*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;background:#14161a;color:#e8eaed;font-family:Segoe UI,system-ui,sans-serif;font-size:14px}.app-layout{display:flex;height:100%}.app-chat{width:380px;min-width:320px;border-right:1px solid #2a2e35;display:flex;flex-direction:column}.app-game{flex:1;min-width:0;position:relative}.music-controls{position:absolute;right:14px;bottom:12px;display:flex;align-items:center;gap:8px;background:#14161ad1;border:1px solid #2a2e35;border-radius:10px;padding:6px 10px}.music-mute{background:none;border:none;color:#9ca3af;cursor:pointer;display:flex;align-items:center;padding:0}.music-mute:hover{color:#e8eaed}.music-volume{width:80px;accent-color:#3b5bd9}.game-view{width:100%;height:100%}.game-view canvas{display:block}.chat-panel{display:flex;flex-direction:column;height:100%}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid #2a2e35}.chat-title{font-weight:600}.chat-tools{display:flex;gap:10px;align-items:center}.chat-model{background:#1d2127;border:1px solid #2a2e35;border-radius:6px;color:#9ca3af;font-size:11px;padding:2px 4px}.chat-model:focus{outline:none;border-color:#3b5bd9}.chat-tool-btn{background:none;border:none;color:#6b7280;font-size:11px;cursor:pointer;padding:0}.chat-tool-btn:hover{color:#9ca3af}.chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}.chat-empty{color:#6b7280;font-size:13px;text-align:center;margin-top:40px;padding:0 20px;line-height:1.5}.chat-bubble{max-width:85%;padding:9px 12px;border-radius:12px;line-height:1.45;white-space:pre-wrap}.chat-bubble.user{align-self:flex-end;background:#3b5bd9;border-bottom-right-radius:4px}.chat-bubble.assistant{align-self:flex-start;background:#23272e;border-bottom-left-radius:4px}.chat-bubble.pending{color:#6b7280}.chat-error{color:#f87171;font-size:12px;padding:8px 12px;background:#f8717114;border-radius:8px;word-break:break-word}.chat-input-row{display:flex;gap:8px;padding:12px 16px;border-top:1px solid #2a2e35}.chat-input-row textarea{flex:1;resize:none;background:#1d2127;border:1px solid #2a2e35;border-radius:8px;color:#e8eaed;padding:8px 10px;font-family:inherit;font-size:13px}.chat-input-row textarea:focus{outline:none;border-color:#3b5bd9}.chat-input-row button,.key-gate button{background:#3b5bd9;border:none;border-radius:8px;color:#fff;padding:8px 16px;cursor:pointer;font-size:13px}.chat-input-row button:disabled,.key-gate button:disabled{opacity:.4;cursor:default}.onboarding{height:100%;display:flex;align-items:center;justify-content:center;padding:24px}.onboarding-card{max-width:520px;width:100%;background:#1a1d22;border:1px solid #2a2e35;border-radius:16px;padding:36px 36px 32px;display:flex;flex-direction:column;gap:14px}.onboarding-card h1{font-size:26px;font-weight:650}.onboarding-card h2{font-size:19px;font-weight:600}.onboarding-card p{color:#b6bcc4;font-size:14px;line-height:1.6}.onboarding-sign{color:#6b7280;font-style:italic}.onboarding-actions{display:flex;flex-direction:column;gap:10px;margin-top:6px}.onboarding-primary{background:#3b5bd9;border:none;border-radius:10px;color:#fff;padding:11px 18px;font-size:14px;cursor:pointer;align-self:flex-start}.onboarding-actions .onboarding-primary,.onboarding-actions .onboarding-secondary{align-self:stretch}.onboarding-primary:disabled{opacity:.4;cursor:default}.onboarding-secondary{background:#23272e;border:1px solid #2a2e35;border-radius:10px;color:#e8eaed;padding:11px 18px;font-size:14px;cursor:pointer}.onboarding-link{background:none;border:none;color:#7d9bff;font-size:13px;cursor:pointer;padding:4px 0;text-align:left}.onboarding-link:hover{text-decoration:underline}.onboarding-keyrow{display:flex;gap:8px;margin-top:4px}.onboarding-keyrow input{flex:1;background:#1d2127;border:1px solid #2a2e35;border-radius:10px;color:#e8eaed;padding:10px 12px;font-size:13px}.onboarding-keyrow input:focus{outline:none;border-color:#3b5bd9}.onboarding-guide{color:#b6bcc4;font-size:13.5px;line-height:1.65;padding-left:20px;display:flex;flex-direction:column;gap:10px}.onboarding-guide a{color:#7d9bff}.onboarding-guide code{background:#23272e;border-radius:4px;padding:1px 5px;font-size:12px}