:root{--bg: #f6f8fc;--surface: #ffffff;--surface-2: #f1f3f4;--surface-hover: #f5f6f7;--border: #dadce0;--border-soft: #e8eaed;--text: #202124;--text-muted: #5f6368;--text-faint: #80868b;--accent: #1a73e8;--accent-soft: #e8f0fe;--accent-text: #1967d2;--danger: #d93025;--success: #188038;--star: #f4b400;--shadow-1: 0 1px 2px rgba(60, 64, 67, .3), 0 1px 3px 1px rgba(60, 64, 67, .15);--shadow-2: 0 2px 6px 2px rgba(60, 64, 67, .15), 0 1px 2px rgba(60, 64, 67, .3);--radius: 8px;--radius-lg: 16px;--topbar-h: 60px;--status-h: 30px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif}@media(prefers-color-scheme:dark){:root{--bg: #17181a;--surface: #1f2023;--surface-2: #2a2b2e;--surface-hover: #292a2d;--border: #3c4043;--border-soft: #2f3134;--text: #e8eaed;--text-muted: #9aa0a6;--text-faint: #80868b;--accent: #8ab4f8;--accent-soft: #1f3350;--accent-text: #8ab4f8;--danger: #f28b82;--success: #81c995;--shadow-1: 0 1px 2px rgba(0, 0, 0, .6), 0 1px 3px 1px rgba(0, 0, 0, .4);--shadow-2: 0 2px 6px 2px rgba(0, 0, 0, .5), 0 1px 2px rgba(0, 0, 0, .6)}}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--font);font-size:14px;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}button{font-family:inherit;font-size:inherit;cursor:pointer}input,textarea{font-family:inherit;font-size:inherit;color:inherit}a{color:var(--accent-text)}.spacer{flex:1}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:0;border-radius:50%;background:transparent;color:var(--text-muted);text-decoration:none;transition:background .15s,color .15s}.icon-btn:hover:not(:disabled){background:var(--surface-2);color:var(--text)}.icon-btn:disabled{opacity:.35;cursor:default}.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:9px 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var(--border);border-radius:var(--radius);text-decoration:none;color:var(--text);background:var(--surface)}.attachment:hover{background:var(--surface-2)}.attachment-thumb{display:grid;place-items:center;width:100%;height:92px;margin-bottom:6px;border-radius:4px;background:var(--surface-2);object-fit:cover;color:var(--text-muted)}.attachment-name{display:block;font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attachment-size{display:block;font-size:11px;color:var(--text-faint)}.read-actions{display:flex;gap:10px;margin-top:26px}.compose{position:fixed;right:24px;bottom:0;z-index:60;width:min(560px,calc(100vw - 32px));display:flex;flex-direction:column;background:var(--surface);border-radius:var(--radius-lg) var(--radius-lg) 0 0;box-shadow:var(--shadow-2);overflow:hidden}.compose-min{width:300px}.compose-head{display:flex;align-items:center;gap:8px;padding:10px 12px;background:var(--surface-2);cursor:pointer}.compose-title{flex:1;font-size:14px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.compose-ctrl{border:0;background:none;color:var(--text-muted);padding:2px 6px;border-radius:4px;display:inline-flex}.compose-ctrl:hover{background:var(--border-soft)}.compose-body{display:flex;flex-direction:column;max-height:min(72vh,620px)}.compose-from{padding:10px 16px 4px;font-size:12px;color:var(--text-muted)}.compose-row{display:flex;align-items:center;gap:10px;padding:0 16px;border-bottom:1px solid var(--border-soft)}.compose-row label{width:48px;flex:none;color:var(--text-muted);font-size:13px}.compose-row input{flex:1;min-width:0;padding:10px 0;border:0;background:transparent;outline:none}.compose-text{flex:1;min-height:200px;padding:14px 16px;border:0;background:transparent;outline:none;resize:none;line-height:1.6}.compose-files{display:flex;flex-wrap:wrap;gap:6px;padding:0 16px 8px}.compose-file{display:inline-flex;align-items:center;gap:6px;padding:4px 8px;border:1px solid var(--border);border-radius:999px;font-size:12px;max-width:240px}.compose-file em{color:var(--text-faint);font-style:normal}.compose-file button{border:0;background:none;color:var(--text-muted);display:inline-flex;padding:0}.compose-file-total{align-self:center;font-size:12px;color:var(--text-faint)}.compose-foot{display:flex;align-items:center;gap:8px;padding:10px 16px;border-top:1px solid var(--border-soft)}.compose-hint{color:var(--text-faint);font-size:11px}.modal-backdrop{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:24px;background:#2021248c}.modal{width:min(100%,520px);max-height:85vh;overflow-y:auto;padding:24px;background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-2)}.activity-modal{width:min(100%,760px)}.modal-head{display:flex;align-items:center;gap:10px;margin-bottom:4px}.modal-head h2{margin:0;flex:1;font-size:18px;font-weight:500}.modal-sub{margin:0 0 18px;color:var(--text-muted);font-size:13px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:8px}.modal-foot-note{margin:16px 0 0;font-size:12px;color:var(--text-faint)}.settings-signature{resize:vertical;min-height:96px;line-height:1.6}.activity-current{padding:14px 16px;margin-bottom:18px;border-radius:var(--radius);background:var(--accent-soft)}.activity-current-label{font-size:12px;color:var(--accent-text)}.activity-current-ip{font-size:20px;font-variant-numeric:tabular-nums;margin:2px 0}.activity-current-meta{font-size:12px;color:var(--text-muted)}.activity-table-wrap{overflow-x:auto}.activity-table{width:100%;border-collapse:collapse;font-size:13px}.activity-table th{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);color:var(--text-muted);font-weight:500;white-space:nowrap}.activity-table td{padding:10px;border-bottom:1px solid var(--border-soft);vertical-align:top}.activity-ip{font-variant-numeric:tabular-nums;white-space:nowrap}.activity-rel{font-size:11px;color:var(--text-faint)}.activity-fail{color:var(--text-muted)}.badge{padding:2px 8px;border-radius:999px;font-size:11px;white-space:nowrap}.badge-ok{background:color-mix(in srgb,var(--success) 16%,transparent);color:var(--success)}.badge-fail{background:color-mix(in srgb,var(--danger) 16%,transparent);color:var(--danger)}.statusbar{display:flex;align-items:center;gap:10px;height:var(--status-h);padding:0 16px;flex:none;color:var(--text-muted);font-size:12px;border-top:1px solid var(--border-soft);background:var(--bg)}.statusbar strong{font-variant-numeric:tabular-nums;color:var(--text)}@media(max-width:640px){.statusbar{font-size:11px}}.toasts{position:fixed;left:24px;bottom:24px;z-index:90;display:flex;flex-direction:column;gap:8px}.toast{padding:12px 18px;border-radius:var(--radius);background:#323232;color:#fff;box-shadow:var(--shadow-2);font-size:13px;animation:rise .18s ease-out}.toast-error{background:var(--danger);color:#fff}@keyframes rise{0%{transform:translateY(8px);opacity:0}to{transform:translateY(0);opacity:1}}@media(prefers-reduced-motion:reduce){*,*:after{animation:none!important;transition:none!important}}