:root {
  /* Selaras logo Aruna: merah crimson + emas/gold + hitam. */
  --red: #c9151c;
  --red-dark: #a01016;
  --gold: #f2c200;
  --gold-light: #f7d54a;
  --gold-dark: #d49a00;
  --ink: #1b1b1f;
  --muted: #6b7280;
  --line: #e7e3da;
  --bg: #f6f4ef;
  --panel: #ffffff;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(20, 16, 8, .06), 0 8px 24px rgba(20, 16, 8, .07);
}

* { box-sizing: border-box; }

/* Atribut `hidden` harus selalu menang atas display:grid/flex/block di rule lain
   (kalau tidak, placeholder/dz-filled/order-btn tetap terlihat walau di-hide). */
[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
}

/* Ribbon aksen merah→emas di paling atas (khas brand). */
.top-accent { height: 4px; background: linear-gradient(90deg, var(--red) 0%, var(--gold) 100%); }

/* Header */
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 24px; background: var(--panel); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; text-decoration: none; }
.brand-logo { height: 32px; width: auto; display: block; }
.site-nav a { color: var(--ink); text-decoration: none; font-size: 14px; font-weight: 600; }
.site-nav a:hover { color: var(--red); }

/* Layout */
.wrap { max-width: 1080px; margin: 0 auto; padding: 28px 24px 48px; }
.page-title { font-size: 26px; margin: 8px 0 4px; }
.page-sub { color: var(--muted); margin: 0 0 24px; }
.layout { display: grid; grid-template-columns: 1fr 1.15fr; gap: 24px; align-items: start; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; }

/* Steps */
.step { margin-bottom: 22px; }
.step h2 { font-size: 15px; display: flex; align-items: center; gap: 9px; margin: 0 0 12px; }
.num {
  display: inline-grid; place-items: center; width: 22px; height: 22px;
  background: var(--red); color: #fff; border-radius: 50%; font-size: 12px; font-weight: 700;
}

/* Dropzone */
.dropzone {
  display: block; border: 2px dashed #f0a6ac; border-radius: 12px; background: #fff6f6;
  padding: 26px 16px; text-align: center; cursor: pointer; transition: border-color .15s, background .15s;
}
.dropzone.dragover { border-color: var(--red); background: #ffecee; }
.dropzone.has-file { border-style: solid; border-color: #cfe9d6; background: #f3fbf5; padding: 16px; }
.dz-icon { font-size: 26px; color: var(--red); }
.dropzone p { margin: 8px 0 4px; font-size: 14px; }
.dropzone small { color: var(--muted); }
.dz-filled { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.file-name { font-size: 14px; font-weight: 600; word-break: break-all; }
.file-remove { border: none; background: transparent; color: var(--muted); cursor: pointer; font-size: 16px; }
.file-remove:hover { color: var(--red); }

/* Link "coba contoh desain" di bawah dropzone */
.sample-hint { margin: 10px 0 0; font-size: 13px; color: var(--muted); text-align: center; }
.sample-link {
  border: none; background: transparent; padding: 0; font: inherit; cursor: pointer;
  color: var(--red); font-weight: 600; text-decoration: underline; text-underline-offset: 2px;
}
.sample-link:hover { color: var(--red-dark); }
.sample-link:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; border-radius: 3px; }

/* Badge kualitas cetak (PPI) */
.dpi-badge {
  margin-top: 12px; padding: 9px 12px; border-radius: 10px; font-size: 13px; font-weight: 600;
  display: flex; align-items: center; gap: 8px; border: 1px solid transparent; line-height: 1.35;
}
.dpi-badge::before { content: "●"; font-size: 11px; }
.dpi-badge.good { background: #eefaf1; color: #1c7a3e; border-color: #b8e3c4; }
.dpi-badge.ok   { background: #fff8e8; color: #9a6b00; border-color: #f2dfa0; }
.dpi-badge.low  { background: #fdeef0; color: #b21f27; border-color: #f2c0c4; }

/* Options (radio besar) */
.options { display: flex; gap: 10px; flex-wrap: wrap; }
.opt { position: relative; flex: 1 1 120px; }
.opt input { position: absolute; opacity: 0; pointer-events: none; }
.opt span {
  display: block; text-align: center; padding: 11px 12px; border: 1.5px solid var(--line);
  border-radius: 10px; font-size: 14px; font-weight: 600; cursor: pointer; transition: all .12s;
}
.opt input:checked + span { border-color: var(--red); background: #fff1f2; color: var(--red); }
.opt input:focus-visible + span { outline: 2px solid var(--red); outline-offset: 2px; }

