:root{--color-primary-50: #f0fdf4;--color-primary-100: #dcfce7;--color-primary-500: #22c55e;--color-primary-600: #16a34a;--color-primary-700: #15803d;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #3b82f6;--color-neutral-50: #f9fafb;--color-neutral-100: #f3f4f6;--color-neutral-200: #e5e7eb;--color-neutral-500: #6b7280;--color-neutral-700: #374151;--color-neutral-900: #111827;--font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--text-xs: 12px;--text-sm: 14px;--text-base: 16px;--text-lg: 18px;--text-xl: 20px;--text-2xl: 24px;--text-3xl: 30px;--weight-normal: 400;--weight-medium: 500;--weight-semibold: 600;--weight-bold: 700;--lh-tight: 1.2;--lh-normal: 1.5;--lh-relaxed: 1.75;--space-unit: 8px;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--radius-none: 0px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1);--card-padding: 24px;--card-radius: 12px;--card-bg: #ffffff;--card-border: 1px solid var(--color-neutral-200);--input-padding: 12px 16px;--input-radius: 8px;--input-border: 1px solid #d1d5db}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--color-neutral-50);color:var(--color-neutral-900);font-family:var(--font-family);font-size:var(--text-base);line-height:var(--lh-normal);-webkit-font-smoothing:antialiased}a{color:var(--color-primary-700);text-decoration:none}a:hover{text-decoration:underline}.app-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--color-neutral-200);display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-lg);height:60px}.topbar-brand{font-weight:var(--weight-bold);font-size:var(--text-lg);color:var(--color-neutral-900);display:flex;align-items:center;gap:var(--space-sm)}.topbar-nav,.topbar-actions{display:flex;gap:var(--space-sm);align-items:center}.container{max-width:1080px;margin:0 auto;padding:var(--space-lg);width:100%}.container-narrow{max-width:720px}.page-head{margin-bottom:var(--space-lg)}.page-head h1{margin:0 0 var(--space-xs);font-size:var(--text-3xl);font-weight:var(--weight-bold);letter-spacing:-.02em}.page-head p{margin:0;color:var(--color-neutral-500);font-size:var(--text-base)}.section-title{font-size:var(--text-lg);font-weight:var(--weight-semibold);margin:var(--space-lg) 0 var(--space-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);border:none;border-radius:var(--radius-md);padding:12px 24px;font-size:var(--text-base);font-weight:var(--weight-semibold);cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease;font-family:inherit}.btn:disabled{background:var(--color-neutral-200);color:var(--color-neutral-500);cursor:not-allowed}.btn-primary{background:var(--color-success);color:#fff}.btn-primary:hover:not(:disabled){background:#059669}.btn-secondary{background:transparent;color:var(--color-neutral-700);border:1px solid #d1d5db;font-weight:var(--weight-medium)}.btn-secondary:hover:not(:disabled){background:var(--color-neutral-50);border-color:#9ca3af}.btn-tertiary{background:transparent;color:var(--color-neutral-500);border:none;padding:8px 16px;font-size:var(--text-sm);font-weight:var(--weight-medium)}.btn-tertiary:hover:not(:disabled){color:var(--color-neutral-700)}.btn-danger{background:transparent;color:var(--color-error);border:1px solid #fecaca;font-weight:var(--weight-medium)}.btn-danger:hover:not(:disabled){background:#fef2f2}.btn-sm{padding:8px 14px;font-size:var(--text-sm)}.card{background:var(--card-bg);border:var(--card-border);border-radius:var(--card-radius);box-shadow:var(--shadow-md);padding:var(--card-padding)}.card-clickable{cursor:pointer;transition:box-shadow .15s ease,transform .15s ease,border-color .15s ease}.card-clickable:hover{box-shadow:var(--shadow-lg);border-color:var(--color-primary-500);transform:translateY(-1px)}.card-selected{border:2px