/* =========================================================
   Through Their Eyes — Visual Impairment Puzzle
   Design tokens
   ========================================================= */
.vip-app {
  --vip-bg: #12131a;
  --vip-panel: #1c1e2b;
  --vip-panel-2: #242637;
  --vip-border: #34384a;
  --vip-text: #edeef4;
  --vip-muted: #9092a8;
  --vip-gold: #e8b84b;
  --vip-gold-dim: #9c7f3d;
  --vip-cyan: #5fd4d0;
  --vip-rose: #e0708a;
  --vip-radius: 14px;
  --vip-font-display: 'Fraunces', Georgia, serif;
  --vip-font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --vip-font-mono: 'IBM Plex Mono', ui-monospace, Menlo, Consolas, monospace;

  box-sizing: border-box;
  background: var(--vip-bg);
  color: var(--vip-text);
  font-family: var(--vip-font-body);
  border-radius: 20px;
  padding: 32px;
  max-width: 1080px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.vip-app *, .vip-app *::before, .vip-app *::after { box-sizing: border-box; }

.vip-app::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 12% 8%, rgba(232,184,75,0.10), transparent 40%),
    radial-gradient(circle at 90% 85%, rgba(95,212,208,0.08), transparent 45%);
  pointer-events: none;
  z-index: 0;
}

.vip-app > * { position: relative; z-index: 1; }

/* ---------- Header ---------- */
.vip-header { margin-bottom: 28px; }
.vip-eyebrow {
  font-family: var(--vip-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--vip-gold);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.vip-eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--vip-gold-dim);
  display: inline-block;
}
.vip-title {
  font-family: var(--vip-font-display);
  font-weight: 600;
  font-size: clamp(28px, 4vw, 40px);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.vip-title em {
  font-style: italic;
  color: var(--vip-gold);
}
.vip-sub {
  color: var(--vip-muted);
  font-size: 14.5px;
  line-height: 1.6;
  max-width: 62ch;
  margin: 0;
}

/* ---------- Layout ---------- */
.vip-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 28px;
  align-items: start;
}
@media (max-width: 760px) {
  .vip-layout { grid-template-columns: 1fr; }
}

/* ---------- Panels ---------- */
.vip-panel {
  background: var(--vip-panel);
  border: 1px solid var(--vip-border);
  border-radius: var(--vip-radius);
  padding: 18px;
}
.vip-panel + .vip-panel { margin-top: 18px; }
.vip-panel-title {
  font-family: var(--vip-font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--vip-muted);
  margin: 0 0 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ---------- Control groups ---------- */
.vip-pillrow { display: flex; gap: 8px; flex-wrap: wrap; }
.vip-pill {
  font-family: var(--vip-font-mono);
  font-size: 12.5px;
  padding: 8px 12px;
  background: var(--vip-panel-2);
  border: 1px solid var(--vip-border);
  color: var(--vip-text);
  border-radius: 999px;
  cursor: pointer;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
  line-height: 1.2;
}
.vip-pill:hover { border-color: var(--vip-gold-dim); }
.vip-pill.is-active {
  background: rgba(232,184,75,0.14);
  border-color: var(--vip-gold);
  color: var(--vip-gold);
}
.vip-pill:focus-visible, .vip-eye-toggle:focus-visible, button:focus-visible, .vip-thumb:focus-visible {
  outline: 2px solid var(--vip-cyan);
  outline-offset: 2px;
}

.vip-thumbrow { display: flex; gap: 10px; flex-wrap: wrap; }
.vip-thumb {
  width: 62px; height: 62px;
  border-radius: 10px;
  border: 2px solid var(--vip-border);
  background-size: cover;
  background-position: center;
  cursor: pointer;
  padding: 0;
  position: relative;
  transition: border-color .15s ease, transform .15s ease;
}
.vip-thumb:hover { transform: translateY(-2px); }
.vip-thumb.is-active { border-color: var(--vip-gold); box-shadow: 0 0 0 3px rgba(232,184,75,0.18); }
.vip-thumb-upload {
  display: flex; align-items: center; justify-content: center;
  color: var(--vip-muted);
  font-size: 20px;
  border-style: dashed;
}
.vip-thumb-upload:hover { color: var(--vip-cyan); border-color: var(--vip-cyan); }

