/* Toko Rayi — "Rak Editorial": putih minimalist + sampul eBook warna-warni.
   Latar tenang & terang; warna dibawa oleh sampul buku (satu titik boros). */
:root {
  --paper: #FFFFFF;
  --paper-2: #F7F7F9;      /* panel checkout/detail */
  --ink: #16161A;
  --ink-soft: #6B6B76;
  --ink-faint: #9A9AA4;
  --line: #E8E8EC;
  --line-strong: #D8D8DE;
  --accent: #4F46E5;        /* indigo — hanya untuk link/hint/fokus */
  --accent-ink: #FFFFFF;
  --ok: #157F3B;
  --danger: #C22B2B;
  --pending: #8A6D00;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-1: 0 1px 2px rgba(20,20,45,.05), 0 10px 24px -14px rgba(20,20,45,.22);
  --shadow-2: 0 2px 6px rgba(20,20,45,.06), 0 26px 48px -20px rgba(20,20,45,.30);
  --maxw: 1040px;
  --font-display: "Bricolage Grotesque", "Inter", system-ui, sans-serif;
  --font-editorial: "Newsreader", Georgia, serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.55;
  /* titik-titik samar biar putih gak "kosong" */
  background-image: radial-gradient(rgba(22,22,26,.035) 1px, transparent 1px);
  background-size: 22px 22px;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ---------- topbar ---------- */
nav.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 0 10px;
}
.brand {
  font-family: var(--font-display);
  font-weight: 800; font-size: 17px; letter-spacing: -.01em;
  display: inline-flex; align-items: center; gap: 7px;
}
.brand-dot { width: 9px; height: 9px; border-radius: 3px; background: var(--accent); display: inline-block; box-shadow: 0 0 0 0 rgba(79,70,229,.28); }
.topbar-note { font-size: 12.5px; color: var(--ink-soft); letter-spacing: .01em; }
.cart-button { border: 1px solid var(--line-strong); border-radius: 999px; background: #fff; color: var(--ink); padding: 7px 10px; font: inherit; font-size: 12px; font-weight: 700; cursor: pointer; }
.cart-button:hover { border-color: var(--accent); color: var(--accent); }
.cart-button span { display: inline-grid; place-items: center; min-width: 17px; height: 17px; margin-left: 4px; border-radius: 999px; background: var(--accent); color: #fff; font-size: 10px; }

