/* ==========================
   Whispren CYOA • Stylesheet (v3 with ambient)
   ========================== */

:root{
  --bg-page: #0f1722;
  --container-bg: #2c3e50;      /* main container background */
  --text: #ecf0f1;              /* primary text */
  --accent: #16a085;            /* header/primary glow */
  --button: #8d6e63;            /* earthy brown button */
  --hover: #9b59b6;             /* magical purple hover */
  --water: #3498db;             /* shimmering blue */
  --intimate: #e74c3c;          /* soft red for intimate highlight */
  --radius-xl: 22px;
  --radius-md: 14px;
  --glow: var(--accent);
  --glow-soft: color-mix(in lab, var(--glow) 40%, transparent);
  --font-ui: 'Montserrat', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --font-story: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
}

/* Page baseline so it embeds cleanly in blogs */
html, body{
  height: 100%;
  background: var(--bg-page);
  color: var(--text);
  margin: 0;
}

#page-root{
  position: relative;
  display: grid;
  place-items: center;
  padding: clamp(16px, 3vw, 40px);
  z-index: 1; /* above ambient layers */
}

/* ===== Ambient Layers ===== */
#forest-dust{
  position: fixed; inset: 0;
  z-index: 0;
  pointer-events: none;
  mix-blend-mode: lighten;
  opacity: .35;
}

.light-spill{
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(22,160,133,.16), transparent 60%),
    radial-gradient(900px 600px at 110% 110%, rgba(155,89,182,.14), transparent 60%);
  animation: spillFloat 20s ease-in-out infinite alternate;
  filter: saturate(.9);
}
@keyframes spillFloat{
  0% { transform: translate3d(0,0,0) scale(1); }
  100%{ transform: translate3d(-2%, -1%, 0) scale(1.03); }
}
.motion-paused .light-spill{ animation-play-state: paused; }

/* ===== RPG Chat Window Container ===== */
.cyoa-container{
  width: min(920px, 100%);
  background: var(--container-bg);
  color: var(--text);
  border-radius: var(--radius-xl);
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.06),
    0 30px 80px rgba(0,0,0,.55),
    0 0 0 2px rgba(255,255,255,0.03);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.cyoa-container::before{
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(1200px 400px at 50% -300px, color-mix(in srgb, var(--glow) 14%, transparent), transparent 80%),
    linear-gradient(to bottom, rgba(255,255,255,0.04), rgba(0,0,0,0.06)),
    repeating-linear-gradient( 45deg, rgba(255,255,255,0.02) 0 2px, rgba(0,0,0,0.02) 2px 4px );
  filter: saturate(0.9);
  z-index: 0;
  pointer-events: none;
}
.cyoa-container::after{
  content: "";
  position: absolute; inset: -12px;
  border-radius: inherit;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--glow) 35%, transparent),
              0 0 40px color-mix(in srgb, var(--glow) 50%, transparent),
              0 0 120px color-mix(in srgb, var(--glow) 20%, transparent);
  z-index: -1;
  transition: box-shadow .6s ease;
}

/* Header */
.cyoa-header{
  font-family: var(--font-ui);
  padding: 18px 22px 8px;
  background: linear-gradient(to bottom, color-mix(in srgb, var(--container-bg) 85%, black),
                                         color-mix(in srgb, var(--container-bg) 75%, black));
  border-top-left-radius: inherit;
  border-top-right-radius: inherit;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: relative;
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
}
.cyoa-header h1{
  margin: 0;
  font-weight: 700;
  font-size: clamp(18px, 2.3vw, 24px);
  letter-spacing: .02em;
  display: flex; align-items: center; justify-content: center;
  gap: 10px;
  text-shadow: 0 1px 0 rgba(0,0,0,.5);
}
.cyoa-header .title-knot{ opacity:.8 }
.cyoa-header .subtitle{
  margin: 6px 0 0 0;
  text-align: center;
  font-size: .95rem;
  opacity: .75;
  letter-spacing: .02em;
}

/* Story area */
.story-text{
  position: relative;
  z-index: 1;
  font-family: var(--font-story);
  font-size: clamp(18px, 2.4vw, 22px);
  line-height: 1.55;
  padding: 22px clamp(18px, 5vw, 32px);
  min-height: 160px;
  text-wrap: pretty;
}
.story-text.typing::after{
  content:"";
  display:inline-block;
  width: .6ch; height: 1.1em;
  margin-left:.1ch;
  vertical-align: -0.1em;
  background: currentColor;
  opacity:.35;
  animation: caret 1s steps(2,end) infinite;
}
@keyframes caret{ 50%{ opacity:.05 } }

