:root{--bg:#0b0b0f;--panel:#14141b;--panel-2:#1c1c26;--line:#2a2a36;--fg:#e9e9f0;--muted:#8b8b9c;--accent:#a99bff;--danger:#ff6b6b;--ok:#4ade80;color-scheme:dark}:root[data-theme=light]{--bg:#f4f4f8;--panel:#ffffff;--panel-2:#ededf3;--line:#d9d9e3;--fg:#1b1b26;--muted:#70707f;--accent:#6c5ce7;--danger:#d64545;--ok:#178a4c;color-scheme:light}:root[data-theme=light] button.primary{color:#fff}:root[data-theme=light] .bubble.mine{background:var(--accent);color:#fff}:root[data-theme=light] .bubble.mine .time{color:rgba(255,255,255,.75)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,Segoe UI,Hiragino Sans,Noto Sans JP,sans-serif;font-size:14px}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer;border-radius:8px;border:1px solid var(--line);background:var(--panel-2);color:var(--fg);padding:8px 14px}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:#17131f;font-weight:600}button.danger{color:var(--danger);border-color:#4a2530}input,select,textarea{font:inherit;background:var(--panel-2);border:1px solid var(--line);color:var(--fg);border-radius:8px;padding:9px 12px;width:100%}input:focus,textarea:focus{outline:none;border-color:var(--accent)}.shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{border-right:1px solid var(--line);background:var(--panel);padding:20px 14px;position:-webkit-sticky;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:6px}.brand{font-size:20px;letter-spacing:4px;margin:4px 8px 18px}.nav-item{padding:9px 12px;border-radius:8px;color:var(--muted)}.nav-item.active,.nav-item:hover{background:var(--panel-2);color:var(--fg)}.nav-item.active{box-shadow:inset 2px 0 0 var(--accent)}.content{padding:28px 32px;max-width:1100px}h1{font-size:20px;font-weight:600;margin:0 0 4px}.subtitle{color:var(--muted);margin:0 0 22px}.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px}.list{flex-direction:column;gap:10px}.list,.row{display:flex}.row{align-items:center;justify-content:space-between;gap:16px}.muted,.tag{color:var(--muted)}.tag{font-size:11px;padding:3px 8px;border-radius:999px;border:1px solid var(--line)}.tag.open{color:var(--danger);border-color:#4a2530}.tag.done{color:var(--ok);border-color:#23422f}.tag.premium{color:var(--accent);border-color:#38326b}.error{color:var(--danger)}.center{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:100%;max-width:380px;gap:12px}.bubbles,.login-card{display:flex;flex-direction:column}.bubbles{gap:8px;height:55vh;overflow-y:auto;padding:8px 4px}.bubble{max-width:70%;padding:9px 13px;border-radius:14px;background:var(--panel-2);white-space:pre-wrap;word-break:break-word}.bubble.mine{align-self:flex-end;background:#3b3577}.bubble.sticker,.bubble.sticker.mine{background:transparent;padding:0;max-width:none}.bubble .time{display:block;font-size:10px;color:var(--muted);margin-top:4px}.quote{display:flex;align-items:center;gap:8px;margin-bottom:6px;padding:6px 8px;border-left:3px solid var(--accent);border-radius:6px;background:rgba(127,127,127,.12);white-space:normal}.quote.jumpable{cursor:pointer}.quote.jumpable:hover{background:rgba(127,127,127,.2)}.quote-body{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1 1}.quote-name{font-size:11px;font-weight:600;color:var(--accent)}.quote-preview{font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.quote-close{padding:0 6px;font-size:14px;line-height:1.4;background:transparent;border:none;color:var(--muted)}.bubble.flash{outline:2px solid var(--accent);transition:outline-color .4s ease}.ctx-menu{position:fixed;min-width:160px;padding:4px;display:flex;flex-direction:column;background:var(--panel-2);border:1px solid var(--line);border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.35)}.ctx-menu button{border:none;background:transparent;text-align:left;padding:8px 12px;border-radius:6px;font-size:13px}.ctx-menu button:hover:not(:disabled){border:none;background:rgba(127,127,127,.15)}.ctx-menu button.danger{color:#e5484d}