:root{--text:#2b2830;--text-muted:#6b6375;--bg:#fdfcfb;--surface:#fff;--border:#e5e4e7;--accent:#aa3bff;--danger:#c0392b;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;font:15px/1.5 system-ui,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--text:#e8e6ea;--text-muted:#9ca3af;--bg:#16171d;--surface:#1f2028;--border:#2e303a;--accent:#c084fc}}:root[data-theme=dark]{--text:#e8e6ea;--text-muted:#9ca3af;--bg:#16171d;--surface:#1f2028;--border:#2e303a;--accent:#c084fc}:root[data-theme=light]{--text:#2b2830;--text-muted:#6b6375;--bg:#fdfcfb;--surface:#fff;--border:#e5e4e7;--accent:#aa3bff}*{box-sizing:border-box}body{color:var(--text);background:var(--bg);margin:0}h1{margin:0 0 20px;font-size:22px}h2{margin:0 0 12px;font-size:17px}button{font:inherit;cursor:pointer;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:6px;padding:6px 12px}button:hover{border-color:var(--accent)}button:disabled{opacity:.5;cursor:default}button.danger{border-color:var(--danger);color:var(--danger)}input,select,textarea{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:6px;width:100%;padding:6px 10px}label{color:var(--text-muted);flex-direction:column;gap:4px;margin-bottom:12px;font-size:13px;display:flex}.error{color:var(--danger)}.muted{color:var(--text-muted);font-size:13px}.centered-page{justify-content:center;align-items:center;min-height:100vh;display:flex}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;min-width:320px;max-width:90vw;padding:24px}.app-shell{min-height:100vh;display:flex}.sidebar{border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;gap:8px;width:200px;padding:20px;display:flex}.sidebar a{color:var(--text-muted);border-radius:6px;align-items:center;min-height:44px;padding:8px 10px;text-decoration:none;display:flex}.sidebar a.active{background:var(--accent);color:#fff}.sidebar .signout{margin-top:auto}.content{flex:1;padding:32px;overflow-x:auto}.data-table{border-collapse:collapse;width:100%}.data-table th,.data-table td{text-align:left;border-bottom:1px solid var(--border);vertical-align:middle;padding:8px}.stamp-thumb{object-fit:cover;border-radius:6px;width:40px;height:40px}.stamp-thumb-preview{object-fit:cover;border-radius:8px;width:96px;height:96px;margin-bottom:12px}.add-new{margin-top:16px}.report-list{flex-direction:column;gap:8px;padding:0;list-style:none;display:flex}.report-item{border:1px solid var(--border);border-radius:8px;overflow:hidden}.report-summary{text-align:left;border:none;border-radius:0;align-items:center;gap:16px;width:100%;min-height:44px;display:flex}.badge{background:var(--accent);color:#fff;border-radius:999px;padding:2px 8px;font-size:12px}.report-detail{border-top:1px solid var(--border);padding:16px}.letter-preview{background:var(--bg);border:1px solid var(--border);border-radius:8px;margin-bottom:12px;padding:12px}.action-row{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.modal-backdrop{background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.locale-tabs{gap:8px;margin-bottom:16px;display:flex}.locale-tabs button.active{background:var(--accent);color:#fff;border-color:var(--accent)}.content-editor{width:100%;margin-bottom:12px;font-family:ui-monospace,Consolas,monospace}