:root{--bg: #eef2ef;--panel: #fbfcfb;--text: #15231c;--muted: #5f6f66;--line: #d5ddd8;--line-strong: #b8c4bc;--accent: #0d6e56;--accent-hover: #0a5844;--accent-soft: #e3f2ec;--user: #e7f3ee;--assistant: transparent;--danger: #b42318;--danger-bg: #fff1f0;--btn-blue: #2563eb;--btn-blue-hover: #1d4ed8;--btn-gray: #3f4743;--btn-gray-hover: #2f3632;--btn-maroon: #7a2e2e;--btn-maroon-hover: #622424;--code-bg: #14201b;--code-head: #0d1612;--radius: 10px;--radius-sm: 8px;--space: 12px;--font: "Pretendard", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, monospace;font-family:var(--font);color:var(--text);background:var(--bg);font-feature-settings:"ss06" 1,"kern" 1;letter-spacing:-.015em;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}body{overflow:hidden}button,input,textarea,select{font:inherit}.app{position:relative;display:flex;flex-direction:column;height:100%;background:radial-gradient(900px 320px at 100% -10%,#d9ebe3 0%,transparent 55%),radial-gradient(700px 280px at -10% 0%,#e7eee9 0%,transparent 50%),linear-gradient(180deg,#f5f7f5,#e8eee9)}.main{position:relative;flex:1;min-height:0;display:flex;flex-direction:column}.header{padding:6px 40px 6px 10px;border-bottom:1px solid color-mix(in srgb,var(--line) 80%,transparent);background:color-mix(in srgb,var(--panel) 78%,transparent);-webkit-backdrop-filter:blur(12px) saturate(1.1);backdrop-filter:blur(12px) saturate(1.1)}.header-top{display:flex;justify-content:space-between;gap:8px;align-items:center;min-height:28px}.header-brand{min-width:0;flex:1}.model-label{margin:0;color:var(--text);font-size:13.5px;font-weight:700;letter-spacing:-.015em;max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:1.2}.header-model-select{display:block;width:100%;max-width:100%;margin:0;padding:4px 28px 4px 8px;border:1px solid transparent;border-radius:7px;background-color:transparent;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 14px) 50%,calc(100% - 9px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;color:var(--text);font:inherit;font-size:13.5px;font-weight:700;letter-spacing:-.015em;line-height:1.2;cursor:pointer;-moz-appearance:none;appearance:none;-webkit-appearance:none;text-overflow:ellipsis;white-space:nowrap;overflow:hidden;transition:border-color .15s ease,background-color .15s ease}.header-model-select:hover:not(:disabled){border-color:var(--line);background-color:color-mix(in srgb,var(--panel) 90%,transparent)}.header-model-select:focus{outline:none;border-color:color-mix(in srgb,var(--accent) 55%,var(--line));box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 16%,transparent)}.header-model-select:disabled{opacity:.55;cursor:not-allowed}.header-actions{display:flex;gap:4px;flex-shrink:0}.header .icon-btn{width:28px;height:28px;border-radius:7px}.header .icon-btn svg{width:16px;height:16px}.icon-btn,.btn{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:var(--radius-sm);padding:7px 11px;cursor:pointer;font-size:12.5px;font-weight:500;letter-spacing:-.01em;transition:background .15s ease,border-color .15s ease,color .15s ease,transform .15s ease}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;padding:0;flex-shrink:0}.icon-btn svg{display:block}.icon-btn:hover,.btn:hover:not(:disabled){border-color:var(--line-strong);background:#fff}.icon-btn:active,.btn:active:not(:disabled){transform:translateY(1px)}.icon-btn.primary,.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.icon-btn.primary:hover,.btn.primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.icon-btn.danger,.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}.icon-btn.danger:hover,.btn.danger:hover:not(:disabled){background:#9f1d14;border-color:#9f1d14;color:#fff}.btn.blue,.icon-btn.blue{background:var(--btn-blue);border-color:var(--btn-blue);color:#fff}.btn.blue:hover:not(:disabled),.icon-btn.blue:hover:not(:disabled){background:var(--btn-blue-hover);border-color:var(--btn-blue-hover)}.btn.gray,.icon-btn.gray{background:var(--btn-gray);border-color:var(--btn-gray);color:#fff}.btn.gray:hover:not(:disabled),.icon-btn.gray:hover:not(:disabled){background:var(--btn-gray-hover);border-color:var(--btn-gray-hover)}.btn.maroon,.icon-btn.maroon{background:var(--btn-maroon);border-color:var(--btn-maroon);color:#fff}.btn.maroon:hover:not(:disabled),.icon-btn.maroon:hover:not(:disabled){background:var(--btn-maroon-hover);border-color:var(--btn-maroon-hover)}.icon-btn:disabled,.