:root{--color-brand: #2563eb;--color-brand-hover: #1d4ed8;--color-brand-light: #eff6ff;--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-bg: #ffffff;--color-surface: #f9fafb;--color-card-bg: #f8f8f8;--color-border: #e5e7eb;--color-text: #111827;--color-text-muted: #6b7280;--color-muted: #6b7280;--color-text-subtle: #9ca3af;--color-success: #16a34a;--color-success-light: #f0fdf4;--color-warning: #d97706;--color-warning-light: #fffbeb;--color-error: #dc2626;--color-error-light: #fef2f2;--font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", "Consolas", monospace;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);--sidebar-width: 220px;--topbar-height: 56px;--max-width: 960px;--content-max-width: 960px}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;font-family:var(--font-stack);color:var(--color-text);background:var(--color-bg);min-height:100vh}a{color:var(--color-brand);text-decoration:none}a:hover{text-decoration:underline}code{background:var(--color-surface);padding:2px 6px;border-radius:var(--radius-sm);font-size:.9em;font-family:var(--font-mono)}.app-shell{display:flex;flex-direction:column;min-height:100vh}.app-header{display:flex;align-items:center;justify-content:space-between;padding:0 32px;height:var(--topbar-height);border-bottom:1px solid var(--color-border)}.brand{font-weight:700;font-size:20px;color:var(--color-text);letter-spacing:-.3px}.brand:hover{text-decoration:none}.nav-links{display:flex;align-items:center;gap:20px}.nav-links .cta{background:var(--color-brand);color:#fff;padding:8px 16px;border-radius:var(--radius-md);font-weight:500;font-size:14px}.nav-links .cta:hover{background:var(--color-brand-hover);text-decoration:none}.app-main{flex:1;width:100%;max-width:var(--max-width);margin:0 auto;padding:48px 32px}.app-footer{border-top:1px solid var(--color-border);padding:16px 32px;display:flex;justify-content:space-between;align-items:center;color:var(--color-text-muted);font-size:14px}.app-shell-auth{display:flex;flex-direction:column;height:100vh;overflow:hidden}.app-topbar{height:var(--topbar-height);flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:0 24px;border-bottom:1px solid var(--color-border);background:var(--color-bg);z-index:10}.app-body{display:flex;flex:1;overflow:hidden}.app-sidebar{width:var(--sidebar-width);flex-shrink:0;border-right:1px solid var(--color-border);background:var(--color-bg);overflow-y:auto;padding:12px 0}.sidebar-nav{list-style:none;margin:0;padding:0}.sidebar-nav li{margin:0}.sidebar-item{display:flex;align-items:center;gap:10px;padding:10px 20px;color:var(--color-text-muted);font-size:14px;font-weight:500;text-decoration:none;transition:background .1s,color .1s}.sidebar-item:hover{background:var(--color-surface);color:var(--color-text);text-decoration:none}.sidebar-item.active{background:var(--color-brand-light);color:var(--color-brand)}.sidebar-divider{height:1px;background:var(--color-border);margin:10px 16px}.app-content{flex:1;overflow-y:auto;padding:36px 40px;max-width:calc(var(--content-max-width) + 80px)}.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:var(--radius-md);font-weight:500;font-size:14px;border:1px solid transparent;cursor:pointer;font-family:var(--font-stack);text-decoration:none;transition:background .1s,border-color .1s}.btn:hover{text-decoration:none}.btn-primary{background:var(--color-brand);color:#fff}.btn-primary:hover{background:var(--color-brand-hover)}.btn-secondary{background:transparent;color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover{background:var(--color-surface)}.btn-danger{background:transparent;color:var(--color-error);border-color:var(--color-error)}.btn-danger:hover{background:var(--color-error-light)}.btn-sm{padding:6px 12px;font-size:13px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.page-header h1{margin:0;font-size:22px;font-weight:600}.card{padding:24px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg)}.card h3{margin-top:0;margin-bottom:12px;font-size:15px;font-weight:600}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:36px}.stat-card{padding:20px 24px;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:4px;cursor:pointer;transition:box-shadow .15s;text-decoration:none;color:inherit}.stat-card:hover{box-shadow:var(--shadow-md);text-decoration:none}.stat-card-value{font-size:28px;font-weight:700;line-height:1;color:var(--color-text)}.stat-card-label{font-size:13px;color:var(--color-text-muted);font-weight:500}.empty-state{display:flex;flex-direction:column;align-items:center;text-align:center;padding:64px 32px;color:var(--color-text-muted)}.empty-state-icon{color:var(--color-text-subtle);margin-bottom:16px}.empty-state h3{margin:0 0 8px;font-size:16px;font-weight:600;color:var(--color-text)}.empty-state