/* ---------- hero ---------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  display: grid; grid-template-columns: minmax(0, 720px) minmax(180px, 1fr); align-items: center; gap: 30px;
  padding: 46px 24px 34px 0;
}
.hero-copy { max-width: 720px; }
.hero-copy { grid-row: 1 / span 2; }
.hero-copy, .hero-book, .hero-edition { position: relative; z-index: 2; }
.hero::before {
  content: ""; position: absolute; z-index: -1; pointer-events: none;
  width: 390px; height: 260px; left: 240px; top: -56px; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(117,108,255,.15), transparent 68%);
  filter: blur(8px);
}
.hero-kicker {
  font-size: 12.5px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-faint); margin: 0 0 18px;
}
.hero h1 {
  font-family: var(--font-editorial);
  font-weight: 650;
  font-size: clamp(2.6rem, 6.6vw, 4.25rem);
  line-height: .91; letter-spacing: -.045em;
  margin: 0 0 18px;
}
.hero h1 .u {
  background: linear-gradient(transparent 62%, rgba(79,70,229,.20) 62%);
  background-repeat: no-repeat; background-position: left bottom;
  padding: 0 .04em;
}
.hero .subtitle {
  font-size: clamp(1rem, 2.4vw, 1.15rem);
  color: var(--ink-soft); margin: 0 0 26px; max-width: 600px;
}
.hero-cta {
  display: inline-flex; align-items: center; gap: 9px;
}
.hero-book {
  grid-column: 2; position: relative; justify-self: center; width: min(23vw, 244px); aspect-ratio: 3 / 4; perspective: 1100px;
  filter: drop-shadow(18px 26px 20px rgba(29,23,69,.27));
  transition: transform .5s cubic-bezier(.16,.82,.24,1), filter .5s ease;
}
.hero-book-object {
  position: absolute; inset: 0; transform-style: preserve-3d; transform: rotateY(-24deg) rotateZ(4deg);
  transition: transform .55s cubic-bezier(.16,.82,.24,1);
}
.hero-book-face {
  position: absolute; inset: 0; z-index: 2; overflow: hidden; border-radius: 4px 6px 6px 4px; background: #17112d;
}
.hero-book-face::after {
  content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(90deg, rgba(0,0,0,.30), transparent 13%), linear-gradient(110deg, rgba(255,255,255,.20), transparent 35% 72%, rgba(7,4,33,.2));
}
.hero-book-face img { display: block; width: 100%; height: 100%; object-fit: cover; }
.hero-book-spine {
  position: absolute; z-index: 1; inset: 0 auto 0 0; width: 25px; transform-origin: left center; transform: rotateY(90deg);
  border-radius: 4px 0 0 4px; background: linear-gradient(90deg, #100a29, #433780); box-shadow: inset -2px 0 5px rgba(0,0,0,.4);
}
.hero-book-pages {
  position: absolute; z-index: 1; top: 2.5%; right: 0; width: 25px; height: 95%; transform-origin: right center; transform: rotateY(-90deg);
  border-radius: 0 3px 3px 0; background: repeating-linear-gradient(180deg, #fff 0 1px, #d8d0c1 1px 3px);
}
.hero-book:hover { filter: drop-shadow(20px 32px 24px rgba(29,23,69,.34)); }
.hero-book:hover .hero-book-object, .hero-book:focus-visible .hero-book-object { transform: rotateY(-7deg) rotateZ(-1deg) scale(1.035); }
.hero-book:focus-visible { outline: 3px solid rgba(79,70,229,.34); outline-offset: 8px; }
.hero-edition {
  grid-column: 2; align-self: start; justify-self: center; width: min(100%, 224px); margin-top: -12px;
  display: grid; gap: 3px; padding: 13px 15px; border: 1px solid rgba(79,70,229,.14); border-radius: 10px;
  background: rgba(255,255,255,.76); box-shadow: var(--shadow-1); backdrop-filter: blur(10px); color: var(--ink-soft); font-size: 12px;
}
.hero-edition strong { color: var(--ink); font-family: var(--font-display); font-size: 14px; letter-spacing: -.01em; }
.edition-label { color: var(--accent); font-size: 10px; font-weight: 700; letter-spacing: .10em; text-transform: uppercase; }

/* deretan "spine" kecil isyarat rak multi-tema */
.spines { display: flex; gap: 6px; margin: 26px 0 0; }
.spine { height: 30px; width: 12px; border-radius: 3px; opacity: .9; }

/* ---------- section label ---------- */
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin: 48px 0 20px; padding-bottom: 12px; border-bottom: 1px solid var(--line);
}
.section-head h2 {
  font-family: var(--font-display); font-weight: 700; font-size: 15px;
  letter-spacing: .02em; margin: 0; color: var(--ink);
}
.section-head .count { font-size: 12.5px; color: var(--ink-faint); }
.collection-tools { display: flex; align-items: center; gap: 14px; }
.catalog-search { display: flex; align-items: center; gap: 8px; color: var(--ink-faint); font-size: 12px; }
.catalog-search input {
  width: 168px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.75);
  color: var(--ink); font: inherit; transition: width .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.catalog-search input:focus { width: 220px; outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,70,229,.12); }

/* ---------- rak beneran: kompartemen ber-sekat di papan kayu terang ---------- */
:root {
  --wood-lite: #F6EFDF;  /* permukaan papan (kena cahaya) */
  --wood: #E7D6B2;        /* kayu utama */
  --wood-dark: #D2BC8F;   /* bibir depan papan */
  --panel-a: #FBF6EA;     /* dinding-dalam rak (atas) */
  --panel-b: #F2EAD6;     /* dinding-dalam rak (bawah) */
  --sekat: #E1D0AA;       /* sekat vertikal antar buku */
}
.shelf { display: flex; flex-direction: column; gap: 40px; margin: 0; padding: 0; }
.shelf-category { display: grid; gap: 16px; }
.shelf-category-title { display: flex; align-items: end; justify-content: space-between; gap: 12px; margin: 8px 0 0; padding-bottom: 9px; border-bottom: 1px solid var(--line); }
.shelf-category-title h3 { margin: 0; font-family: var(--font-display); font-size: 18px; letter-spacing: -.02em; }
.shelf-category-title span { color: var(--ink-faint); font-size: 12px; }
.shelf-nav { display: flex; gap: 6px; }
.shelf-arrow { width: 31px; height: 31px; border: 1px solid var(--line-strong); border-radius: 50%; background: #fff; color: var(--ink); font: 700 18px/1 var(--font-body); cursor: pointer; transition: transform .18s ease, border-color .18s ease, opacity .18s ease; }
.shelf-arrow:hover:not(:disabled) { transform: translateY(-2px); border-color: var(--accent); color: var(--accent); }
.shelf-arrow:focus-visible { outline: 3px solid rgba(79,70,229,.25); outline-offset: 2px; }
.shelf-arrow:disabled { opacity: .35; cursor: default; }
.shelf-viewport { overflow-x: auto; overscroll-behavior-x: contain; scroll-behavior: smooth; scrollbar-color: var(--wood-dark) transparent; scrollbar-width: thin; }
.shelf-viewport::-webkit-scrollbar { height: 7px; }
.shelf-viewport::-webkit-scrollbar-thumb { background: var(--wood-dark); border-radius: 999px; }
.shelf-track { display: flex; gap: 16px; width: 100%; padding-bottom: 8px; }
.shelf-track .shelf-row { flex: 0 0 100%; }
.grid-loading { color: var(--ink-faint); font-size: 14px; }

