:root{--bg:#14171b;--panel:#1b1f25;--panel-2:#232833;--line:#333a46;--line-strong:#46505f;--text:#ece9e1;--text-soft:#c7c3b8;--muted:#8f97a3;--accent:#e15b3a;--gold:#d9a441;--teal:#38a89b;--danger:#ff7d66;--radius:8px}*{box-sizing:border-box}body,html{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:Microsoft YaHei,PingFang SC,Noto Sans SC,system-ui,sans-serif;letter-spacing:0;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit;letter-spacing:0}.app{display:flex;flex-direction:column;height:100vh;height:100dvh;overflow:hidden}.topbar{flex:none;height:58px;gap:14px;padding:0 18px;border-bottom:1px solid var(--line);background:#171b20}.brand,.topbar{display:flex;align-items:center}.brand{gap:11px;min-width:0}.brand-mark{width:34px;height:34px;flex:none;display:grid;place-items:center;border-radius:var(--radius);background:linear-gradient(135deg,var(--accent),#c24a2e);color:#fff}.brand-copy{display:flex;flex-direction:column;min-width:0}.brand-name{font-size:15px;font-weight:700;line-height:1.2}.brand-sub{font-size:11px;color:var(--muted);line-height:1.3}.topbar-spacer{flex:1 1}.status{display:flex;align-items:center;gap:8px;height:30px;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:var(--panel);color:var(--muted);font-size:12px;white-space:nowrap}.status-dot{width:7px;height:7px;flex:none;border-radius:50%;background:#6b7480}.status.is-live .status-dot{background:var(--teal);box-shadow:0 0 0 3px rgba(56,168,155,.18);animation:pulse 1.4s ease-in-out infinite}.status.is-error{color:var(--danger);border-color:rgba(255,125,102,.35)}.status.is-error .status-dot{background:var(--danger)}.icon-btn{width:34px;height:34px;flex:none;display:grid;place-items:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);color:var(--text-soft);cursor:pointer;transition:border-color .15s,color .15s,background .15s}.icon-btn:hover:not(:disabled){border-color:var(--line-strong);color:var(--text);background:var(--panel-2)}.icon-btn:disabled{opacity:.45;cursor:default}.icon-btn.is-copied{border-color:var(--teal);color:var(--teal)}.workspace{flex:1 1;min-height:0;display:grid;grid-template-columns:340px minmax(0,1fr)}.sidebar{min-height:0;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;border-right:1px solid var(--line);background:#191d23}.sidebar>*{flex:none}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:13px;display:flex;flex-direction:column;gap:9px}.field-label{font-size:12px;font-weight:600;color:var(--text-soft)}input,select,textarea{width:100%;background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:var(--radius);padding:10px 11px;font-size:13px;line-height:1.6;outline:none;transition:border-color .15s,box-shadow .15s}textarea{resize:vertical;min-height:190px}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(225,91,58,.14)}.primary-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;height:40px;border:none;border-radius:var(--radius);background:var(--accent);color:#fff;font-size:14px;font-weight:700;cursor:pointer;transition:background .15s,transform .1s}.primary-btn:hover{background:#ef6a48}.primary-btn:active{transform:translateY(1px)}.primary-btn.stop{background:var(--panel-2);border:1px solid var(--line-strong);color:var(--text)}.primary-btn.stop:hover{border-color:var(--danger);color:var(--danger);background:var(--panel-2)}.error-box{background:rgba(255,125,102,.1);border:1px solid rgba(255,125,102,.35);color:#ffb3a5;border-radius:var(--radius);padding:10px 12px;font-size:12.5px;line-height:1.55;word-break:break-word}.reader{flex-direction:column;min-width:0;background:var(--bg)}.reader,.reader-scroll{display:flex;min-height:0}.reader-scroll{flex:1 1;overflow-y:auto;padding:30px clamp(18px,5vw,64px) 48px;justify-content:center;scroll-behavior:smooth}.story-col{width:100%;max-width:720px}.story-frame{background:rgba(27,31,37,.55);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px 18px}.story-toolbar{display:flex;align-items:center;gap:10px;margin-bottom:12px}.story-label{font-size:12px;font-weight:600;color:var(--muted)}.story-toolbar-spacer{flex:1 1}.edit-btn{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 10px;border:1px solid var(--line);border-radius:6px;background:var(--panel);color:var(--text-soft);font-size:12px;cursor:pointer;transition:border-color .15s,color .15s,background .15s}.edit-btn:hover:not(:disabled){border-color:var(--gold);color:var(--gold)}.edit-btn.is-active{border-color:var(--teal);color:var(--teal)}.edit-btn:disabled{opacity:.5;cursor:default}.story-body{min-width:0}.story-text{margin:0 0 18px;font-size:17.5px;line-height:1.95;color:#f1ede4;white-space:pre-wrap;overflow-wrap:anywhere}.story-editor,.story-text{font-family:Songti SC,"Noto Serif SC",STSong,Georgia,serif}.story-editor{width:100%;min-height:320px;resize:vertical;background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:6px;padding:12px 14px;font-size:16.5px;line-height:1.9;outline:none;transition:border-color .15s,box-shadow .15s}.story-editor:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(217,164,65,.12)}.choice-marker{display:block;margin:6px 0 18px;padding:10px 14px;border-left:3px solid var(--gold);border-radius:0 6px 6px 0;background:rgba(217,164,65,.08);color:#e8c97f;font-size:14px;line-height:1.7;word-break:break-word}.stream-caret{display:inline-block;width:2px;height:1.1em;margin-left:3px;background:var(--accent);vertical-align:-.15em;animation:blink 1s steps(2,start) infinite}.choices{display:grid;grid-gap:10px;gap:10px;margin-top:26px;padding-top:20px;border-top:1px solid var(--line)}.choices-label{display:flex;align-items:center;gap:10px;font-size:12px;font-weight:600;color:var(--muted)}.choices-label-line{flex:1 1;height:1px;background:var(--line)}.choice-card{display:flex;gap:10px;align-items:flex-start;width:100%;padding:10px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);transition:border-color .15s,background .15s}.choice-card:focus-within{border-color:var(--gold);background:var(--panel-2)}.choice-input{flex:1 1;min-width:0;min-height:56px;resize:none;background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:6px;padding:8px 10px;font-size:14.5px;line-height:1.6;outline:none;transition:border-color .15s,box-shadow .15s}.choice-input:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(217,164,65,.12)}.choice-submit{width:32px;height:32px;flex:none;display:grid;place-items:center;border:1px solid var(--line);border-radius:6px;background:var(--panel-2);color:var(--text-soft);cursor:pointer;transition:border-color .15s,color .15s,background .15s;margin-top:10px}.choice-submit:hover:not(:disabled){border-color:var(--accent);color:var(--accent);background:rgba(225,91,58,.12)}.choice-submit:disabled{opacity:.45;cursor:default}.choice-num{width:24px;height:24px;flex:none;display:grid;place-items:center;border-radius:6px;background:var(--accent);color:#fff;font-size:12.5px;font-weight:700;margin-top:1px}.choice-num.custom{background:transparent;border:1px solid var(--gold);color:var(--gold)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:46vh;gap:16px;text-align:center;color:var(--muted)}.empty-mark{width:58px;height:58px;display:grid;place-items:center;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);color:var(--gold)}.empty-state.is-live .empty-mark{color:var(--teal);animation:pulse-soft 1.5s ease-in-out infinite}.empty-state p{margin:0;font-size:14px}.story-frame .empty-state{min-height:38vh}.auth-chip{display:flex;align-items:center;gap:8px;height:34px;padding:0 6px 0 8px;border:1px solid var(--line);border-radius:999px;background:var(--panel)}.auth-avatar{width:24px;height:24px;flex:none;border-radius:50%;object-fit:cover}.auth-avatar.auth-fallback{display:grid;place-items:center;background:var(--panel-2);color:var(--gold);font-size:12px;font-weight:700}.auth-name{max-width:140px;overflow:hidden;text-overflow:ellipsis;color:var(--text-soft)}.auth-name,.login-btn{white-space:nowrap;font-size:12.5px}.login-btn{display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 13px;border:1px solid var(--line-strong);border-radius:999px;background:var(--panel);color:var(--text);text-decoration:none;transition:border-color .15s,color .15s,background .15s}.login-btn:hover{border-color:var(--teal);color:var(--teal);background:var(--panel-2)}.save-state{font-size:11.5px;color:var(--muted);white-space:nowrap}.save-state.is-done{color:var(--teal)}.save-state.is-error{color:var(--danger)}@keyframes blink{0%,49%{opacity:1}50%,to{opacity:0}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.45}}@keyframes pulse-soft{0%,to{transform:scale(1)}50%{transform:scale(1.06)}}@media (max-width:860px){.workspace{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr)}.sidebar{max-height:42vh;border-right:none;border-bottom:1px solid var(--line)}.reader-scroll{padding:24px 18px 40px}.story-text{font-size:16.5px}}