:root{--amz-dark: #232F3E;--amz-orange: #FF9900;--amz-blue: #0073BB;--sidebar-w: 220px;--bg: #f5f7fa}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:#333;font-size:14px}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-w);background:var(--amz-dark);color:#fff;padding:16px 0;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:10}.sidebar-header{padding:12px 16px 20px;border-bottom:1px solid rgba(255,255,255,.15);margin-bottom:8px}.logo{font-size:28px}.app-name{font-size:13px;font-weight:600;margin-top:4px;color:var(--amz-orange)}.sidebar a{display:block;padding:10px 16px;color:#fffc;text-decoration:none;font-size:13px;transition:background .15s}.sidebar a:hover{background:rgba(255,255,255,.1);color:#fff}.sidebar a.active{background:var(--amz-orange);color:var(--amz-dark);font-weight:600}.main-content{margin-left:var(--sidebar-w);padding:24px 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#eee;font-size:13px}tr:hover{background:#f8f9fa}td a{color:var(--amz-blue);text-decoration:none}td a:hover{text-decoration:underline}.btn{display:inline-block;padding:6px 14px;border-radius:4px;font-size:13px;font-weight:500;cursor:pointer;border:1px solid #ccc;background:#fff;color:#333;text-decoration:none;margin-right:6px;transition:background .15s}.btn:hover{background:#f0f0f0}.btn-primary{background:var(--amz-orange);color:var(--amz-dark);border-color:var(--amz-orange);font-weight:600}.btn-primary:hover{background:#e88a00}.btn-danger{background:#dc3545;color:#fff;border-color:#dc3545}.btn-sm{padding:3px 8px;font-size:12px}.filters{display:flex;gap:12px;align-items:center;margin-bottom:16px;flex-wrap:wrap}.filters select{padding:6px 10px;border-radius:4px;border:1px solid #ccc;font-size:13px}.form{max-width:500px}.form label{display:block;margin-bottom:12px;font-size:13px;font-weight:500}.form input,.form textarea{display:block;width:100%;padding:8px 10px;border:1px solid #ccc;border-radius:4px;font-size:13px;margin-top:4px}.form input:focus,.form textarea:focus{outline:none;border-color:var(--amz-blue);box-shadow:0 0 0 2px #0073bb26}.form-actions{display:flex;gap:10px;margin-top:16px}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.detail-section{background:#fff;padding:16px;border-radius:8px;box-shadow:0 1px 3px #00000014}dl{display:grid;grid-template-columns:120px 1fr;gap:4px 12px;font-size:13px}dt{font-weight:600;color:#666}dd{word-break:break-all}.health-big{font-size:20px;margin:12px 0}.breakdown{font-size:13px;color:#555;line-height:1.8}.back-link{display:inline-block;margin-bottom:12px;color:var(--amz-blue);text-decoration:none;font-size:13px}.legend{display:flex;gap:16px;margin-top:8px;font-size:12px}.legend-dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:4px;vertical-align:middle}.legend-dot[data-level=excellent]{background:#28a745}.legend-dot[data-level=good]{background:#17a2b8}.legend-dot[data-level=fair]{background:#ffc107}.legend-dot[data-level=poor]{background:#dc3545}.legend-dot[data-level=broken]{background:#000}.compare-frames{display:grid;grid-template-columns:1fr 1fr;gap:16px}.compare-frame{background:#fff;padding:12px;border-radius:8px}.csv-import{margin-top:32px;padding-top:24px;border-top:1px solid #ddd}.loading{padding:40px;text-align:center;color:#666}.alert{padding:10px 14px;border-radius:4px;margin-bottom:16px;background:#f0f8ff;border:1px solid #b8daff;font-size:13px}.muted{color:#999;font-size:12px}@media (max-width: 900px){.sidebar{width:60px}.sidebar .app-name,.sidebar a span{display:none}.main-content{margin-left:60px;padding:16px}.detail-grid,.compare-frames{grid-template-columns:1fr}}.issue-bad{color:#dc3545;font-weight:700}.issue-block{margin:.75rem 0;padding:.75rem;background:#fff8f8;border-left:3px solid #dc3545;border-radius:4px}.issue-block h4{margin:0 0 .5rem;color:#dc3545}.issue-hint{font-size:.85rem;color:#666;margin:0 0 .5rem}.issue-item{font-size:.85rem;padding:.25rem 0;border-bottom:1px solid #f0f0f0}.issue-item code{font-size:.8rem;background:#f5f5f5;padding:.1rem .3rem;border-radius:2px;word-break:break-all}.error-text{color:#dc3545}.form-grid{display:grid;grid-template-columns:150px 1fr;gap:.75rem;align-items:center;max-width:600px}.form-grid label{font-weight:600;font-size:.9rem}.form-grid input,.form-grid select,.form-grid textarea{padding:.5rem;border:1px solid #ddd;border-radius:4px;font-size:.9rem}.form-grid textarea{resize:vertical}.btn-danger{background:#dc3545;color:#fff;border:none;padding:.5rem 1rem;border-radius:4px;cursor:pointer}.btn-danger:hover{background:#c82333}.btn-secondary{background:#6c757d;color:#fff;border:none;padding:.5rem 1rem;border-radius:4px;cursor:pointer}.success-msg{color:#28a745;padding:.5rem;margin:.5rem 0}.error-msg{color:#dc3545;padding:.5rem;margin:.5rem 0}.back-link{display:inline-block;margin-bottom:1rem;color:#0066c0;text-decoration:none}.back-link:hover{text-decoration:underline}body{margin:0}