/* ═══ 3D ARCADE CASTLE — page styles (Phase 1, 2026-07-04) ══════════════════
   Full-viewport first-person 3D experience. The normal site header/bottom-nav
   are intentionally omitted on this route for full immersion; an "Exit" button
   in the top bar returns to the classic 2D castle. All HUD is glassmorphism
   with neon accents matching the site design tokens. */

html, body { height: 100%; margin: 0; overflow: hidden; background: #080812; }
body { font-family: 'DM Sans', system-ui, sans-serif; color: var(--text); }
/* The 2D-site grain overlay would sit on top of the canvas — neutralise it. */
.noise, .blob { display: none !important; }

/* ─── STAGE / CANVAS ─────────────────────────────────────────────────────── */
.c3d-stage {
  position: fixed; inset: 0; z-index: 1;
  background: radial-gradient(120% 90% at 50% 0%, #1a1340 0%, #0a0820 45%, #050410 100%);
}
#c3d-canvas { display: block; width: 100%; height: 100%; touch-action: none; outline: none; }
.c3d-stage:focus-visible { outline: 2px solid var(--neon-cyan); outline-offset: -2px; }

/* ─── LOADING SCREEN ─────────────────────────────────────────────────────── */
.c3d-load {
  position: fixed; inset: 0; z-index: 50;
  display: grid; place-items: center; text-align: center;
  background: radial-gradient(80% 70% at 50% 30%, #1c1346 0%, #0a0820 60%, #04030c 100%);
  transition: opacity .6s ease, visibility .6s;
}
.c3d-load.is-done { opacity: 0; visibility: hidden; pointer-events: none; }
.c3d-load-inner { max-width: 440px; padding: 2rem 1.25rem; }
.c3d-load-logo { position: relative; width: 96px; height: 96px; margin: 0 auto 1.1rem; display: grid; place-items: center; }
.c3d-load-castle {
  font-size: 3.4rem; line-height: 1; filter: drop-shadow(0 0 18px rgba(41,231,255,.55));
  animation: c3dBob 2.4s ease-in-out infinite;
}
.c3d-load-spark {
  position: absolute; width: 6px; height: 6px; border-radius: 50%; background: var(--neon-gold);
  box-shadow: 0 0 10px var(--neon-gold); opacity: 0;
  animation: c3dSpark 2.4s ease-in-out infinite;
}
.c3d-load-spark.s2 { background: var(--neon-cyan); box-shadow: 0 0 10px var(--neon-cyan); animation-delay: .8s; }
.c3d-load-spark.s3 { background: var(--neon-magenta); box-shadow: 0 0 10px var(--neon-magenta); animation-delay: 1.6s; }
.c3d-load-spark { left: 50%; top: 50%; }
.c3d-load-spark.s2 { left: 20%; top: 30%; }
.c3d-load-spark.s3 { left: 78%; top: 40%; }
@keyframes c3dBob { 0%,100%{transform:translateY(0) rotate(-2deg)} 50%{transform:translateY(-6px) rotate(2deg)} }
@keyframes c3dSpark { 0%,100%{opacity:0; transform:scale(.4)} 40%{opacity:1; transform:scale(1.3)} 70%{opacity:0; transform:scale(.6)} }
.c3d-load-title { font-family: 'Syne', sans-serif; font-weight: 800; font-size: clamp(1.3rem, 4vw, 1.9rem); margin: 0 0 .35rem; letter-spacing: -.01em;
  background: linear-gradient(135deg, #fff, var(--neon-cyan) 60%, var(--neon-magenta)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.c3d-load-sub { color: var(--text2); font-size: .92rem; margin: 0 0 1.3rem; min-height: 1.2em; }
.c3d-load-bar { width: 100%; max-width: 320px; height: 6px; margin: 0 auto 1rem; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden; box-shadow: inset 0 0 0 1px var(--border); }
.c3d-load-bar-fill { height: 100%; width: 0%; border-radius: 999px; background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta)); box-shadow: 0 0 12px rgba(41,231,255,.6); transition: width .25s ease; }
.c3d-load-hint { color: var(--text3); font-size: .76rem; margin: 0 0 1rem; }
.c3d-load-hint kbd { background: var(--surface2); border: 1px solid var(--border); border-radius: 5px; padding: 1px 6px; font-size: .72rem; color: var(--text); margin: 0 1px; }
.c3d-load-skip { display: inline-block; color: var(--text3); font-size: .78rem; text-decoration: none; border-bottom: 1px dotted var(--border); padding-bottom: 1px; }
.c3d-load-skip:hover { color: var(--neon-cyan); }

