:root{--purple:#7c3aed;--purple-deep:#5b21b6;--purple-soft:#c4b5fd;--purple-glow:#7c3aed14;--ink:#1a1720;--ink-soft:#302840;--ink-muted:#5e5572;--ink-faint:#908799;--cream:#faf9fc;--white:#fff;--border:#e8e4ef;--success:#0f9d58;--warning:#f59e0b;--danger:#ef4444}[data-theme=dark]{--purple:#a78bfa;--purple-deep:#7c3aed;--purple-soft:#4c1d95;--purple-glow:#a78bfa1a;--ink:#e8e4ef;--ink-soft:#d1cdd8;--ink-muted:#908799;--ink-faint:#5e5572;--cream:#0f0d13;--white:#1a1720;--border:#302840;--success:#34d399;--warning:#fbbf24;--danger:#f87171}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--cream);color:var(--ink);height:100vh;font-family:Outfit,system-ui,sans-serif;transition:background .3s,color .3s;overflow:hidden}h1,h2,h3,h4,h5,h6{font-family:Plus Jakarta Sans,sans-serif}.app{grid-template-rows:56px 1fr;grid-template-columns:220px 1fr;height:100vh;display:grid}.topbar{background:var(--white);border-bottom:1px solid var(--border);grid-column:1/-1;align-items:center;gap:16px;padding:0 20px;transition:background .3s;display:flex}.topbar-logo{opacity:.9;height:28px}[data-theme=dark] .topbar-logo{filter:brightness(1.5)}.topbar-brand{color:var(--ink);margin-left:-8px;font-family:Plus Jakarta Sans,sans-serif;font-size:16px;font-weight:600}.topbar-search{flex:1;max-width:480px;margin:0 auto;position:relative}.topbar-search input{border:1px solid var(--border);background:var(--cream);width:100%;color:var(--ink);border-radius:8px;outline:none;padding:8px 16px 8px 36px;font-family:Outfit,sans-serif;font-size:14px;transition:all .3s}.topbar-search input:focus{border-color:var(--purple);background:var(--white)}.topbar-search:before{content:"⌕";color:var(--ink-muted);font-size:16px;position:absolute;top:50%;left:12px;transform:translateY(-50%)}.search-clear{color:var(--ink-muted);cursor:pointer;background:0 0;border:none;border-radius:4px;padding:4px 6px;font-size:14px;line-height:1;position:absolute;top:50%;right:8px;transform:translateY(-50%)}.search-clear:hover{color:var(--ink);background:var(--hover)}.topbar-right{align-items:center;gap:12px;display:flex}.theme-toggle{border:1px solid var(--border);background:var(--cream);width:32px;height:32px;color:var(--ink-muted);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;font-size:16px;transition:background .3s;display:flex}.theme-toggle:hover{background:var(--purple-glow)}.topbar-avatar{background:var(--purple);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:14px;font-weight:600;display:flex}.sidebar{background:var(--white);border-right:1px solid var(--border);padding:12px 0;transition:background .3s;overflow-y:auto}.compose-btn{background:var(--purple);color:#fff;cursor:pointer;border:none;border-radius:10px;justify-content:center;align-items:center;gap:8px;width:calc(100% - 24px);margin:0 12px 12px;padding:10px 16px;font-family:Plus Jakarta Sans,sans-serif;font-size:14px;font-weight:600;transition:background .3s;display:flex}.compose-btn:hover{background:var(--purple-deep)}.sidebar-section{margin-bottom:16px}.sidebar-section-title{text-transform:uppercase;letter-spacing:1px;color:var(--ink-faint);margin-bottom:4px;padding:0 16px;font-size:11px;font-weight:600}.sidebar-item{cursor:pointer;color:var(--ink-soft);align-items:center;gap:10px;padding:6px 16px;font-size:14px;transition:background .3s;display:flex}.sidebar-item:hover{background:var(--purple-glow)}.sidebar-item.active{background:var(--purple-glow);color:var(--purple);font-weight:500}.sidebar-item .icon{text-align:center;width:18px;font-size:15px}.sidebar-item .badge{background:var(--purple);color:#fff;border-radius:10px;margin-left:auto;padding:2px 7px;font-size:11px;font-weight:600}.sidebar-item .badge.muted{background:var(--border);color:var(--ink-muted)}.accounts-section{border-bottom:1px solid var(--border);margin-bottom:12px;padding:0 12px 12px}.account-item{cursor:pointer;color:var(--ink-soft);border-radius:6px;align-items:center;gap:8px;padding:6px 8px;font-size:13px;transition:background .3s;display:flex}.account-item:hover{background:var(--purple-glow)}.account-item.active{background:var(--purple-glow);color:var(--purple);font-weight:500}.account-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px;display:inline-block}.account-dot.combined{background:linear-gradient(135deg,#7c3aed,#3b82f6,#f59e0b)}.account-dot.nayan{background:#7c3aed}.account-dot.hachi{background:#f59e0b}.account-dot.personal{background:#3b82f6}.account-dot.georgetown{background:#6b7280}.add-account{color:var(--ink-faint);cursor:pointer;align-items:center;gap:6px;padding:4px 8px;font-size:12px;display:flex}.add-account:hover{color:var(--purple)}.main-area{flex-direction:column;display:flex;overflow:hidden}.main-tabs{background:var(--white);border-bottom:1px solid var(--border);flex-shrink:0;gap:0;padding:0 16px;transition:background .3s;display:flex}.main-tab{color:var(--ink-muted);cursor:pointer;border-bottom:2px solid #0000;padding:12px 20px;font-family:Plus Jakarta Sans,sans-serif;font-size:14px;font-weight:500;transition:all .3s}.main-tab:hover{color:var(--ink)}.main-tab.active{color:var(--purple);border-bottom-color:var(--purple);font-weight:600}.tab-content{flex:1;display:none;overflow:hidden}.tab-content.active{display:flex}.thread-list{background:var(--white);border-right:1px solid var(--border);flex:1;min-width:0;transition:all .3s;overflow-y:auto}.thread-list.compressed{flex:0 0 380px}.thread-list-header{border-bottom:1px solid var(--border);background:var(--white);z-index:10;justify-content:space-between;align-items:center;padding:12px 16px;transition:background .3s;display:flex;position:sticky;top:0}.thread-list-header h2{font-family:Plus Jakarta Sans,sans-serif;font-size:15px;font-weight:600}.thread-item{border-bottom:1px solid var(--border);cursor:pointer;padding:14px 16px;transition:background .3s;position:relative}.thread-item:hover{background:var(--purple-glow)}.thread-item.active{background:var(--purple-glow);border-left:3px solid var(--purple)}.thread-item.unread .thread-sender-name{color:var(--ink);font-weight:600}.thread-item.unread .thread-subject{color:var(--ink);font-weight:500}.thread-item.unread:before{content:"";background:var(--purple);border-radius:50%;width:8px;height:8px;position:absolute;top:50%;left:6px;transform:translateY(-50%)}.thread-sender{color:var(--ink-soft);justify-content:space-between;margin-bottom:2px;font-size:13px;display:flex}.thread-sender-name{align-items:center;gap:6px;display:flex}.thread-time{color:var(--ink-faint);font-size:11px}.thread-subject{color:var(--ink-soft);white-space:nowrap;text-overflow:ellipsis;margin-bottom:3px;font-size:14px;overflow:hidden}.thread-snippet{color:var(--ink-muted);white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}.placeholder-content{height:100%;color:var(--ink-faint);flex-direction:column;justify-content:center;align-items:center;gap:8px;font-size:15px;display:flex}.placeholder-content .placeholder-icon{opacity:.4;font-size:48px}.reading-pane{background:var(--cream);flex:1;min-width:0;transition:background .3s;display:none;position:relative;overflow-y:auto}.reading-pane.open{display:block}.reading-back-bar{z-index:20;background:var(--white);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:8px 16px;transition:background .3s;display:flex;position:sticky;top:0}.reading-back-btn{border:1px solid var(--border);color:var(--ink-soft);cursor:pointer;background:0 0;border-radius:8px;align-items:center;gap:6px;padding:6px 14px;font-family:Outfit,sans-serif;font-size:13px;font-weight:500;transition:all .3s;display:flex}.reading-back-btn:hover{background:var(--purple-glow);color:var(--purple);border-color:var(--purple-soft)}.reading-close-x{border:1px solid var(--border);background:var(--white);width:36px;height:36px;color:var(--ink-muted);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;font-size:20px;font-weight:500;transition:all .3s;display:flex}.reading-close-x:hover{background:var(--purple-glow);color:var(--purple);border-color:var(--purple-soft)}.reading-header{background:var(--white);border-bottom:1px solid var(--border);padding:24px 32px 16px;transition:background .3s;position:relative}.reading-subject{color:var(--ink);margin-bottom:12px;font-family:Plus Jakarta Sans,sans-serif;font-size:20px;font-weight:600;line-height:1.3}.reading-meta{align-items:center;gap:12px;display:flex}.reading-avatar{background:linear-gradient(135deg, var(--purple-soft), var(--purple));color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:16px;font-weight:600;display:flex}.reading-from{flex:1}.reading-from-name{color:var(--ink);font-size:14px;font-weight:600}.reading-from-email{color:var(--ink-muted);font-size:12px}.reading-date{color:var(--ink-faint);font-size:12px}.reading-body{background:var(--white);border:1px solid var(--border);color:var(--ink-soft);border-radius:12px;margin:16px 24px;padding:24px 32px;font-size:15px;line-height:1.7;transition:background .3s}.reply-box{background:var(--white);border:1px solid var(--border);border-radius:10px;margin:0 24px 24px;padding:16px 18px;transition:background .3s}.reply-box textarea{width:100%;color:var(--ink-soft);resize:none;background:0 0;border:none;outline:none;min-height:60px;font-family:Outfit,sans-serif;font-size:14px;line-height:1.6}.reply-box-actions{justify-content:space-between;align-items:center;margin-top:10px;display:flex}.reply-send{background:var(--purple);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:8px 20px;font-family:Plus Jakarta Sans,sans-serif;font-size:13px;font-weight:600;transition:background .3s}.reply-send:hover{background:var(--purple-deep)}.reply-ai{color:var(--purple);cursor:pointer;font-size:12px;font-weight:500}