:root {
  --bg: #f6f4ef; --panel: #fff; --ink: #1f2430; --muted: #6b7280; --line: #e2ddd2;
  --accent: #7a3b2e; --accent-ink: #fff; --ok: #1f7a4d; --out: #b4472f;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); }
.top { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem; padding: .75rem 1.5rem; background: #2b1d19; }
.brand { color: #f3e4cf; font: 700 1.3rem Georgia, serif; text-decoration: none; letter-spacing: .02em; }
.top nav { display: flex; flex-wrap: wrap; gap: 1rem; }
.top nav a { color: #d9c9b3; text-decoration: none; }
.top nav a:hover { color: #fff; }
main { max-width: 1100px; margin: 0 auto; padding: 1.5rem; }
h1 { font: 600 1.7rem Georgia, serif; margin: 0 0 1rem; }
h1 small, h2 small { font: 400 .85rem system-ui; color: var(--muted); margin-left: .5rem; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 .6rem; }
.muted { color: var(--muted); }
.lead { font-size: 1.1rem; margin-top: -.5rem; }
.msg { padding: .6rem .9rem; border-radius: 6px; margin-bottom: .8rem; border: 1px solid var(--line); background: var(--panel); }
.msg.success { border-color: var(--ok); } .msg.error { border-color: var(--out); background: #fbefeb; }
.msg.warning { border-color: #c9a227; background: #fbf5dc; } .msg.info { border-color: #3b6ea5; }
.filters { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-bottom: 1.2rem; }
input, select, textarea { font: inherit; padding: .45rem .6rem; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.filters input[type=search], .filters input[name=isbn] { min-width: 280px; flex: 1; }
button, .btn { font: inherit; padding: .45rem .9rem; border: 0; border-radius: 6px; background: var(--accent); color: var(--accent-ink); cursor: pointer; text-decoration: none; display: inline-block; }
button.link { background: none; color: var(--accent); padding: 0; text-decoration: underline; }
.check { display: inline-flex; gap: .4rem; align-items: center; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 1rem; }
.card { display: block; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; text-decoration: none; color: inherit; }
.card:hover { box-shadow: 0 3px 12px rgba(0,0,0,.12); }
.cover { display: flex; align-items: flex-end; height: 130px; padding: .7rem; color: #fff; font: 600 .95rem Georgia, serif; }
.cover.big { width: 170px; height: 240px; flex: none; border-radius: 6px; font-size: 1.1rem; }
.meta { padding: .7rem; display: flex; flex-direction: column; gap: .25rem; font-size: .9rem; }
.pill { display: inline-block; padding: .1rem .55rem; border-radius: 99px; font-size: .78rem; background: #ece6d8; width: fit-content; text-decoration: none; }
.pill.ok { background: #dcf0e3; color: var(--ok); } .pill.out { background: #f8e0d9; color: var(--out); }
table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
th, td { text-align: left; padding: .5rem .75rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #efeadd; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
.book-head { display: flex; flex-wrap: wrap; gap: 1.5rem; margin-bottom: 1rem; }
.facts { display: grid; grid-template-columns: 110px 1fr; gap: .25rem .8rem; margin: 0; }
.facts dt { color: var(--muted); } .facts dd { margin: 0; }
.two { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.2rem; align-items: start; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 1rem 1.2rem; }
.stack { display: flex; flex-direction: column; gap: .7rem; max-width: 640px; }
.stack p { margin: 0 0 .5rem; display: flex; flex-direction: column; gap: .2rem; }
.stack label { display: flex; flex-direction: column; gap: .2rem; }
.stack .check { flex-direction: row; }
.inline { margin-top: .8rem; display: flex; gap: .5rem; }
.plain { list-style: none; padding: 0; margin: 0; } .plain li { padding: .25rem 0; }
.pager { display: flex; justify-content: center; gap: 1.5rem; margin: 1.5rem 0; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem; margin: 1rem 0; }
.stats div { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: .8rem 1rem; color: var(--muted); }
.stats b { display: block; font: 600 1.8rem Georgia, serif; color: var(--ink); }
.chart { width: 100%; max-width: 760px; height: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; }
.chart .bar { fill: var(--accent); } .chart .bar:hover { fill: #b4472f; }
.chart .grid { stroke: var(--line); } .chart .axis { font: 11px system-ui; fill: var(--muted); }
pre { background: var(--panel); border: 1px solid var(--line); padding: .8rem; border-radius: 6px; overflow-x: auto; }
code { background: #ece6d8; padding: 0 .3rem; border-radius: 3px; }
.errorlist { color: var(--out); margin: 0; padding-left: 1rem; }
@media (max-width: 600px) { main { padding: 1rem; } .top { gap: .6rem; } }