.shelf-row { position: relative; isolation: isolate; transition: transform .45s cubic-bezier(.2,.7,.3,1); }
/* dinding-dalam rak: cekung, ada bayangan di tepi atas → terasa kedalaman */
.deck {
  display: grid; align-items: end; position: relative; overflow: hidden;
  background: linear-gradient(180deg, var(--panel-a), var(--panel-b));
  border-radius: 12px 12px 0 0;
  box-shadow: inset 0 13px 18px -12px rgba(96,72,30,.24), inset 0 1px 0 rgba(255,255,255,.6);
}
.deck::after {
  content: ""; position: absolute; z-index: 0; inset: 0; pointer-events: none;
  background: linear-gradient(105deg, transparent 34%, rgba(255,255,255,.54) 48%, transparent 62%);
  transform: translateX(-130%);
}
.cover-cell {
  position: relative; z-index: 1;
  padding: 32px 18px 16px; display: flex; justify-content: center; align-items: flex-end;
}
.cover-cell + .cover-cell { border-left: 4px solid var(--sekat); }
.cover-cell .cover { width: 100%; max-width: 168px; }

/* kompartemen kosong diisi benda dekorasi (SVG dari home.js) — rak terasa dihuni */
.cover-cell.empty { justify-content: center; align-items: flex-end; }
.decor { display: block; height: auto; filter: drop-shadow(5px 9px 7px rgba(45,32,10,.26)); }
.decor-plant { width: clamp(52px, 36%, 78px); }
.decor-stack { width: clamp(78px, 58%, 118px); }

/* papan rak: permukaan terang → bibir gelap, plus bayangan jatuh (mengambang) */
.shelf-plank {
  height: 22px; border-radius: 3px; position: relative; z-index: 2; margin-top: -1px;
  background: linear-gradient(180deg, var(--wood-lite) 0 6px, var(--wood) 6px 12px, var(--wood-dark) 12px 22px);
  box-shadow: 0 24px 30px -16px rgba(96,72,30,.62), inset 0 1px 0 rgba(255,255,255,.7), inset 0 -1px 0 rgba(120,90,40,.28);
}
.shelf-plank::before { /* serat kayu tipis */
  content: ""; position: absolute; inset: 0; border-radius: 3px; opacity: .5;
  background: repeating-linear-gradient(90deg, rgba(120,90,40,.06) 0 2px, transparent 2px 10px);
}

.caps { display: grid; margin-top: 12px; }
.cap { padding: 0 14px; text-align: center; min-width: 0; }
.cap.empty { padding: 0; }
.cap h3 { margin: 0 0 4px; font-size: 14.5px; font-weight: 600; letter-spacing: -.01em;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.cap .harga { font-weight: 700; font-size: 15px; font-variant-numeric: tabular-nums; }
.cap .cap-soon { font-size: 12.5px; color: var(--ink-faint); }
.cap.soon h3 { color: var(--ink-faint); font-weight: 500; }

/* ---------- buku 3D: sampul depan + punggung (spine) + tumpukan halaman ---------- */
.cover {
  position: relative; aspect-ratio: 3 / 4; width: 100%;
  background: none; border: 0; margin: 0; padding: 0; --tebal: 26px;
  perspective: 1100px;
}
button.cover { cursor: pointer; font: inherit; text-align: left; }

