/* ==========================================================================
   Aplikasi Penerbitan Buku — CV. Aurum System Indonesia
   Tema: gelap + emas (konsisten dengan situs utama aurumsystem.id)
   ========================================================================== */
:root{
  --bg:#05070d; --bg-2:#0a0e18; --surface:rgba(255,255,255,.035);
  --surface-hover:rgba(255,255,255,.06); --border:rgba(255,255,255,.09);
  --border-gold:rgba(212,175,55,.35);
  --gold:#d4af37; --gold-light:#f4d978; --gold-deep:#a87f1e;
  --gold-grad:linear-gradient(120deg,#f4d978 0%,#d4af37 45%,#b8860b 100%);
  --text:#eef2f9; --muted:#96a2b8; --ok:#3ddc97; --warn:#f0b429; --err:#ff6b6b;
  --radius:16px; --shadow:0 20px 60px rgba(0,0,0,.45);
  --font-d:'Sora','Inter',system-ui,sans-serif; --font-b:'Inter',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:
  radial-gradient(1200px 600px at 80% -10%,rgba(212,175,55,.10),transparent 60%),
  radial-gradient(900px 500px at -10% 10%,rgba(212,175,55,.05),transparent 60%),
  var(--bg);
  color:var(--text);font-family:var(--font-b);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--font-d);line-height:1.15;margin:0 0 .5em}
h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800}
h2.pn-h2{font-size:1.6rem;margin-top:1.5em}
h3{font-size:1.15rem}
p{margin:0 0 1em}
img{max-width:100%;display:block}
.pn-container{width:min(1160px,92vw);margin-inline:auto}
.pn-muted{color:var(--muted)}
.pn-main{min-height:60vh}

/* ---------- Nav ---------- */
.pn-nav{position:sticky;top:0;z-index:50;background:rgba(5,7,13,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.pn-nav__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.pn-brand{display:flex;align-items:center;gap:12px}
.pn-brand__mark svg{width:40px;height:40px}
.pn-brand__text{display:flex;flex-direction:column;line-height:1.15}
.pn-brand__text strong{font-family:var(--font-d);font-weight:700;letter-spacing:.02em}
.pn-brand__text em{font-style:normal;font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.14em}
.pn-nav__menu{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.pn-nav__link{padding:.55rem .8rem;border-radius:10px;color:var(--muted);font-weight:500;font-size:.95rem}
.pn-nav__link:hover{color:var(--text);background:var(--surface-hover)}
.pn-nav__link.is-active{color:var(--gold-light)}

/* ---------- Buttons ---------- */
.pn-btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border:none;cursor:pointer;
  font-family:var(--font-d);font-weight:600;font-size:.95rem;padding:.8rem 1.4rem;border-radius:12px;
  background:var(--gold-grad);color:#1a1403;transition:.2s;white-space:nowrap}
.pn-btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(212,175,55,.25)}
.pn-btn--sm{padding:.55rem 1rem;font-size:.85rem}
.pn-btn--ghost{background:transparent;color:var(--text);border:1px solid var(--border)}
.pn-btn--ghost:hover{border-color:var(--border-gold);box-shadow:none}

/* ---------- Hero ---------- */
.pn-hero{padding:72px 0 44px;border-bottom:1px solid var(--border);
  background:radial-gradient(700px 300px at 20% 0,rgba(212,175,55,.10),transparent 60%)}
.pn-hero--sm{padding:52px 0 32px}
.pn-eyebrow{display:inline-block;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);font-weight:600;margin-bottom:12px}
.pn-hero h1{background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:inline-block}
.pn-lead{color:var(--muted);font-size:1.08rem;max-width:70ch}
.pn-hero__cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}

/* ---------- Sections ---------- */
.pn-section{padding:52px 0}
.pn-section--alt{background:linear-gradient(180deg,transparent,rgba(255,255,255,.02),transparent);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.pn-grid-2{display:grid;grid-template-columns:1.6fr 1fr;gap:28px;align-items:start}

/* ---------- Card ---------- */
.pn-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px}
.pn-card h3{color:var(--gold-light)}
.pn-card--legal{border-color:var(--border-gold);background:linear-gradient(180deg,rgba(212,175,55,.06),rgba(212,175,55,.01))}

/* ---------- Table ---------- */
.pn-table{width:100%;border-collapse:collapse;font-size:.94rem}
.pn-table th,.pn-table td{padding:.6rem .7rem;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}
.pn-table thead th{color:var(--gold-light);font-family:var(--font-d);font-size:.82rem;text-transform:uppercase;letter-spacing:.06em}
.pn-table--kv th{width:42%;color:var(--muted);font-weight:500}
.pn-td-right{text-align:right;white-space:nowrap}

