:root{--fs-title: 24px;--fs-body: 15px;--fs-meta: 13px;--lh: 1.5;--font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--bg: #f4f5f7;--surface: #ffffff;--border: #d6dae1;--text: #1f2937;--text-secondary: #5b6470;--text-faint: #9aa3af;--primary: #2563eb;--primary-hover: #1d4ed8;--success: #16a34a;--success-hover: #15803d;--danger: #dc2626;--danger-hover: #b91c1c;--ghost: #f1f2f4;--ghost-hover: #e4e7eb;--radius: 8px;--control-height: 40px;color-scheme:light}*{box-sizing:border-box}html,body{margin:0}body{font-family:var(--font);font-size:var(--fs-body);line-height:var(--lh);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}h1,h2,h3{font-size:var(--fs-title);line-height:1.2}h1{margin:0 0 12px;color:var(--text);font-weight:700}h2,h3{margin:0 0 12px;color:var(--text-secondary);font-weight:600}p{font-size:var(--fs-body);line-height:var(--lh);color:var(--text)}.meta,dl dd small{font-size:var(--fs-meta);color:var(--text-faint)}.page{max-width:900px;margin:0 auto;padding:32px 24px 48px}.page--narrow{max-width:560px}.muted{color:var(--text-secondary)}.error-text{color:var(--danger);margin:8px 0}.field{display:block;margin-bottom:14px}.field>span,.field>label{display:block;margin-bottom:4px;font-size:var(--fs-body);color:var(--text-secondary)}input,textarea,select{font:inherit;font-size:var(--fs-body);color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:8px 12px;width:100%;min-height:var(--control-height)}input:focus,textarea:focus,select:focus{outline:2px solid var(--primary);outline-offset:-1px;border-color:var(--primary)}.field-row{display:flex;gap:12px;margin-bottom:14px}.field-row .field{margin-bottom:0}button{font-family:var(--font);font-size:var(--fs-body);font-weight:600;color:var(--text);background:var(--ghost);border:1px solid transparent;border-radius:var(--radius);padding:0 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18px;border-radius:var(--radius);text-decoration:none;font-weight:600;font-size:var(--fs-body);cursor:pointer}.link-btn.btn-primary{background:var(--primary);color:#fff}.link-btn.link-plain{color:var(--primary);padding:0;height:auto;font-weight:600;text-decoration:none}.link-btn.link-plain:hover{text-decoration:underline}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.table{width:100%;border-collapse:collapse;margin-top:16px;background:var(--surface)}.table th,.table td{padding:10px 12px;text-align:left;font-size:var(--fs-body);border-bottom:1px solid var(--border)}.table th{font-weight:600;color:var(--text-secondary)}.table td{color:var(--text)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}.progress-ring{position:relative;width:64px;height:64px;display:flex;align-items:center;justify-content:center}.progress-pct{position:absolute;font-size:13px;font-weight:700;color:var(--text)}.processing{display:inline-flex;align-items:center;gap:8px;font-size:var(--fs-meta);color:var(--text-secondary);font-weight:600}.spinner{width:16px;height:16px;border:2px solid var(--ghost-hover);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.upload-errors{margin-top:16px;padding:12px 16px;border:1px solid var(--danger);border-radius:var(--radius);background:#fef2f2}.upload-tile{border:2px solid var(--border)}.upload-tile-error{border-color:var(--danger);background:#fef2f2}.drag-over{outline:2px dashed var(--primary);outline-offset:-2px;opacity:.85}.facet-row{display:inline-flex;gap:4px;background:var(--ghost);border-radius:var(--radius);padding:3px;margin:16px 0 4px}.facet-btn{border:none;background:transparent;color:var(--text-secondary);height:32px;padding:0 12px;font-size:var(--fs-body);border-radius:6px;font-weight:600;gap:6px}.facet-btn:hover{background:var(--ghost-hover)}.facet-btn.facet-active{background:var(--surface);color:var(--text);box-shadow:0 1px 2px #00000014}.facet-count{font-size:var(--fs-meta);color:var(--text-faint);font-weight:600}.facet-btn.facet-active .facet-count{color:var(--primary)}.icon-btn{width:34px;height:34px;padding:0;margin-left:6px;display:inline-flex;align-items:center;justify-content:center;background:var(--surface);border:1px solid var(--border);border-radius:6px;font-size:18px;line-height:1;vertical-align:middle}.icon-btn:hover:not(:disabled){background:var(--ghost)}.icon-btn:disabled{opacity:.5;cursor:default}.device-dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px;vertical-align:middle}.device-dot.dot-online{background:var(--success)}.device-dot.dot-offline{background:var(--danger)}