:root{--bg-primary: #f0f4f8;--bg-secondary: #ffffff;--bg-tertiary: #e2e8f0;--text-primary: #1a202c;--text-secondary: #4a5568;--text-muted: #718096;--accent-primary: #00d4ff;--accent-secondary: #7c3aed;--success: #10b981;--success-bg: #d1fae5;--success-border: #a7f3d0;--error: #ef4444;--error-bg: #fee2e2;--error-border: #fecaca;--warning: #f59e0b;--warning-bg: #fef3c7;--warning-border: #fde68a;--glow-primary: rgba(0, 212, 255, .25);--glow-secondary: rgba(124, 58, 237, .25);--border-color: rgba(0, 0, 0, .1);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .06);--shadow-md: 0 4px 20px rgba(0, 0, 0, .08);--shadow-glow: 0 0 20px var(--glow-primary);--card-border: 1px solid var(--border-color);--input-bg: var(--bg-secondary);--input-border: #d1d5db;--button-secondary-bg: #e5e7eb;--button-secondary-hover: #d1d5db}[data-theme=dark]{--bg-primary: #0a0e17;--bg-secondary: #131a2b;--bg-tertiary: #1e293b;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-primary: #38bdf8;--accent-secondary: #a855f7;--success: #22c55e;--success-bg: rgba(34, 197, 94, .15);--success-border: rgba(34, 197, 94, .3);--error: #f87171;--error-bg: rgba(248, 113, 113, .15);--error-border: rgba(248, 113, 113, .3);--warning: #fbbf24;--warning-bg: rgba(251, 191, 36, .15);--warning-border: rgba(251, 191, 36, .3);--glow-primary: rgba(0, 255, 255, .3);--glow-secondary: rgba(168, 85, 247, .3);--border-color: rgba(255, 255, 255, .1);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 20px rgba(0, 0, 0, .4);--shadow-glow: 0 0 30px var(--glow-primary);--card-border: 1px solid var(--border-color);--input-bg: var(--bg-tertiary);--input-border: #374151;--button-secondary-bg: #374151;--button-secondary-hover: #4b5563}*{box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;max-width:1200px;margin:0 auto;padding:2rem;background:var(--bg-primary);color:var(--text-primary);transition:background-color .3s ease,color .3s ease}h1{color:var(--text-primary);margin-bottom:.5rem;letter-spacing:-.02em}.subtitle{color:var(--text-secondary);margin-bottom:1rem}.header-row{display:flex;align-items:center;gap:1rem;margin-bottom:2rem}.github-link{display:inline-flex;align-items:center;gap:.4rem;color:var(--text-secondary);text-decoration:none;font-size:.9rem;transition:color .2s ease}.github-link:hover{color:var(--text-primary);text-decoration:underline}.github-link svg{width:18px;height:18px}.theme-toggle{margin-left:auto;display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--bg-secondary);border:var(--card-border);border-radius:10px;cursor:pointer;transition:all .2s ease;color:var(--text-secondary)}.theme-toggle:hover{background:var(--bg-tertiary);color:var(--text-primary);box-shadow:var(--shadow-sm)}.theme-toggle svg{width:20px;height:20px;fill:currentColor;flex-shrink:0}.theme-toggle .sun-icon{display:none}.theme-toggle .moon-icon,html[data-theme=dark] .theme-toggle .sun-icon{display:block}html[data-theme=dark] .theme-toggle .moon-icon{display:none}.input-section{background:var(--bg-secondary);border-radius:12px;padding:1.5rem;margin-bottom:1.5rem;box-shadow:var(--shadow-md);border:var(--card-border);transition:background-color .3s ease,border-color .3s ease,box-shadow .3s ease}.input-section h2{margin-top:0;font-size:1.1rem;color:var(--text-secondary)}textarea{width:100%;height:300px;font-family:Monaco,Menlo,Consolas,monospace;font-size:13px;padding:1rem;border:1px solid var(--input-border);border-radius:8px;resize:vertical;tab-size:2;background:var(--input-bg);color:var(--text-primary);transition:border-color .2s ease,box-shadow .2s ease,background-color .3s ease}textarea:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--glow-primary)}.file-upload{margin-top:1rem;padding:1rem;border:2px dashed var(--input-border);border-radius:8px;text-align:center;cursor:pointer;background:var(--input-bg);transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease}.file-upload:hover{border-color:var(--accent-primary);background:var(--bg-tertiary)}.file-upload.dragover{border-color:var(--accent-primary);background:var(--bg-tertiary);box-shadow:0 0 0 3px var(--glow-primary)}.file-upload p{margin:0;color:var(--text-secondary)}.buttons{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1rem}button{padding:.75rem 1.5rem;border:none;border-radius:8px;font-size:1rem;cursor:pointer;transition:all .2s ease}button:active{transform:scale(.98)}.validate-btn{background:var(--accent-primary);color:#fff;font-weight:500;display:inline-flex;align-items:center;justify-content:center;gap:.5rem}.validate-btn:hover{filter:brightness(1.1)}.validate-btn:disabled{background:var(--accent-primary);opacity:.7;cursor:not-allowed;transform:none}.validate-btn .spinner{display:none;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.validate-btn.loading .spinner{display:block}@keyframes spin{to{transform:rotate(360deg)}}.clear-btn{background:var(--button-secondary-bg);color:var(--text-primary);border:var(--card-border)}.clear-btn:hover{background:var(--button-secondary-hover)}.example-btn{background:var(--bg-tertiary);color:var(--text-secondary);font-size:.9rem;padding:.6rem 1rem;border:var(--card-border)}.example-btn:hover{background:var(--button-secondary-bg);color:var(--text-primary)}.results-section{background:var(--bg-secondary);border-radius:12px;padding:1.5rem;box-shadow:var(--shadow-md);border:var(--card-border);transition:background-color .3s ease,border-color .3s ease,box-shadow .3s ease}.results-section h2{margin-top:0;font-size:1.1rem;color:var(--text-secondary)}.result-status{padding:1rem;border-radius:8px;margin-bottom:1rem;display:flex;align-items:center;gap:.5rem;transition:background-color .3s ease,border-color .3s ease}.result-status.valid{background:var(--success-bg);color:var(--success);border:1px solid var(--success-border);box-shadow:0 0 15px #10b98126}.result-status.invalid{background:var(--error-bg);color:var(--error);border:1px solid var(--error-border);box-shadow:0 0 15px #ef444426}.result-status.pending{background:var(--bg-tertiary);color:var(--text-secondary);border:1px solid var(--border-color)}.payload-type{display:inline-block;padding:.25rem .5rem;background:var(--border-color);border-radius:6px;font-size:.85rem;font-weight:500;margin-left:.5rem}.error-list,.warning-list{list-style:none;padding:0;margin:0}.error-group{margin-bottom:1rem;background:var(--error-bg);border:1px solid var(--error-border);border-radius:10px;overflow:hidden;transition:background-color .3s ease,border-color .3s ease}.error-group-header{background:var(--error);color:#fff;padding:.75rem 1rem;font-family:Monaco,Menlo,Consolas,monospace;font-size:.8rem;display:flex;align-items:center;gap:.5rem}.error-group-header .path-icon{opacity:.8}.error-group-header .path-text{word-break:break-all}.error-group-body{padding:0}.error-item{padding:.75rem 1rem;border-bottom:1px solid var(--error-border);display:flex;align-items:flex-start;gap:.75rem}.error-item:last-child{border-bottom:none}.error-icon{color:var(--error);font-size:1rem;flex-shrink:0;margin-top:.1rem}.error-content{flex:1;min-width:0}.error-message{color:var(--text-primary);font-size:.95rem;line-height:1.4;margin-bottom:.5rem}.error-meta{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}.error-keyword{display:inline-flex;align-items:center;gap:.25rem;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;background:var(--error);color:#fff;padding:.2rem .5rem;border-radius:4px}.error-keyword.type{background:#8b5cf6}.error-keyword.pattern{background:#3b82f6}.error-keyword.enum{background:#f97316}.error-keyword.required{background:var(--error)}.error-keyword.semantic{background:var(--success)}.error-count{display:inline-block;background:var(--error);color:#fff;font-size:.75rem;font-weight:600;padding:.2rem .6rem;border-radius:10px;margin-left:auto}.warning-group{margin-bottom:1rem;background:var(--warning-bg);border:1px solid var(--warning-border);border-radius:10px;overflow:hidden;transition:background-color .3s ease,border-color .3s ease}.warning-group-header{background:var(--warning);color:#fff;padding:.75rem 1rem;font-family:Monaco,Menlo,Consolas,monospace;font-size:.8rem;display:flex;align-items:center;gap:.5rem}.warning-item{padding:.75rem 1rem;border-bottom:1px solid var(--warning-border);display:flex;align-items:flex-start;gap:.75rem}.warning-item:last-child{border-bottom:none}.warning-icon{color:var(--warning);font-size:1rem;flex-shrink:0;margin-top:.1rem}.warning-content{flex:1;min-width:0}.warning-message{color:var(--text-primary);font-size:.95rem;line-height:1.4}.warning-suggestion{margin-top:.5rem;color:var(--text-secondary);font-size:.85rem;font-style:italic;padding-left:.75rem;border-left:2px solid var(--warning-border)}.summary-bar{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:1rem;padding:.75rem 1rem;background:var(--bg-tertiary);border-radius:8px;font-size:.9rem;align-items:center;transition:background-color .3s ease}.summary-item{display:flex;align-items:center;gap:.4rem}.summary-item.errors{color:var(--error)}.summary-item.warnings{color:var(--warning)}.copy-llm-btn{margin-left:auto;display:inline-flex;align-items:center;gap:.4rem;padding:.4rem .75rem;background:var(--accent-secondary);color:#fff;border:none;border-radius:6px;font-size:.8rem;font-weight:500;cursor:pointer;transition:all .2s ease}.copy-llm-btn:hover{filter:brightness(1.1)}.copy-llm-btn:active{transform:scale(.98)}.copy-llm-btn.copied{background:var(--success)}h3{font-size:1rem;color:var(--text-secondary);margin:1.5rem 0 .75rem}h3:first-of-type{margin-top:.5rem}.footer{margin-top:3rem;padding:1.5rem;text-align:center;color:var(--text-muted);font-size:.9rem}.footer a{color:var(--text-secondary);text-decoration:none;transition:color .2s ease}.footer a:hover{color:var(--accent-primary)}.jump-text{display:inline-flex}.jump-text span{display:inline-block;transition:transform .2s ease}.jump-text:hover span{animation:jump .4s ease}.jump-text span:nth-child(1){animation-delay:0ms}.jump-text span:nth-child(2){animation-delay:25ms}.jump-text span:nth-child(3){animation-delay:50ms}.jump-text span:nth-child(4){animation-delay:75ms}.jump-text span:nth-child(5){animation-delay:.1s}.jump-text span:nth-child(6){animation-delay:125ms}.jump-text span:nth-child(7){animation-delay:.15s}.jump-text span:nth-child(8){animation-delay:175ms}.jump-text span:nth-child(9){animation-delay:.2s}.jump-text span:nth-child(10){animation-delay:225ms}.jump-text span:nth-child(11){animation-delay:.25s}.jump-text span:nth-child(12){animation-delay:275ms}.jump-text span:nth-child(13){animation-delay:.3s}.jump-text span:nth-child(14){animation-delay:325ms}.jump-text span:nth-child(15){animation-delay:.35s}@keyframes jump{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}