.book3d {
  position: absolute; inset: 0;
  transform-style: preserve-3d; transform: rotateY(-24deg);
  transition: transform .55s cubic-bezier(.16,.82,.24,1), filter .55s ease;
  filter: drop-shadow(7px 15px 12px rgba(45,32,10,.42));
  will-change: transform;
}
button.cover:hover .book3d, button.cover:focus-visible .book3d {
  transform: rotateY(-6deg) translateY(-12px) scale(1.025);
  filter: drop-shadow(12px 26px 18px rgba(31,22,66,.34));
}

/* sampul depan */
.book3d-face {
  position: absolute; inset: 0; overflow: hidden; backface-visibility: hidden;
  border-radius: 3px 6px 6px 3px;
  background: linear-gradient(150deg, var(--c1, #4F46E5), var(--c2, #7C3AED));
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 16px; color: #fff;
}
/* gutter gelap dekat punggung + kilau cahaya (menimpa cover asli juga) */
.book3d-face::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 6;
  background:
    linear-gradient(90deg, rgba(0,0,0,.30), rgba(0,0,0,.07) 8px, rgba(0,0,0,0) 20px),
    radial-gradient(120% 80% at 22% 6%, rgba(255,255,255,.22), transparent 55%);
}

/* punggung buku (sisi kiri) — warna lebih gelap dari sampul */
.book3d-spine {
  position: absolute; top: 0; left: 0; height: 100%; width: var(--tebal);
  transform-origin: left center; transform: rotateY(90deg); backface-visibility: hidden;
  border-radius: 3px 0 0 3px; background: #2f2a55;
  background: linear-gradient(90deg,
    color-mix(in srgb, var(--c1, #4F46E5) 55%, #000),
    color-mix(in srgb, var(--c2, #7C3AED) 64%, #000));
  box-shadow: inset -2px 0 5px rgba(0,0,0,.35);
}
/* tumpukan halaman (fore-edge) di sisi kanan */
.book3d-pages {
  position: absolute; top: 2.5%; right: 0; height: 95%; width: var(--tebal);
  transform-origin: right center; transform: rotateY(-90deg); backface-visibility: hidden;
  border-radius: 0 2px 2px 0;
  background: repeating-linear-gradient(180deg, #fff 0 1px, #ded7c5 1px 3px);
}

.cover-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 5; display: block; }
.cover-tag {
  align-self: flex-start; font-size: 10.5px; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; background: rgba(255,255,255,.22); backdrop-filter: blur(2px);
  padding: 4px 9px; border-radius: 999px; position: relative; z-index: 1;
}
.cover-title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(1.02rem, 1.7vw, 1.35rem); line-height: 1.08; letter-spacing: -.02em;
  position: relative; z-index: 1;
  display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden;
  text-shadow: 0 1px 14px rgba(0,0,0,.16);
}
.cover-brand {
  font-size: 10px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  opacity: .82; position: relative; z-index: 1;
}

/* buku "segera hadir" — buku ghost abu-abu */
.book3d.soon { transform: rotateY(-18deg); filter: drop-shadow(5px 12px 10px rgba(45,32,10,.2)); }
.book3d.soon .book3d-face {
  background: repeating-linear-gradient(135deg, #F0F0F3 0 14px, #E9E9ED 14px 28px);
  color: var(--ink-faint); box-shadow: inset 0 0 0 1px var(--line);
}
.book3d.soon .book3d-face::after { display: none; }
.book3d.soon .book3d-spine { background: linear-gradient(90deg, #D2D2D8, #C2C2C9); box-shadow: inset -2px 0 5px rgba(0,0,0,.12); }
.book3d.soon .book3d-pages { display: none; }
.cover-soon {
  margin: auto; font-family: var(--font-display); font-weight: 700; font-size: 14px;
  letter-spacing: .04em; border: 1.5px dashed var(--line-strong); color: var(--ink-faint);
  padding: 7px 12px; border-radius: 999px; background: rgba(255,255,255,.7);
  position: relative; z-index: 1;
}
/* thumbnail buku 3D di panel detail — lebih tipis */
.detail-cover { --tebal: 15px; perspective: 720px; }
.detail-cover .book3d { transform: rotateY(-20deg); }

.harga { font-weight: 700; font-size: 15px; font-variant-numeric: tabular-nums; }

