:root{ --bg:#ffffff; --text:#111; --muted:#5b6570; --line:#e7ebef; --accent:#111; }
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);
     font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial}
.wrap{max-width:760px;margin:60px auto;padding:0 20px}

.btn{display:inline-block;background:var(--accent);color:#fff;border:0;border-radius:10px;padding:10px 16px;font-weight:700;cursor:pointer;text-decoration:none}

.flash{padding:12px 16px;border-radius:10px;margin-bottom:16px;font-weight:600}
.flash.error{background:#f8d7da;color:#721c24}

.muted{color:var(--muted);font-size:14px}

.login-wrap{display:flex;justify-content:center;align-items:center;min-height:100vh}

.page-list{list-style:none;padding:0;margin:20px 0 0}
.page-list li{padding:8px 0;border-bottom:1px solid var(--line)}