@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --green-950: #08251a;
  --green-900: #0f3d27;
  --green-800: #14532d;
  --green-700: #1b6e3c;
  --green-600: #229a56;
  --green-500: #2fb968;
  --green-100: #e3f5e9;
  --green-50: #f2faf5;
  --gold: #d4af5a;
  --gold-dark: #a6822f;
  --cream: #f8f7f1;
  --text: #17241c;
  --muted: #63756a;
  --border: #e3ebe5;
  --red: #c0453b;
  --shadow-sm: 0 2px 10px rgba(15,61,39,.06);
  --shadow-md: 0 10px 28px rgba(15,61,39,.10);
  --shadow-lg: 0 18px 44px rgba(15,61,39,.16);
  --radius: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Arial, sans-serif;
  background: var(--cream);
  color: var(--text);
  line-height: 1.6;
  background-image:
    radial-gradient(circle at 8% 0%, rgba(34,154,86,0.07) 0, transparent 40%),
    radial-gradient(circle at 100% 10%, rgba(212,175,90,0.09) 0, transparent 40%),
    radial-gradient(circle at 50% 100%, rgba(34,154,86,0.05) 0, transparent 50%);
  background-attachment: fixed;
}

h1, h2, h3 { font-family: "Poppins", "Inter", sans-serif; letter-spacing: -.01em; }

.pattern-strip {
  height: 6px;
  background-image: repeating-linear-gradient(135deg, var(--gold) 0 10px, var(--green-700) 10px 20px);
  background-size: 28px 6px;
  border-radius: 999px;
}

.topbar {
  background: linear-gradient(120deg, var(--green-950) 0%, var(--green-800) 55%, var(--green-600) 100%);
  color: #fff;
  box-shadow: 0 6px 20px rgba(8,37,26,.28);
  position: sticky; top: 0; z-index: 40;
}
.topbar::after {
  content: "";
  display: block;
  height: 4px;
  background-image: repeating-linear-gradient(135deg, var(--gold) 0 10px, transparent 10px 20px);
  background-size: 28px 4px;
  opacity: .95;
}
.topbar-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0.65rem 1.3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .6rem;
}
.brand { display: flex; align-items: center; gap: .7rem; color: #fff; text-decoration: none; font-weight: 700; }
.brand-logo { width: 42px; height: 42px; border-radius: 50%; background: #fff; padding: 3px; box-shadow: 0 0 0 2px var(--gold), 0 4px 10px rgba(0,0,0,.25); object-fit: contain; transition: transform .2s; }
.brand:hover .brand-logo { transform: rotate(-8deg) scale(1.05); }
.brand-text { font-size: 1rem; letter-spacing: .01em; font-family: "Poppins", sans-serif; }
.nav { display: flex; align-items: center; gap: .3rem; flex-wrap: wrap; }
.nav a { color: #e7f5ec; text-decoration: none; font-size: .9rem; font-weight: 600; margin-right: .3rem; padding: .45rem .75rem; border-radius: 999px; transition: background .15s, color .15s; }
.nav a:hover { color: #fff; background: rgba(255,255,255,.12); text-decoration: none; }
.nav a:last-of-type { margin-right: 0; }
.btn-logout { background: rgba(255,255,255,.18) !important; }
.btn-logout:hover { background: rgba(255,255,255,.3) !important; }

.container { max-width: 1180px; margin: 0 auto; padding: 1.8rem 1.3rem 3.2rem; }

h1 { font-size: 1.7rem; color: var(--green-900); margin: .2rem 0 1rem; font-weight: 800; }
h2 { font-size: 1.25rem; color: var(--green-800); font-weight: 700; }
h3 { font-size: 1.05rem; color: var(--green-800); margin-top: 0; font-weight: 700; }
.muted { color: var(--muted); }
.eyebrow { color: var(--gold-dark); font-weight: 800; font-size: .8rem; text-transform: uppercase; letter-spacing: .07em; }