/* Choices */
.choices{
  display: grid;
  gap: 12px;
  padding: 0 clamp(18px, 5vw, 32px) 24px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px){
  .choices{ grid-template-columns: 1fr 1fr; }
}
.choice-btn{
  --btn-bg: var(--button);
  appearance: none;
  border: 0;
  color: var(--text);
  font-family: var(--font-ui);
  font-weight: 600;
  letter-spacing: .02em;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  cursor: pointer;
  position: relative;
  background:
    linear-gradient(to bottom, color-mix(in srgb, var(--btn-bg) 92%, black), color-mix(in srgb, var(--btn-bg) 70%, black)),
    repeating-linear-gradient( 120deg, rgba(255,255,255,.02) 0 3px, rgba(0,0,0,.02) 3px 6px);
  box-shadow:
    0 6px 14px rgba(0,0,0,.45),
    inset 0 0 0 1px rgba(255,255,255,.05);
  transition: transform .08s ease, box-shadow .25s ease, background .35s ease;
}
.choice-btn::before{
  content:"";
  position:absolute; inset:-2px;
  border-radius:inherit;
  box-shadow: 0 0 0 0 rgba(155,89,182,0);
  transition: box-shadow .35s ease;
}
.choice-btn:hover,
.choice-btn:focus-visible{
  background:
    linear-gradient(to bottom, color-mix(in srgb, var(--hover) 85%, black), color-mix(in srgb, var(--hover) 60%, black)),
    repeating-linear-gradient( 120deg, rgba(255,255,255,.03) 0 3px, rgba(0,0,0,.02) 3px 6px);
  box-shadow:
    0 8px 20px rgba(0,0,0,.5),
    inset 0 0 0 1px rgba(255,255,255,.08);
}
.choice-btn:hover::before,
.choice-btn:focus-visible::before{
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--hover) 40%, transparent),
              0 0 24px color-mix(in srgb, var(--hover) 40%, transparent);
}
.choice-btn:active{ transform: translateY(1px); }

/* ====== Highlights ====== */
.highlight-default{ --glow: var(--accent); }
.highlight-water   { --glow: var(--water); }
.highlight-magic   { --glow: var(--hover); }
.highlight-intimate{ --glow: var(--intimate); }

.highlight-water .cyoa-header::after{
  content:""; position:absolute; left:0; right:0; bottom:-1px; height:2px;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--water) 65%, transparent), transparent);
  filter: blur(.6px);
  animation: shimmer 2.6s linear infinite;
}
@keyframes shimmer{
  0%{ background-position: -200% 0; }
  100%{ background-position: 200% 0; }
}
.highlight-magic .story-text{
  background-image:
    radial-gradient(2px 2px at 10% 30%, rgba(155,89,182,.35), transparent),
    radial-gradient(1.5px 1.5px at 80% 60%, rgba(155,89,182,.28), transparent),
    radial-gradient(1.5px 1.5px at 40% 80%, rgba(155,89,182,.2), transparent);
  background-repeat: no-repeat;
  animation: drift 9s ease-in-out infinite alternate;
}
@keyframes drift{
  0%{ background-position: 10% 35%, 78% 62%, 42% 82%; }
  100%{ background-position: 14% 28%, 82% 58%, 38% 86%; }
}
.highlight-intimate::after{
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{ box-shadow: 0 0 0 2px color-mix(in srgb, var(--glow) 30%, transparent),
                      0 0 34px color-mix(in srgb, var(--glow) 45%, transparent),
                      0 0 110px color-mix(in srgb, var(--glow) 20%, transparent); }
  50%    { box-shadow: 0 0 0 2px color-mix(in srgb, var(--glow) 45%, transparent),
                      0 0 54px color-mix(in srgb, var(--glow) 70%, transparent),
                      0 0 140px color-mix(in srgb, var(--glow) 30%, transparent); }
}
body.intimate-scene-active{ filter: brightness(0.8); transition: filter .6s ease; }

/* ===== HUD Controls ===== */
.hud-controls{
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 3;
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  background: color-mix(in srgb, var(--container-bg) 86%, black);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,.45);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  font-family: var(--font-ui);
}
.hud-btn{
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: linear-gradient(to bottom, color-mix(in srgb, var(--button) 92%, black), color-mix(in srgb, var(--button) 70%, black));
  color: var(--text);
  border: 0;
  cursor: pointer;
  box-shadow: 0 6px 14px rgba(0,0,0,.45), inset 0 0 0 1px rgba(255,255,255,.06);
  transition: transform .08s ease, box-shadow .2s ease, background .3s ease;
}
.hud-btn:hover{ 
  background: linear-gradient(to bottom, color-mix(in srgb, var(--hover) 85%, black), color-mix(in srgb, var(--hover) 60%, black));
  box-shadow: 0 8px 20px rgba(0,0,0,.5), inset 0 0 0 1px rgba(255,255,255,.08);
}
.hud-btn:active{ transform: translateY(1px); }
.hud-btn svg{ width: 18px; height: 18px; }

.hud-slider{
  width: 140px;
  accent-color: var(--hover);
  background: none;
}
@media (max-width: 480px){
  .hud-slider{ width: 90px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  .light-spill{ animation: none; }
}