/* ---------- tombol ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; background: var(--ink); color: #fff;
  border: 0; font-family: var(--font-body); font-size: 14.5px; font-weight: 600;
  cursor: pointer; text-decoration: none; transition: transform .15s ease, background .15s ease;
  -webkit-tap-highlight-color: transparent;
}
.btn:hover { transform: translateY(-1px); background: #000; }
.btn:active { transform: translateY(0); }
.btn:focus-visible, button.cover:focus-visible { outline: 3px solid rgba(79,70,229,.34); outline-offset: 4px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.secondary { background: transparent; color: var(--ink); border: 1px solid var(--line-strong); }
.btn.secondary:hover { background: var(--paper-2); }
.btn.block { width: 100%; }

/* ---------- detail + checkout ---------- */
.panel {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 26px;
  margin: 26px 0; background: var(--paper); box-shadow: var(--shadow-1);
}
.detail-head { display: grid; grid-template-columns: 96px 1fr; gap: 20px; align-items: start; }
.detail-cover { aspect-ratio: 3/4; }
.detail-head h2 { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.4rem,3.5vw,2rem); letter-spacing: -.02em; margin: 0 0 8px; }
.detail-desc { color: var(--ink-soft); margin: 0 0 16px; font-size: 14.5px; }
.detail-buy { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.detail-buy .harga { font-size: 22px; }
.cart-list { list-style: none; padding: 0; margin: 18px 0; border-top: 1px solid var(--line); }
.cart-list li { display: flex; align-items: center; gap: 12px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.cart-list strong { flex: 1; font-size: 14px; }
.cart-list .harga { font-size: 14px; }
.cart-remove { border: 0; background: transparent; color: var(--danger); padding: 4px; font: inherit; font-size: 12px; cursor: pointer; }
.cart-total { display: flex; align-items: baseline; justify-content: space-between; margin: 18px 0; font-size: 14px; color: var(--ink-soft); }
.cart-total strong { color: var(--ink); font-size: 20px; }
.checkout-products { margin: 0 0 16px; padding: 12px 14px; border-radius: var(--radius-sm); background: #fff; color: var(--ink-soft); font-size: 13px; }
.checkout-products strong { color: var(--ink); }

.checkout { margin-top: 22px; padding-top: 22px; border-top: 1px solid var(--line); }
.step { display: flex; gap: 10px; align-items: baseline; margin: 20px 0 10px; font-size: 14.5px; font-weight: 600; }
.step:first-child { margin-top: 0; }
.step-no {
  flex: none; font-size: 12px; font-weight: 700; color: var(--accent);
  background: rgba(79,70,229,.10); border-radius: 7px; padding: 2px 8px; font-variant-numeric: tabular-nums;
}
.qris-box { text-align: center; margin: 4px 0 8px; }
.qris-box img {
  width: 360px; max-width: 100%; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 12px; background: #fff;
}
.nominal { font-family: var(--font-display); font-size: 30px; font-weight: 800; text-align: center; margin: 6px 0 4px; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.nominal-note { text-align: center; color: var(--ink-soft); font-size: 13px; margin: 0 0 4px; }

.field { margin-bottom: 15px; }
.field label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 7px; color: var(--ink); }
.field input[type="text"],
.field input[type="email"],
.field input[type="password"] {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  font-size: 16px; font-family: var(--font-body); background: #fff; color: var(--ink); transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,70,229,.16); }
.field input[type="email"]:not(:placeholder-shown):invalid { border-color: var(--danger); box-shadow: 0 0 0 3px rgba(194,43,43,.12); }
.field input[type="file"] { width: 100%; font-size: 14px; color: var(--ink-soft); }
.field input[type="file"]::file-selector-button {
  margin-right: 12px; padding: 9px 14px; border: 1px solid var(--line-strong); border-radius: 999px;
  background: var(--paper-2); color: var(--ink); font: inherit; font-size: 13px; font-weight: 600; cursor: pointer;
}

.msg { font-size: 13.5px; margin-top: 12px; }
.msg:empty { margin: 0; }
/* cincin berputar kecil di depan pesan "sedang memverifikasi" */
.msg.verifying::before {
  content: ""; display: inline-block; width: 13px; height: 13px; margin-right: 8px;
  vertical-align: -2px; border-radius: 50%;
  border: 2px solid rgba(138,109,0,.25); border-top-color: var(--pending);
  animation: spinVerif .8s linear infinite;
}
@keyframes spinVerif { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .msg.verifying::before { animation: none; } }
.msg.error { color: var(--danger); }
.msg.success { color: var(--ok); }
.msg.pending { color: var(--pending); }
.msg .btn { margin-top: 10px; }