.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.2rem; }

label { display: block; font-weight: 600; font-size: .87rem; margin: .7rem 0 .35rem; color: var(--green-900); }
input[type=text], input[type=password], input[type=number], input[type=datetime-local], input[type=file], select, textarea {
  width: 100%;
  padding: .65rem .85rem;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  font-size: .95rem;
  font-family: inherit;
  background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--green-600);
  box-shadow: 0 0 0 4px rgba(34,154,86,.14);
}
textarea { resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .65rem 1.3rem;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  font-size: .92rem;
  font-weight: 700;
  text-decoration: none;
  margin-top: .8rem;
  transition: transform .12s ease, box-shadow .15s, background .15s;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary { background: linear-gradient(135deg, var(--green-700), var(--green-500)); color: #fff; box-shadow: 0 6px 16px rgba(20,83,45,.3); }
.btn-primary:hover { box-shadow: 0 8px 22px rgba(20,83,45,.4); transform: translateY(-1px); }
.btn-secondary { background: #fff; color: var(--green-800); border: 1.5px solid var(--green-100); }
.btn-secondary:hover { background: var(--green-50); border-color: var(--green-500); }
.btn-danger { background: var(--red); color: #fff; }
.btn-block { width: 100%; text-align: center; }
.btn-sm { padding: .35rem .85rem; font-size: .8rem; margin-top: 0; border-radius: 9px; }

.inline-form { display: flex; gap: .5rem; align-items: center; margin-top: .5rem; flex-wrap: wrap; }
.inline-form input { width: auto; flex: 1; min-width: 120px; }

.alert { padding: .85rem 1.15rem; border-radius: 12px; margin-bottom: 1.1rem; font-size: .92rem; border-left: 4px solid; box-shadow: var(--shadow-sm); }
.alert-success { background: var(--green-50); color: var(--green-900); border-color: var(--green-600); }
.alert-error { background: #fdecea; color: #7a2b25; border-color: var(--red); }

.login-wrap { display: flex; justify-content: center; padding-top: 1.5rem; }
.login-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 2.3rem 2.1rem;
  max-width: 410px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.login-card::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 6px;
  background-image: repeating-linear-gradient(135deg, var(--gold) 0 10px, var(--green-700) 10px 20px);
}
.login-logo { display: block; width: 88px; height: 88px; margin: .3rem auto 1rem; object-fit: contain; filter: drop-shadow(0 6px 14px rgba(20,83,45,.3)); }
.login-card h1 { text-align: center; margin-bottom: .1rem; font-size: 1.4rem; }
.login-card .muted { text-align: center; display: block; margin-bottom: 1.2rem; font-size: .87rem; }
.demo-box { margin-top: 1.5rem; background: var(--green-50); border: 1px dashed var(--green-100); border-radius: 12px; padding: .9rem 1.05rem; font-size: .8rem; color: var(--muted); }
.demo-box ul { margin: .4rem 0 0; padding-left: 1.1rem; }
.demo-box code { background: #fff; border: 1px solid var(--green-100); padding: 1px 5px; border-radius: 5px; color: var(--green-800); }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem; margin-bottom: 1.6rem; }
@media (max-width: 720px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; text-align: center; border-top: 4px solid var(--green-600); box-shadow: var(--shadow-sm); transition: transform .15s, box-shadow .15s; }
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.stat-num { font-size: 2rem; font-weight: 800; color: var(--green-800); font-family: "Poppins", sans-serif; }
.stat-label { color: var(--muted); font-size: .85rem; margin-top: .2rem; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 1.1rem; }
.card-item {
  display: block; background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.2rem; text-decoration: none; color: inherit;
  transition: box-shadow .18s, transform .18s, border-color .18s;
  border-top: 4px solid var(--gold);
}
.card-item:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: var(--green-100); }
.card-code { color: var(--gold-dark); font-weight: 800; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }
.card-title { font-weight: 700; color: var(--green-900); margin: .3rem 0; }
.card-sub { color: var(--muted); font-size: .85rem; }

