* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI",
               "Meiryo", "Segoe UI", sans-serif;
  margin: 0; padding: 0;
  background: #f7f5ef;
  color: #222;
}
a { color: inherit; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  background: #2c3a4a; color: #fff;
  padding: 0.6rem 1rem;
}
.topbar h1 { font-size: 1.1rem; margin: 0; }
.topbar h1 a { text-decoration: none; }
.topbar-right { display: flex; align-items: center; gap: 0.8rem; }
.batch-name { font-size: 0.9rem; opacity: 0.9; }

.container { padding: 1rem; max-width: 1200px; margin: 0 auto; }

.scan-box {
  background: #fff; padding: 1rem; border-radius: 8px;
  margin-bottom: 1rem; box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.scan-box label { display: block; font-weight: 600; margin-bottom: 0.4rem; }
.scan-box input {
  width: 100%; font-size: 1.2rem; padding: 0.6rem 0.8rem;
  border: 2px solid #c8c0a8; border-radius: 6px;
}
.scan-box input:focus { outline: none; border-color: #5b8aa6; }
.status { min-height: 1.4em; margin: 0.4rem 0 0; font-size: 0.9rem; color: #555; }
.status.success { color: #2a7f3f; }
.status.error { color: #b3261e; }

table.books {
  width: 100%; border-collapse: collapse; background: #fff;
  border-radius: 8px; overflow: hidden;
}
table.books th, table.books td {
  border-bottom: 1px solid #eee; padding: 0.5rem; text-align: left;
  font-size: 0.88rem;
}
table.books th { background: #efeae0; }
table.books tr.pending { background: #fff8e1; }
table.books .isbn { font-family: ui-monospace, "SF Mono", "Menlo", monospace; }
table.books input {
  width: 100%; padding: 0.3rem; border: 1px solid #ddd; border-radius: 4px;
}
table.books input:focus { outline: none; border-color: #5b8aa6; }
.status-dot { width: 1.4em; text-align: center; font-weight: bold; }
.source { font-size: 0.75rem; color: #888; }

.btn, button {
  font-family: inherit; font-size: 0.9rem;
  padding: 0.4rem 0.8rem; border-radius: 4px;
  border: 1px solid #aaa; background: #fafafa; color: #222;
  cursor: pointer;
}
.btn:hover, button:hover { background: #f0f0f0; }
.btn-primary { background: #2c3a4a; color: #fff; border-color: #2c3a4a; }
.btn-primary:hover { background: #3a4a5e; }
.btn-link { background: transparent; border: none; color: #fff; padding: 0.2rem 0.4rem; }
.btn-link:hover { background: rgba(255,255,255,0.1); }
.inline { display: inline; }

.count { background: #5b8aa6; color: #fff; padding: 0.1rem 0.5rem; border-radius: 10px;
         font-size: 0.8rem; margin-left: 0.4rem; }

.login-box {
  max-width: 320px; margin: 4rem auto;
  background: #fff; padding: 1.5rem; border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}
.login-box h2 { margin-top: 0; }
.login-box label { display: block; margin-bottom: 0.3rem; }
.login-box input {
  width: 100%; padding: 0.5rem; border: 1px solid #ccc; border-radius: 4px;
  margin-bottom: 0.8rem;
}
.login-box button { width: 100%; padding: 0.6rem; }
.error { color: #b3261e; }