/* ---------- cara beli ---------- */
.how-it-works {
  margin: 58px 0 0; padding: 34px; border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(120deg, #F8F8FC, #FFF 62%); box-shadow: var(--shadow-1);
}
.how-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.how-heading .hero-kicker { margin: 0 0 7px; }
.how-heading h2 { margin: 0; font-family: var(--font-editorial); font-size: clamp(1.7rem, 3vw, 2.35rem); font-weight: 650; letter-spacing: -.035em; line-height: .98; }
.buy-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 0; padding: 0; list-style: none; }
.buy-steps li { position: relative; min-height: 144px; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: rgba(255,255,255,.8); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.buy-steps li:not(:last-child)::after { content: "→"; position: absolute; right: -18px; top: 50%; z-index: 1; width: 36px; color: var(--accent); text-align: center; font-size: 18px; }
.buy-steps li:hover { transform: translateY(-5px); border-color: rgba(79,70,229,.32); box-shadow: var(--shadow-2); }
.step-index { display: block; margin-bottom: 20px; color: var(--accent); font-size: 11px; font-weight: 700; letter-spacing: .10em; }
.buy-steps h3 { margin: 0 0 5px; font-family: var(--font-display); font-size: 16px; letter-spacing: -.015em; }
.buy-steps p { margin: 0; color: var(--ink-soft); font-size: 13px; }

/* ---------- footer ---------- */
footer.foot {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 24px; justify-content: space-between;
  padding: 34px 0; border-top: 1px solid var(--line); margin-top: 54px;
  font-size: 13px; color: var(--ink-soft);
}
.foot-brand {
  font-family: var(--font-display); font-weight: 800; font-size: 14px; letter-spacing: -.01em;
  color: var(--ink); display: inline-flex; align-items: center; gap: 7px;
}
.foot-copy { width: 100%; color: var(--ink-faint); font-size: 12px; }

/* ---------- admin (berbagi style.css) ---------- */
table.orders { width: 100%; border-collapse: collapse; font-size: 13px; }
table.orders th, table.orders td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
table.orders th { font-weight: 600; color: var(--ink-soft); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
table.orders img.thumb { max-width: 60px; border-radius: 8px; border: 1px solid var(--line); }
.status-pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 11px; font-weight: 700; }
.status-pill.confirmed { background: #DEF7E5; color: var(--ok); }
.status-pill.pending { background: #FFF3CD; color: var(--pending); }
.status-pill.submitted { background: #E8E6FF; color: var(--accent); }
.status-pill.flagged { background: #FBDADA; color: var(--danger); }
.analysis-pill { display: inline-block; min-width: 112px; padding: 5px 8px; border-radius: 7px; font-size: 11px; font-weight: 700; line-height: 1.25; }
.analysis-pill.good { background: #DEF7E5; color: var(--ok); }
.analysis-pill.review { background: #FFF3CD; color: #6D5700; }
.analysis-pill.danger { background: #FBDADA; color: var(--danger); }
.order-actions { display: flex; flex-wrap: wrap; gap: 6px; min-width: 170px; }
.order-actions .btn { padding: 8px 12px; font-size: 12px; }
.admin-warning { margin: 0 0 16px; padding: 12px 14px; border: 1px solid #E8D48D; border-radius: var(--radius-sm); background: #FFF8DD; color: #6D5700; font-size: 13px; }
.admin-catalog, .admin-orders { margin: 28px 0; }
.admin-overview { margin: 24px 0 32px; }
.admin-section-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.admin-section-head .hero-kicker { margin: 0 0 5px; }
.admin-section-head h1, .admin-section-head h2 { margin: 0; font-family: var(--font-display); font-size: clamp(1.35rem, 3vw, 1.8rem); letter-spacing: -.03em; }
.product-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 16px; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper-2); }
.product-form .field:nth-child(3), .product-form .field:nth-child(4), .product-form .field:nth-child(5), .product-form .publish-toggle, .product-form .detail-buy, .product-form .msg { grid-column: 1 / -1; }
.product-form textarea { width: 100%; min-height: 96px; padding: 12px 14px; resize: vertical; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: #fff; color: var(--ink); font: inherit; }
.product-form textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,70,229,.16); }
.publish-toggle { display: flex; gap: 9px; align-items: center; margin: 2px 0 16px; font-size: 13px; font-weight: 600; }
.products-admin { display: grid; gap: 10px; }
.admin-categories { margin: 28px 0; }
.category-form { display: grid; grid-template-columns: minmax(160px, 1fr) minmax(200px, 2fr) auto auto; gap: 8px; }
.category-form input, .product-form select { min-height: 40px; padding: 9px 11px; border: 1px solid var(--line-strong); border-radius: 8px; background: #fff; color: var(--ink); font: inherit; font-size: 13px; }
.categories-admin, .category-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.category-admin, .category-filter { display: inline-flex; align-items: center; gap: 7px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; background: #fff; font-size: 12px; }
.category-admin button { border: 0; background: transparent; color: var(--accent); font: inherit; font-size: 12px; cursor: pointer; }
.category-filter { cursor: pointer; color: var(--ink-soft); }
.category-filter.active { border-color: var(--accent); background: rgba(79,70,229,.10); color: var(--accent); font-weight: 700; }
.category-tag { display: inline-block; margin-bottom: 5px; color: var(--accent); font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.admin-product { display: grid; grid-template-columns: 54px 1fr auto; gap: 14px; align-items: center; padding: 13px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; }
.admin-product img, .admin-cover-empty { width: 54px; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 5px; background: var(--paper-2); }
.admin-cover-empty { display: grid; place-items: center; color: var(--ink-faint); font-size: 11px; }
.admin-product h3 { margin: 0 0 3px; font-size: 14px; }
.admin-product p { margin: 0; color: var(--ink-soft); font-size: 12px; }
.admin-product-actions { display: flex; flex-wrap: wrap; justify-content: end; gap: 7px; }
.admin-product-actions .btn { padding: 8px 12px; font-size: 12px; }
.overview-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.overview-card { min-height: 106px; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: linear-gradient(140deg, #fff, #F5F4FF); }
.overview-card small { display: block; color: var(--ink-soft); font-size: 12px; }
.overview-card strong { display: block; margin-top: 8px; font-family: var(--font-display); font-size: clamp(1.3rem, 3vw, 1.85rem); letter-spacing: -.04em; }
.overview-card p { margin: 8px 0 0; color: var(--ink-soft); font-size: 12px; }
.order-filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 14px; }
.order-filters input, .order-filters select { min-height: 38px; padding: 8px 10px; border: 1px solid var(--line-strong); border-radius: 8px; background: #fff; color: var(--ink); font: inherit; font-size: 13px; }
.order-filters input[type="search"] { flex: 1 1 220px; }
.order-filters .btn { padding: 8px 12px; font-size: 12px; }

