:root{color-scheme:dark;--bg-1:#0b0d13;--card:#141824;--panel:#1a1f2e;--panel-2:#212739;--border:#2b3245;--border-soft:#232a3b;--text:#e9ecf3;--muted:#98a2b6;--accent:#5b8cff;--accent-2:#3f6fe6;--accent-glow:#5b8cff44;--user:#24314e;--user-border:#34426a;--assistant:#1c2130;--ok:#3ddc97;--ok-ink:#06281c;--bad:#ff6b6b;--pill-bg:#1d2740;--pill-border:#33477a;--pill-ink:#b9ccff;--grad-a:#1b2036;--grad-b:#221a3a;--shadow:0 30px 80px -30px #000000cc,0 0 0 1px #ffffff08 inset;--toast-bg:#1a2030}@media (prefers-color-scheme:light){:root:not([data-theme=dark]){color-scheme:light;--bg-1:#eef1f6;--card:#ffffff;--panel:#f4f6fa;--panel-2:#eef1f7;--border:#d5dbe6;--border-soft:#e4e8ef;--text:#1a1f2b;--muted:#5c6675;--accent:#3565e6;--accent-2:#2a54c8;--accent-glow:#3565e633;--user:#dbe6ff;--user-border:#b9ccf7;--assistant:#f1f4f9;--ok:#0f9d68;--ok-ink:#ffffff;--bad:#d64545;--pill-bg:#e8eefc;--pill-border:#c3d3f5;--pill-ink:#2a54c8;--grad-a:#dce6ff;--grad-b:#e8e2ff;--shadow:0 20px 50px -25px #5566aa55,0 0 0 1px #00000008 inset;--toast-bg:#ffffff}}:root[data-theme=light]{color-scheme:light;--bg-1:#eef1f6;--card:#ffffff;--panel:#f4f6fa;--panel-2:#eef1f7;--border:#d5dbe6;--border-soft:#e4e8ef;--text:#1a1f2b;--muted:#5c6675;--accent:#3565e6;--accent-2:#2a54c8;--accent-glow:#3565e633;--user:#dbe6ff;--user-border:#b9ccf7;--assistant:#f1f4f9;--ok:#0f9d68;--ok-ink:#ffffff;--bad:#d64545;--pill-bg:#e8eefc;--pill-border:#c3d3f5;--pill-ink:#2a54c8;--grad-a:#dce6ff;--grad-b:#e8e2ff;--shadow:0 20px 50px -25px #5566aa55,0 0 0 1px #00000008 inset;--toast-bg:#ffffff}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%}body{color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.55;background:radial-gradient(1200px 800px at 15% -10%,var(--grad-a) 0,transparent 55%),radial-gradient(1000px 700px at 110% 10%,var(--grad-b) 0,transparent 50%),var(--bg-1)}.icon{flex:none;vertical-align:-.15em}.page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.theme-switch{position:fixed;top:14px;right:14px;z-index:100;display:flex;gap:2px;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:3px;box-shadow:var(--shadow)}.theme-opt{display:inline-flex;align-items:center;gap:5px;border:none;background:transparent;color:var(--muted);font-size:12.5px;padding:5px 10px;border-radius:7px;cursor:pointer;transition:background .15s,color .15s}.theme-opt:hover{color:var(--text)}.theme-opt.active{background:var(--accent-2);color:#fff}.app-wrap{position:relative;width:100%;max-width:1040px}.app{width:100%;height:min(92vh,880px);display:grid;grid-template-columns:260px 1fr;background:var(--card);border:1px solid var(--border);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}.sidebar{border-right:1px solid var(--border-soft);background:var(--panel);padding:22px 16px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;min-height:0}.brand h1{display:flex;align-items:center;gap:8px;font-size:16px;margin:0 0 4px;letter-spacing:-.01em}.brand h1 .icon{color:var(--accent)}.brand .sub{color:var(--muted);font-size:12.5px;margin:0}.progress{background:var(--card);border:1px solid var(--border-soft);border-radius:12px;padding:10px 12px}.progress-label{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:8px}.progress-bar{height:8px;background:var(--panel-2);border-radius:999px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent-2),var(--ok));border-radius:999px;transition:width .4s ease}.levels{display:flex;flex-direction:column;gap:8px}.level-btn{display:flex;align-items:center;gap:10px;width:100%;text-align:left;background:var(--card);color:var(--text);border:1px solid var(--border-soft);border-radius:12px;padding:10px 