@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root{
  --ink: #1B2A4A;
  --ink-2: #223458;
  --gold: #B8842E;
  --gold-light: #EFE0C4;
  --bg: #F3F5F4;
  --card: #FFFFFF;
  --text: #23262B;
  --text-soft: #626873;
  --line: #E3E6E4;
  --green: #3F7A5C;
  --green-bg: #E7F1EA;
  --red: #B0413E;
  --red-bg: #FBEAE9;
  --amber: #B8842E;
  --amber-bg: #FBF1DD;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(27,42,74,.06), 0 4px 14px rgba(27,42,74,.06);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',system-ui,sans-serif;
  font-size:14.5px;
  line-height:1.5;
}
h1,h2,h3,h4{
  font-family:'Fraunces',serif;
  font-weight:600;
  color:var(--ink);
  margin:0 0 4px;
  letter-spacing:-.01em;
}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--gold)}
.mono{font-family:'IBM Plex Mono',monospace;letter-spacing:.02em}

/* ---------- Layout ---------- */
.app{display:flex;min-height:100vh}
.sidebar{
  width:230px;flex-shrink:0;background:var(--ink);color:#fff;
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
}
.sidebar .brand{
  padding:22px 20px 16px;border-bottom:1px solid rgba(255,255,255,.1);
}
.sidebar .brand .mark{
  font-family:'Fraunces',serif;font-weight:700;font-size:20px;color:#fff;
}
.sidebar .brand .sub{
  font-size:11px;color:var(--gold-light);text-transform:uppercase;letter-spacing:.12em;margin-top:2px;
}
.sidebar nav{flex:1;padding:14px 10px;overflow-y:auto}
.sidebar .navgroup{margin-bottom:16px}
.sidebar .navgroup-label{
  font-size:10.5px;text-transform:uppercase;letter-spacing:.12em;color:rgba(255,255,255,.4);
  padding:6px 10px;
}
.sidebar a.navlink{
  display:flex;align-items:center;gap:9px;color:rgba(255,255,255,.82);
  padding:9px 10px;border-radius:8px;font-size:13.6px;font-weight:500;
}
.sidebar a.navlink:hover{background:rgba(255,255,255,.08);color:#fff}
.sidebar a.navlink.active{background:var(--gold);color:var(--ink);font-weight:600}
.sidebar .foot{padding:14px 20px;border-top:1px solid rgba(255,255,255,.1);font-size:12px;color:rgba(255,255,255,.55)}

.main{flex:1;min-width:0}
.topbar{
  background:var(--card);border-bottom:1px solid var(--line);
  padding:14px 26px;display:flex;align-items:center;justify-content:space-between;
  position:sticky;top:0;z-index:5;
}
.topbar h1{font-size:19px}
.topbar .meta{font-size:12.5px;color:var(--text-soft)}
.content{padding:24px 26px 60px}

/* ---------- Cards ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.card .card-head{
  padding:16px 18px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.card .card-body{padding:18px}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-bottom:22px}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.stat .num{font-family:'Fraunces',serif;font-size:30px;font-weight:700;color:var(--ink)}
.stat .label{font-size:12px;color:var(--text-soft);text-transform:uppercase;letter-spacing:.08em;margin-top:2px}
.stat.accent-gold::before,.stat.accent-red::before,.stat.accent-green::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
}
.stat.accent-gold::before{background:var(--gold)}
.stat.accent-red::before{background:var(--red)}
.stat.accent-green::before{background:var(--green)}

/* ---------- Forms ---------- */
label{display:block;font-size:12.5px;font-weight:600;color:var(--ink-2);margin:0 0 5px}
.field{margin-bottom:15px}
.hint{font-size:11.8px;color:var(--text-soft);margin-top:4px}
input[type=text],input[type=date],input[type=password],input[type=number],input[type=search],
select,textarea{
  width:100%;padding:9px 11px;border:1px solid #D6DAD8;border-radius:8px;
  font-family:'Inter',sans-serif;font-size:14px;background:#fff;color:var(--text);
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--gold-light);border-color:var(--gold)}
.row{display:flex;gap:14px;flex-wrap:wrap}
.row > .field{flex:1;min-width:180px}

.btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 16px;border-radius:8px;border:1px solid transparent;
  font-size:13.6px;font-weight:600;cursor:pointer;font-family:'Inter',sans-serif;
}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--ink-2);color:#fff}
.btn-gold{background:var(--gold);color:#fff}
.btn-gold:hover{background:#a3752a;color:#fff}
.btn-outline{background:#fff;border-color:#D6DAD8;color:var(--text)}
.btn-outline:hover{border-color:var(--ink);color:var(--ink)}
.btn-danger{background:var(--red);color:#fff}
.btn-danger:hover{background:#943330;color:#fff}
.btn-sm{padding:5px 10px;font-size:12px;border-radius:6px}

/* ---------- Table ---------- */
table{width:100%;border-collapse:collapse;font-size:13.6px}
th{
  text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.07em;
  color:var(--text-soft);padding:9px 10px;border-bottom:2px solid var(--line);white-space:nowrap;
}
td{padding:10px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:hover td{background:#FAFAF8}

/* ---------- Ledger stamp badges ---------- */
.stamp{
  display:inline-block;font-family:'IBM Plex Mono',monospace;font-weight:600;
  font-size:10.8px;text-transform:uppercase;letter-spacing:.08em;
  padding:3px 9px;border-radius:5px;border:1.4px solid currentColor;
  transform:rotate(-1deg);
}
.stamp-borrowed{color:var(--ink-2);background:#EEF1F6}
.stamp-overdue{color:var(--red);background:var(--red-bg)}
.stamp-returned{color:var(--green);background:var(--green-bg)}
.stamp-suspended{color:var(--red);background:var(--red-bg)}
.stamp-active{color:var(--green);background:var(--green-bg)}

.pill{
  display:inline-block;padding:2px 9px;border-radius:20px;font-size:11.5px;font-weight:600;
}
.pill-gold{background:var(--amber-bg);color:var(--amber)}
.pill-gray{background:#EEF0EF;color:var(--text-soft)}

/* ---------- Avatar ---------- */
.avatar{
  width:42px;height:42px;border-radius:50%;object-fit:cover;border:2px solid var(--line);background:#eee;
}
.avatar-lg{width:110px;height:110px;border-radius:12px;object-fit:cover;border:3px solid var(--line);background:#eee}

/* ---------- Alerts ---------- */
.alert{padding:11px 14px;border-radius:8px;font-size:13.5px;margin-bottom:16px;border:1px solid transparent}
.alert-success{background:var(--green-bg);color:#245840;border-color:#c9e3d3}
.alert-error{background:var(--red-bg);color:#7c2c2a;border-color:#f0c9c7}
.alert-warn{background:var(--amber-bg);color:#7a5720;border-color:#edd9ab}

/* ---------- Login ---------- */
.login-wrap{
  min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--ink);
  background-image:radial-gradient(circle at 20% 20%, rgba(184,132,46,.18), transparent 45%),
                    radial-gradient(circle at 85% 80%, rgba(184,132,46,.12), transparent 40%);
}
.login-card{width:360px;background:var(--card);border-radius:14px;padding:32px 30px;box-shadow:0 20px 60px rgba(0,0,0,.35)}
.login-card .mark{font-family:'Fraunces',serif;font-size:24px;font-weight:700;color:var(--ink)}
.login-card .sub{font-size:12.5px;color:var(--text-soft);margin-bottom:20px;text-transform:uppercase;letter-spacing:.1em}

/* ---------- Misc ---------- */
.muted{color:var(--text-soft)}
.section-title{
  font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--text-soft);
  margin:22px 0 10px;font-weight:700;
}
.card-strip{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:9px;background:#fff}
.divider{height:1px;background:var(--line);margin:18px 0}
.search-bar{display:flex;gap:10px;margin-bottom:18px}
.search-bar input{flex:1}
.empty{padding:36px 20px;text-align:center;color:var(--text-soft)}
.empty .icon{font-size:30px;margin-bottom:6px}

@media print{
  .sidebar,.topbar,.no-print{display:none !important}
  .content{padding:0}
  body{background:#fff}
  .card{box-shadow:none;border:1px solid #ccc}
}

@media (max-width:880px){
  .sidebar{position:fixed;left:-230px;transition:left .2s;z-index:20}
  .sidebar.open{left:0}
  .content{padding:16px}
}