*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #ffffff;--surface: #f5f5f5;--surface2: #ebebeb;--border: #d0d0d0;--accent: #2563eb;--accent-hover: #1d4ed8;--text: #111111;--text-muted: #666666;--radius: 8px;--radius-sm: 4px}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;line-height:1.5;min-height:100vh}.app{max-width:720px;margin:0 auto;padding:48px 24px 80px}.back-link{display:inline-block;color:var(--text-muted);text-decoration:none;font-size:13px;font-weight:600;margin-bottom:24px}.back-link:hover{color:var(--accent)}.header{text-align:center;margin-bottom:40px}.header h1{font-size:2rem;font-weight:700;letter-spacing:-.02em}.subtitle{color:var(--text-muted);margin-top:8px}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);background:var(--surface);padding:56px 24px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s;outline:none}.dropzone:hover,.dropzone:focus{border-color:var(--accent);background:var(--surface2)}.dropzone.dragover{border-color:var(--accent);background:var(--surface2)}.dropzone__inner{pointer-events:none}.dropzone__icon{color:var(--text-muted);margin:0 auto 16px;display:block}.dropzone__text{font-size:1rem;color:var(--text)}.dropzone__browse{color:var(--accent);text-decoration:underline}.dropzone__hint{color:var(--text-muted);font-size:12px;margin-top:6px}.result{margin-top:8px}.panel{margin-top:20px;padding:20px 24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.section-title{font-size:12px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:14px}.status-message{color:var(--text-muted);font-size:13px}.kv-table{width:100%;border-collapse:collapse}.kv-table tr{border-bottom:1px solid var(--border)}.kv-table tr:last-child{border-bottom:none}.kv-table th,.kv-table td{text-align:left;padding:10px 4px;font-size:13px;vertical-align:top}.kv-table th{color:var(--text-muted);font-weight:600;width:160px;white-space:nowrap}.kv-table td{color:var(--text);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;word-break:break-word}.gps-line{margin-top:14px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;color:var(--text)}.actions{display:flex;justify-content:flex-end;margin-top:20px}.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:background .15s,color .15s,border-color .15s;line-height:1}.btn--secondary{background:transparent;color:var(--text-muted);border-color:var(--border)}.btn--secondary:hover{color:var(--text);border-color:var(--text-muted)}.btn:disabled{opacity:.4;cursor:not-allowed}@media(max-width:480px){.kv-table th{width:120px}}