p{margin:0 0 24px;font-size:14px;max-width:320px;line-height:1.6}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:99px;font-size:12px;font-weight:500}.badge-green{background:var(--color-success-light);color:var(--color-success)}.badge-amber{background:var(--color-warning-light);color:var(--color-warning)}.badge-grey{background:var(--color-surface);color:var(--color-text-muted);border:1px solid var(--color-border)}.badge-blue{background:var(--color-brand-light);color:var(--color-brand)}.tag-chip{display:inline-flex;align-items:center;padding:2px 8px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:99px;font-size:12px;color:var(--color-text-muted)}.form-field{display:flex;flex-direction:column;gap:6px;margin-bottom:20px}.form-label{font-size:14px;font-weight:500;color:var(--color-text)}.form-label .required{color:var(--color-error);margin-left:2px}.form-hint{font-size:12px;color:var(--color-text-muted);line-height:1.5}.form-error{font-size:12px;color:var(--color-error)}.form-input,.form-textarea{width:100%;padding:9px 12px;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:14px;font-family:var(--font-stack);color:var(--color-text);background:var(--color-bg);outline:none;transition:border-color .15s}.form-input:focus,.form-textarea:focus{border-color:var(--color-brand)}.form-input.error,.form-textarea.error{border-color:var(--color-error)}.form-textarea{resize:vertical;min-height:120px;line-height:1.6}.char-count{font-size:12px;color:var(--color-text-subtle);text-align:right}.char-count.over{color:var(--color-error)}.toggle-row{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;padding:20px;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg)}.toggle-info{flex:1}.toggle-info h4{margin:0 0 4px;font-size:14px;font-weight:600}.toggle-info p{margin:0;font-size:13px;color:var(--color-text-muted);line-height:1.5}.toggle-switch{position:relative;display:inline-block;width:44px;height:24px;flex-shrink:0}.toggle-switch input{opacity:0;width:0;height:0}.toggle-track{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--color-border);border-radius:99px;cursor:pointer;transition:background .2s}.toggle-track:before{content:"";position:absolute;height:18px;width:18px;left:3px;top:3px;background:#fff;border-radius:50%;transition:transform .2s;box-shadow:var(--shadow-sm)}.toggle-switch input:checked+.toggle-track{background:var(--color-brand)}.toggle-switch input:checked+.toggle-track:before{transform:translate(20px)}.settings-tabs{display:flex;gap:0;border-bottom:1px solid var(--color-border);margin-bottom:32px}.settings-tab{padding:10px 20px;font-size:14px;font-weight:500;color:var(--color-text-muted);cursor:pointer;border:none;background:none;border-bottom:2px solid transparent;margin-bottom:-1px;font-family:var(--font-stack);transition:color .1s,border-color .1s}.settings-tab:hover{color:var(--color-text)}.settings-tab.active{color:var(--color-brand);border-bottom-color:var(--color-brand)}.quick-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:36px}.section-title{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--color-text)}.activity-list{display:flex;flex-direction:column;gap:1px;border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden}.activity-row{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:var(--color-bg);font-size:14px;text-decoration:none;color:var(--color-text);transition:background .1s}.activity-row:hover{background:var(--color-surface);text-decoration:none}.activity-row+.activity-row{border-top:1px solid var(--color-border)}.activity-meta{display:flex;align-items:center;gap:8px;color:var(--color-text-muted);font-size:13px}.hero{max-width:680px}.hero h1{font-size:42px;line-height:1.2;margin:0 0 16px;font-weight:700;letter-spacing:-.5px}.lede{font-size:18px;color:var(--color-text-muted);margin-bottom:32px;line-height:1.6}.hero-cta{display:flex;gap:12px;margin-bottom:64px}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}.feature{padding:24px;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-bg)}.feature h3{margin:0 0 8px;font-size:15px;font-weight:600}.feature p{margin:0;color:var(--color-text-muted);font-size:14px;line-height:1.5}.auth-wrap{display:flex;justify-content:center;padding:24px 0}.legal{max-width:720px;line-height:1.7}.legal h1{margin-bottom:8px}.legal h2{margin-top:32px;margin-bottom:8px}.legal ul{padding-left:22px}.legal li{margin:4px 0}.muted{color:var(--color-text-muted)}.subtle{color:var(--color-text-subtle)}.not-found{text-align:center;padding:64px 0}.not-found h1{font-size:72px;margin:0}.api-result{margin-top:16px;padding:12px;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-md);white-space:pre-wrap;word-break:break-all;font-size:13px;font-family:var(--font-mono)}.dashboard h1{margin-bottom:8px}