/* kilau menyapu sampul — diam di luar layar kiri, tak terlihat saat idle */
.book3d-face::before {
  content: ""; position: absolute; top: 0; left: -75%; width: 55%; height: 100%; z-index: 7;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.42), transparent);
  transform: skewX(-16deg); pointer-events: none;
}

/* ---------- animasi: bikin rak terasa hidup (semua dijaga reduced-motion) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(14px); animation: rise .5s cubic-bezier(.2,.7,.3,1) forwards; }
  @keyframes rise { to { opacity: 1; transform: none; } }

  /* reveal saat scroll (kelas sr-in ditambah IntersectionObserver di home.js) */
  .sr { opacity: 0; transform: translateY(22px); transition: opacity .65s cubic-bezier(.2,.7,.3,1), transform .65s cubic-bezier(.2,.7,.3,1); }
  .sr.sr-in { opacity: 1; transform: none; }

  /* hero muncul berurutan saat halaman dibuka */
  .hero-copy > * { opacity: 0; animation: riseIn .6s cubic-bezier(.2,.7,.3,1) both; }
  .hero-kicker { animation-delay: .05s; }
  .hero h1 { animation-delay: .16s; }
  .hero .subtitle { animation-delay: .30s; }
  .hero-cta { animation-delay: .44s; }
  .spines { animation-delay: .56s; }
  @keyframes riseIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
  .hero::before { animation: heroGlow 8s ease-in-out infinite alternate; }
  .hero h1 .u { animation: underlineIn .75s .68s cubic-bezier(.2,.8,.2,1) both; }
  .brand-dot { animation: brandPulse 3.4s ease-in-out infinite; }
  .hero-book { animation: heroBookFloat 5.5s ease-in-out infinite; }
  .hero-book:hover { animation-play-state: paused; }
  .hero-edition { animation: editionIn .55s .65s cubic-bezier(.2,.8,.2,1) both; }
  @keyframes heroGlow { to { transform: translate3d(48px, 12px, 0) scale(1.12); } }
  @keyframes underlineIn { from { background-size: 0 100%; } to { background-size: 100% 100%; } }
  @keyframes brandPulse { 50% { box-shadow: 0 0 0 7px rgba(79,70,229,0); } }
  @keyframes heroBookFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
  }
  @keyframes editionIn { from { opacity: 0; transform: translateY(10px); } }

