/* Riverline Books — sample site stylesheet.
   WARNING: this stylesheet contains deliberate accessibility defects.
   It is audit material for the WCAG-EM walkthrough. Do not copy from it. */
:root{
  --ink:#22262b; --paper:#ffffff; --band:#f4f1ea; --rule:#e0dbd0;
  --brand:#2f5d50; --brand-dark:#24483f; --accent:#a8582f;
}
*{box-sizing:border-box}
body{margin:0;font-family:Georgia,'Times New Roman',serif;color:var(--ink);
     background:var(--paper);line-height:1.55;font-size:17px}

/* DEFECT (2.4.7 Focus Visible): focus indicators removed site-wide. */
*:focus{outline:none}

.wrap{width:min(64rem,100% - 2rem);margin-inline:auto}
.topbar{background:var(--brand);color:#fff;padding:.5rem 0;font-size:.85rem}
.masthead{padding:1rem 0;border-bottom:2px solid var(--rule)}
.masthead .wrap{display:flex;flex-wrap:wrap;gap:1rem;align-items:baseline;justify-content:space-between}
.logo{font-size:1.4rem;font-weight:bold;color:var(--brand);text-decoration:none}
.nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:1.1rem}
.nav a{color:var(--ink);text-decoration:none}
.nav a:hover{text-decoration:underline}
.content{padding:1.5rem 0 3rem}
h1{font-size:1.9rem;margin:0 0 1rem}
h2{font-size:1.35rem;margin:1.8rem 0 .6rem}
h3{font-size:1.1rem;margin:1.2rem 0 .4rem}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:3px;
     padding:.5rem 1rem;font:inherit;text-decoration:none;cursor:pointer}
.btn:hover{background:var(--brand-dark)}
.btn-sm{padding:.2rem .5rem;font-size:.85rem}
.muted{color:#8b9199}                 /* DEFECT (1.4.3): 2.6:1 on white */
.price{color:var(--accent);font-weight:bold}
.grid{display:grid;gap:1.2rem;grid-template-columns:repeat(auto-fill,minmax(13rem,1fr))}
.card{border:1px solid var(--rule);border-radius:4px;padding:.8rem}
.card img{display:block;width:100%;height:auto;background:var(--band)}
.field{margin-bottom:.9rem}
.field label{display:block;margin-bottom:.2rem}
/* DEFECT (1.4.11 Non-text Contrast): input borders at 1.2:1 */
input[type=text],input[type=email],input[type=password],input[type=tel],input[type=search],
textarea,select{font:inherit;padding:.4rem .5rem;border:1px solid #f0eee9;border-radius:3px;
                background:#fff;width:100%;max-width:24rem}
.err-field{border-color:#cc2222 !important;background:#fff8f8}
table{border-collapse:collapse;width:100%}
td,th{padding:.5rem;border-bottom:1px solid var(--rule);text-align:left}
.footer{border-top:2px solid var(--rule);background:var(--band);padding:1.5rem 0;margin-top:2rem;
        font-size:.9rem}
.footer ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:1rem}
.notice{background:var(--band);border-left:4px solid var(--brand);padding:.8rem 1rem;margin:1rem 0}
.audit-banner{background:#94101c;color:#fff;padding:.6rem 1rem;font-family:system-ui,sans-serif;
              font-size:.85rem;text-align:center}
.audit-banner a{color:#fff}