:root{--ds-primary:#4d6bfe;--ds-primary-hover:#3d5bf0;--ds-bg:#fff;--ds-bg-secondary:#f8f8f8;--ds-border:#e8e8e8;--ds-text:#1a1a1a;--ds-text-secondary:#8c8c8c;--ds-text-tertiary:#b3b3b3;--ds-radius:16px}[data-theme=dark]{--ds-primary:#4d6bfe;--ds-primary-hover:#6b85ff;--ds-bg:#171717;--ds-bg-secondary:#212121;--ds-border:#2e2e2e;--ds-text:#f0f0f0;--ds-text-secondary:#999;--ds-text-tertiary:#666}*{box-sizing:border-box}html,body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--ds-bg);color:var(--ds-text);margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif}.ds-chat-input{background:var(--ds-bg);border:1px solid var(--ds-border);border-radius:24px;align-items:center;gap:8px;width:100%;padding:10px 10px 10px 22px;transition:border-color .2s,box-shadow .2s;display:flex}.ds-chat-input:focus-within{border-color:var(--ds-primary);box-shadow:0 0 0 2px #4d6bfe1f}.ds-chat-input input{color:var(--ds-text);background:0 0;border:none;outline:none;flex:1;padding:8px 0;font-size:16px}.ds-chat-input input::placeholder{color:var(--ds-text-tertiary)}.ds-send-btn{background:var(--ds-primary);color:#fff;cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;transition:background .15s,transform .1s;display:flex}.ds-send-btn:hover:not(:disabled){background:var(--ds-primary-hover)}.ds-send-btn:active:not(:disabled){transform:scale(.95)}.ds-send-btn:disabled{background:var(--ds-border);cursor:default}.ds-greeting{text-align:center;letter-spacing:-.3px;color:var(--ds-text);margin-bottom:28px;font-size:28px;font-weight:600}.ds-answer{color:var(--ds-text);margin-top:28px;font-size:16px;line-height:1.7}.ds-answer>:first-child{margin-top:0}.ds-answer>:last-child{margin-bottom:0}.ds-answer p{margin:0 0 12px}.ds-answer h1,.ds-answer h2,.ds-answer h3{margin:20px 0 10px;font-weight:600;line-height:1.3}.ds-answer 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strong{font-weight:600}.ds-actions{border-top:1px solid var(--ds-border);align-items:center;gap:12px;margin-top:16px;padding-top:12px;display:flex}.ds-action-btn{border:1px solid var(--ds-border);color:var(--ds-text-secondary);cursor:pointer;background:0 0;border-radius:18px;align-items:center;gap:6px;padding:6px 12px;font-size:13px;transition:all .15s;display:inline-flex}.ds-action-btn:hover{border-color:var(--ds-primary);color:var(--ds-primary)}.ds-action-btn.active{background:var(--ds-primary);border-color:var(--ds-primary);color:#fff}.ds-thinking{border:1px solid var(--ds-border);border-radius:var(--ds-radius);background:var(--ds-bg-secondary);margin-top:28px;margin-bottom:20px;overflow:hidden}.ds-thinking-header{cursor:pointer;color:var(--ds-text-secondary);-webkit-user-select:none;user-select:none;align-items:center;gap:8px;padding:12px 16px;font-size:14px;transition:background .15s;display:flex}.ds-thinking-header:hover{background:#00000005}[data-theme=dark] .ds-thinking-header:hover{background:#ffffff08}.ds-thinking-body{max-height:200px;color:var(--ds-text-secondary);scrollbar-width:none;ms-overflow-style:none;padding:0 16px 14px;font-size:13px;line-height:1.6;overflow-y:auto}.ds-thinking-body::-webkit-scrollbar{display:none}.ds-thinking-body>:first-child{margin-top:0}.ds-thinking-body>:last-child{margin-bottom:0}.ds-sources{margin-top:24px}.ds-sources-header{color:var(--ds-text-secondary);align-items:center;gap:8px;margin-bottom:12px;font-size:14px;font-weight:600;display:flex}.ds-source-item{border:1px solid var(--ds-border);cursor:pointer;border-radius:12px;margin-bottom:8px;padding:12px 16px;transition:border-color .15s}.ds-source-item:hover{border-color:var(--ds-primary)}.ds-source-title{color:var(--ds-text);margin-bottom:4px;font-size:14px;font-weight:600}.ds-source-snippet{color:var(--ds-text-secondary);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:13px;line-height:1.5;display:-webkit-box;overflow:hidden}.ds-source-meta{color:var(--ds-text-tertiary);flex-wrap:wrap;align-items:center;gap:8px;margin-top:8px;font-size:12px;display:flex}.ds-topbar{border-bottom:1px solid var(--ds-border);background:var(--ds-bg);z-index:100;justify-content:space-between;align-items:center;height:56px;padding:0 24px;display:flex;position:sticky;top:0}.ds-logo{color:var(--ds-text);letter-spacing:-.2px;align-items:center;gap:10px;font-size:16px;font-weight:700;display:flex}.ds-logo-mark{color:#fff;background:linear-gradient(135deg,#4d6bfe 0%,#6b85ff 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8px}.ds-settings-section:last-child{border-bottom:none}.ds-settings-title{color:var(--ds-text-tertiary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px;font-size:12px;font-weight:600}.ds-settings-row{color:var(--ds-text);justify-content:space-between;align-items:center;padding:6px 0;font-size:14px;display:flex}.ds-loading{color:var(--ds-text-secondary);flex-direction:column;align-items:center;gap:14px;padding:48px 0;font-size:14px;display:flex}.ds-spinner{border:2px solid var(--ds-border);border-top-color:var(--ds-primary);border-radius:50%;width:24px;height:24px;animation:.8s linear infinite ds-spin}@keyframes ds-spin{to{transform:rotate(360deg)}}.ds-rate-stars{gap:2px;display:inline-flex}.ds-rate-star{cursor:pointer;color:var(--ds-text-tertiary);background:0 0;border:none;padding:0 2px;font-size:18px;line-height:1;transition:color .1s,transform .1s}.ds-rate-star:hover{transform:scale(1.2)}.ds-rate-star.filled{color:#faad14}.ds-correction{border:1px solid var(--ds-border);background:var(--ds-bg);width:100%;color:var(--ds-text);resize:vertical;border-radius:12px;outline:none;min-height:64px;margin-top:10px;padding:10px 14px;font-family:inherit;font-size:14px;transition:border-color .15s}.ds-correction:focus{border-color:var(--ds-primary)}.ds-correction::placeholder{color:var(--ds-text-tertiary)}.ds-error{color:#ff4d4f;background:#ff4d4f14;border:1px solid #ff4d4f40;border-radius:12px;align-items:flex-start;gap:10px;margin-top:16px;padding:12px 16px;font-size:14px;display:flex}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:var(--ds-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--ds-text-tertiary)}@keyframes blink{0%,50%{opacity:1}51%,to{opacity:0}}.ds-cursor{margin-left:2px;animation:1s infinite blink}
