:root{--bg-primary: #000000;--bg-secondary: #1C1C1E;--bg-tertiary: #2C2C2E;--text-primary: #F2F2F7;--text-secondary: #AEAEB2;--text-muted: #636366;--oracle-blue: #0A84FF;--oracle-blue-glow: rgba(10, 132, 255, .15);--muse-purple: #BF5AF2;--muse-purple-glow: rgba(191, 90, 242, .15);--gradient-janus: linear-gradient(135deg, var(--oracle-blue), var(--muse-purple));--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .875rem;--radius-xl: 1.25rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .5);--shadow-md: 0 4px 6px rgba(0, 0, 0, .5);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5);--font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;--font-mono: "SF Mono", Menlo, Monaco, Consolas, monospace;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .35s cubic-bezier(.4, 0, .2, 1);--sidebar-width: 280px;--input-height: 56px;--header-height: 56px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;min-height:100dvh;overflow:hidden}#root{height:100vh;height:100dvh}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}::selection{background:#409cff4d;color:#fff}:focus-visible{outline:2px solid var(--oracle-blue);outline-offset:2px}.app-container{display:flex;height:100%;width:100%}.sidebar{width:var(--sidebar-width);background:var(--bg-primary);border-right:1px solid var(--bg-tertiary);display:flex;flex-direction:column;flex-shrink:0}.sidebar-header{padding:var(--space-4);display:flex;align-items:center;justify-content:space-between}.sidebar-logo{display:flex;align-items:center;gap:var(--space-3);font-weight:600;font-size:1.125rem}.sidebar-logo img{width:32px;height:32px}.new-chat-btn{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);margin:var(--space-4);background:var(--bg-secondary);border:1px solid var(--bg-tertiary);border-radius:var(--radius-lg);color:var(--oracle-blue);font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.new-chat-btn:hover{background:var(--bg-tertiary);transform:translateY(-1px)}.conversation-list{flex:1;overflow-y:auto;padding:var(--space-2)}.conversation-item{padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition-fast);color:var(--text-secondary);font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conversation-item:hover{background:var(--bg-secondary);color:var(--text-primary)}.conversation-item.active{background:var(--bg-secondary);color:var(--text-primary);font-weight:500}.main-content{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--bg-primary)}.chat-header{height:var(--header-height);padding:0 var(--space-4);display:flex;align-items:center;justify-content:space-between;background:#1c1c1ecc;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);position:sticky;top:0;z-index:10}.chat-header h1{font-size:1rem;font-weight:600;color:var(--text-primary)}.chat-messages{flex:1;overflow-y:auto;padding:var(--space-8) var(--space-4);display:flex;flex-direction:column;gap:var(--space-6);max-width:900px;margin:0 auto;width:100%}.message{display:flex;gap:var(--space-4);max-width:100%;animation:fadeIn var(--transition-normal)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{flex-direction:row-reverse}.message.assistant{flex-direction:row}.message-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:600;flex-shrink:0;box-shadow:0 0 0 1px #ffffff1a}.message.user .message-avatar{background:var(--bg-tertiary);color:var(--text-primary)}.message.assistant .message-avatar{background:transparent;color:var(--text-primary);border:1px solid var(--oracle-blue);color:var(--oracle-blue)}.message-content{padding:0;line-height:1.6;min-width:0;flex:1}.message.user .message-content{background:var(--bg-secondary);padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);border-top-right-radius:var(--radius-sm)}.message.assistant .message-content{background:transparent;padding:0}.thinking-block{background:#1c1c1e80;border-left:2px solid var(--muse-purple);border-radius:4px;padding:var(--space-3) var(--space-4);margin-bottom:var(--space-4);font-size:.9rem}.thinking-header{font-size:.75rem;color:var(--text-muted);font-weight:600;margin-bottom:var(--space-2);display:flex;align-items:center;gap:var(--space-2);text-transform:uppercase;letter-spacing:.5px}.thinking-oracle{color:var(--oracle-blue)}.thinking-muse{color:var(--muse-purple)}.thinking-switch{font-style:italic;color:var(--text-muted);padding:var(--space-2) 