/* ═══════════════════════════════════════════════════
   layout.css  —  Page shell, ad positioning, responsive
════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%;
  height: 100vh;
  overflow: hidden; /* prevent page scroll */
  background: #22170f;
  color: #c8922a;
  font-family: 'IM Fell English', serif;
}

/* ── TOP BRAND BAR ───────────────────────────────── */
#topBar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 20px;
  background: linear-gradient(180deg, #3a2615, #241407);
  border-bottom: 2px solid #7a4a18;
  height: 38px;
}
#brandName {
  font-family: 'Cinzel', serif;
  font-size: 16px;
  font-weight: 700;
  color: #c8922a;
  letter-spacing: 3px;
  text-shadow: 0 0 20px #ff660088;
}
#topTagline {
  font-size: 12px;
  color: #b99452;
  font-style: italic;
}

/* ── MAIN ROW: game + sidebar ────────────────────── */
#pageShell {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

#mainRow {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 10px 0 10px;
  width: 100%;
  max-width: 1260px;
  flex: 1;
  min-height: 0; /* critical — lets flex children shrink below content size */
  overflow: hidden;
}

/* ── GAME COLUMN ─────────────────────────────────── */
#gameColumn {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-width: 0;
  min-height: 0;
  height: 100%;
}

/* Canvas mount: Three.js injects its canvas here */
#canvasMount {
  width: 100%;
  flex: 1;
  min-height: 0;
  background: #000;
  position: relative;
  overflow: hidden;
}
#canvasMount canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

/* ── RIGHT SIDEBAR ───────────────────────────────── */
#adSidebar {
  flex: 0 0 160px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding-top: 4px;
}

/* ── BOTTOM BANNER ───────────────────────────────── */
#adBanner {
  display: flex;
  justify-content: center;
  padding: 8px 0 10px 0;
  width: 100%;
}

/* ── ARCADE SIDEBAR LINK ─────────────────────────── */
.arcade-sidebar {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 20px 14px;
  height: 100%;
  background: linear-gradient(160deg, #3a2615 60%, #241407);
  border: 1px solid #7a4a18;
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s;
}
.arcade-sidebar:hover {
  background: linear-gradient(160deg, #493018 60%, #2d1808);
  border-color: #c8922a;
}
.arcade-sidebar-glyph {
  font-size: 32px;
  color: #c8922a;
  text-shadow: 0 0 18px #ff660066;
}
.arcade-sidebar-title {
  font-family: 'Cinzel', serif;
  font-size: 13px;
  font-weight: 700;
  color: #c8922a;
  letter-spacing: 4px;
  text-align: center;
}
.arcade-sidebar-divider {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, #5a3a10, transparent);
}
.arcade-sidebar-body {
  font-family: 'IM Fell English', serif;
  font-style: italic;
  font-size: 11px;
  color: #b99452;
  text-align: center;
  line-height: 1.6;
}
.arcade-sidebar-cta {
  font-family: 'Cinzel', serif;
  font-size: 10px;
  letter-spacing: 2px;
  color: #7a5a20;
  margin-top: 4px;
  transition: color 0.2s;
}
.arcade-sidebar:hover .arcade-sidebar-cta { color: #c8922a; }

/* ── ARCADE BANNER LINK ──────────────────────────── */
.arcade-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 24px;
  background: linear-gradient(90deg, #3a2615, #241407, #3a2615);
  border: 1px solid #3a1a00;
  text-decoration: none;
  max-width: 728px;
  width: 100%;
  transition: border-color 0.2s;
}
.arcade-banner:hover { border-color: #c8922a; }
.arcade-banner-icon {
  font-size: 20px;
  color: #c8922a;
  flex-shrink: 0;
}
.arcade-banner-text {
  font-family: 'Cinzel', serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  color: #c8922a;
  white-space: nowrap;
}
.arcade-banner-divider {
  color: #3a1a00;
  font-size: 18px;
}
.arcade-banner-sub {
  font-family: 'IM Fell English', serif;
  font-style: italic;
  font-size: 12px;
  color: #b99452;
  flex: 1;
}
.arcade-banner-cta {
  font-family: 'Cinzel', serif;
  font-size: 10px;
  letter-spacing: 2px;
  color: #7a5a20;
  white-space: nowrap;
  flex-shrink: 0;
  transition: color 0.2s;
}
.arcade-banner:hover .arcade-banner-cta { color: #c8922a; }

/* ── OVERLAY LAYER (full-screen panels) ──────────── */
#overlayLayer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 200;
}
#overlayLayer > * {
  pointer-events: all;
}