12px;cursor:pointer;font-size:14px;transition:transform .12s ease,border-color .15s,background .15s}.level-btn:hover{border-color:var(--accent);transform:translateY(-1px)}.level-btn.active{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.level-btn .dot{flex:0 0 22px;height:22px;border-radius:999px;display:grid;place-items:center;font-size:12px;font-weight:700;background:var(--panel-2);color:var(--muted);border:1px solid var(--border)}.level-btn.done .dot{background:var(--ok);color:var(--ok-ink);border-color:transparent}.level-name{font-weight:500}.sidebar-divider{height:1px;background:var(--border-soft)}.sidebar-divider.push{margin-top:auto}.new-game{display:flex;align-items:center;justify-content:center;gap:8px;background:var(--card);color:var(--muted);border:1px solid var(--border-soft);border-radius:12px;padding:10px;cursor:pointer;font-size:13px;transition:color .15s,border-color .15s}.new-game:hover{color:var(--text);border-color:var(--accent)}.main{position:relative;display:flex;flex-direction:column;min-width:0;min-height:0;overflow:hidden}.header{padding:16px 20px 14px;border-bottom:1px solid var(--border-soft);background:var(--card);flex:none}.header-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.header-top h2{margin:0;font-size:17px;letter-spacing:-.01em}.level-title{display:inline-flex;align-items:center;gap:8px}.title-check{color:var(--ok)}.header-actions{display:flex;align-items:center;gap:10px}.btn-icon{display:inline-flex;align-items:center;justify-content:center;width:32px;height:30px;background:transparent;border:1px solid var(--border);color:var(--muted);border-radius:9px;cursor:pointer;transition:color .15s,border-color .15s}.btn-icon:hover{color:var(--text);border-color:var(--accent)}.btn-clear{display:inline-flex;align-items:center;gap:6px;background:transparent;border:1px solid var(--border);color:var(--muted);border-radius:9px;padding:6px 10px;font-size:12.5px;cursor:pointer;transition:border-color .15s,color .15s}.btn-clear:hover:not(:disabled){border-color:var(--accent);color:var(--text)}.toggle{display:inline-flex;align-items:center;gap:8px;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;font-size:12.5px;color:var(--muted)}.toggle input{position:absolute;opacity:0;pointer-events:none}.toggle .track{width:38px;height:22px;border-radius:999px;background:var(--panel-2);border:1px solid var(--border);position:relative;transition:background .2s}.toggle .thumb{position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:999px;background:var(--muted);transition:transform .2s,background .2s}.toggle input:checked+.track{background:var(--accent-2);border-color:var(--accent-2)}.toggle input:checked+.track .thumb{transform:translateX(16px);background:#fff}.story{color:var(--muted);font-size:13.5px;margin:10px 0 0;max-width:70ch;transition:filter .2s ease}.story.spoiler{filter:blur(5px);-webkit-user-select:none;-moz-user-select:none;user-select:none}.goal{display:flex;align-items:center;gap:6px;margin:12px 0 0;font-size:13px;font-weight:600;color:var(--text)}.goal .icon{color:var(--accent-2);flex-shrink:0}.reveal{margin-top:12px;animation:fade-in .2s ease}.pills{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 0}.pill{display:inline-flex;align-items:center;gap:6px;min-height:22px;font-size:12px;color:var(--pill-ink);background:var(--pill-bg);border:1px solid var(--pill-border);border-radius:999px;padding:3px 11px}.pill-label{transition:filter .2s ease}.pills.spoiler .pill-label{filter:blur(4px);-webkit-user-select:none;-moz-user-select:none;user-select:none}.hint{display:flex;align-items:flex-start;gap:8px;margin:0;font-size:13.5px;color:var(--text);background:var(--panel);border:1px