:root{--bg: #f6f7f9;--panel: #ffffff;--text: #1c1f24;--muted: #6b7280;--border: #e2e5ea;--accent: #2563eb;--error: #b91c1c;font-family:system-ui,-apple-system,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.login{text-align:center;padding-top:4rem}.app main{max-width:64rem;margin:1.5rem auto;padding:0 1rem}.topbar{display:flex;align-items:center;gap:1rem;padding:.6rem 1rem;background:var(--panel);border-bottom:1px solid var(--border)}.topbar .brand{font-weight:700}.topbar nav{display:flex;gap:.75rem}.topbar nav a{color:var(--muted);text-decoration:none;padding:.25rem .5rem;border-radius:4px}.topbar nav a.active{color:var(--accent);background:#eef2ff}.spacer{flex:1}.panel{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:1rem 1.25rem}.muted{color:var(--muted)}.panel-section{margin-top:2rem;padding-top:1.25rem;border-top:1px solid var(--border)}.error{color:var(--error)}button{padding:.35rem .8rem;border:1px solid var(--border);border-radius:6px;background:var(--panel);cursor:pointer}button:not(:disabled):hover{border-color:var(--accent);color:var(--accent)}button:disabled{opacity:.5;cursor:default}.balance-line{display:flex;align-items:baseline;gap:.75rem;flex-wrap:wrap;margin-top:.75rem}.balance-amount{font-size:1.4rem;font-weight:700}.is-credit{color:#15803d}.activity-filters{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin:.75rem 0}.activity-thumb{padding:0;border:1px solid var(--border);border-radius:4px;background:none;cursor:zoom-in;line-height:0}.activity-thumb img{width:72px;height:48px;object-fit:cover;border-radius:3px}.activity-preview{display:block;max-width:100%;margin:0 auto}.activity-detail{display:block;max-width:22rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.activity-pager{display:flex;align-items:center;gap:.75rem;margin-top:.75rem}.activity-figures{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;margin:.75rem 0}.activity-figure dt{color:var(--muted);font-size:.8rem}.activity-figure dd{margin:0;font-size:1.15rem;font-weight:600}