/* Pionheir — Rulebook page styles */

.rb-root {
  background: var(--parchment);
  color: var(--ink);
  font-family: var(--font-body);
  min-height: 100vh;
}

/* Top bar */
.rb-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 56px;
  background: var(--wood);
  border-bottom: 2px solid var(--gold-deep);
}
.rb-mark {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none;
  color: var(--gold);
}
.rb-mark img { width: 40px; height: 40px; object-fit: contain; }
.rb-mark span {
  font-family: var(--font-display);
  font-size: 21px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.rb-nav { display: flex; gap: 30px; }
.rb-nav a {
  color: rgba(240, 227, 194, 0.85);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color .15s;
}
.rb-nav a:hover { color: var(--gold-bright); }

/* Header band */
.rb-head {
  padding: 64px 56px 72px;
  color: var(--parchment);
  position: relative;
}
.rb-head::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 20%, rgba(201, 163, 90, 0.12), transparent 55%);
  pointer-events: none;
}
.rb-head-inner {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  text-align: center;
}
.rb-head h1 {
  font-family: var(--font-display);
  font-size: clamp(40px, 9vw, 80px);
  margin: 20px 0 16px;
  color: var(--gold-bright);
  letter-spacing: 0.01em;
}
.rb-head p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 20px;
  line-height: 1.55;
  color: rgba(240, 227, 194, 0.8);
  max-width: 600px;
  margin: 0 auto;
}

/* Language bar */
.rb-langbar {
  background: var(--parchment-warm);
  border-bottom: 2px solid var(--gold-deep);
  position: sticky;
  top: 0;
  z-index: 5;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}
.rb-langbar-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.rb-lang-tabs { display: flex; gap: 12px; }
.rb-lang-tab {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: left;
  background: transparent;
  border: 1px solid rgba(138, 100, 40, 0.4);
  padding: 10px 22px;
  cursor: pointer;
  font-family: var(--font-body);
  transition: all .15s;
}
.rb-lang-tab:hover { border-color: var(--gold-deep); background: rgba(201, 163, 90, 0.1); }
.rb-lang-tab.active {
  background: var(--wood);
  border-color: var(--wood);
}
.rb-lang-native {
  font-family: var(--font-display);
  font-size: 19px;
  color: var(--ink);
  letter-spacing: 0.02em;
}
.rb-lang-tab.active .rb-lang-native { color: var(--gold-bright); }
.rb-lang-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  opacity: 0.7;
}
.rb-lang-tab.active .rb-lang-label { color: rgba(240, 227, 194, 0.7); opacity: 1; }
.rb-lang-actions { display: flex; gap: 12px; align-items: center; }
.rb-action-sm {
  padding: 11px 20px;
  font-size: 12px;
}

/* Viewer */
.rb-viewer-wrap {
  padding: 48px 56px 64px;
  background: var(--parchment);
  display: flex;
  justify-content: center;
}
.rb-viewer {
  position: relative;
  width: 100%;
  max-width: 1000px;
  background: var(--wood);
  padding: 10px;
  border: 1px solid var(--gold-deep);
  box-shadow: 0 24px 60px rgba(0,0,0,0.3);
}
.rb-viewer-corner {
  position: absolute;
  width: 22px; height: 22px;
  border: 2px solid var(--gold);
  z-index: 2;
  pointer-events: none;
}
.rb-viewer-corner.tl { top: 2px; left: 2px; border-right: none; border-bottom: none; }
.rb-viewer-corner.tr { top: 2px; right: 2px; border-left: none; border-bottom: none; }
.rb-viewer-corner.bl { bottom: 2px; left: 2px; border-right: none; border-top: none; }
.rb-viewer-corner.br { bottom: 2px; right: 2px; border-left: none; border-top: none; }
.rb-pdf-scroll {
  display: block;
  width: 100%;
  height: 80vh;
  min-height: 600px;
  max-height: 1100px;
  overflow-y: auto;
  background: var(--parchment-deep);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  scrollbar-width: thin;
  scrollbar-color: var(--gold-deep) transparent;
}
.rb-pdf-scroll::-webkit-scrollbar { width: 10px; }
.rb-pdf-scroll::-webkit-scrollbar-thumb { background: var(--gold-deep); border-radius: 5px; }
.rb-pdf-scroll::-webkit-scrollbar-track { background: rgba(0,0,0,0.15); }
.rb-pdf-page {
  display: block;
  width: 100%;
  height: auto;
  box-shadow: 0 6px 18px rgba(0,0,0,0.35);
  background: #ece3d0;
}
.rb-page-badge {
  position: absolute;
  bottom: 18px;
  right: 22px;
  z-index: 3;
  background: var(--wood);
  color: var(--gold-bright);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 8px 14px;
  border: 1px solid var(--gold-deep);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

