/* =========================================================
   Sistem Peminjaman Alat — Departemen PSP, FPIK, IPB University
   Design system: warna, tipografi, komponen, responsive
   ========================================================= */

:root {
  --biru-ipb: #0b5394;
  --biru-tua: #073763;
  --biru-muda: #2e7bc4;
  --biru-pucat: #eaf2fb;
  --emas: #e0a726;
  --emas-tua: #b9820f;
  --abu: #f4f6fa;
  --abu-100: #eef1f6;
  --border: #dfe6ee;
  --teks: #1f2a33;
  --teks-muted: #5b6b78;
  --sukses: #1e8e3e;
  --sukses-bg: #e6f4ea;
  --tolak: #c5221f;
  --tolak-bg: #fce8e6;
  --pending: #b58105;
  --pending-bg: #fdf2d0;
  --selesai: #37474f;
  --selesai-bg: #dbe4ea;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(7,55,99,.06), 0 1px 2px rgba(7,55,99,.04);
  --shadow-md: 0 8px 24px rgba(7,55,99,.09), 0 2px 6px rgba(7,55,99,.06);
  --shadow-lg: 0 20px 50px rgba(7,55,99,.14);
  --font-heading: 'Poppins', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', Roboto, Arial, sans-serif;
}

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

body {
  font-family: var(--font-body);
  background: var(--abu);
  margin: 0;
  color: var(--teks);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-heading); }
a { color: var(--biru-ipb); }
img { max-width: 100%; }
::selection { background: var(--emas); color: #fff; }

/* NAVBAR */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.navbar-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--teks); min-width: 0; }
.brand img, .brand svg { flex-shrink: 0; width: 44px; height: 44px; }
.brand-text { line-height: 1.25; min-width: 0; }
.brand-text .brand-title { font-family: var(--font-heading); font-weight: 700; font-size: 15px; color: var(--biru-tua); white-space: nowrap; }
.brand-text .brand-sub { font-size: 11.5px; color: var(--teks-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; max-width: 320px; }
.navbar-links { display: flex; align-items: center; gap: 8px; }
.navbar-links a.navlink { text-decoration: none; color: var(--teks); font-size: 13.5px; font-weight: 600; padding: 9px 16px; border-radius: 999px; transition: background .15s, color .15s; white-space: nowrap; }
.navbar-links a.navlink:hover { background: var(--biru-pucat); color: var(--biru-tua); }
.navbar-links a.navlink.solid { background: var(--biru-ipb); color: #fff; }
.navbar-links a.navlink.solid:hover { background: var(--biru-tua); }

/* HERO */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1100px 420px at 15% -10%, rgba(224,167,38,.20), transparent 60%),
    linear-gradient(120deg, var(--biru-tua), var(--biru-ipb) 55%, var(--biru-muda));
  color: #fff;
  padding: 56px 20px 76px;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 85% 20%, rgba(255,255,255,.10) 0, transparent 45%),
    radial-gradient(circle at 90% 85%, rgba(255,255,255,.08) 0, transparent 40%);
  pointer-events: none;
}
.hero-inner { max-width: 1140px; margin: 0 auto; position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 36px; align-items: center; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.28); color: #fff; font-size: 12.5px; font-weight: 600; padding: 6px 14px; border-radius: 999px; margin-bottom: 18px; }
.hero-eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--emas); display: inline-block; }
.hero h1 { font-size: clamp(26px, 4vw, 38px); font-weight: 700; margin: 0 0 14px; letter-spacing: -.02em; }
.hero p.lead { font-size: 15.5px; opacity: .92; max-width: 560px; margin: 0 0 26px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 26px; margin-top: 34px; flex-wrap: wrap; }
.hero-stat b { display: block; font-size: 22px; font-family: var(--font-heading); }
.hero-stat span { font-size: 12px; opacity: .85; }
.hero-card { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.25); border-radius: var(--radius); padding: 22px; backdrop-filter: blur(6px); }
.hero-card ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.hero-card li { display: flex; gap: 12px; align-items: flex-start; font-size: 13.5px; }
.hero-card li .ic { flex-shrink: 0; width: 32px; height: 32px; border-radius: 9px; background: rgba(255,255,255,.16); display: flex; align-items: center; justify-content: center; }

