:root{color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,sans-serif;--border: #d9dce1;--muted: #6b7280;--accent: #2563eb;--danger: #dc2626;--bg: #f6f7f9}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:#111827}button{font:inherit;padding:6px 14px;border:1px solid var(--accent);background:var(--accent);color:#fff;border-radius:6px;cursor:pointer}button:disabled{opacity:.5;cursor:default}button.ghost{background:transparent;color:var(--accent)}button.danger{background:var(--danger);border-color:var(--danger)}input,select,textarea{font:inherit;padding:6px 8px;border:1px solid var(--border);border-radius:6px;background:#fff}.center-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px}.layout{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:16px;padding:10px 20px;background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.topbar .brand{font-weight:700}.topbar nav{display:flex;gap:4px}.topbar nav a{padding:6px 10px;border-radius:6px;color:#374151;text-decoration:none}.topbar nav a.active{background:#e8effd;color:var(--accent);font-weight:600}.topbar .spacer{flex:1}.content{padding:20px;max-width:1200px;width:100%;margin:0 auto}.muted{color:var(--muted)}.error{color:var(--danger)}h1{font-size:22px}h2{font-size:17px;margin:24px 0 8px}table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);border-radius:8px;overflow:hidden}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);font-size:13px;vertical-align:top}th{background:#f3f4f6;font-weight:600;white-space:nowrap}tr:last-child td{border-bottom:none}.cards{display:flex;gap:12px;flex-wrap:wrap}.card{background:#fff;border:1px solid var(--border);border-radius:8px;padding:14px 18px;min-width:180px}.card .value{font-size:26px;font-weight:700}.card .label{color:var(--muted);font-size:13px}.badge{display:inline-block;padding:1px 8px;border-radius:999px;font-size:12px;background:#e5e7eb}.badge.open{background:#fee2e2;color:#991b1b}.badge.high{background:#fef3c7;color:#92400e}.badge.resolved,.badge.ok{background:#dcfce7;color:#166534}.badge.stopped{background:#fee2e2;color:#991b1b}.form-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:8px 0}.thumb{max-width:160px;max-height:160px;border-radius:6px;border:1px solid var(--border)}.message-log{background:#fff;border:1px solid var(--border);border-radius:8px;padding:10px;max-height:420px;overflow-y:auto;font-size:13px}.message-log .row{padding:6px 4px;border-bottom:1px solid #f0f1f3}.message-log .row:last-child{border-bottom:none}.section{margin-bottom:28px}pre.json{font-size:12px;background:#f3f4f6;padding:6px;border-radius:6px;white-space:pre-wrap;word-break:break-all;margin:0}