:root{
  --bg:#f8f9fb;
  --card:#ffffff;
  --text:#1e293b;
  --muted:#64748b;
  --border:#e2e8f0;
  --accent:#4f46e5;
  --accent-hover:#4338ca;
  --success:#10b981;
  --warning:#f59e0b;
  --danger:#ef4444;
  --shadow:0 1px 3px rgba(0,0,0,0.05),0 1px 2px rgba(0,0,0,0.03);
  --shadow-lg:0 10px 15px -3px rgba(0,0,0,0.08),0 4px 6px -2px rgba(0,0,0,0.03);
  --glass:rgba(0,0,0,0.02);
  --row-even:rgba(0,0,0,0.02);
}

/* Dark theme */
body.dark{
  --bg:#0f1724;
  --card:#1a2332;
  --text:#e6eef8;
  --muted:#9aa3b2;
  --border:#2d3748;
  --accent:#4f8ef7;
  --glass:rgba(255,255,255,0.03);
  --row-even:rgba(255,255,255,0.02);
}

*{box-sizing:border-box;margin:0;padding:0}
html{height:100%;scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;height:100%;margin:0;background:var(--bg);color:var(--text);line-height:1.6}
.app{max-width:1400px;margin:0 auto;padding:24px}
.card{background:var(--card);border-radius:0;padding:20px;margin-bottom:16px;box-shadow:var(--shadow);border:1px solid var(--border);transition:box-shadow 0.2s}
.card:hover{box-shadow:var(--shadow-lg)}
.app-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px;padding:20px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-radius:0;color:white;box-shadow:var(--shadow-lg)}
.app-header h1{margin:0 0 6px;font-size:1.75rem;font-weight:700}
.app-header .muted{color:rgba(255,255,255,0.9);margin:0;font-size:0.95rem}
.toggles{display:flex;gap:16px;flex-wrap:wrap}

.top-nav{padding:12px 20px;display:flex;gap:12px;align-items:center;background:var(--card)}
.top-nav a{color:var(--muted);text-decoration:none;transition:color 0.2s}
.top-nav a:hover{color:var(--accent)}
.uploader{display:flex;gap:20px;align-items:flex-start;flex-wrap:wrap}
.uploader-left{flex:1;min-width:320px}
.uploader-right{flex:1;min-width:320px}
.dropzone{border:2px dashed var(--border);padding:30px;border-radius:0;text-align:center;cursor:pointer;background:linear-gradient(135deg,rgba(79,70,229,0.02),rgba(168,85,247,0.02));transition:all 0.2s;font-weight:500}
.dropzone:hover{border-color:var(--accent);background:linear-gradient(135deg,rgba(79,70,229,0.05),rgba(168,85,247,0.05));transform:translateY(-2px)}
input[type=file]{width:100%;margin-top:12px;padding:10px;border:1px solid var(--border);border-radius:0;background:var(--card)}
.file-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.file-item{display:flex;gap:12px;align-items:center;padding:12px;border-radius:0;background:var(--card);border:1px solid var(--border);transition:all 0.2s}
.file-item:hover{border-color:var(--accent);box-shadow:0 2px 8px rgba(79,70,229,0.1)}
.file-item .file-name{font-weight:600;color:var(--text)}
.file-item .file-meta{margin-left:auto;font-size:0.85rem;color:var(--muted)}
.file-actions{display:flex;gap:8px;margin-left:12px}
.uploader-hint{margin-top:12px;font-size:0.85rem;color:var(--muted);line-height:1.5}
.uploader-right{flex:1}
.controls-row{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.btn{background:white;color:var(--text);border:1px solid var(--border);padding:10px 18px;border-radius:0;cursor:pointer;font-size:0.9rem;font-weight:500;transition:all 0.2s;white-space:nowrap}
.btn:hover{background:#f8f9fb;transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,0,0,0.1)}
.btn:disabled{opacity:0.5;cursor:not-allowed;transform:none}
.btn.small{padding:6px 12px;font-size:0.85rem}
.btn.ghost{background:transparent;border:1px solid var(--border)}
.btn.ghost:hover{background:var(--glass)}
.btn.primary{background:#4f46e5;border:none;color:white;box-shadow:0 4px 12px rgba(79,70,229,0.3)}
.btn.primary:hover{background:#4338ca;box-shadow:0 6px 16px rgba(79,70,229,0.4)}
.filters-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.filters-row select,.filters-row input{padding:10px 12px;border-radius:0;border:1px solid var(--border);background:var(--card);color:var(--text);min-width:160px;font-size:0.9rem;transition:all 0.2s}
.filters-row select:focus,.filters-row input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(79,70,229,0.1)}
.summary{margin-top:12px;padding:16px;background:linear-gradient(135deg,#f8f9fb,#ffffff);border:1px solid var(--border);border-radius:0}
.summary .stat-row{display:flex;gap:16px;flex-wrap:wrap}
.stat{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;background:white;border:1px solid var(--border);border-radius:0;color:var(--text);font-weight:600;font-size:0.9rem;transition:all 0.2s}
.stat:hover{transform:translateY(-1px);box-shadow:0 2px 8px rgba(0,0,0,0.05)}
.results-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--border)}
.results-top h2{margin:0;font-size:1.25rem;font-weight:700}
.results-top small{color:var(--muted);font-weight:400;margin-left:8px}
.actions{display:flex;gap:8px}