/* ── RESPONSIVE: collapse sidebar below 1000px ───── */
@media (max-width: 1000px) {
  #adSidebar { display: none; }
  .arcade-banner { max-width: 100%; }
  #mainRow { padding: 6px; gap: 0; }
}
@media (max-width: 760px) {
  #adBanner { display: none; }
  #topTagline { display: none; }
}
/* ── Title screen loading state ─────────────────── */
.title-loading {
  font-family: 'IM Fell English', serif;
  font-size: 13px;
  color: #b99452;
  letter-spacing: 2px;
  min-height: 20px;
  margin-bottom: 10px;
  transition: opacity 0.4s;
}
#titleStartBtn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

/* ── Entry cinematic ─────────────────────────────── */
#entryCinematic {
  display: none;
  position: fixed; inset: 0; z-index: 400;
  background: #000;
  align-items: center; justify-content: center;
  opacity: 0;
  transition: opacity 0.8s;
}
#entryCinematic.ec-visible { opacity: 1; }

.ec-inner {
  display: flex; flex-direction: column; align-items: center;
  gap: 0; text-align: center;
  animation: ec-drift 4s ease-out forwards;
}
@keyframes ec-drift {
  from { transform: translateY(18px); }
  to   { transform: translateY(0);    }
}
.ec-subtitle {
  font-family: 'Cinzel', serif;
  font-size: 13px; letter-spacing: 10px;
  color: #7a5a20; margin-bottom: 6px;
  animation: ec-fadein 1.4s 0.3s both;
}
.ec-title {
  font-family: 'Cinzel', serif;
  font-size: clamp(42px, 7vw, 80px);
  font-weight: 700; letter-spacing: 12px;
  color: #c8922a;
  text-shadow: 0 0 40px #ff660066, 0 0 80px #ff440033;
  animation: ec-fadein 1.2s 0.1s both;
}
.ec-divider {
  width: 180px; height: 1px;
  background: linear-gradient(90deg, transparent, #7a5a20, transparent);
  margin: 22px 0 20px;
  animation: ec-fadein 1s 0.8s both;
}
.ec-warning {
  font-family: 'Cinzel', serif;
  font-size: 13px; letter-spacing: 8px;
  color: #cc3300;
  text-shadow: 0 0 14px #ff220066;
  margin-bottom: 10px;
  animation: ec-fadein 0.8s 0.9s both;
}
.ec-line {
  font-family: 'IM Fell English', serif;
  font-style: italic; font-size: 15px;
  color: #5a4010; letter-spacing: 1px;
  animation: ec-fadein 1s 1.1s both;
}
.ec-line2 { animation-delay: 1.6s; }
.ec-floor {
  font-family: 'Cinzel', serif;
  font-size: 11px; letter-spacing: 6px;
  color: #3a2808; margin-top: 28px;
  animation: ec-fadein 1s 2.0s both;
}
@keyframes ec-fadein {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0);   }
}

/* ── Stair overlay + floor announce ─────────────── */
#stairOverlay {
  position: fixed; inset: 0; background: #000;
  opacity: 0; pointer-events: none; z-index: 50;
  transition: opacity 1.2s;
}
#floorAnnounce {
  position: fixed; inset: 0; z-index: 51;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; pointer-events: none;
  opacity: 0; transition: opacity 0.5s;
}
#floorAnnounce.visible { opacity: 1; }
#floorAnnounceNum {
  font-family: 'Cinzel', serif;
  font-size: 42px; font-weight: 700;
  color: #c8922a;
  letter-spacing: 8px;
  text-shadow: 0 0 30px #ff660088, 0 0 60px #ff440044;
}
#floorAnnounceTag {
  font-family: 'IM Fell English', serif;
  font-style: italic; font-size: 15px;
  color: #7a5a20; letter-spacing: 3px;
}

     #chestPrompt, #torchPrompt, #doorPrompt, #stairPrompt {
       position:fixed; bottom:22%; left:50%;
       transform:translateX(-50%);
       background:rgba(0,0,0,0.72); color:#e8d090;
       font-family:serif; font-size:1.1rem;
       padding:8px 20px; border-radius:4px;
       border:1px solid #7a5a20;
       opacity:0; pointer-events:none; z-index:40;
       transition: opacity 0.25s;
     }
     #torchPrompt { color:#ffaa44; border-color:#aa5a12; }
     #doorPrompt  { color:#ff6644; border-color:#991100; }
     #stairPrompt { color:#b888ff; border-color:#7744cc; }