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.settings{position:absolute;top:0;right:0;bottom:0;left:0;z-index:30;margin:0;padding:0;border:none;border-radius:0;background:var(--panel);display:flex;flex-direction:column;min-height:0;overflow:hidden;animation:panel-in .18s ease-out}.settings-header{flex-shrink:0;background:var(--panel);-webkit-backdrop-filter:none;backdrop-filter:none}.settings-body{flex:1;min-height:0;overflow:auto;padding:16px 14px 20px;display:grid;align-content:start;gap:14px}@keyframes panel-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.settings label{display:grid;gap:6px;font-size:12px;font-weight:500;color:var(--muted);letter-spacing:-.01em}.settings input[type=text],.settings input[type=password],.settings select{width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);padding:9px 11px;color:var(--text);background:#fff;transition:border-color .15s ease,box-shadow .15s ease}.settings input:focus,.settings select:focus{outline:none;border-color:color-mix(in srgb,var(--accent) 55%,var(--line));box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 16%,transparent)}.settings-section-label{margin-top:4px;font-size:12px;font-weight:600;letter-spacing:-.01em;color:var(--text)}.settings-note{margin:0;font-size:11.5px;line-height:1.5;color:var(--muted)}.messages{flex:1;overflow:auto;padding:16px 14px;display:flex;flex-direction:column;gap:12px;scroll-behavior:smooth}.messages.empty{justify-content:center;align-items:stretch}.empty-card{padding:4px 2px 8px;animation:fade-up .35s ease-out}@keyframes fade-up{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.empty-kicker{margin:0 0 8px;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}.empty-card h2{margin:0 0 8px;font-size:20px;font-weight:600;letter-spacing:-.035em;line-height:1.25}.empty-card>p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.55;max-width:34em}.empty-card ul{margin:16px 0 0;padding:0;list-style:none;display:grid;gap:8px}.empty-card li{margin:0;color:var(--text);font-size:13px;line-height:1.45;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:color-mix(in srgb,#fff 70%,transparent)}.bubble{max-width:96%;border-radius:var(--radius);padding:10px 12px;word-break:break-word;animation:fade-up .22s ease-out}.bubble.user{align-self:flex-end;background:var(--user);border:1px solid color-mix(in srgb,var(--accent) 18%,var(--line))}.bubble.assistant{align-self:stretch;width:100%;max-width:100%;background:var(--assistant);border:none;padding-left:2px;padding-right:2px}.bubble-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:11px;font-weight:600;letter-spacing:.02em;text-transform:uppercase;color:var(--muted);margin-bottom:5px;min-height:22px}.bubble-meta-label{display:inline-flex;align-items:center;gap:6px;min-width:0}.bubble-duration{font-weight:500;letter-spacing:0;text-transform:none;font-variant-numeric:tabular-nums;color:color-mix(in srgb,var(--muted) 85%,var(--text))}.bubble.user .bubble-meta{color:color-mix(in srgb,var(--accent) 70%,var(--muted))}.bubble-copy-btn{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;padding:0;border:1px solid transparent;border-radius:6px;background:transparent;color:inherit;opacity:.55;cursor:pointer;flex-shrink:0;text-transform:none}.bubble-copy-btn:hover{opacity:1;background:color-mix(in srgb,var(--accent) 10%,transparent);border-color:color-mix(in srgb,var(--line) 80%,transparent)}.bubble-copy-btn.copied{opacity:1;color:#2f9e6b}.bubble-content{width:100%;min-width:0;font-size:13.75px;line-height:1.55;letter-spacing:-.01em;display:grid;gap:8px}.bubble-content.thinking{color:var(--muted);font-style:normal;font-weight:500}.thinking-dots