/* 도서관리 서비스 self-hosted */
:root {
  --bg: #fafaf8;
  --card: #ffffff;
  --ink: #1f2937;
  --muted: #6b7280;
  --line: #e5e2da;
  --accent: #0f766e;      /* 에메랄드 */
  --accent-soft: #ccfbf1;
  --warn: #b45309;
  --warn-soft: #fef3c7;
  --bad: #b91c1c;
  --bad-soft: #fee2e2;
  --radius: 14px;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: -apple-system, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  line-height: 1.55;
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 18px 60px; }
header.top {
  position: sticky; top: 0; z-index: 20;
  background: rgba(250,250,248,.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
header.top .inner {
  max-width: 1080px; margin: 0 auto; padding: 14px 18px;
  display: flex; align-items: center; gap: 12px;
}
.brand { font-size: 20px; font-weight: 800; text-decoration: none; color: var(--ink); }
.brand small { font-weight: 500; color: var(--muted); font-size: 13px; margin-left: 8px; }
.spacer { flex: 1; }
.btn {
  display: inline-block; border: 1px solid var(--line); background: var(--card);
  color: var(--ink); border-radius: 10px; padding: 9px 16px; font-size: 14px;
  cursor: pointer; text-decoration: none;
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 700; }
.btn.danger { color: var(--bad); border-color: #fecaca; }
.btn:disabled { opacity: .45; cursor: default; }
h1 { font-size: 24px; margin: 26px 0 6px; }
.sub { color: var(--muted); font-size: 14px; margin: 0 0 18px; }

.toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin: 18px 0; }
.toolbar input[type="search"], .toolbar select {
  border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px;
  font-size: 15px; background: #fff;
}
.toolbar input[type="search"] { flex: 1; min-width: 200px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
.chip {
  border: 1px solid var(--line); background: #fff; border-radius: 999px;
  padding: 7px 14px; font-size: 13.5px; cursor: pointer;
}
.chip.on { background: var(--ink); color: #fff; border-color: var(--ink); }

.grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px; margin-top: 14px;
}
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; text-decoration: none; color: inherit; display: flex; flex-direction: column;
}
.card img.cover { width: 100%; aspect-ratio: 5/7; object-fit: cover; background: #eee; display: block; }
.card .no-cover {
  width: 100%; aspect-ratio: 5/7; background: #e7e5df; display: flex;
  align-items: center; justify-content: center; color: var(--muted); font-size: 13px;
}
.card .body { padding: 12px 13px 14px; }
.card .title { font-weight: 700; font-size: 14.5px; margin: 0 0 4px; }
.card .author { color: var(--muted); font-size: 12.5px; margin: 0 0 8px; }
.badge {
  display: inline-block; font-size: 12px; font-weight: 700; border-radius: 999px;
  padding: 3px 10px;
}
.badge.ok { background: var(--accent-soft); color: var(--accent); }
.badge.out { background: #e8e6df; color: var(--muted); }
.badge.overdue { background: var(--bad-soft); color: var(--bad); }
.due { font-size: 12px; color: var(--muted); margin-top: 6px; }
.due.over { color: var(--bad); font-weight: 700; }

.detail { display: grid; grid-template-columns: 220px 1fr; gap: 28px; margin-top: 24px; }
@media (max-width: 640px) { .detail { grid-template-columns: 1fr; } }
.detail img.cover { width: 100%; border-radius: var(--radius); border: 1px solid var(--line); }
.kv { display: grid; grid-template-columns: 92px 1fr; row-gap: 8px; font-size: 14.5px; margin: 14px 0; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; }

.form-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; margin-top: 22px;
}
.form-card h2 { font-size: 17px; margin: 0 0 12px; }
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 5px; }
.field label b { color: var(--bad); font-weight: 700; }
.field input, .field textarea, .field select {
  width: 100%; border: 1px solid var(--line); border-radius: 10px;
  padding: 11px 13px; font-size: 15px; background: #fff; height: 48px;
}
.field textarea { height: auto; min-height: 90px; resize: vertical; }
.field input.req { border-width: 2px; }
.field input.req.empty { border-color: var(--bad); }
.hint { font-size: 12.5px; color: var(--muted); margin-top: 14px; }

.tabs { display: flex; gap: 8px; border-bottom: 2px solid var(--line); margin: 20px 0 18px; }
.tab {
  border: none; background: none; font-size: 15px; padding: 10px 14px; cursor: pointer;
  color: var(--muted); border-bottom: 4px solid transparent; margin-bottom: -2px;
}
.tab.on { color: var(--accent); font-weight: 800; border-bottom-color: var(--accent); }
table.list { width: 100%; border-collapse: collapse; font-size: 14px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
table.list th, table.list td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; }
table.list th { background: #f4f3ef; font-size: 12.5px; color: var(--muted); }
.pill { font-size: 12px; border-radius: 999px; padding: 2px 9px; font-weight: 700; }
.pill.pending { background: var(--warn-soft); color: var(--warn); }
.pill.approved { background: var(--accent-soft); color: var(--accent); }
.pill.rejected { background: var(--bad-soft); color: var(--bad); }
.row-actions { display: flex; gap: 6px; }
.row-actions .btn { padding: 5px 12px; font-size: 13px; }

.login-box { max-width: 380px; margin: 80px auto; }
.notice {
  border: 1px solid #fecaca; background: #fef2f2; color: var(--bad);
  border-radius: 10px; padding: 12px 16px; font-size: 14px; margin: 16px 0;
}
.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%);
  background: var(--ink); color: #fff; padding: 12px 20px; border-radius: 12px;
  font-size: 14px; display: none; z-index: 50; max-width: 90vw;
}
.live-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: #22c55e; margin-right: 6px; }
.live-note { font-size: 12.5px; color: var(--muted); }