:root{--bg: #f0f4f8;--surface: #ffffff;--border: #e2e8f0;--navy: #0d1b2e;--navy-mid: #1a2c45;--navy-light: #233557;--primary: #2563eb;--primary-hover: #1d4ed8;--green: #10b981;--red: #dc2626;--text: #0f172a;--text-muted: #64748b;--text-light: #94a3b8;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .06);--shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .04);--shadow-lg: 0 10px 40px rgba(0, 0, 0, .16);--radius: 10px;--sidebar-w: 280px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*,*:before,*:after{box-sizing:border-box}body{margin:0;height:100vh;overflow:hidden;background:var(--bg);color:var(--text)}.app-root{display:flex;height:100vh;position:relative;overflow:hidden}.sidebar-backdrop{position:fixed;inset:0;background:#0000006b;z-index:40;animation:fadeIn .2s ease}.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar-w);background:var(--navy);color:#fff;display:flex;flex-direction:column;z-index:50;transform:translate(-100%);transition:transform .25s cubic-bezier(.4,0,.2,1);will-change:transform;overflow-x:hidden}.sidebar.open{transform:translate(0)}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:20px 16px 18px;border-bottom:1px solid rgba(255,255,255,.07);flex-shrink:0}.sidebar-logo{display:flex;align-items:center;gap:10px}.sidebar-logo-img{height:32px;width:auto;flex-shrink:0;display:block}.sidebar-logo-text{display:flex;flex-direction:column;line-height:1.15}.sidebar-logo-brand{font-size:.78rem;font-weight:800;letter-spacing:.14em;color:#f1f5f9}.sidebar-logo-sub{font-size:.63rem;font-weight:600;letter-spacing:.1em;color:var(--text-muted)}.sidebar-body{flex:1;padding:16px;display:flex;flex-direction:column;gap:20px;overflow-y:auto;overflow-x:hidden}.new-chat-btn{all:unset;display:flex;align-items:center;gap:8px;width:100%;padding:10px 14px;background:#fff;border:1px solid rgba(255,255,255,.15);border-radius:8px;color:var(--navy);font-size:.88rem;font-weight:600;cursor:pointer;transition:background .15s,box-shadow .15s;box-shadow:0 1px 3px #0000002e;box-sizing:border-box}.new-chat-btn:hover{background:#f0f4ff;box-shadow:0 2px 8px #00000038}.sidebar-history{display:flex;flex-direction:column;gap:4px}.sidebar-section-label{display:block;font-size:.66rem;font-weight:700;letter-spacing:.1em;color:var(--text-muted);padding:0 8px;margin-bottom:6px}.sidebar-section-header{display:flex;align-items:center;justify-content:space-between;padding:0 8px;margin-bottom:6px}.sidebar-section-header .sidebar-section-label{padding:0;margin-bottom:0}.clear-history-btn{all:unset;color:var(--text-muted);cursor:pointer;padding:3px;border-radius:4px;display:flex;align-items:center;transition:color .15s,background .15s}.clear-history-btn:hover{color:#f87171;background:#f871711a}.sidebar-empty{font-size:.8rem;color:var(--text-muted);padding:4px 8px;margin:0}.history-item{all:unset;display:flex;align-items:flex-start;gap:8px;padding:8px 10px;border-radius:6px;cursor:pointer;transition:background .15s;width:100%}.history-item:hover{background:#ffffff0f}.history-item.active{background:var(--navy-light)}.history-item-icon{color:var(--text-muted);flex-shrink:0;margin-top:2px}.history-item.active .history-item-icon{color:#93c5fd}.history-item-info{display:flex;flex-direction:column;gap:2px;min-width:0}.history-item-title{font-size:.83rem;color:var(--text-light);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.3}.history-item.active .history-item-title{color:#e2e8f0;font-weight:500}.history-item-time{font-size:.68rem;color:var(--text-muted)}.sidebar-footer{padding:14px 16px;border-top:1px solid rgba(255,255,255,.07);display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.user-info{display:flex;align-items:center;gap:10px;min-width:0}.user-avatar{width:34px;height:34px;border-radius:50%;background:#2563eb;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.88rem;flex-shrink:0}.user-details{display:flex;flex-direction:column;line-height:1.25;min-width:0}.user-name{font-size:.84rem;font-weight:600;color:#e2e8f0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-role{font-size:.71rem;color:var(--text-muted)}.icon-btn{all:unset;display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:6px;color:var(--text-muted);cursor:pointer;transition:background .15s,color .15s;flex-shrink:0}.icon-btn:hover{background:#0000000f;color:var(--text)}.sidebar-icon-btn{color:var(--text-light)}.sidebar-icon-btn:hover{background:#ffffff1a;color:#fff}.main-area{flex:1;display:flex;flex-direction:column;height:100vh;min-width:0;overflow:hidden}.top-bar{display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:58px;background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0;z-index:10;gap:12px}.top-bar-left{display:flex;align-items:center;gap:10px;min-width:0}.top-bar-title{display:flex;flex-direction:column;line-height:1.25;min-width:0}.app-name{font-size:.92rem;font-weight:700;color:var(--text);white-space:nowrap}.app-subtitle{font-size:.7rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.top-bar-status{display:flex;align-items:center;gap:8px;min-width:0;flex-shrink:0}.repo-badge{display:flex;align-items:center;gap:6px;max-width:360px;font-size:.74rem;font-weight:600;color:#1e3a8a;background:#eff6ff;border:1px solid #bfdbfe;border-radius:999px;padding:5px 10px;white-space:nowrap;min-width:0}.repo-badge span{overflow:hidden;text-overflow:ellipsis}.repo-badge strong{color:#2563eb;font-size:.68rem;font-weight:700}.vpc-badge{display:flex;align-items:center;gap:6px;font-size:.76rem;font-weight:600;color:#166534;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:999px;padding:5px 12px;white-space:nowrap;flex-shrink:0}.vpc-dot{width:7px;height:7px;border-radius:50%;background:var(--green);flex-shrink:0}.chat-main{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column}.welcome-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 24px 24px;text-align:center;max-width:760px;margin:0 auto;width:100%}.welcome-icon{width:68px;height:68px;border-radius:50%;background:#eff6ff;color:#3b82f6;display:flex;align-items:center;justify-content:center;margin-bottom:26px}.welcome-heading{font-size:2rem;font-weight:700;color:var(--navy);margin:0 0 14px;line-height:1.2}.welcome-subtitle{font-size:.94rem;color:var(--text-muted);line-height:1.65;margin:0 0 36px;max-width:500px}.welcome-subtitle strong{color:#3b82f6;font-weight:600}.suggestion-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;width:100%}.suggestion-card{all:unset;display:flex;flex-direction:column;align-items:flex-start;text-align:left;gap:8px;padding:18px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:border-color .15s,box-shadow .15s,transform .1s}.suggestion-card:hover:not(:disabled){border-color:#93c5fd;box-shadow:0 4px 16px #3b82f61f;transform:translateY(-1px)}.suggestion-card:disabled{opacity:.5;cursor:not-allowed}.suggestion-icon{color:#3b82f6}.suggestion-title{font-size:.86rem;font-weight:700;color:var(--text)}.suggestion-desc{font-size:.77rem;color:var(--text-muted);line-height:1.45}.message-list{flex:1;display:flex;flex-direction:column;gap:22px;padding:28px 20px;max-width:860px;margin:0 auto;width:100%}.message-row{display:flex;gap:12px;align-items:flex-start}.message-row.user{flex-direction:row-reverse}.assistant-avatar{width:32px;height:32px;border-radius:50%;background:#eff6ff;color:#3b82f6;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}.message-bubble{max-width:78%;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow-sm)}.message-row.user .message-bubble{background:var(--navy);border-color:var(--navy);color:#f1f5f9}.message-bubble.error{background:#fef2f2;border-color:#fecaca;color:var(--red)}.loading-indicator{display:flex;align-items:center;gap:8px;color:var(--text-muted);font-size:.86rem}.message-text{white-space:pre-wrap;word-break:break-word;margin:0;font-family:inherit;font-size:.9rem;line-height:1.65}.chat-input-area{padding:14px 20px 