:root{--color-primary: #0066ff;--color-primary-hover: #0052cc;--color-success: #10b981;--color-error: #ef4444;--color-warning: #f59e0b;--color-text-primary: #0f172a;--color-text-secondary: #64748b;--color-text-tertiary: #94a3b8;--color-bg-primary: #ffffff;--color-bg-secondary: #f8fafc;--color-bg-tertiary: #f1f5f9;--color-bg-hover: #f8fafc;--color-border: #e2e8f0;--color-border-light: #f1f5f9;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", "Monaco", "Inconsolata", "Fira Code", "Courier New", monospace;--font-size-xs: 11px;--font-size-sm: 13px;--font-size-base: 14px;--font-size-md: 16px;--font-size-lg: 18px;--font-size-xl: 20px;--font-size-2xl: 24px;--font-size-3xl: 30px;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--color-text-primary);background-color:var(--color-bg-secondary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.text-xs{font-size:var(--font-size-xs)}.text-sm{font-size:var(--font-size-sm)}.text-base{font-size:var(--font-size-base)}.text-md{font-size:var(--font-size-md)}.text-lg{font-size:var(--font-size-lg)}.text-xl{font-size:var(--font-size-xl)}.text-secondary{color:var(--color-text-secondary)}.text-tertiary{color:var(--color-text-tertiary)}.font-medium{font-weight:var(--font-weight-medium)}.font-semibold{font-weight:var(--font-weight-semibold)}.font-bold{font-weight:var(--font-weight-bold)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:10px 16px;border:none;border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);line-height:1;cursor:pointer;transition:all var(--transition-base);white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.btn-primary{background-color:var(--color-primary);color:#fff}.btn.btn-primary:hover:not(:disabled){background-color:var(--color-primary-hover)}.btn.btn-secondary{background-color:var(--color-bg-primary);color:var(--color-text-primary);border:1px solid var(--color-border)}.btn.btn-secondary:hover:not(:disabled){background-color:var(--color-bg-hover);border-color:var(--color-text-tertiary)}.btn.btn-ghost{background-color:transparent;color:var(--color-text-secondary)}.btn.btn-ghost:hover:not(:disabled){background-color:var(--color-bg-hover);color:var(--color-text-primary)}.btn.btn-sm{padding:6px 12px;font-size:var(--font-size-xs)}.form-group{margin-bottom:var(--spacing-lg)}.form-group label{display:block;margin-bottom:var(--spacing-sm);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-primary)}.form-group .form-hint{display:block;margin-top:var(--spacing-xs);font-size:var(--font-size-xs);color:var(--color-text-tertiary);font-style:italic}.form-group input,.form-group textarea{width:100%;padding:10px 12px;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--font-size-base);font-family:var(--font-family);background-color:var(--color-bg-primary);color:var(--color-text-primary);transition:all var(--transition-base)}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #0066ff1a}.form-group input::placeholder,.form-group textarea::placeholder{color:var(--color-text-tertiary)}.form-group textarea{min-height:120px;resize:vertical;line-height:var(--line-height-relaxed)}.form-group input[type=url]{font-family:var(--font-mono);font-size:var(--font-size-sm)}.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);line-height:1}.badge.badge-info{background-color:#0066ff1a;color:var(--color-primary)}.badge.badge-success{background-color:#10b9811a;color:var(--color-success)}.empty-state{text-align:center;padding:var(--spacing-2xl);color:var(--color-text-tertiary)}.empty-state .empty-icon{font-size:48px;margin-bottom:var(--spacing-md);opacity:.5}.empty-state .empty-title{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-secondary);margin-bottom:var(--spacing-sm)}.empty-state .empty-description{font-size:var(--font-size-sm);color:var(--color-text-tertiary)}.loading{display:flex;align-items:center;justify-content:center;padding:var(--spacing-xl);color:var(--color-text-tertiary);font-size:var(--font-size-sm)}.loading:before{content:"";width:16px;height:16px;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .6s linear infinite;margin-right:var(--spacing-sm)}@keyframes spin{to{transform:rotate(360deg)}}.alert{padding:12px 16px;border-radius:var(--radius-md);font-size:var(--font-size-sm);margin-bottom:var(--spacing-md)}.alert.alert-success{background-color:#10b9811a;color:var(--color-success);border:1px solid rgba(16,185,129,.2)}.alert.alert-error{background-color:#ef44441a;color:var(--color-error);border:1px solid rgba(239,68,68,.2)}