/* simple page header (non-landing pages, admin) */
.header-app { background: linear-gradient(120deg, var(--biru-tua), var(--biru-ipb)); color: #fff; padding: 26px 24px; position: relative; overflow: hidden; }
.header-app::after { content: ""; position: absolute; inset: 0; background: radial-gradient(500px 200px at 90% 0%, rgba(224,167,38,.22), transparent 60%); }
.header-app-inner { max-width: 1140px; margin: 0 auto; position: relative; display: flex; align-items: center; gap: 16px; justify-content: space-between; flex-wrap: wrap; }
.header-app-brand { display: flex; align-items: center; gap: 14px; }
.header-app h1 { margin: 0 0 4px; font-size: 21px; font-weight: 700; }
.header-app p { margin: 0; font-size: 13px; opacity: .88; }

/* FEATURES (landing) */
.features-section { max-width: 1140px; margin: -40px auto 0; padding: 0 20px 10px; position: relative; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-md); transition: transform .18s ease, box-shadow .18s ease; }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-icon { width: 44px; height: 44px; border-radius: 12px; background: var(--biru-pucat); color: var(--biru-ipb); display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.feature-card h3 { margin: 0 0 6px; font-size: 15.5px; color: var(--biru-tua); }
.feature-card p { margin: 0; font-size: 13px; color: var(--teks-muted); }

/* LAYOUT / CONTAINER */
.container { max-width: 820px; margin: 36px auto; padding: 0 20px 70px; }
.container-wide { max-width: 1140px; }
.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; margin-bottom: 22px; box-shadow: var(--shadow-sm); }
.card-flat { box-shadow: none; }
.intro-card { display: flex; gap: 16px; align-items: flex-start; }
.intro-card .ic { flex-shrink: 0; width: 42px; height: 42px; border-radius: 11px; background: var(--biru-pucat); color: var(--biru-ipb); display: flex; align-items: center; justify-content: center; }

h2.section-title { font-size: 16.5px; color: var(--biru-tua); font-weight: 700; border-bottom: 2px solid var(--biru-pucat); padding-bottom: 10px; margin: 0 0 18px; display: flex; align-items: center; gap: 10px; }
h2.section-title .step-num { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 50%; background: var(--biru-ipb); color: #fff; font-size: 12.5px; font-weight: 700; flex-shrink: 0; }

/* FORMS */
label { display: block; font-weight: 600; font-size: 13.5px; margin: 16px 0 6px; color: #2b3844; }
label .req { color: var(--tolak); }
input[type=text], input[type=tel], input[type=email], input[type=date],
input[type=number], input[type=password], select, textarea, input[type=file] {
  width: 100%; padding: 11px 13px; border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  font-size: 14px; font-family: inherit; background: #fff; color: var(--teks);
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--biru-ipb); box-shadow: 0 0 0 3px rgba(11,83,148,.13); }
textarea { resize: vertical; min-height: 78px; }
input[type=file] { padding: 9px 13px; cursor: pointer; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
@media (max-width: 640px) { .grid-2 { grid-template-columns: 1fr; } }
.hint { font-size: 12px; color: var(--teks-muted); margin-top: 5px; }