/* ---------- Catalog ---------- */
.pn-filter{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.pn-filter input[type=search]{flex:1;min-width:220px}
.pn-filter input,.pn-filter select,.pn-form input,.pn-form select,.pn-form textarea{
  width:100%;padding:.72rem .9rem;border-radius:11px;border:1px solid var(--border);
  background:rgba(255,255,255,.03);color:var(--text);font-family:var(--font-b);font-size:.95rem}
.pn-filter input:focus,.pn-form input:focus,.pn-form select:focus,.pn-form textarea:focus{
  outline:none;border-color:var(--border-gold)}
.pn-filter .pn-btn{width:auto}
.pn-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:22px}
.pn-book{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.22s;display:flex;flex-direction:column}
.pn-book:hover{transform:translateY(-4px);border-color:var(--border-gold);box-shadow:var(--shadow)}
.pn-book__cover{aspect-ratio:3/4;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(160deg,rgba(212,175,55,.14),rgba(212,175,55,.03));overflow:hidden}
.pn-book__cover img{width:100%;height:100%;object-fit:cover}
.pn-book__cover--lg{border-radius:12px}
.pn-book__ph{font-family:var(--font-d);font-size:3.4rem;font-weight:800;color:var(--gold);opacity:.5}
.pn-book__meta{padding:14px 15px 18px}
.pn-book__meta h3{font-size:1.02rem;margin:.35em 0 .25em}
.pn-book__author{margin:0;font-size:.9rem;color:var(--text)}
.pn-book__sub{margin:.35em 0 0;font-size:.82rem;color:var(--muted)}
.pn-tag{display:inline-block;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--gold);
  border:1px solid var(--border-gold);border-radius:999px;padding:.15rem .6rem}
.pn-empty{padding:40px;text-align:center;color:var(--muted);border:1px dashed var(--border);border-radius:var(--radius)}
.pn-pager{display:flex;gap:8px;justify-content:center;margin-top:32px}
.pn-pager a{min-width:38px;text-align:center;padding:.5rem .7rem;border:1px solid var(--border);border-radius:10px;color:var(--muted)}
.pn-pager a.is-active{background:var(--gold-grad);color:#1a1403;border-color:transparent;font-weight:700}

/* ---------- Detail buku ---------- */
.pn-breadcrumb{margin-bottom:20px}
.pn-breadcrumb a{color:var(--muted)}
.pn-breadcrumb a:hover{color:var(--gold)}
.pn-detail{display:grid;grid-template-columns:300px 1fr;gap:36px;align-items:start}
.pn-detail__cover img{border-radius:12px;box-shadow:var(--shadow)}
.pn-detail__body h1{margin-top:.2em}
.pn-detail__author{color:var(--muted)}
.pn-table--detail{margin-top:12px}

/* ---------- Forms ---------- */
.pn-form label{display:flex;flex-direction:column;gap:.35rem;margin-bottom:.9rem;font-size:.9rem;color:var(--muted)}
.pn-form--grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px}
.pn-form--grid .col-2{grid-column:1/-1}
.pn-form button.pn-btn{width:auto}

/* ---------- Alerts / pills ---------- */
.pn-alert{padding:.85rem 1.1rem;border-radius:12px;margin:14px 0;border:1px solid var(--border)}
.pn-alert--ok{border-color:rgba(61,220,151,.4);background:rgba(61,220,151,.08)}
.pn-alert--err{border-color:rgba(255,107,107,.4);background:rgba(255,107,107,.08)}
.pn-pill{font-size:.72rem;padding:.2rem .6rem;border-radius:999px;text-transform:uppercase;letter-spacing:.05em}
.pn-pill--ok{background:rgba(61,220,151,.15);color:var(--ok)}
.pn-pill--warn{background:rgba(240,180,41,.15);color:var(--warn)}

/* ---------- Footer ---------- */
.pn-footer{border-top:1px solid var(--border);margin-top:40px;background:var(--bg-2)}
.pn-footer__grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px;padding:44px 0 24px}
.pn-footer__brand{font-family:var(--font-d);font-weight:700;margin-bottom:8px}
.pn-footer__h{font-family:var(--font-d);color:var(--gold-light);margin-bottom:10px;font-size:.9rem;text-transform:uppercase;letter-spacing:.08em}
.pn-footer a{display:block;color:var(--muted);padding:3px 0;font-size:.92rem}
.pn-footer a:hover{color:var(--gold)}
.pn-footer span{display:block}
.pn-footer__bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:16px 0;
  border-top:1px solid var(--border);color:var(--muted);font-size:.82rem}

/* ---------- Admin ---------- */
.pn-admin{background:var(--bg)}
.pn-adm-nav{background:rgba(5,7,13,.9);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:40}
.pn-adm-nav__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;flex-wrap:wrap}
.pn-adm-brand{font-family:var(--font-d);font-weight:700;color:var(--gold-light)}
.pn-adm-nav nav{display:flex;gap:4px;flex-wrap:wrap;align-items:center}
.pn-adm-nav nav a{padding:.5rem .75rem;border-radius:9px;color:var(--muted);font-size:.9rem}
.pn-adm-nav nav a:hover{background:var(--surface-hover);color:var(--text)}
.pn-adm-out{color:var(--warn)!important}
.pn-adm-main{padding:34px 0 60px;min-height:70vh}
.pn-adm-foot{border-top:1px solid var(--border);padding:20px 0;color:var(--muted);font-size:.82rem}
.pn-adm-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.pn-adm-head h1{margin:0;font-size:1.7rem}
.pn-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px;margin-bottom:30px}
.pn-stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;text-align:center}
.pn-stat span{display:block;font-family:var(--font-d);font-size:2rem;font-weight:800;background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.pn-stat em{font-style:normal;color:var(--muted);font-size:.85rem}
.pn-login{max-width:420px;margin:40px auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px}
.pn-login h1{font-size:1.6rem}
.pn-link{color:var(--gold);background:none;border:none;cursor:pointer;font:inherit;padding:0 6px}
.pn-link--danger{color:var(--err)}

@media(max-width:820px){
  .pn-grid-2,.pn-detail,.pn-footer__grid,.pn-form--grid{grid-template-columns:1fr}
  .pn-detail__cover{max-width:260px}
}