:root{--bg: #f6f7f9;--panel: #ffffff;--ink: #1c2430;--ink-soft: #5b6675;--line: #e2e6ec;--accent: #2563eb;--accent-ink: #ffffff;--yellow: #fff4cc;--yellow-line: #f0d264;--red: #ffe0e0;--red-line: #f0a0a0;--green: #e6f6ea;--shadow: 0 1px 3px rgba(20, 30, 45, .08);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5}.app{max-width:1180px;margin:0 auto;padding:20px 24px 60px}.app-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.brand{display:flex;align-items:center;gap:12px}.logo{width:48px;height:48px;display:block;border-radius:10px}.tagline{margin:0;color:var(--ink-soft);font-size:13px}.privacy-badge{background:var(--green);border:1px solid #bfe3c8;color:#1f7a3a;padding:6px 12px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}.dropzone{border:2px dashed #c2ccd8;border-radius:14px;background:var(--panel);padding:64px 24px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s}.dropzone.dragging{border-color:var(--accent);background:#eef4ff}.dz-icon{font-size:40px}.dz-title{font-size:18px;font-weight:600;margin:12px 0 4px}.dz-sub{color:var(--ink-soft);margin:0 0 16px}.dz-note{color:var(--ink-soft);font-size:12px;margin:0}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:32px;box-shadow:var(--shadow)}.center{text-align:center}.error-panel .error-title{font-weight:700;font-size:16px}.error-panel .error-detail{color:var(--ink-soft);word-break:break-word}.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}.file-chip{font-weight:600}.stat{font-size:12px;padding:3px 9px;border-radius:999px;background:#eef1f5;color:var(--ink-soft)}.stat.warn{background:var(--yellow);color:#8a6d10}.stat.ok{background:var(--green);color:#1f7a3a}.notice{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:10px;margin-bottom:16px;border:1px solid}.notice p{margin:4px 0 0;font-size:13px}.notice-warn{background:var(--yellow);border-color:var(--yellow-line);color:#7a5f0a}.notice-error{background:var(--red);border-color:var(--red-line);color:#8f2b2b}.notice-icon{font-size:20px}.workspace{display:grid;grid-template-columns:1fr 320px;gap:18px;align-items:start}@media (max-width: 900px){.workspace{grid-template-columns:1fr}}.grid-wrap{background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);overflow:hidden}.grid-legend{display:flex;gap:16px;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line);font-size:12px;color:var(--ink-soft);flex-wrap:wrap}.legend-item{display:inline-flex;align-items:center;gap:6px}.swatch{width:12px;height:12px;border-radius:3px;display:inline-block;border:1px solid}.swatch.red{background:var(--red);border-color:var(--red-line)}.swatch.yellow{background:var(--yellow);border-color:var(--yellow-line)}.legend-note{margin-left:auto}.grid-scroll{overflow-x:auto;max-height:62vh;overflow-y:auto}table.grid{border-collapse:collapse;width:100%;font-size:13px}table.grid td{border:1px solid var(--line);padding:0}.row-num{background:#f3f5f8;color:var(--ink-soft);text-align:center;width:34px;font-size:11px;user-select:none;position:sticky;left:0}.header-row{position:sticky;top:0;z-index:1}.header-cell{background:#eef2f8;font-weight:700}.cell{min-width:90px}.cell-text{display:block;padding:6px 9px;white-space:nowrap;min-height:28px}.cell-yellow{background:var(--yellow)}.cell-red{background:var(--red)}.cell-input{width:100%;border:2px solid var(--accent);padding:5px 8px;font:inherit;outline:none}.side-col{display:flex;flex-direction:column;gap:14px}.side-panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px;box-shadow:var(--shadow)}.side-panel h2{margin:0 0 6px;font-size:14px}.panel-hint{color:var(--ink-soft);font-size:12px;margin:0 0 10px}.panel-warn{color:#a06a10;font-size:12px;margin:6px 0 0}.panel-warn.tiny{font-size:11px}.mapping-list{display:flex;flex-direction:column;gap:8px}.mapping-row{display:grid;grid-template-columns:1fr auto 1.2fr;align-items:center;gap:6px}.mapping-source{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.mapping-arrow{color:var(--ink-soft)}.mapping-select,.template-input{width:100%;padding:6px 8px;border:1px solid var(--line);border-radius:8px;font:inherit;background:#fff}.template-save{display:flex;gap:8px;align-items:center}.template-applied{color:#1f7a3a;font-weight:600;font-size:13px;margin:0 0 8px}.export-bar{margin-top:18px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px;box-shadow:var(--shadow);display:flex;align-items:center;gap:16px;flex-wrap:wrap}.export-summary{display:flex;gap:16px;color:var(--ink-soft);font-size:13px;flex-wrap:wrap}.export-summary .warn{color:#a06a10;font-weight:600}.export-actions{margin-left:auto;display:flex;gap:10px}.export-note{flex-basis:100%;margin:4px 0 0;font-size:12px}.export-note.warn{color:#a06a10}.export-note.error{color:#a83232;font-weight:600}.btn{border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 14px;border-radius:8px;font:inherit;font-weight:600;cursor:pointer;transition:background .12s,border-color .12s}.btn:hover{background:#f2f5f9}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn.primary:hover{background:#1d54cf}.btn.ghost{background:transparent}.btn.small{padding:6px 10px;font-size:12px}.btn:disabled{opacity:.5;cursor:not-allowed}.spinner{width:28px;height:28px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;margin:0 auto 12px;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.app-footer{margin-top:32px;padding-top:16px;border-top:1px solid var(--line);color:var(--ink-soft);font-size:12px;text-align:center}code{background:#eef1f5;padding:1px 5px;border-radius:4px;font-size:12px}