/* BUTTONS */
.btn { display: inline-flex; align-items: center; gap: 8px; background: var(--biru-ipb); color: #fff; border: none; padding: 12px 24px; border-radius: 999px; font-size: 14.5px; font-weight: 600; cursor: pointer; text-decoration: none; transition: background .15s, transform .15s, box-shadow .15s; box-shadow: 0 2px 8px rgba(11,83,148,.25); }
.btn:hover { background: var(--biru-tua); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(11,83,148,.32); }
.btn:active { transform: translateY(0); }
.btn-lg { padding: 14px 30px; font-size: 15.5px; }
.btn-secondary { background: #64748b; box-shadow: 0 2px 8px rgba(100,116,139,.25); }
.btn-secondary:hover { background: #475569; }
.btn-danger { background: var(--tolak); box-shadow: 0 2px 8px rgba(197,34,31,.25); }
.btn-danger:hover { background: #a3170f; }
.btn-success { background: var(--sukses); box-shadow: 0 2px 8px rgba(30,142,62,.25); }
.btn-success:hover { background: #166f30; }
.btn-gold { background: var(--emas); color: #4a3300; box-shadow: 0 2px 8px rgba(224,167,38,.3); }
.btn-gold:hover { background: var(--emas-tua); }
.btn-outline { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.6); box-shadow: none; }
.btn-outline:hover { background: rgba(255,255,255,.14); }
.btn-block { width: 100%; justify-content: center; }
.btn-sm { padding: 7px 14px; font-size: 12.5px; }

/* ALERTS */
.alert { padding: 13px 16px; border-radius: var(--radius-sm); font-size: 13.5px; margin-bottom: 18px; display: flex; align-items: flex-start; gap: 10px; }
.alert-error { background: var(--tolak-bg); color: var(--tolak); border: 1px solid #f6c1bd; }
.alert-success { background: var(--sukses-bg); color: var(--sukses); border: 1px solid #b7dfc2; }
.alert-info { background: var(--biru-pucat); color: var(--biru-tua); border: 1px solid #c9dcf0; }

/* BADGES */
.badge { padding: 4px 12px; border-radius: 999px; font-size: 11.5px; font-weight: 700; letter-spacing: .02em; display: inline-block; }
.badge-pending { background: var(--pending-bg); color: var(--pending); }
.badge-disetujui { background: var(--sukses-bg); color: var(--sukses); }
.badge-ditolak { background: var(--tolak-bg); color: var(--tolak); }
.badge-selesai { background: var(--selesai-bg); color: var(--selesai); }

/* TABLES */
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { padding: 12px 10px; border-bottom: 1px solid var(--border); text-align: left; }
th { background: var(--abu-100); font-weight: 700; color: var(--biru-tua); font-size: 12.5px; text-transform: uppercase; letter-spacing: .03em; }
tbody tr { transition: background .12s; }
tbody tr:hover { background: var(--biru-pucat); }

/* ESTIMASI BOX */
.estimasi-box { background: linear-gradient(120deg, var(--biru-pucat), #f6faff); border: 1.5px dashed var(--biru-ipb); border-radius: var(--radius-sm); padding: 16px 18px; margin-top: 18px; font-size: 14px; }
.estimasi-box b { color: var(--biru-tua); font-size: 19px; }

/* HALAMAN TEMPLATE (unduh template surat permohonan per kategori) */
.category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 760px) { .category-grid { grid-template-columns: 1fr; } }
.category-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); scroll-margin-top: 90px; }
.category-card .cat-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--biru-pucat); color: var(--biru-ipb); font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 999px; margin-bottom: 12px; }
.category-card h3 { margin: 0 0 8px; color: var(--biru-tua); font-size: 17px; }
.category-card .cat-desc { font-size: 13.5px; color: var(--teks-muted); margin: 0 0 16px; line-height: 1.6; }
.category-card .doc-list { list-style: none; margin: 0 0 18px; padding: 0; display: grid; gap: 10px; }
.category-card .doc-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; }
.category-card .doc-list .doc-ic { flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%; background: var(--biru-pucat); color: var(--biru-ipb); display: flex; align-items: center; justify-content: center; margin-top: 1px; }
.category-card .doc-list .doc-hint { display: block; color: var(--teks-muted); font-size: 12px; margin-top: 2px; }
.doc-req { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px 16px; margin-bottom: 12px; background: #fbfcfe; }
.doc-req label { margin-top: 0; }
.dokumen-kategori { animation: fadeIn .3s ease; }