  /* buku mengambang pelan terus-menerus — fase beda per buku (animation-delay inline dari JS) */
  .cover-cell .cover { animation: bookFloat 6.5s ease-in-out infinite; }
  .cover-cell button.cover:hover { animation-play-state: paused; }
  @keyframes bookFloat {
    0%, 100% { transform: translateY(0) rotate(-.35deg); }
    50% { transform: translateY(-6px) rotate(.35deg); }
  }

  .deck::after { animation: shelfLight 12s cubic-bezier(.4,0,.2,1) infinite; }
  .shelf-row:hover { transform: translateY(-3px); }
  .shelf-row:hover .deck::after { animation-duration: 2.2s; }
  @keyframes shelfLight {
    0%, 54% { transform: translateX(-130%); opacity: 0; }
    58% { opacity: 1; }
    76%, 100% { transform: translateX(130%); opacity: 0; }
  }

  /* kilau menyapu sampul saat disentuh/hover */
  button.cover:hover .book3d-face::before { animation: sheen .7s ease; }
  @keyframes sheen { from { left: -75%; } to { left: 145%; } }

  /* spine mini di hero gerak seperti equalizer */
  .spine { transform-origin: bottom; animation: spineEq 2.6s ease-in-out infinite; }
  .spine:nth-child(2) { animation-delay: .22s; }
  .spine:nth-child(3) { animation-delay: .44s; }
  .spine:nth-child(4) { animation-delay: .66s; }
  .spine:nth-child(5) { animation-delay: .88s; }
  @keyframes spineEq { 0%, 100% { transform: scaleY(1); } 50% { transform: scaleY(1.5); } }

  /* panah CTA memantul halus mengajak scroll */
  .cta-arrow { display: inline-block; animation: arrowBob 1.6s ease-in-out infinite; }
  @keyframes arrowBob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(4px); } }
}

@media (max-width: 560px) {
  .hero { grid-template-columns: 1fr; gap: 12px; padding-right: 0; }
  .hero-copy, .hero-book, .hero-edition { grid-column: 1; grid-row: auto; }
  .hero-book { width: 148px; margin: 0 12px 0 auto; }
  .hero-edition { justify-self: end; width: 148px; margin: -4px 12px 0 0; padding: 10px 12px; }
  .section-head { align-items: flex-start; flex-wrap: wrap; gap: 12px; }
  .collection-tools { width: 100%; justify-content: flex-end; gap: 8px; }
  .catalog-search input, .catalog-search input:focus { width: 146px; }
  .how-it-works { margin-top: 42px; padding: 24px 18px; }
  .how-heading { display: block; margin-bottom: 22px; }
  .buy-steps { grid-template-columns: 1fr; gap: 10px; }
  .buy-steps li { min-height: 0; padding: 15px 16px 15px 62px; }
  .buy-steps li:not(:last-child)::after { content: "↓"; top: auto; right: auto; bottom: -15px; left: 16px; width: auto; }
  .step-index { position: absolute; top: 18px; left: 16px; margin: 0; }
  .shelf { gap: 30px; }
  .shelf-nav { display: none; }
  .cover-cell { padding: 22px 12px 12px; }
  .cover-cell + .cover-cell { border-left-width: 3px; }
  .cover-cell .cover { --tebal: 17px; }
  .cover-cell .book3d { transform: rotateY(-20deg); }
  .cover-cell .book3d.soon { transform: rotateY(-15deg); }
  .book3d-face { padding: 12px; }
  .cover-title { font-size: 1rem; -webkit-line-clamp: 3; }
  .shelf-plank { height: 18px; }
  .caps { margin-top: 10px; }
  .cap { padding: 0 8px; }
  .detail-head { grid-template-columns: 76px 1fr; gap: 14px; }
  .product-form { grid-template-columns: 1fr; padding: 16px; }
  .category-form { grid-template-columns: 1fr; }
  .overview-cards { grid-template-columns: 1fr; }
  .admin-product { grid-template-columns: 42px 1fr; }
  .admin-product img, .admin-cover-empty { width: 42px; }
  .admin-product-actions { grid-column: 1 / -1; justify-content: start; }
  footer.foot { flex-direction: column; }
}