/* Loading / error states layered over the viewer */
.rb-overlay {
  position: absolute;
  inset: 10px;
  z-index: 4;
}
.rb-iframe-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  text-align: center;
  padding: 48px;
  background: var(--parchment-warm);
  color: var(--ink-soft);
}
.rb-iframe-state p {
  font-size: 16px;
  line-height: 1.6;
  max-width: 380px;
  margin: 0;
}
.rb-iframe-state span {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.rb-state-shield {
  width: 90px;
  height: 90px;
  object-fit: contain;
  opacity: 0.9;
}
.rb-spinner {
  width: 40px; height: 40px;
  border: 3px solid rgba(138, 100, 40, 0.25);
  border-top-color: var(--gold-deep);
  border-radius: 50%;
  animation: rb-spin .9s linear infinite;
}
@keyframes rb-spin { to { transform: rotate(360deg); } }

.btn-gold:disabled {
  opacity: 0.55;
  cursor: default;
  transform: none;
}

/* Player aid */
.rb-aid {
  padding: 80px 56px;
  background: var(--parchment-warm);
  border-top: 2px solid var(--gold-deep);
  border-bottom: 2px solid var(--gold-deep);
}
.rb-aid-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: center;
}
.rb-aid-text h2 {
  font-family: var(--font-display);
  font-size: clamp(30px, 6vw, 44px);
  margin: 18px 0 14px;
  color: var(--ink);
}
.rb-aid-text p {
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-soft);
  margin: 0 0 28px;
  max-width: 460px;
}
.rb-aid-dl { display: inline-flex; align-items: center; }
.rb-aid-preview {
  position: relative;
  display: block;
  background: var(--wood);
  padding: 14px;
  border: 1px solid var(--gold-deep);
  box-shadow: 0 18px 44px rgba(0,0,0,0.28);
  transition: transform .25s ease, box-shadow .25s ease;
}
.rb-aid-preview:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 56px rgba(0,0,0,0.34);
}
.rb-aid-preview img {
  display: block;
  width: 100%;
  height: auto;
}

/* Footer */
.rb-footer {
  padding: 56px 56px 32px;
  color: var(--parchment);
}
.rb-footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(201, 163, 90, 0.2);
  flex-wrap: wrap;
}
.rb-footer-brand { display: flex; align-items: center; gap: 16px; }
.rb-footer-mark { width: 52px; height: 52px; object-fit: contain; }
.rb-footer-name {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-bright);
}
.rb-footer-brand p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  color: rgba(240, 227, 194, 0.6);
  margin: 4px 0 0;
}
.rb-footer-links { display: flex; gap: 28px; flex-wrap: wrap; }
.rb-footer-links a {
  color: rgba(240, 227, 194, 0.75);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.rb-footer-links a:hover { color: var(--gold-bright); }
.rb-footer-base {
  max-width: 1080px;
  margin: 0 auto;
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(240, 227, 194, 0.45);
  flex-wrap: wrap;
  gap: 8px;
}
.rb-footer-tag {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: none;
  color: rgba(240, 227, 194, 0.55);
}

/* Responsive */
@media (max-width: 860px) {
  .rb-topbar { padding: 14px 24px; flex-wrap: wrap; gap: 10px; }
  .rb-nav { gap: 18px; }
  .rb-head { padding: 48px 24px 56px; }
  .rb-langbar-inner { padding: 14px 24px; }
  .rb-viewer-wrap { padding: 32px 20px 48px; }
  .rb-aid { padding: 56px 24px; }
  .rb-aid-inner { grid-template-columns: 1fr; gap: 32px; }
  .rb-footer { padding: 40px 24px 28px; }
}

@media (max-width: 560px) {
  .rb-topbar { flex-direction: column; align-items: flex-start; padding: 14px 18px; }
  .rb-nav { gap: 8px 16px; flex-wrap: wrap; }
  .rb-nav a { font-size: 12px; }
  .rb-head { padding: 40px 18px 48px; }
  .rb-head p { font-size: 16px; }

  .rb-langbar-inner { padding: 12px 18px; gap: 14px; }
  .rb-lang-tabs { width: 100%; }
  .rb-lang-tab { flex: 1; padding: 9px 12px; align-items: center; text-align: center; }
  .rb-lang-native { font-size: 16px; }
  .rb-lang-actions { width: 100%; }
  .rb-action-sm { flex: 1; justify-content: center; }

  .rb-viewer-wrap { padding: 22px 12px 40px; }
  .rb-viewer { padding: 6px; }
  .rb-pdf-scroll { height: 72vh; min-height: 420px; padding: 10px; gap: 12px; }

  .rb-aid { padding: 48px 18px; }
  .rb-aid-text p { font-size: 16px; }

  .rb-footer { padding: 36px 18px 24px; }
  .rb-footer-inner { flex-direction: column; align-items: flex-start; gap: 20px; }
  .rb-footer-links { gap: 14px 22px; }
  .rb-footer-base { flex-direction: column; align-items: flex-start; gap: 8px; }
}