/* ─── TOP BAR ────────────────────────────────────────────────────────────── */
.c3d-topbar {
  position: absolute; top: 0; left: 0; right: 0; z-index: 10;
  display: flex; align-items: center; gap: .75rem; padding: .7rem 1rem;
  padding-top: max(.7rem, env(safe-area-inset-top));
  pointer-events: none;
}
.c3d-topbar > * { pointer-events: auto; }
.c3d-back, .c3d-iconbtn {
  display: inline-flex; align-items: center; gap: .4rem; font-size: .82rem; font-weight: 600;
  color: var(--text); background: rgba(10,8,24,.55); backdrop-filter: blur(10px);
  border: 1px solid var(--border); border-radius: 999px; padding: .5rem .8rem; cursor: pointer;
  text-decoration: none; transition: border-color .2s, transform .15s;
}
.c3d-back:hover, .c3d-iconbtn:hover { border-color: rgba(41,231,255,.5); }
.c3d-back:active, .c3d-iconbtn:active { transform: scale(.95); }
.c3d-iconbtn { padding: .55rem; }
.c3d-iconbtn[aria-pressed="false"] { opacity: .45; }
.c3d-topbar-title { flex: 1; text-align: center; pointer-events: none; }
.c3d-eyebrow { display: inline-flex; align-items: center; gap: .35rem; font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; color: var(--neon-cyan); background: rgba(41,231,255,.06); border: 1px solid var(--border); border-radius: 999px; padding: .3rem .8rem; }
.c3d-topbar-actions { display: flex; gap: .4rem; }

/* ─── CROSSHAIR + PROMPT (desktop) ───────────────────────────────────────── */
.c3d-crosshair {
  position: absolute; top: 50%; left: 50%; width: 14px; height: 14px; transform: translate(-50%,-50%);
  z-index: 5; pointer-events: none; opacity: .55; transition: opacity .2s, transform .2s;
}
.c3d-crosshair::before, .c3d-crosshair::after { content: ""; position: absolute; background: rgba(255,255,255,.85); box-shadow: 0 0 4px rgba(41,231,255,.8); }
.c3d-crosshair::before { left: 50%; top: 0; width: 2px; height: 100%; transform: translateX(-50%); }
.c3d-crosshair::after { top: 50%; left: 0; height: 2px; width: 100%; transform: translateY(-50%); }
.c3d-crosshair.is-focus { opacity: 1; transform: translate(-50%,-50%) scale(1.5); }
.c3d-crosshair.is-focus::before, .c3d-crosshair.is-focus::after { background: var(--neon-cyan); box-shadow: 0 0 8px var(--neon-cyan); }

.c3d-prompt {
  position: absolute; top: calc(50% + 32px); left: 50%; transform: translateX(-50%); z-index: 6;
  display: inline-flex; align-items: center; gap: .5rem; font-size: .82rem; color: var(--text);
  background: rgba(10,8,24,.6); backdrop-filter: blur(8px); border: 1px solid var(--border); border-radius: 999px;
  padding: .42rem .85rem; pointer-events: none; animation: c3dPop .25s ease;
}
.c3d-prompt kbd { background: var(--surface2); border: 1px solid var(--border); border-radius: 5px; padding: 1px 7px; font-size: .74rem; color: var(--text); }
@keyframes c3dPop { from{opacity:0; transform:translateX(-50%) translateY(-6px)} to{opacity:1; transform:translateX(-50%) translateY(0)} }

/* ─── LOOK-TO-START OVERLAY ──────────────────────────────────────────────── */
.c3d-start {
  position: absolute; inset: 0; z-index: 8; display: grid; place-items: center; cursor: pointer;
  background: rgba(5,4,12,.35); backdrop-filter: blur(2px); border: none; color: inherit; font-family: inherit;
  transition: opacity .3s;
}
.c3d-start.is-hidden { opacity: 0; pointer-events: none; }
.c3d-start-glyph { font-size: 2.6rem; display: block; margin-bottom: .5rem; animation: c3dBob 2.2s ease-in-out infinite; }
.c3d-start-txt { display: block; font-family: 'Syne', sans-serif; font-weight: 800; font-size: 1.2rem; color: #fff; }
.c3d-start small { display: block; color: var(--text2); font-size: .76rem; margin-top: .4rem; }