/* STAT CARDS (admin dashboard) */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 22px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow-sm); display: flex; align-items: center; gap: 14px; }
.stat-card .ic { width: 42px; height: 42px; border-radius: 11px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.stat-card .num { font-size: 22px; font-weight: 700; font-family: var(--font-heading); color: var(--teks); line-height: 1.1; }
.stat-card .lbl { font-size: 12px; color: var(--teks-muted); }
.stat-pending .ic { background: var(--pending-bg); color: var(--pending); }
.stat-disetujui .ic { background: var(--sukses-bg); color: var(--sukses); }
.stat-ditolak .ic { background: var(--tolak-bg); color: var(--tolak); }
.stat-selesai .ic { background: var(--selesai-bg); color: var(--selesai); }

/* LOGIN */
.login-wrap { min-height: calc(100vh - 66px); display: flex; align-items: center; justify-content: center; background: radial-gradient(900px 400px at 10% 0%, rgba(224,167,38,.14), transparent 55%), linear-gradient(160deg, var(--biru-tua), var(--biru-ipb) 60%, var(--biru-muda)); padding: 40px 16px; }
.login-card { width: 100%; max-width: 400px; background: #fff; border-radius: var(--radius); padding: 34px 30px; box-shadow: var(--shadow-lg); }
.login-card .login-logo { display: flex; justify-content: center; margin-bottom: 12px; }
.login-card h2.section-title { text-align: center; border-bottom: none; justify-content: center; }

/* FOOTER */
.site-footer { background: var(--biru-tua); color: rgba(255,255,255,.82); padding: 30px 20px; font-size: 12.5px; text-align: center; }
.site-footer a { color: #fff; }
.site-footer .foot-brand { font-weight: 700; color: #fff; margin-bottom: 4px; font-family: var(--font-heading); }

/* MOBILE NAV TOGGLE */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; color: var(--biru-tua); }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .navbar-links.desktop-only { display: none; }
  .nav-toggle { display: inline-flex; }
  .brand-text .brand-sub { max-width: 180px; }
  .hero { padding: 40px 16px 64px; }
  .features-section { margin-top: -34px; }
  .features-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .header-app-inner { flex-direction: column; align-items: flex-start; }
  table thead { display: none; }
  table.responsive-table, table.responsive-table tbody, table.responsive-table tr, table.responsive-table td { display: block; width: 100%; }
  table.responsive-table tr { border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 12px; padding: 8px 4px; background: #fff; }
  table.responsive-table td { border: none; padding: 6px 12px; display: flex; justify-content: space-between; gap: 10px; text-align: right; }
  table.responsive-table td::before { content: attr(data-label); font-weight: 700; color: var(--biru-tua); text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: .02em; }
}
@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
}

/* mobile menu panel */
.mobile-menu { display: none; position: fixed; inset: 0; background: rgba(7,55,99,.55); z-index: 200; }
.mobile-menu.open { display: block; }
.mobile-menu-panel { background: #fff; width: 78%; max-width: 300px; height: 100%; margin-left: auto; padding: 22px; box-shadow: -8px 0 24px rgba(0,0,0,.15); display: flex; flex-direction: column; gap: 6px; }
.mobile-menu-panel a { text-decoration: none; color: var(--teks); font-weight: 600; font-size: 14.5px; padding: 12px 10px; border-radius: var(--radius-sm); }
.mobile-menu-panel a:hover { background: var(--abu-100); }
.mobile-menu-close { align-self: flex-end; background: none; border: none; cursor: pointer; padding: 6px; }

/* utility */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.flex-wrap { display: flex; gap: 10px; flex-wrap: wrap; }
.fade-in { animation: fadeIn .5s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px);} to { opacity: 1; transform: translateY(0);} }