12px;background:var(--bg);flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:7px}.input-options{width:100%;max-width:860px;display:flex;align-items:center;gap:10px}.response-mode-toggle{display:inline-flex;align-items:center;gap:8px;cursor:pointer;-webkit-user-select:none;user-select:none}.response-mode-toggle input{position:absolute;opacity:0;width:0;height:0}.response-mode-switch{position:relative;width:34px;height:18px;background:#cbd5e1;border-radius:9px;transition:background .2s;flex-shrink:0}.response-mode-switch:after{content:"";position:absolute;top:2px;left:2px;width:14px;height:14px;background:#fff;border-radius:50%;transition:transform .2s}.response-mode-toggle input:checked~.response-mode-switch{background:var(--primary)}.response-mode-toggle input:checked~.response-mode-switch:after{transform:translate(16px)}.response-mode-toggle input:disabled~.response-mode-switch{opacity:.5;cursor:not-allowed}.response-mode-text{font-size:.78rem;font-weight:700;color:var(--text)}.response-mode-hint{font-size:.72rem;color:var(--text-muted)}.chat-input-box{display:flex;align-items:flex-end;gap:10px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:10px 10px 10px 16px;box-shadow:var(--shadow);width:100%;max-width:860px;transition:border-color .15s,box-shadow .15s}.chat-input-box:focus-within{border-color:#93c5fd;box-shadow:0 0 0 3px #3b82f61a,var(--shadow)}.chat-textarea{flex:1;border:none;outline:none;resize:none;font:inherit;font-size:.9rem;color:var(--text);background:transparent;line-height:1.55;max-height:160px;overflow-y:auto;padding:0;margin:0}.chat-textarea::placeholder{color:var(--text-light)}.send-btn{all:unset;display:flex;align-items:center;justify-content:center;width:38px;height:38px;min-width:38px;border-radius:8px;background:var(--navy);color:#fff;cursor:pointer;flex-shrink:0;transition:background .15s,opacity .15s}.send-btn:hover:not(:disabled){background:var(--navy-mid)}.send-btn:disabled{opacity:.38;cursor:not-allowed}.chat-disclaimer{font-size:.71rem;color:var(--text-light);text-align:center;margin:0}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px;animation:fadeIn .15s ease}.modal{background:var(--surface);border-radius:14px;padding:28px;width:100%;max-width:460px;display:flex;flex-direction:column;gap:0;box-shadow:var(--shadow-lg);animation:slideUp .2s ease}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.modal-title{font-size:1.1rem;font-weight:700;margin:0;color:var(--text)}.modal-fields{display:flex;flex-direction:column;gap:14px;margin-bottom:22px}.modal-label{display:flex;flex-direction:column;gap:6px;font-size:.83rem;font-weight:600;color:#374151}.modal-input{padding:9px 12px;border:1px solid var(--border);border-radius:8px;font:inherit;font-size:.88rem;color:var(--text);outline:none;transition:border-color .15s,box-shadow .15s;background:var(--surface)}.modal-input:focus{border-color:#93c5fd;box-shadow:0 0 0 3px #3b82f61a}.auth-card{display:flex;flex-direction:column;gap:8px;padding:12px;border:1px solid var(--border);border-radius:8px;background:#f8fafc}.auth-card-title{font-size:.82rem;font-weight:700;color:var(--text)}.auth-status{font-size:.8rem;color:var(--text-muted);line-height:1.45}.auth-status.signed-in{color:#166534}.auth-error{font-size:.8rem;color:var(--red);line-height:1.45}.secondary-btn{all:unset;align-self:flex-start;padding:7px 10px;border:1px solid var(--border);border-radius:7px;background:#fff;color:var(--text);font-size:.8rem;font-weight:700;cursor:pointer;transition:border-color .15s,background .15s}.secondary-btn:hover{border-color:#93c5fd;background:#eff6ff}.confirm-btn{all:unset;display:flex;align-items:center;justify-content:center;padding:11px;background:var(--navy);color:#fff;border-radius:8px;font:inherit;font-weight:700;font-size:.9rem;cursor:pointer;transition:background .15s,opacity .15s;text-align:center}.confirm-btn:hover:not(:disabled){background:var(--navy-mid)}.confirm-btn:disabled{opacity:.45;cursor:not-allowed}.sidebar-settings{display:flex;flex-direction:column;gap:12px;padding:0 4px}.settings-fields{display:flex;flex-direction:column;gap:12px}.settings-label{display:flex;flex-direction:column;gap:5px;font-size:.78rem;font-weight:600;color:#94a3b8}.settings-input{padding:8px 