/* ─── TOUCH STICKS (mobile) ──────────────────────────────────────────────── */
.c3d-touch { position: absolute; inset: 0; z-index: 7; pointer-events: none; display: none; }
.c3d-touch.is-on { display: block; }
.c3d-stick { position: absolute; bottom: max(1.6rem, env(safe-area-inset-bottom)); width: 124px; height: 124px; pointer-events: auto; touch-action: none; }
.c3d-stick-l { left: max(1.2rem, env(safe-area-inset-left)); }
.c3d-stick-r { right: max(1.2rem, env(safe-area-inset-right)); }
.c3d-stick-base { position: absolute; inset: 0; border-radius: 50%; background: rgba(10,8,24,.4); border: 1px solid var(--border); backdrop-filter: blur(6px); }
.c3d-stick-knob {
  position: absolute; left: 50%; top: 50%; width: 48px; height: 48px; transform: translate(-50%,-50%);
  border-radius: 50%; background: radial-gradient(circle at 38% 32%, #fff, var(--neon-cyan) 70%);
  box-shadow: 0 0 16px rgba(41,231,255,.55), 0 4px 10px rgba(0,0,0,.5); transition: transform .08s;
}
.c3d-stick-r .c3d-stick-knob { background: radial-gradient(circle at 38% 32%, #fff, var(--neon-magenta) 70%); box-shadow: 0 0 16px rgba(255,45,120,.5), 0 4px 10px rgba(0,0,0,.5); }

/* ─── INFO PANEL ─────────────────────────────────────────────────────────── */
.c3d-panel {
  position: absolute; left: 50%; bottom: max(1.2rem, env(safe-area-inset-bottom)); transform: translateX(-50%) translateY(20px);
  z-index: 12; width: min(560px, calc(100vw - 1.6rem));
  display: grid; grid-template-columns: 150px 1fr; gap: 0; overflow: hidden;
  background: linear-gradient(180deg, var(--surface2), var(--surface)); border: 1px solid var(--border);
  border-radius: 18px; box-shadow: 0 22px 50px rgba(0,0,0,.55), 0 0 0 1px rgba(41,231,255,.08);
  opacity: 0; transition: opacity .28s ease, transform .28s var(--ease, ease);
}
.c3d-panel[hidden] { display: none; }
.c3d-panel.is-in { opacity: 1; transform: translateX(-50%) translateY(0); }
.c3d-panel-media { position: relative; aspect-ratio: 3/4; background: #05060f; overflow: hidden; }
.c3d-panel-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.c3d-panel-media .c3d-panel-emoji { position: absolute; inset: 0; display: none; align-items: center; justify-content: center; font-size: 3rem; }
.c3d-panel-media.is-missing img { display: none; }
.c3d-panel-media.is-missing .c3d-panel-emoji { display: flex; }
.c3d-panel-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 60%, rgba(15,15,30,.85)); }
.c3d-panel-body { padding: .9rem 1.05rem 1rem; min-width: 0; }
.c3d-panel-head { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.c3d-panel-cat { font-size: .62rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--neon-cyan); background: rgba(41,231,255,.08); border: 1px solid rgba(41,231,255,.3); border-radius: 999px; padding: 2px 8px; }
.c3d-panel-rate { font-size: .76rem; font-weight: 700; color: var(--neon-gold); }
.c3d-panel-title { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 1.25rem; line-height: 1.1; margin: .3rem 0 .2rem; }
.c3d-panel-pitch { color: var(--text2); font-size: .82rem; line-height: 1.45; margin: 0 0 .55rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.c3d-panel-tags { display: flex; flex-wrap: wrap; gap: .3rem; margin-bottom: .7rem; }
.c3d-panel-tags span { font-size: .64rem; color: var(--text2); background: var(--surface2); border: 1px solid var(--border); border-radius: 999px; padding: .15rem .5rem; }
.c3d-panel-actions { display: flex; gap: .5rem; }
.c3d-play { flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: .4rem; font-weight: 800; font-size: .92rem; color: #fff; background: linear-gradient(135deg, var(--neon-magenta), #a020f0); border-radius: 10px; padding: .65rem .8rem; text-decoration: none; box-shadow: 0 10px 24px rgba(255,45,120,.32); }
.c3d-play:hover { filter: brightness(1.08); }
.c3d-details { display: inline-flex; align-items: center; justify-content: center; gap: .35rem; font-weight: 600; font-size: .82rem; color: var(--text); background: var(--surface2); border: 1px solid var(--border); border-radius: 10px; padding: .65rem .9rem; text-decoration: none; }
.c3d-details:hover { border-color: var(--neon-cyan); }
.c3d-panel-close { position: absolute; top: 6px; right: 8px; z-index: 2; width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--border); background: rgba(10,8,24,.6); color: var(--text2); font-size: 1.2rem; line-height: 1; cursor: pointer; }
.c3d-panel-close:hover { color: #fff; border-color: var(--neon-magenta); }

/* ─── FALLBACK ───────────────────────────────────────────────────────────── */
.c3d-fallback { position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; text-align: center; background: #080812; padding: 2rem; }
.c3d-fb-card { max-width: 420px; }
.c3d-fb-emoji { font-size: 3rem; display: block; margin-bottom: .5rem; }
.c3d-fallback h2 { font-family: 'Syne', sans-serif; font-size: 1.4rem; margin: 0 0 .4rem; }
.c3d-fallback p { color: var(--text2); font-size: .9rem; margin: 0 0 1.2rem; }
.c3d-fb-cta { display: inline-block; font-weight: 700; font-size: .9rem; color: #fff; background: linear-gradient(135deg, var(--neon-magenta), #a020f0); border-radius: 10px; padding: .7rem 1.2rem; text-decoration: none; box-shadow: 0 10px 24px rgba(255,45,120,.3); }
.c3d-fb-cta.ghost { background: var(--surface2); border: 1px solid var(--border); box-shadow: none; margin-left: .5rem; }