0;border-top:1px solid rgba(255,255,255,.05);margin-top:var(--space-2);font-size:.8rem}.message-content pre{background:#121212!important;border:1px solid #333;border-radius:var(--radius-md);padding:var(--space-4);margin:var(--space-3) 0;overflow-x:auto;font-family:var(--font-mono);font-size:.85rem}.message-content code{font-family:var(--font-mono);background:#ffffff1a;padding:2px 6px;border-radius:4px;font-size:.85em;color:#ff9f0a}.message-content pre code{background:none;padding:0;color:inherit}.input-container{padding:var(--space-4);background:transparent;position:relative;z-index:20}.input-wrapper{display:flex;gap:var(--space-3);align-items:flex-end;max-width:900px;margin:0 auto;position:relative}.input-field{flex:1;display:flex;align-items:flex-end;gap:var(--space-2);background:var(--bg-secondary);border:1px solid var(--bg-tertiary);border-radius:26px;padding:10px 16px;transition:all var(--transition-fast);box-shadow:0 2px 10px #0003}.input-field:focus-within{border-color:var(--text-muted);background:#252528}.input-field textarea{flex:1;background:none;border:none;color:var(--text-primary);font-family:var(--font-sans);font-size:1rem;resize:none;min-height:24px;max-height:200px;line-height:1.5;padding:0;margin-bottom:2px}.input-field textarea::placeholder{color:var(--text-muted)}.input-field textarea:focus{outline:none}.attach-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:6px;border-radius:50%;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center}.attach-btn:hover{background:var(--bg-tertiary);color:var(--text-primary)}.send-btn{width:44px;height:44px;background:var(--text-primary);border:none;border-radius:50%;color:var(--bg-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast);flex-shrink:0;box-shadow:0 4px 12px #0000004d}.send-btn:hover:not(:disabled){transform:scale(1.05);background:#fff}.send-btn:disabled{background:var(--bg-tertiary);color:var(--text-muted);cursor:default;box-shadow:none}.send-btn.stop-btn{background:#ff453a!important;color:#fff!important}.image-preview{position:absolute;bottom:100%;left:0;right:0;margin-bottom:8px;padding:0 24px;pointer-events:none}.image-preview{pointer-events:auto;display:flex;justify-content:flex-start}.preview-thumbnail{position:relative;width:64px;height:64px;border-radius:12px;border:1px solid var(--bg-tertiary);background:var(--bg-secondary);overflow:visible;box-shadow:0 4px 12px #0000004d}.preview-thumbnail img{width:100%;height:100%;object-fit:cover;border-radius:12px}.remove-image{position:absolute;top:-8px;right:-8px;width:20px;height:20px;border-radius:50%;background:#8e8e93;color:#fff;border:2px solid var(--bg-primary);display:flex;align-items:center;justify-content:center;cursor:pointer}.remove-image:hover{background:#ff453a}.drag-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:9999;display:flex;align-items:center;justify-content:center;animation:fadeIn .2s ease-out;pointer-events:none}.drag-content{background:#1c1c1ecc;border:1px solid rgba(255,255,255,.1);padding:3rem 5rem;border-radius:32px;text-align:center;box-shadow:0 40px 80px -20px #00000080;transform:scale(.95);animation:scaleUp .3s cubic-bezier(.16,1,.3,1) forwards}.drag-icon-wrapper{margin-bottom:1.5rem;position:relative;display:inline-block}.drag-icon{color:var(--text-primary)}.drag-sparkle{position:absolute;top:-10px;right:-15px;color:#ffd60a;animation:bounce 2s infinite}.drag-content h2{font-size:1.5rem;font-weight:600;margin-bottom:.5rem;color:var(--text-primary)}.drag-content p{color:var(--text-secondary)}@keyframes scaleUp{to{transform:scale(1)}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}@keyframes pulse-red{0%{transform:scale(1)}50%{transform:scale(.9)}to{transform:scale(1)}}.modal{background:var(--bg-secondary);border:1px solid var(--bg-tertiary)}.modal-overlay{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}