/* ============================================================
   gallery.css — spherical appearances gallery (phantom.land style)
   ============================================================ */

:root {
  --bg: #07070b;
  --text: #eceaf4;
  --muted: #8d8a9e;
  --violet: #8b5cf6;
  --cyan: #22d3ee;
  --grad: linear-gradient(100deg, var(--violet) 0%, var(--cyan) 100%);
  --font-display: "Clash Display", sans-serif;
  --font-body: "Satoshi", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

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

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

.mono { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; }
a { color: inherit; text-decoration: none; }

/* ---------- canvas ---------- */
#galleryCanvas {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  display: block;
  cursor: grab;
}
#galleryCanvas.is-dragging { cursor: grabbing; }
#galleryCanvas.is-hover { cursor: pointer; }

/* ---------- grain + vignette ---------- */
.grain {
  position: fixed; inset: -50%;
  width: 200%; height: 200%;
  pointer-events: none; z-index: 50;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  animation: grain-shift 0.9s steps(4) infinite;
}
@keyframes grain-shift {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-2%, 3%); }
  50% { transform: translate(3%, -2%); }
  75% { transform: translate(-3%, -3%); }
  100% { transform: translate(2%, 2%); }
}
.vignette {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 40;
  background: radial-gradient(ellipse 92% 88% at 50% 50%, transparent 55%, rgba(7, 7, 11, 0.85) 100%);
}

/* ---------- loader ---------- */
.loader {
  position: fixed; inset: 0; z-index: 200;
  background: var(--bg);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 18px;
}
.loader__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  letter-spacing: 0.14em;
  margin: 0;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.loader__pct { color: var(--muted); margin: 0; }
.loader__bar {
  width: min(280px, 60vw); height: 1px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}
.loader__bar span {
  display: block; width: 0%; height: 100%;
  background: var(--grad);
  transition: width 0.3s ease;
}

/* ---------- UI chrome ---------- */
.gui { position: fixed; z-index: 60; pointer-events: none; }
.gui a, .gui button { pointer-events: auto; }

.gui--top {
  top: 0; left: 0; right: 0;
  display: flex; justify-content: space-between; align-items: center;
  padding: 26px clamp(20px, 4vw, 48px);
}
.gui__logo {
  font-family: var(--font-display);
  font-weight: 700; font-size: 1.3rem;
}
.gui__logo span {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.gui__back {
  color: var(--muted);
  transition: color 0.3s;
}
.gui__back:hover { color: var(--cyan); }

.gui--center {
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  mix-blend-mode: difference;
}
.gui--center h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 7vw, 5.2rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.04;
  margin: 0;
  color: #fff;
}
.gui--center h1 span {
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.9);
}

.gui--bottom {
  bottom: 0; left: 0; right: 0;
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px clamp(20px, 4vw, 48px);
  color: var(--muted);
}
.gui--bottom p { margin: 0; }
#dragHint { animation: hint-pulse 2.6s ease-in-out infinite; }
@keyframes hint-pulse { 50% { opacity: 0.35; } }

/* ---------- detail page ---------- */
.detail {
  position: fixed; inset: 0; z-index: 100;
  visibility: hidden;
  pointer-events: none;
}
.detail.is-open { visibility: visible; pointer-events: auto; }
.detail__bg {
  position: absolute; inset: 0;
  background: rgba(7, 7, 11, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
}
.detail__inner {
  position: relative;
  height: 100%;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(28px, 5vw, 80px);
  align-items: center;
  padding: clamp(70px, 10vh, 110px) clamp(24px, 6vw, 100px);
  max-width: 1400px;
  margin: 0 auto;
}
.detail__close {
  position: absolute;
  top: 28px; right: clamp(24px, 6vw, 100px);
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: var(--text);
  padding: 11px 22px;
  cursor: pointer;
  transition: border-color 0.3s, color 0.3s;
}
.detail__close:hover { border-color: var(--cyan); color: var(--cyan); }

.detail__media {
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid rgba(139, 92, 246, 0.35);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.65), 0 0 60px rgba(139, 92, 246, 0.18);
}
.detail__media img {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.detail__tag {
  display: inline-block;
  color: var(--cyan);
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 999px;
  padding: 6px 16px;
  margin: 0 0 22px;
}
.detail__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.6vw, 2.8rem);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 14px;
}
.detail__meta { color: var(--muted); margin: 0 0 20px; }
.detail__desc { color: var(--muted); line-height: 1.7; margin: 0 0 34px; max-width: 46ch; }
.detail__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  padding: 16px 30px;
  border-radius: 999px;
  background: var(--grad);
  color: #0a0a12;
  font-weight: 700;
  transition: box-shadow 0.3s, transform 0.3s;
  box-shadow: 0 0 30px rgba(139, 92, 246, 0.3);
}
.detail__link:hover { box-shadow: 0 0 50px rgba(34, 211, 238, 0.5); transform: translateY(-2px); }

@media (max-width: 880px) {
  .detail__inner {
    grid-template-columns: 1fr;
    align-content: center;
    gap: 26px;
    padding: 80px 24px 40px;
    overflow-y: auto;
  }
  .detail__desc { display: none; }
  .gui--center h1 { font-size: clamp(1.8rem, 9vw, 3rem); }
}

@media (prefers-reduced-motion: reduce) {
  .grain { animation: none; }
  #dragHint { animation: none; }
}