10px;border:1px solid rgba(255,255,255,.12);border-radius:6px;font:inherit;font-size:.82rem;color:#fff;background:#ffffff0f;outline:none;transition:border-color .15s,box-shadow .15s}.settings-input:focus{border-color:#3b82f6;box-shadow:0 0 0 2px #3b82f633}.settings-input::placeholder{color:#64748b}.settings-input:read-only{opacity:.7;cursor:default}.settings-auth-card{display:flex;flex-direction:column;gap:6px;padding:10px;border:1px solid rgba(255,255,255,.1);border-radius:6px;background:#ffffff0a}.settings-auth-title{font-size:.78rem;font-weight:700;color:#e2e8f0}.settings-auth-status{font-size:.75rem;color:#94a3b8}.settings-auth-status.signed-in{color:#34d399}.settings-auth-error{font-size:.75rem;color:#f87171}.settings-btn{all:unset;padding:7px 10px;border:1px solid rgba(255,255,255,.15);border-radius:6px;background:#ffffff14;color:#e2e8f0;font-size:.78rem;font-weight:600;cursor:pointer;text-align:center;transition:background .15s}.settings-btn:hover:not(:disabled){background:#ffffff24}.settings-btn:disabled{opacity:.5;cursor:not-allowed}.sidebar-footer-actions{display:flex;align-items:center;gap:4px}.signin-screen{display:flex;align-items:center;justify-content:center;flex:1;padding:24px}.signin-card{display:flex;flex-direction:column;align-items:center;gap:16px;padding:40px;background:var(--surface);border-radius:16px;box-shadow:var(--shadow-lg);width:100%;max-width:400px;text-align:center}.signin-logo{height:48px;width:auto}.signin-heading{font-size:1.4rem;font-weight:800;color:var(--navy);margin:0}.signin-subtitle{font-size:.88rem;color:var(--text-muted);margin:0}.signin-error{font-size:.8rem;color:var(--red)}.signin-btn{all:unset;width:100%;padding:12px;background:var(--navy);color:#fff;border-radius:8px;font:inherit;font-weight:700;font-size:.9rem;cursor:pointer;text-align:center;transition:background .15s}.signin-btn:hover:not(:disabled){background:var(--navy-mid)}.signin-btn:disabled{opacity:.5;cursor:not-allowed}.signin-token-field{width:100%}.signin-label{display:flex;flex-direction:column;gap:6px;font-size:.83rem;font-weight:600;color:#374151;text-align:left}.signin-input{padding:10px 12px;border:1px solid var(--border);border-radius:8px;font:inherit;font-size:.88rem;color:var(--text);outline:none;transition:border-color .15s,box-shadow .15s}.signin-input:focus{border-color:#93c5fd;box-shadow:0 0 0 3px #3b82f61a}.settings-screen{display:flex;align-items:center;justify-content:center;flex:1;padding:24px}.settings-card{display:flex;flex-direction:column;gap:20px;padding:32px;background:var(--surface);border-radius:14px;box-shadow:var(--shadow);width:100%;max-width:420px}.settings-card-title{font-size:1.1rem;font-weight:700;color:var(--text);margin:0}.settings-card-fields{display:flex;flex-direction:column;gap:14px}.settings-card-label{display:flex;flex-direction:column;gap:6px;font-size:.83rem;font-weight:600;color:#374151}.settings-card-input{padding:9px 12px;border:1px solid var(--border);border-radius:8px;font:inherit;font-size:.88rem;color:var(--text);background:#f8fafc;outline:none}.settings-card-input:read-only{opacity:.75;cursor:default}.settings-card-select{cursor:pointer}.settings-card-help{color:var(--text-muted);font-size:.74rem;font-weight:500;line-height:1.3;word-break:break-word}.settings-card-auth{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:#f8fafc}.settings-card-auth-status{font-size:.8rem;font-weight:600;color:#166534}.settings-card-logout{all:unset;display:flex;align-items:center;gap:5px;font-size:.78rem;font-weight:600;color:var(--red);cursor:pointer}.settings-card-logout:hover{text-decoration:underline}.settings-card-close{all:unset;padding:10px;background:var(--navy);color:#fff;border-radius:8px;font:inherit;font-weight:700;font-size:.88rem;cursor:pointer;text-align:center;transition:background .15s}.settings-card-close:hover{background:var(--navy-mid)}.phase-tracker{display:flex;flex-direction:column;gap:12px;min-width:240px;padding:2px 