:root{--bg: #f7f8fa;--panel: #ffffff;--border: #e5e7eb;--text: #111827;--muted: #6b7280;--accent: #0ea5e9;--accent-soft: #e0f2fe;--danger: #ef4444;--success: #10b981;--warn: #f59e0b;--shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 1px 3px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -2px rgba(0, 0, 0, .04);--radius: 10px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Roboto, sans-serif;--mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--font);font-size:14px;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer;border:1px solid var(--border);background:var(--panel);border-radius:8px;padding:6px 12px;color:var(--text);transition:all .15s ease}button:hover{background:#f3f4f6}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}button.primary:hover{background:#0284c7}button.danger{background:var(--danger);color:#fff;border-color:var(--danger)}input,select{font:inherit;border:1px solid var(--border);background:var(--panel);border-radius:8px;padding:8px 12px;color:var(--text);outline:none;transition:border-color .15s ease}input:focus,select:focus{border-color:var(--accent)}.app{display:flex;flex-direction:column;min-height:100%}.topbar{display:flex;align-items:center;gap:16px;padding:14px 24px;background:var(--panel);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.topbar h1{font-size:18px;margin:0;font-weight:600}.topbar .grow{flex:1}.topbar .meta{color:var(--muted);font-size:12px}.account-tabs{display:flex;gap:6px;align-items:center;padding:10px 24px 0;background:var(--panel);border-bottom:1px solid var(--border);overflow-x:auto;white-space:nowrap}.account-tabs .tab{display:inline-flex;align-items:center;gap:8px;border:1px solid transparent;background:transparent;padding:8px 14px;border-radius:8px 8px 0 0;font-size:13px;color:var(--muted);border-bottom:2px solid transparent}.account-tabs .tab:hover{background:#f3f4f6;color:var(--text)}.account-tabs .tab.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}.account-tabs .tab-count{font-size:11px;padding:1px 7px;border-radius:999px;background:#f3f4f6;color:var(--muted);font-variant-numeric:tabular-nums}.account-tabs .tab.active .tab-count{background:var(--accent-soft);color:var(--accent)}.email-card .account-pill{font-size:11px;padding:2px 8px;border-radius:999px;background:#fef3c7;color:#92400e;font-weight:500}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;padding:16px 24px}.stat-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:12px 16px;box-shadow:var(--shadow)}.stat-card .label{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.5px}.stat-card .value{font-size:22px;font-weight:600;margin-top:4px}.toolbar{display:flex;gap:8px;align-items:center;padding:0 24px 12px}.toolbar input{flex:1;max-width:480px}.toolbar .spacer{flex:1}.list{padding:0 24px 24px;display:grid;gap:8px}.email-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:14px 18px;box-shadow:var(--shadow);cursor:pointer;transition:all .15s ease;display:grid;grid-template-columns:1fr auto;gap:8px 16px;align-items:center}.email-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-1px)}.email-card .platform{display:inline-block;font-size:11px;padding:2px 8px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:600}.email-card .platform.unknown{background:#f3f4f6;color:var(--muted)}.email-card .subject{font-weight:600;font-size:14px}.email-card .from{color:var(--muted);font-size:12px}.email-card .date{color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}.email-card .meta-row{grid-column:1 / -1;display:flex;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:12px;margin-top:2px}.email-card .meta-row .chip{background:#f3f4f6;padding:2px 8px;border-radius:4px;font-family:var(--mono)}.detail{padding:24px;max-width:1000px;margin:0 auto}.detail .back{color:var(--accent);cursor:pointer;display:inline-block;margin-bottom:12px}.detail .head{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px 22px;box-shadow:var(--shadow);margin-bottom:16px}.detail .head h2{margin:0 0 8px;font-size:18px}.detail .head .row{color:var(--muted);font-size:13px;margin:2px 0}.detail .head .row strong{color:var(--text)}.detail .body{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px 22px;box-shadow:var(--shadow);white-space:pre-wrap;font-family:var(--mono);font-size:13px;line-height:1.6;max-height:60vh;overflow:auto}.empty{text-align:center;color:var(--muted);padding:60px 20px}.empty .icon{font-size:48px;margin-bottom:8px}@media (max-width: 640px){.topbar{padding:12px 16px}.stats,.toolbar,.list,.detail{padding-left:16px;padding-right:16px}.email-card{grid-template-columns:1fr}.email-card .date{justify-self:start}}