:root {
  --bg: #0f1115; --panel: #171a21; --line: #262b35; --txt: #e7e9ee;
  --muted: #9aa3b2; --accent: #c8a24a; --danger: #d9534f; --ok: #3ba776;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: system-ui, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg); color: var(--txt); line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.small { font-size: .82rem; }
.err { color: var(--danger); }

/* nav */
.topnav {
  display: flex; align-items: center; gap: 1rem; padding: .7rem 1.2rem;
  background: var(--panel); border-bottom: 1px solid var(--line);
}
.topnav .brand { font-weight: 700; }
.topnav .tag { font-size: .7rem; background: var(--accent); color: #000; padding: .1rem .4rem; border-radius: 4px; }
.topnav .links { display: flex; gap: .3rem; margin-left: 1rem; }
.topnav .links a { padding: .35rem .7rem; border-radius: 6px; color: var(--txt); }
.topnav .links a.on, .topnav .links a:hover { background: var(--line); text-decoration: none; }
.topnav .logout { margin-left: auto; }

/* layout */
.container { max-width: 1000px; margin: 1.5rem auto; padding: 0 1rem; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 1.2rem 1.4rem; margin-bottom: 1.2rem;
}
h1, h2 { margin: .2rem 0 .8rem; }
h2 { font-size: 1.15rem; }

/* forms */
input, select, button {
  font: inherit; padding: .55rem .7rem; border-radius: 8px;
  border: 1px solid var(--line); background: #0d0f13; color: var(--txt);
}
label { display: flex; flex-direction: column; gap: .3rem; font-size: .85rem; color: var(--muted); }
button {
  background: var(--accent); color: #15110a; border: none; font-weight: 600; cursor: pointer;
}
button:hover { filter: brightness(1.08); }
button.danger { background: var(--danger); color: #fff; }
.row { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; }
.row input { flex: 1; min-width: 180px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
.grid2 button { grid-column: 1 / -1; }
.btn { display: inline-block; background: var(--accent); color: #15110a; padding: .5rem .9rem; border-radius: 8px; font-weight: 600; }

/* tables */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .55rem .5rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; }
.kv { list-style: none; padding: 0; margin: 0; }
.kv li { display: flex; justify-content: space-between; padding: .4rem 0; border-bottom: 1px solid var(--line); }
.kv li span:first-child { color: var(--muted); }

.badge { font-size: .72rem; padding: .12rem .5rem; border-radius: 20px; background: var(--line); }
.badge.ready, .badge.active, .badge.info { background: rgba(59,167,118,.18); color: var(--ok); }
.badge.processing, .badge.warn { background: rgba(200,162,74,.18); color: var(--accent); }
.badge.error, .badge.revoked, .badge.disabled, .badge.high { background: rgba(217,83,79,.18); color: var(--danger); }
.alert { background: rgba(217,83,79,.15); color: #f1b0ae; padding: .6rem .8rem; border-radius: 8px; margin-bottom: .6rem; }

/* auth */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; }
.auth-card { width: 340px; text-align: center; }
.auth-card label { text-align: left; margin-bottom: .8rem; }
.auth-card input { width: 100%; }
.auth-card button { width: 100%; margin-top: .4rem; }

/* reader list */
.book-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
.book-card { display: flex; gap: .8rem; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: .9rem; align-items: center; }
.book-card:hover { border-color: var(--accent); text-decoration: none; }
.book-cover { width: 48px; height: 64px; background: var(--accent); color: #000; display: grid; place-items: center; font-weight: 700; font-size: 1.4rem; border-radius: 6px; }
.book-meta { display: flex; flex-direction: column; }

/* reader */
.reader-body { background: #0a0c0f; }
.reader-top {
  position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 1rem;
  padding: .5rem 1rem; background: var(--panel); border-bottom: 1px solid var(--line);
}
.reader-title { font-weight: 600; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.reader-nav { display: flex; align-items: center; gap: .4rem; }
.pageind input { width: 64px; text-align: center; padding: .3rem; }
.rbtn { background: var(--line); color: var(--txt); border: none; padding: .4rem .7rem; border-radius: 6px; cursor: pointer; font-weight: 600; }
.rbtn:hover { background: #313846; text-decoration: none; }
.reader-stage { position: relative; display: grid; place-items: center; padding: 1.2rem; min-height: 70vh; }
.reader-stage img {
  max-width: min(900px, 96%); height: auto; border-radius: 4px;
  box-shadow: 0 8px 30px rgba(0,0,0,.5);
  -webkit-user-select: none; user-select: none; -webkit-user-drag: none; pointer-events: none;
}
.loading { position: absolute; color: var(--muted); }
.reader-legal { max-width: 900px; margin: 0 auto 2rem; padding: 0 1.2rem; color: var(--muted); font-size: .78rem; text-align: center; }

/* yazdirma engeli (FR-017) */
@media print {
  html, body { background: #fff !important; }
  body * { visibility: hidden !important; }
  body::after {
    content: "Bu içerik yazdırılamaz. © MARUF Yayınevi — kişisel erişim izniniz kayıt altındadır.";
    visibility: visible; display: block; position: fixed; top: 40%; left: 0; right: 0;
    text-align: center; color: #000; font-size: 18px; padding: 2rem;
  }
}