/* ─── RESPONSIVE ─────────────────────────────────────────────────────────── */
@media (max-width: 760px) {
  .c3d-panel { grid-template-columns: 110px 1fr; width: calc(100vw - 1.2rem); bottom: max(8.5rem, env(safe-area-inset-bottom)); }
  .c3d-panel-title { font-size: 1.05rem; }
  .c3d-panel-pitch { -webkit-line-clamp: 2; }
  .c3d-prompt { display: none; } /* mobile uses tap-to-inspect */
}
@media (max-width: 480px) {
  .c3d-topbar-title { display: none; }
  .c3d-panel { grid-template-columns: 1fr; }
  .c3d-panel-media { aspect-ratio: 16/7; }
  .c3d-stick { width: 108px; height: 108px; }
  .c3d-stick-knob { width: 42px; height: 42px; }
}

/* ─── COIN / GEM COLLECTIBLE HUD ─────────────────────────────────────────── */
.c3d-coinhud {
  position: fixed; z-index: 6; top: calc(env(safe-area-inset-top, 0px) + 4.2rem); left: 50%;
  transform: translateX(-50%);
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .32rem .7rem; border-radius: var(--r-pill, 999px);
  background: rgba(12, 10, 28, .62); backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 211, 77, .35);
  box-shadow: 0 4px 18px rgba(0, 0, 0, .4), 0 0 14px rgba(255, 211, 77, .18);
  color: #ffe6a0; font-weight: 800; font-size: .95rem; letter-spacing: .02em;
  font-family: 'Syne', system-ui, sans-serif;
  transition: transform .18s cubic-bezier(.34, 1.56, .64, 1);
  pointer-events: none;
}
.c3d-coin-ico { color: var(--neon-gold, #ffd34d); filter: drop-shadow(0 0 6px rgba(255, 211, 77, .7)); }
.c3d-coinhud.is-pop { animation: c3dCoinPop .42s cubic-bezier(.34, 1.56, .64, 1); }
@keyframes c3dCoinPop { 0% { transform: translateX(-50%) scale(1); } 40% { transform: translateX(-50%) scale(1.28); } 100% { transform: translateX(-50%) scale(1); } }

/* ─── MINI-MAP ───────────────────────────────────────────────────────────── */
.c3d-minimap {
  position: fixed; z-index: 6; left: calc(env(safe-area-inset-left, 0px) + .7rem);
  top: 50%; transform: translateY(-50%);
  width: 110px; height: 208px; border-radius: 12px;
  background: rgba(8, 6, 20, .34); backdrop-filter: blur(8px);
  border: 1px solid rgba(41, 231, 255, .22);
  box-shadow: 0 6px 20px rgba(0, 0, 0, .4); pointer-events: none;
}
@media (max-width: 640px) { .c3d-minimap { width: 78px; height: 150px; left: .5rem; } }

/* ─── TOAST ──────────────────────────────────────────────────────────────── */
.c3d-toast {
  position: fixed; z-index: 8; left: 50%; bottom: 12%;
  transform: translate(-50%, 20px); opacity: 0;
  display: flex; flex-direction: column; align-items: center; gap: .1rem;
  padding: .6rem 1.1rem; border-radius: var(--r-pill, 999px);
  background: rgba(14, 10, 30, .82); backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 211, 77, .45);
  box-shadow: 0 8px 26px rgba(0, 0, 0, .5), 0 0 22px rgba(255, 211, 77, .22);
  text-align: center; pointer-events: none;
  transition: opacity .3s ease, transform .3s cubic-bezier(.34, 1.56, .64, 1);
}
.c3d-toast.is-in { opacity: 1; transform: translate(-50%, 0); }
.c3d-toast strong { font-family: 'Syne', system-ui, sans-serif; font-weight: 800; color: #ffe6a0; font-size: 1rem; }
.c3d-toast span { color: var(--text-dim, #9090b4); font-size: .8rem; }

/* reduced motion: kill ambient animations, keep transitions short */
@media (prefers-reduced-motion: reduce) {
  .c3d-load-castle, .c3d-load-spark, .c3d-start-glyph { animation: none !important; }
  .c3d-load, .c3d-panel, .c3d-start, .c3d-toast { transition-duration: .01ms !important; }
  .c3d-coinhud.is-pop { animation: none !important; }
}