solid var(--color-success);box-shadow:var(--shadow-md)}.field{margin-bottom:var(--space-lg)}.field label{display:block;font-size:var(--text-sm);font-weight:var(--weight-medium);color:var(--color-neutral-700);margin-bottom:var(--space-xs)}.input{width:100%;padding:var(--input-padding);border-radius:var(--input-radius);font-size:var(--text-base);border:var(--input-border);background:#fff;font-family:inherit;color:var(--color-neutral-900)}.input:focus{outline:none;border-color:var(--color-success);box-shadow:0 0 0 3px #10b9811a}.input.invalid{border-color:var(--color-error)}.input-valid-wrap{position:relative}.input-valid-wrap .check{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--color-success);font-weight:var(--weight-bold)}textarea.input{resize:vertical;min-height:90px}.radio-group{display:flex;gap:var(--space-sm);flex-wrap:wrap}.radio-pill{display:inline-flex;align-items:center;gap:var(--space-sm);padding:10px 16px;border:1px solid #d1d5db;border-radius:var(--radius-full);cursor:pointer;font-size:var(--text-sm);font-weight:var(--weight-medium);background:#fff;color:var(--color-neutral-700);transition:all .15s ease}.radio-pill.selected{border-color:var(--color-success);background:var(--color-primary-50);color:var(--color-primary-700)}.hint{font-size:var(--text-xs);color:var(--color-neutral-500);margin-top:var(--space-xs)}.error-text{color:var(--color-error);font-size:var(--text-sm)}.success-text{color:var(--color-success);font-size:var(--text-sm)}.ok-text{color:var(--color-success);font-weight:600}.auth-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,var(--color-primary-50) 0%,var(--color-neutral-50) 60%);padding:var(--space-lg)}.auth-card{width:100%;max-width:400px}.auth-logo{text-align:center;margin-bottom:var(--space-lg)}.auth-logo h1{font-size:var(--text-2xl);font-weight:var(--weight-bold);margin:0 0 var(--space-xs)}.auth-logo p{color:var(--color-neutral-500);margin:0;font-size:var(--text-sm)}.profile-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--space-md)}.profile-card h3{margin:0 0 var(--space-xs);font-size:var(--text-lg)}.profile-card .desc{color:var(--color-neutral-500);font-size:var(--text-sm);margin:0 0 var(--space-sm)}.quality-badge{display:inline-flex;align-items:center;gap:4px;font-size:var(--text-xs);font-weight:var(--weight-semibold);padding:3px 10px;border-radius:var(--radius-full)}.quality-good{background:var(--color-primary-100);color:var(--color-primary-700)}.quality-mid{background:#fef3c7;color:#92400e}.quality-low{background:#fee2e2;color:var(--color-error)}.quality-none{background:var(--color-neutral-100);color:var(--color-neutral-500)}.stage-list{display:flex;flex-direction:column;gap:var(--space-sm)}.stage-item{display:flex;align-items:flex-start;gap:var(--space-md);padding:var(--space-md);border:1px solid var(--color-neutral-200);border-radius:var(--radius-md);background:#fff}.stage-item.current{border-color:var(--color-primary-500);background:var(--color-primary-50);box-shadow:var(--shadow-sm)}.stage-item.error{border-color:var(--color-error);background:#fef2f2}.stage-icon{font-size:var(--text-xl);width:28px;text-align:center;flex-shrink:0}.stage-body{flex:1}.stage-name{font-weight:var(--weight-semibold);font-size:var(--text-base)}.stage-msg{color:var(--color-neutral-500);font-size:var(--text-sm);margin-top:2px}.event-log{margin-top:var(--space-md);background:var(--color-neutral-900);color:#d1d5db;border-radius:var(--radius-md);padding:var(--space-md);font-family:Consolas,SF Mono,monospace;font-size:12px;max-height:320px;overflow-y:auto}.event-log .ev{padding:2px 