.preview-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.preview-top h3{margin:0;font-size:1.1rem;font-weight:600}
.preview-actions{display:flex;gap:8px}
.table-wrap{overflow:auto;max-height:600px;border-radius:0;margin-top:16px;border:1px solid var(--border)}
.tickets-table{width:100%;border-collapse:separate;border-spacing:0;font-size:0.9rem}
.tickets-table thead th{position:sticky;top:0;background:linear-gradient(180deg,#f8fafc,#f1f5f9);padding:14px 16px;text-align:left;font-size:0.85rem;font-weight:600;text-transform:uppercase;letter-spacing:0.5px;color:var(--muted);border-bottom:2px solid var(--border);z-index:10}
.tickets-table tbody tr{border-bottom:1px solid #f1f5f9;transition:all 0.15s}
.tickets-table tbody tr:hover{background:#f8fafc;transform:scale(1.001)}
.tickets-table td{padding:14px 16px;vertical-align:middle}
.tickets-table tbody tr:last-child{border-bottom:none}
.tickets-table tbody tr.ticket-row{cursor:pointer}
.tickets-table tbody tr.ticket-row:hover{background:#f8fafc}
.badge{display:inline-block;padding:4px 10px;border-radius:0;background:rgba(0,0,0,0.05);color:var(--muted);font-size:0.8rem;font-weight:500}
.fop-badge{display:inline-block;padding:4px 10px;border-radius:0;background:rgba(79,70,229,0.1);color:var(--accent);font-weight:600;font-size:0.85rem}
.badge.warn{background:#fef3c7;color:#92400e;border:1px solid #fde68a}
.badge.danger{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
.right{text-align:right}
.raw-card .raw-text{max-height:400px;overflow:auto;background:#f8fafc;padding:16px;border-radius:0;border:1px solid var(--border);font-family:'Courier New',monospace;font-size:0.85rem;line-height:1.6}
.json-preview{max-height:500px;overflow:auto;background:#f8fafc;padding:16px;border-radius:0;border:1px solid var(--border);color:var(--text);font-family:'Courier New',monospace;font-size:0.85rem;line-height:1.6}
.muted{color:var(--muted)}
.right{text-align:right}
.hidden{display:none}

.app-footer{text-align:center;padding:24px;color:var(--muted);font-size:0.85rem;border-top:1px solid var(--border);margin-top:40px}
.switch{display:inline-flex;gap:10px;align-items:center;cursor:pointer;padding:6px 12px;background:rgba(255,255,255,0.95);border-radius:0;border:1px solid rgba(255,255,255,0.1);transition:all 0.2s}
.switch:hover{background:white}
.switch input[type="checkbox"]{cursor:pointer;width:16px;height:16px}
.switch span{color:white;font-weight:500;font-size:0.9rem}
.load-more-row{display:flex;gap:16px;align-items:center;justify-content:center;margin-top:16px;padding:16px;flex-direction:column}
.load-more-row .btn{min-width:200px}
.errors-list{color:var(--danger);margin:0;padding-left:20px;line-height:1.8}
.errors-list li{margin-bottom:8px}
.ticket-row .warning-icon{color:var(--danger);margin-right:8px;font-weight:700}
.ticket-details{background:linear-gradient(135deg,#f8f9fb,#ffffff);padding:16px;display:grid;grid-template-columns:repeat(2,1fr);gap:16px;border:1px solid var(--border);border-radius:0}
.ticket-details pre{background:#f8fafc;padding:12px;border-radius:0;overflow:auto;border:1px solid var(--border);font-size:0.85rem;line-height:1.6}
.hidden{display:none}

/* Modal styles */
.modal{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn 0.2s}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal.hidden{display:none}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,0.5);backdrop-filter:blur(4px)}
.modal-panel{position:relative;background:var(--card);border-radius:0;max-width:1000px;width:94%;max-height:90vh;overflow:auto;padding:24px;box-shadow:var(--shadow-lg);border:1px solid var(--border);animation:slideUp 0.3s}
@keyframes slideUp{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}
.modal-header{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;padding-bottom:16px;border-bottom:2px solid var(--border)}
.modal-header h3{margin:0;font-size:1.25rem;font-weight:700}
.modal-header .actions{display:flex;gap:8px}
.modal-body{background:var(--glass);padding:16px;border-radius:0;color:var(--text);border:1px solid var(--border)}
.modal-footer{display:flex;gap:10px;justify-content:flex-end;margin-top:16px;padding-top:16px;border-top:1px solid var(--border)}
.modal-panel pre{background:#f8fafc;padding:12px;border-radius:0;max-height:400px;overflow:auto;border:1px solid var(--border);font-size:0.85rem;line-height:1.6}

/* Responsive */
@media (max-width:1024px){
  .app{padding:16px}
  .uploader{flex-direction:column}
  .uploader-left,.uploader-right{flex:1;width:100%}
}
@media (max-width:880px){
  .ticket-details{grid-template-columns:1fr}
  .controls-row,.filters-row{flex-direction:column;align-items:stretch}
  .controls-row .btn,.filters-row select,.filters-row input{width:100%}
}