span{animation:thinking-blink 1.2s infinite;opacity:.2}.thinking-dots span:nth-child(2){animation-delay:.2s}.thinking-dots span:nth-child(3){animation-delay:.4s}@keyframes thinking-blink{0%,80%,to{opacity:.2}40%{opacity:1}}.msg-text{white-space:pre-wrap}.msg-status-title{font-weight:700}.code-block{border:1px solid #24352e;border-radius:var(--radius-sm);overflow:hidden;background:var(--code-bg);color:#e7efea}.code-block.incomplete{opacity:.92}.code-block-compact{display:block;width:100%;max-width:100%;min-width:0;padding:0;margin:0;text-align:left;cursor:pointer;transition:border-color .15s ease,box-shadow .15s ease}.code-block-compact:hover{border-color:color-mix(in srgb,var(--accent) 45%,#24352e);box-shadow:0 0 0 2px color-mix(in srgb,var(--accent) 12%,transparent)}.code-block-compact:focus-visible{outline:none;border-color:color-mix(in srgb,var(--accent) 55%,#24352e);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 16%,transparent)}.code-block-head{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:6px 10px;background:var(--code-head);color:#8fa399;font-family:var(--font-mono);font-size:11px;text-transform:lowercase}.code-block-hint{flex-shrink:0;color:#b7c7be;text-transform:none;letter-spacing:-.01em}.code-copy-btn{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;padding:0;border:1px solid transparent;border-radius:6px;background:transparent;color:#8fa399;cursor:pointer}.code-copy-btn:hover{background:#8fa39926;color:#e7efea;border-color:transparent}.code-copy-btn.copied{color:#86efac}.code-block pre{margin:0;padding:8px 12px 10px;overflow:hidden;max-height:calc(7.5em + 4px)}.code-block code{font-family:var(--font-mono);font-size:12px;line-height:1.5;white-space:pre;display:block}.code-modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;display:flex;align-items:center;justify-content:center;padding:16px;background:#121c1873;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.code-modal{display:flex;flex-direction:column;width:min(100%,520px);max-height:min(78vh,640px);border:1px solid #24352e;border-radius:12px;background:var(--code-bg);color:#e7efea;box-shadow:0 18px 48px #10181447;overflow:hidden}.code-modal-head{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:8px 10px 8px 12px;background:var(--code-head);color:#8fa399;font-family:var(--font-mono);font-size:11px;text-transform:lowercase;flex-shrink:0}.code-modal-actions{display:flex;align-items:center;gap:2px}.code-modal-body{margin:0;padding:12px 14px 16px;overflow:auto;flex:1;min-height:0}.code-modal-body code{font-family:var(--font-mono);font-size:12px;line-height:1.55;white-space:pre}.banner{margin:0 14px 8px;padding:9px 11px;border-radius:var(--radius-sm);font-size:12.5px;line-height:1.4}.banner.error{background:var(--danger-bg);color:var(--danger);border:1px solid #f0b4b0}.composer{border-top:1px solid color-mix(in srgb,var(--line) 85%,transparent);background:color-mix(in srgb,var(--panel) 88%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:12px 14px 14px}.composer-shell{border:1px solid var(--line);border-radius:12px;background:#fff;padding:10px 10px 8px;transition:border-color .15s ease,box-shadow .15s ease}.composer-shell:focus-within{border-color:color-mix(in srgb,var(--accent) 50%,var(--line));box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 14%,transparent)}.composer textarea{width:100%;resize:none;border:none;border-radius:0;padding:2px 2px 6px;outline:none;background:transparent;font-size:14px;line-height:1.5;letter-spacing:-.01em;min-height:64px}.composer textarea:disabled{opacity:.65}.composer-actions{display:flex;justify-content:space-between;align-items:center;gap:8px;padding-top:4px;border-top:1px solid #eef2ef}.composer-actions-left{display:flex;align-items:center;gap:8px;min-width:0}.hint{color:var(--muted);font-size:11px;font-weight:500;letter-spacing:-.01em}