.tabs { display: flex; gap: .3rem; border-bottom: 2px solid var(--border); margin: 1.2rem 0 1.2rem; flex-wrap: wrap; }
.tab-btn { background: none; border: none; padding: .6rem 1.1rem; font-size: .92rem; font-weight: 700; color: var(--muted); cursor: pointer; border-bottom: 3px solid transparent; margin-bottom: -2px; border-radius: 10px 10px 0 0; transition: background .15s, color .15s; }
.tab-btn:hover { background: var(--green-50); }
.tab-btn.active { color: var(--green-800); border-bottom-color: var(--green-600); background: var(--green-50); }
.tab-panel.hidden { display: none; }
.hidden { display: none !important; }

.panel { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 1.1rem 1.3rem; margin-bottom: 1.2rem; box-shadow: var(--shadow-sm); }
.panel > summary { cursor: pointer; font-weight: 700; color: var(--green-800); }
.panel-sm { background: var(--green-50); border: 1px dashed var(--green-100); border-radius: 12px; padding: .65rem .95rem; margin-top: .7rem; }
.panel-sm > summary { cursor: pointer; font-weight: 700; font-size: .87rem; color: var(--green-800); }

.list-item { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 1.1rem 1.3rem; margin-bottom: 1rem; border-left: 4px solid var(--green-600); box-shadow: var(--shadow-sm); }
.list-item-title { font-weight: 700; color: var(--green-900); font-size: 1.02rem; }
.list-item-meta { color: var(--muted); font-size: .8rem; margin: .15rem 0 .5rem; }
.file-link { display: inline-block; margin-top: .3rem; color: var(--green-800); font-size: .88rem; text-decoration: none; background: var(--green-50); padding: .3rem .75rem; border-radius: 9px; border: 1px solid var(--green-100); }
.file-link:hover { text-decoration: underline; }

.submission-box { background: var(--green-50); border-radius: 12px; padding: .7rem .9rem; margin-top: .6rem; font-size: .9rem; }
.grade-box { margin-top: .4rem; color: var(--green-700); font-weight: 800; }

.table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 14px; overflow: hidden; box-shadow: var(--shadow-sm); }
.table th, .table td { padding: .7rem .9rem; border-bottom: 1px solid var(--border); text-align: left; font-size: .9rem; }
.table th { background: linear-gradient(135deg, var(--green-800), var(--green-600)); color: #fff; font-weight: 700; }
.table tbody tr:hover { background: var(--green-50); }

.badge { padding: .18rem .6rem; border-radius: 999px; font-size: .74rem; font-weight: 800; color: #fff; letter-spacing: .02em; }
.badge-admin { background: var(--red); }
.badge-dosen { background: var(--gold-dark); }
.badge-mahasiswa { background: var(--green-600); }

.footer { text-align: center; color: var(--muted); font-size: .82rem; padding: 1.8rem 1rem .5rem; }
.footer .pattern-strip { max-width: 220px; margin: 0 auto .9rem; }

.book-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.1rem; }
.book-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 1.2rem;
  border-top: 5px solid var(--green-600); position: relative; box-shadow: var(--shadow-sm);
  transition: transform .18s, box-shadow .18s;
}
.book-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.book-kode { color: var(--gold-dark); font-weight: 800; font-size: .74rem; letter-spacing: .03em; }
.book-title { font-weight: 700; color: var(--green-900); margin: .35rem 0 .15rem; font-size: 1.02rem; line-height: 1.35; }
.book-author { color: var(--muted); font-size: .85rem; margin-bottom: .5rem; }
.book-meta { font-size: .78rem; color: var(--muted); margin-bottom: .55rem; }
.book-avail { display: inline-block; font-size: .78rem; font-weight: 700; padding: .2rem .65rem; border-radius: 999px; }
.book-avail.tersedia { background: var(--green-100); color: var(--green-800); }
.book-avail.habis { background: #fdecea; color: #7a2b25; }

.status-pill { display: inline-block; font-size: .76rem; font-weight: 800; padding: .2rem .7rem; border-radius: 999px; }
.status-pill.dipinjam { background: #fff4d6; color: #8a6417; }
.status-pill.terlambat { background: #fdecea; color: #7a2b25; }
.status-pill.dikembalikan { background: var(--green-100); color: var(--green-800); }

