.compose-modal{border-radius:16px 16px 0 0;max-width:100%}}