@import"https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap";:root{--font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;--bg-main: #f8fafc;--bg-card: #ffffff;--bg-card-hover: #f8fafc;--bg-card-soft: #f8fafc;--border-subtle: #e2e8f0;--border-card: #e2e8f0;--border-focus: #3b82f6;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #64748b;--accent-emerald: #059669;--accent-emerald-bg: #ecfdf5;--accent-emerald-border: #a7f3d0;--accent-emerald-dark: #065f46;--accent-rose: #e11d48;--accent-rose-bg: #fff1f2;--accent-rose-border: #fecdd3;--accent-rose-dark: #9f1239;--accent-amber: #d97706;--accent-amber-bg: #fffbeb;--accent-amber-border: #fde68a;--accent-amber-dark: #92400e;--accent-blue: #2563eb;--accent-blue-bg: #eff6ff;--accent-blue-border: #bfdbfe;--accent-blue-dark: #1d4ed8;--accent-purple: #7c3aed;--accent-purple-bg: #f5f3ff;--accent-purple-border: #ddd6fe;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-card: 0 1px 3px 0 rgba(0, 0, 0, .04), 0 1px 2px -1px rgba(0, 0, 0, .04);--shadow-hover: 0 4px 6px -1px rgba(0, 0, 0, .06), 0 2px 4px -2px rgba(0, 0, 0, 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20px 18px;border-bottom:1px solid #f1f5f9}.sidebar-nav-container{padding:20px 14px;flex:1;overflow-y:auto;display:flex;flex-direction:column}.nav-group-title{font-size:11px;font-weight:700;color:#94a3b8;text-transform:uppercase;letter-spacing:.06em;padding:0 10px 6px}.sidebar-nav-list{display:flex;flex-direction:column;gap:4px}.sidebar-nav-item{display:flex;align-items:center;gap:12px;width:100%;padding:10px 14px;border-radius:var(--radius-sm);border:1px solid transparent;background:transparent;color:#475569;font-size:13px;font-weight:500;cursor:pointer;transition:all .15s ease;text-align:left}.sidebar-nav-item:hover{background-color:#f8fafc;color:#0f172a}.sidebar-nav-item.active{background-color:#eff6ff;color:#1d4ed8;font-weight:600;border-color:#bfdbfe;box-shadow:0 1px 2px #2563eb0f}.sidebar-footer{padding:16px;border-top:1px solid #f1f5f9;background-color:#fff;display:flex;flex-direction:column;gap:10px}.sidebar-status-box{display:flex;align-items:center;justify-content:space-between;background-color:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;padding:8px 12px}.status-indicator-row{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:#0f172a}.sidebar-refresh-btn{width:100%;justify-content:center}.app-workspace{flex:1;display:flex;flex-direction:column;min-width:0;min-height:100vh;background-color:var(--bg-main)}.workspace-topbar{background-color:#fff;border-bottom:1px solid var(--border-subtle);padding:16px 36px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:30;box-shadow:0 1px 2px 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#0000000a}.icon-copy-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;display:flex;align-items:center;padding:2px}.icon-copy-btn:hover{color:var(--text-primary)}.api-docs-link{display:inline-flex;align-items:center;gap:6px;color:var(--accent-blue);font-size:12px;font-weight:600;text-decoration:none}.api-docs-link:hover{text-decoration:underline}.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:24px}.metrics-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:24px}.metric-card{border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow-card);transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease;border:1px solid #e2e8f0}.metric-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-1px)}.card-success{background:linear-gradient(145deg,#fff 65%,#f0fdf4);border-color:#bbf7d0}.card-success .metric-icon-wrap{background-color:#dcfce7;color:#15803d;border:1px solid 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#86efac}.chip-warning{background-color:#fef3c7;color:#92400e;border:1px solid #fde68a}.chip-danger{background-color:#fee2e2;color:#991b1b;border:1px solid #fca5a5}.attempt-number{font-weight:700;color:var(--text-primary)}.attempt-file{font-family:var(--font-mono);font-size:12px;color:#334155;background-color:#f1f5f9;border:1px solid #cbd5e1;padding:2px 8px;border-radius:6px}.attempt-goal{font-size:13px;color:#334155;margin-bottom:12px}.error-box{background-color:#fff1f2;border:1px