0;border-bottom:1px solid rgba(255,255,255,.06)}.event-log .ev-time{color:#6b7280;margin-right:8px}.spinner{width:18px;height:18px;border:2px solid var(--color-neutral-200);border-top-color:var(--color-success);border-radius:50%;animation:spin .8s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.article{max-width:760px;margin:0 auto;line-height:var(--lh-relaxed);font-size:17px;color:var(--color-neutral-900)}.article h1{font-size:2rem;letter-spacing:-.02em;line-height:var(--lh-tight);margin:0 0 var(--space-lg)}.article h2{font-size:1.4rem;margin:var(--space-xl) 0 var(--space-sm);letter-spacing:-.01em}.article h3{font-size:1.15rem;margin:var(--space-lg) 0 var(--space-sm)}.article p{margin:var(--space-md) 0}.article blockquote{border-left:3px solid var(--color-primary-500);margin:var(--space-md) 0;padding-left:var(--space-md);color:var(--color-neutral-700)}.article pre{background:var(--color-neutral-900);color:#e5e7eb;padding:var(--space-md);border-radius:var(--radius-md);overflow-x:auto}.article code{font-family:Consolas,monospace;font-size:.9em}.article li{margin:var(--space-xs) 0}.article a{color:var(--color-info);text-decoration:underline}.article table{border-collapse:collapse;width:100%;margin:var(--space-md) 0}.article th,.article td{border:1px solid var(--color-neutral-200);padding:8px 12px;text-align:left;font-size:var(--text-sm)}.article th{background:var(--color-neutral-100)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#11182780;display:flex;align-items:center;justify-content:center;z-index:100;padding:var(--space-lg)}.modal{background:#fff;border-radius:var(--card-radius);box-shadow:var(--shadow-xl);max-width:480px;width:100%;padding:var(--space-xl)}.modal h2{margin:0 0 var(--space-xs);font-size:var(--text-2xl)}.modal .sub{color:var(--color-neutral-500);font-size:var(--text-sm);margin:0 0 var(--space-lg)}.modal-actions{display:flex;justify-content:flex-end;gap:var(--space-sm);margin-top:var(--space-lg)}.studio-grid{display:grid;grid-template-columns:320px 1fr;gap:var(--space-lg);align-items:start}@media (max-width: 860px){.studio-grid{grid-template-columns:1fr}}.studio-sidebar{position:sticky;top:76px}.studio-tabs{display:flex;gap:var(--space-xs);border-bottom:1px solid var(--color-neutral-200);margin-bottom:var(--space-lg)}.studio-tab{padding:10px 16px;font-size:var(--text-sm);font-weight:var(--weight-medium);color:var(--color-neutral-500);cursor:pointer;border:none;background:none;border-bottom:2px solid transparent;font-family:inherit}.studio-tab.active{color:var(--color-primary-700);border-bottom-color:var(--color-success)}.mono{font-family:Consolas,monospace;font-size:12px;white-space:pre-wrap;background:var(--color-neutral-100);border:1px solid var(--color-neutral-200);border-radius:var(--radius-sm);padding:var(--space-sm);margin-top:var(--space-sm)}.flag-list{list-style:none;margin:var(--space-sm) 0 0;padding:0;display:flex;flex-direction:column;gap:6px}.flag-list li{font-size:var(--text-sm);color:var(--color-neutral-700);background:var(--color-neutral-50);border:1px solid var(--color-neutral-200);border-radius:var(--radius-sm);padding:6px 10px}.tag{display:inline-block;font-size:11px;font-weight:var(--weight-semibold);padding:2px 8px;border-radius:var(--radius-full);background:var(--color-neutral-100);color:var(--color-neutral-700)}.muted{color:var(--color-neutral-500)}.row{display:flex;gap:var(--space-sm);align-items:center}.row-between{display:flex;justify-content:space-between;align-items:center;gap:var(--space-sm)}.mt-sm{margin-top:var(--space-sm)}.mt-md{margin-top:var(--space-md)}.mb-md{margin-bottom:var(--space-md)}.flex-1{flex:1}.text-right{text-align:right}