/* Buttons */
.btn { display: inline-block; text-align: center; border: none; border-radius: 10px; font-size: 15px; font-weight: 700; cursor: pointer; padding: 13px 18px; text-decoration: none; transition: background .12s, transform .06s, opacity .12s; }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn-block { display: block; width: 100%; }
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--red-dark); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-ghost { background: #fff; color: var(--red); border: 1.5px solid var(--red); padding: 9px 16px; font-size: 14px; }
.btn-ghost:hover { background: #fff1f2; }
.btn-ghost.copied { background: #f3fbf5; color: #1c7a3e; border-color: #9bd6ab; }
.btn-secondary { background: #fff; color: var(--ink); border: 1.5px solid var(--line); }
.btn-secondary:hover:not(:disabled) { border-color: var(--gold-dark); color: var(--gold-dark); }

.form-msg { font-size: 13px; min-height: 18px; margin: 4px 0 0; }
.form-msg.error { color: var(--red); }
.form-msg.info { color: var(--muted); }

/* Preview head + segmented control */
.preview-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.preview-title { font-size: 15px; margin: 0; }
.segmented { display: inline-flex; background: #f1eee7; border: 1px solid var(--line); border-radius: 10px; padding: 3px; gap: 2px; }
.seg { position: relative; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg span {
  display: block; padding: 6px 16px; border-radius: 8px; font-size: 13px; font-weight: 700;
  color: var(--muted); cursor: pointer; transition: all .12s; user-select: none;
}
.seg input:checked + span { background: var(--panel); color: var(--red); box-shadow: 0 1px 2px rgba(0,0,0,.12); }
.seg input:focus-visible + span { outline: 2px solid var(--red); outline-offset: 2px; }

/* Chips overlay */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span {
  display: inline-block; padding: 8px 14px; border: 1.5px solid var(--line); border-radius: 999px;
  font-size: 13px; font-weight: 600; color: var(--muted); cursor: pointer; transition: all .12s; user-select: none;
}
.chip span::before { content: "＋ "; font-weight: 700; }
.chip input:checked + span { border-color: var(--gold-dark); background: #fff8e8; color: var(--gold-dark); }
.chip input:checked + span::before { content: "✓ "; }
.chip input:focus-visible + span { outline: 2px solid var(--gold-dark); outline-offset: 2px; }

/* Preview canvas */
.canvas-wrap { position: relative; border-radius: 12px; overflow: hidden; background: #26211c; }
#preview-canvas { display: block; width: 100%; height: auto; }
#preview-canvas.fade-in { animation: matFade .22s ease; }
@keyframes matFade { from { opacity: .3; } to { opacity: 1; } }
.canvas-placeholder {
  position: absolute; inset: 0; display: grid; place-items: center; align-content: center; gap: 6px;
  text-align: center; color: #d8cfc2; padding: 20px; background: linear-gradient(135deg, #2a241e, #39302a);
}
.canvas-placeholder .ph-icon { font-size: 34px; opacity: .7; }
.canvas-placeholder p { margin: 0; font-size: 14px; max-width: 320px; }

.order-hint { font-size: 13px; color: var(--muted); margin: 14px 0 0; }
.order-result { margin: 16px 0 0; padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: #fafbfc; }
.code-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.code-row small { color: var(--muted); font-size: 12px; }
.order-code {
  font-size: 26px; font-weight: 800; letter-spacing: .06em;
  background: linear-gradient(180deg, var(--gold-light), var(--gold-dark));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  -webkit-text-stroke: .3px rgba(0,0,0,.25);
}
.code-instruct { font-size: 13px; color: var(--muted); margin: 12px 0 14px; }

/* CTA row (Unduh Mockup + Buat Pesanan) */
.cta-row { display: flex; gap: 10px; margin-top: 14px; }
.btn-grow { flex: 1 1 auto; }

.site-footer { text-align: center; color: var(--muted); font-size: 13px; padding: 24px; border-top: 1px solid var(--line); }

/* ── Mobile (< 720px): panel menumpuk, preview tetap besar ── */
@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .wrap { padding: 20px 16px 40px; }
  .page-title { font-size: 22px; }
  .preview-head { flex-wrap: wrap; }
  .cta-row { flex-direction: column-reverse; }
  .btn-secondary { width: 100%; }
  .chip span, .seg span { padding-top: 10px; padding-bottom: 10px; } /* target sentuh lebih besar */
  .seg span { padding-left: 20px; padding-right: 20px; }
}