0}.phase-tracker-title{font-size:.78rem;font-weight:600;color:var(--text-muted);margin:0;text-transform:uppercase;letter-spacing:.04em}.phase-list{display:flex;flex-direction:column}.phase-item{display:flex;gap:12px;align-items:flex-start}.phase-connector-col{display:flex;flex-direction:column;align-items:center;flex-shrink:0}.phase-icon{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.phase-icon--done{color:#10b981;background:#d1fae5}.phase-icon--current{color:#2563eb;background:#dbeafe}.phase-icon--pending{color:#94a3b8;background:#f1f5f9}.phase-line{width:2px;height:26px;background:#e2e8f0;margin:3px 0;border-radius:2px;transition:background .3s}.phase-line--done{background:#10b981}.phase-text{display:flex;flex-direction:column;gap:2px;padding-bottom:20px;padding-top:4px}.phase-name{font-size:.86rem;font-weight:600;line-height:1.3}.phase-name--done{color:#10b981}.phase-name--current{color:#2563eb}.phase-name--pending{color:var(--text-muted)}.phase-desc{font-size:.75rem;color:var(--text-light);line-height:1.4}.phase-runtime,.workflow-meta{display:flex;flex-wrap:wrap;gap:6px;padding-top:6px;border-top:1px solid var(--border)}.phase-runtime span,.workflow-meta span{display:inline-flex;max-width:100%;padding:4px 8px;border-radius:999px;background:#f8fafc;color:var(--text-muted);font-size:.72rem;line-height:1.3}.workflow-meta{margin-top:14px}.markdown-body{font-size:.9rem;line-height:1.7;color:var(--text);word-break:break-word}.markdown-body>*:first-child{margin-top:0}.markdown-body>*:last-child{margin-bottom:0}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4{color:var(--navy);font-weight:700;line-height:1.3;margin:1.2em 0 .5em}.markdown-body h1{font-size:1.35rem}.markdown-body h2{font-size:1.1rem;border-bottom:1px solid var(--border);padding-bottom:6px}.markdown-body h3{font-size:.97rem}.markdown-body h4{font-size:.9rem}.markdown-body p{margin:.55em 0}.markdown-body ul,.markdown-body ol{margin:.5em 0;padding-left:1.6em}.markdown-body li{margin:.3em 0}.markdown-body strong{font-weight:700;color:var(--text)}.markdown-body em{font-style:italic}.markdown-body code{background:#f1f5f9;border:1px solid var(--border);border-radius:4px;font-family:ui-monospace,SFMono-Regular,Cascadia Code,monospace;font-size:.8rem;padding:1px 6px;color:#0f172a}.markdown-body pre{background:#0f172a;border-radius:8px;color:#e2e8f0;padding:16px;overflow-x:auto;margin:.9em 0}.markdown-body pre code{background:transparent;border:none;padding:0;color:inherit;font-size:.83rem}.markdown-body blockquote{border-left:3px solid #93c5fd;color:var(--text-muted);margin:.8em 0;padding:4px 14px}.markdown-body hr{border:none;border-top:1px solid var(--border);margin:1.2em 0}.markdown-body table{width:100%;border-collapse:collapse;margin:.9em 0;font-size:.84rem;display:block;overflow-x:auto}.markdown-body th,.markdown-body td{border:1px solid var(--border);padding:8px 12px;text-align:left;white-space:nowrap}.markdown-body th{background:#f8fafc;font-weight:700;color:var(--navy)}.markdown-body tr:nth-child(2n) td{background:#f8fafc}.error-retry{display:flex;flex-direction:column;gap:12px}.error-retry-text{margin:0;font-size:.88rem;color:var(--red);line-height:1.5}.retry-btn{all:unset;display:inline-flex;align-items:center;gap:7px;padding:8px 14px;background:#fff;border:1.5px solid #fca5a5;border-radius:7px;color:var(--red);font-size:.82rem;font-weight:600;cursor:pointer;transition:background .15s,border-color .15s;align-self:flex-start}.retry-btn:hover:not(:disabled){background:#fef2f2;border-color:var(--red)}.retry-btn:disabled{opacity:.45;cursor:not-allowed}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media(max-width:680px){.suggestion-grid{grid-template-columns:1fr}.welcome-heading{font-size:1.5rem}.vpc-badge{display:none}.repo-badge{max-width:170px}.app-subtitle{display:none}.message-bubble{max-width:90%}}@media(max-width:440px){.chat-input-area{padding:10px 12px}.welcome-screen{padding:32px 16px 16px}}