solid var(--accent-rose-border);border-radius:var(--radius-sm);padding:12px;margin-top:10px}.error-box-header{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:#be123c;margin-bottom:6px}.error-pre{font-family:var(--font-mono);font-size:12px;color:#9f1239;white-space:pre-wrap;line-height:1.4}.failing-tests-list{margin-top:10px}.failing-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}.fail-tag{background-color:#fee2e2;border:1px solid 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var(--border-subtle)}.stat-val{font-size:20px;font-weight:700;margin-top:2px;color:var(--text-primary)}.empty-state{padding:36px 20px;text-align:center;color:var(--text-muted);font-size:13px}.success-banner{display:flex;align-items:center;gap:10px;padding:14px 18px;background-color:#ecfdf5;border:1px solid #a7f3d0;border-radius:var(--radius-sm);color:#065f46;font-size:13px;font-weight:600}.app-toast{position:fixed;bottom:24px;right:24px;padding:12px 18px;border-radius:var(--radius-md);display:flex;align-items:center;gap:10px;font-size:13px;font-weight:500;box-shadow:0 10px 25px #00000014;z-index:100;animation:slideUp .2s ease}.toast-success{background-color:#ecfdf5;border:1px solid #a7f3d0;color:#065f46}.toast-error{background-color:#fff1f2;border:1px solid #fecdd3;color:#9f1239}.toast-close{background:transparent;border:none;color:inherit;cursor:pointer;margin-left:8px;opacity:.7}.toast-close:hover{opacity:1}@keyframes slideUp{0%{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}.spin-icon{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.studio-container{display:flex;flex-direction:column}.studio-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:24px}.studio-input-card,.studio-output-card{min-height:520px;display:flex;flex-direction:column}.scenario-selector{display:flex;flex-direction:column;gap:8px}.scenario-buttons{display:grid;grid-template-columns:1fr;gap:10px}.scenario-btn{background-color:#fff;border:1.5px solid #e2e8f0;border-radius:var(--radius-sm);padding:12px 16px;display:flex;align-items:center;gap:14px;text-align:left;cursor:pointer;transition:all .15s ease;box-shadow:0 1px 2px #00000005}.scenario-btn:hover{border-color:#93c5fd;background-color:#f8fafc}.scenario-btn.active{border-color:#2563eb;background:linear-gradient(145deg,#fff 60%,#eff6ff);box-shadow:0 2px 6px #2563eb1f}.scenario-btn strong{display:block;font-size:13px;color:var(--text-primary);margin-bottom:2px}.scenario-btn small{display:block;font-size:11.5px;color:var(--text-muted)}.code-editor-textarea{width:100%;background-color:#fff;border:1.5px solid #cbd5e1;border-radius:var(--radius-sm);padding:12px 14px;font-size:12.5px;line-height:1.6;color:#0f172a;outline:none;resize:vertical;transition:border-color .15s ease;box-shadow:inset 0 1px 2px #00000008}.code-editor-textarea:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px #3b82f626}.run-studio-btn{box-shadow:0 4px 10px #2563eb40;font-size:14px;letter-spacing:-.2px}.run-studio-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 14px #2563eb4d}.studio-result-view{display:flex;flex-direction:column}.result-alert{display:flex;align-items:flex-start;gap:14px;padding:16px 20px;border-radius:var(--radius-md);box-shadow:0 1px 3px #0000000a}.result-alert strong{display:block;font-size:14px;margin-bottom:3px}.result-alert p{font-size:12.5px;line-height:1.5;margin:0}.alert-accepted{background:linear-gradient(135deg,#ecfdf5,#fff 80%);border:1.5px solid #86efac;color:#065f46}.alert-rollback{background:linear-gradient(135deg,#fffbeb,#fff 80%);border:1.5px solid #fde68a;color:#92400e}@media(max-width:1024px){.studio-grid{grid-template-columns:1fr}.metrics-grid{grid-template-columns:repeat(2,1fr)}.dashboard-columns,.settings-grid,.diff-container{grid-template-columns:1fr}}@media(max-width:640px){.site-header{padding:0 16px}.main-content{padding:20px 16px}.header-inner{height:auto;padding:14px 0;flex-direction:column;align-items:flex-start;gap:12px}.hero-banner{flex-direction:column;align-items:flex-start}.metrics-grid,.metrics-grid-3,.stats-row{grid-template-columns:1fr}}