.filter-bar { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; margin-bottom: 1.2rem; }
.filter-bar select, .filter-bar input[type=text] { width: auto; min-width: 180px; }
.filter-bar .btn { margin-top: 0; }

.hero-search {
  background: linear-gradient(135deg, var(--green-900), var(--green-600) 70%, var(--green-500));
  border-radius: 22px; padding: 2.2rem 2rem; color: #fff; margin-bottom: 1.8rem;
  position: relative; overflow: hidden; box-shadow: var(--shadow-lg);
}
.hero-search::before {
  content: ""; position: absolute; top: -60px; right: -60px; width: 220px; height: 220px; border-radius: 50%;
  background: radial-gradient(circle, rgba(212,175,90,.35), transparent 70%);
}
.hero-search::after {
  content: ""; position: absolute; bottom: 0; left: 0; right: 0; height: 5px;
  background-image: repeating-linear-gradient(135deg, var(--gold) 0 10px, transparent 10px 20px);
}
.hero-search h1 { color: #fff; margin-bottom: .3rem; position: relative; }
.hero-search p { color: #dff2e6; margin: 0 0 1.2rem; font-size: .93rem; position: relative; }
.hero-search form { display: flex; gap: .6rem; flex-wrap: wrap; position: relative; }
.hero-search input[type=text] { flex: 1; min-width: 200px; }
.hero-search select { min-width: 170px; }

.book-lookup-card {
  background: #fff; border: 1px solid var(--border); border-radius: 20px; padding: 1.8rem;
  max-width: 480px; margin: 0 auto 1.8rem; box-shadow: var(--shadow-md); position: relative;
}
.book-lookup-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 5px; border-radius: 20px 20px 0 0;
  background-image: repeating-linear-gradient(135deg, var(--gold) 0 10px, var(--green-700) 10px 20px);
}
.book-lookup-card h2 { text-align: center; }

.mhs-info-box { background: var(--green-50); border: 1px solid var(--green-100); border-radius: 12px; padding: .85rem 1.05rem; margin-bottom: 1.1rem; font-size: .9rem; display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.mhs-info-box strong { color: var(--green-900); }

.resource-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 1.2rem; }
.resource-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 1.3rem;
  box-shadow: var(--shadow-sm); transition: transform .18s, box-shadow .18s; display: flex; flex-direction: column;
}
.resource-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.resource-icon {
  width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-family: "Poppins", sans-serif; font-weight: 800; font-size: 1.2rem; color: #fff; margin-bottom: .8rem;
}
.resource-title { font-weight: 700; color: var(--green-900); font-size: 1.05rem; margin-bottom: .3rem; }
.resource-org { font-size: .76rem; color: var(--gold-dark); font-weight: 700; text-transform: uppercase; letter-spacing: .03em; margin-bottom: .5rem; }
.resource-desc { font-size: .87rem; color: var(--muted); flex: 1; margin-bottom: 1rem; }
.resource-actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.resource-actions .btn { margin-top: 0; flex: 1; }

.search-launcher {
  background: linear-gradient(135deg, var(--green-900), var(--green-700));
  border-radius: 22px; padding: 2rem; color: #fff; margin-bottom: 2rem; box-shadow: var(--shadow-lg);
  position: relative; overflow: hidden;
}
.search-launcher::after {
  content: ""; position: absolute; bottom: 0; left: 0; right: 0; height: 5px;
  background-image: repeating-linear-gradient(135deg, var(--gold) 0 10px, transparent 10px 20px);
}
.search-launcher h1 { color: #fff; }
.search-launcher p { color: #dff2e6; font-size: .92rem; }
.search-launcher form { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: .8rem; }
.search-launcher input[type=text] { flex: 1; min-width: 220px; font-size: 1rem; padding: .8rem 1rem; }

.legal-note {
  background: var(--green-50); border: 1px solid var(--green-100); border-radius: 14px;
  padding: 1rem 1.3rem; font-size: .87rem; color: var(--green-900); margin: 1.5rem 0; display: flex; gap: .7rem; align-items: flex-start;
}