solid var(--border-soft);border-left:3px solid var(--accent);border-radius:8px;padding:9px 12px}.hint .icon{color:var(--accent);margin-top:2px}.content{gap:14px;padding:16px 18px 18px}.chat-card,.content{flex:1 1 auto;min-height:0;display:flex;flex-direction:column;overflow:hidden}.chat-card{background:var(--card);border:1px solid var(--border);border-radius:14px}.chat-card-header{flex:none;display:flex;align-items:center;justify-content:space-between;padding:8px 10px 8px 14px;border-bottom:1px solid var(--border-soft);background:var(--panel)}.chat-card-title{font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.messages{flex:1 1 auto;min-height:0;overflow-y:auto;overflow-x:hidden;padding:16px;display:flex;flex-direction:column;gap:12px}.empty{color:var(--muted);text-align:center;margin:auto;max-width:40ch}.msg{max-width:80%;padding:11px 14px;border-radius:16px;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;animation:fade-in .2s ease}.msg.user{align-self:flex-end;background:var(--user);border:1px solid var(--user-border);border-bottom-right-radius:5px}.msg.assistant{align-self:flex-start;background:var(--assistant);border:1px solid var(--border);border-bottom-left-radius:5px}.msg.loading{color:var(--muted);font-style:italic}.chat-input-row{flex:none;display:flex;gap:10px;padding:10px;border-top:1px solid var(--border-soft);background:var(--panel)}.msg-input{flex:1 1;min-width:0;background:var(--card);border:1px solid var(--border);border-radius:10px;color:var(--text);padding:11px 14px;font-size:14px;outline:none;transition:border-color .15s}.msg-input:focus{border-color:var(--accent)}.btn-send{border:none;border-radius:10px;padding:11px 20px;font-size:14px;font-weight:600;cursor:pointer;background:var(--accent-2);color:#fff;transition:filter .15s}.btn-send:hover:not(:disabled){filter:brightness(1.1)}.flag-card{flex:none;display:flex;flex-direction:column;gap:8px;margin:0 -18px;padding:14px 18px 0;border-top:1px solid var(--border-soft)}.flag-section-title{gap:6px;font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.flag-row,.flag-section-title{display:flex;align-items:center}.flag-row{gap:10px;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:6px 6px 6px 12px}.flag-row:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.flag-input{flex:1 1;min-width:0;background:transparent;border:none;color:var(--text);font-size:14px;outline:none;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.flag-input::placeholder{color:var(--muted);font-family:system-ui,sans-serif}.btn-submit{border:none;border-radius:9px;padding:9px 16px;font-size:14px;font-weight:700;cursor:pointer;background:var(--accent-2);color:#fff;white-space:nowrap;transition:filter .15s}.btn-submit:hover{filter:brightness(1.1)}button:disabled{opacity:.45;cursor:not-allowed}.toast{position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:8px;max-width:calc(100% - 36px);white-space:nowrap;background:var(--toast-bg);border:1px solid var(--border);border-radius:12px;padding:10px 16px;font-size:13.5px;box-shadow:var(--shadow);z-index:20;animation:toast-in .2s ease}.toast.ok{border-left:3px solid var(--ok)}.toast.bad{border-left:3px solid var(--bad)}.toast.ok .icon{color:var(--ok)}.toast.bad .icon{color:var(--bad)}@keyframes fade-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,-8px)}to{opacity:1;transform:translate(-50%)}}@media (max-width:720px){.toast{position:fixed;top:auto;bottom:16px}.page{padding:0}.app{height:100vh;max-width:none;border-radius:0;border:none;grid-template-columns:1fr}.sidebar{display:none}}