/* ---------- Eye condition toggles (signature element) ---------- */
.vip-eyerow { display: flex; gap: 10px; flex-wrap: wrap; }
.vip-eye-toggle {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  background: transparent; border: none; cursor: pointer; padding: 4px;
  color: var(--vip-muted); width: 76px;
}
.vip-eye-toggle .vip-iris-wrap {
  width: 46px; height: 46px; border-radius: 50%;
  background: #fdf6e6;
  border: 2px solid var(--vip-border);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.vip-eye-toggle:hover .vip-iris-wrap { border-color: var(--vip-gold-dim); }
.vip-eye-toggle.is-active .vip-iris-wrap {
  border-color: var(--vip-gold);
  box-shadow: 0 0 0 3px rgba(232,184,75,0.18);
}
.vip-eye-toggle.is-active { color: var(--vip-gold); }
.vip-eye-toggle span.label { font-size: 11px; text-align: center; line-height: 1.25; }

.vip-iris-none { width: 20px; height: 20px; border-radius: 50%; background: #2a2a2a; }
.vip-iris-tunnel {
  width: 100%; height: 100%; border-radius: 50%;
  background: radial-gradient(circle, #fdf6e6 0 22%, #171717 30%, #171717 100%);
}
.vip-iris-macular {
  width: 100%; height: 100%; border-radius: 50%;
  background: radial-gradient(circle, #17171780 0 34%, transparent 42%);
  position: relative;
}
.vip-iris-macular::before {
  content: "";
  position: absolute; inset: 4px; border-radius: 50%;
  background: radial-gradient(circle, rgba(40,40,40,0.85) 0 46%, transparent 60%);
  filter: blur(2px);
}
.vip-iris-macular::after {
  content: "";
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px dashed #8a8a8a;
}
.vip-iris-cataract {
  width: 100%; height: 100%; border-radius: 50%;
  background: radial-gradient(circle, #efe3c3 0 60%, #d8c68f 100%);
  filter: blur(1.5px) saturate(0.7);
}

/* ---------- Stats ---------- */
.vip-stats { display: flex; gap: 18px; font-family: var(--vip-font-mono); }
.vip-stat { }
.vip-stat b {
  display: block; font-size: 22px; color: var(--vip-gold); font-weight: 500;
}
.vip-stat span {
  display: block; font-size: 10.5px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--vip-muted); margin-top: 2px;
}

.vip-newbtn {
  font-family: var(--vip-font-mono);
  font-size: 12.5px;
  width: 100%;
  padding: 11px 14px;
  background: var(--vip-gold);
  color: #201705;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: filter .15s ease, transform .1s ease;
}
.vip-newbtn:hover { filter: brightness(1.08); }
.vip-newbtn:active { transform: translateY(1px); }

/* ---------- Reference thumbnail ---------- */
.vip-reference {
  display: flex; align-items: center; gap: 10px;
}
.vip-reference-img {
  width: 64px; height: 64px; border-radius: 8px;
  background-size: cover; background-position: center;
  border: 1px solid var(--vip-border);
  flex-shrink: 0;
}
.vip-reference p { margin: 0; font-size: 12px; color: var(--vip-muted); line-height: 1.5; }

/* ---------- Board ---------- */
.vip-board-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.vip-board-frame {
  background: var(--vip-panel);
  border: 1px solid var(--vip-border);
  border-radius: var(--vip-radius);
  padding: 18px;
  width: 100%;
  display: flex;
  justify-content: center;
}
.vip-board-stage {
  position: relative;
}
.vip-board {
  position: relative;
  background: #0c0d13;
  border-radius: 6px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.04);
}
.vip-piece {
  position: absolute;
  background-repeat: no-repeat;
  cursor: grab;
  transition: filter .12s ease;
  touch-action: none;
  filter: drop-shadow(0 1px 0 rgba(0,0,0,0.25));
}
.vip-piece.is-placed { cursor: default; }
.vip-piece.is-selected {
  filter: drop-shadow(0 0 0 3px rgba(95,212,208,0.9)) drop-shadow(0 4px 10px rgba(0,0,0,0.5));
  z-index: 30 !important;
}
.vip-piece.is-dragging {
  z-index: 40 !important;
  filter: drop-shadow(0 10px 18px rgba(0,0,0,0.55));
  cursor: grabbing;
}
.vip-piece.just-placed {
  animation: vip-pop .28s ease;
}
@keyframes vip-pop {
  0% { transform: scale(1); }
  40% { transform: scale(1.06); }
  100% { transform: scale(1); }
}

/* ---------- Overlay (the impairment simulation layer) ---------- */
.vip-overlay-layer {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  border-radius: 6px;
  z-index: 20;
  overflow: hidden;
}
.vip-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: 6px;
  z-index: 20;
  transition: opacity .25s ease;
}
.vip-overlay-cataract {
  backdrop-filter: blur(3.5px) contrast(0.72) sepia(0.32) saturate(0.7) brightness(1.08);
  -webkit-backdrop-filter: blur(3.5px) contrast(0.72) sepia(0.32) saturate(0.7) brightness(1.08);
  background: rgba(255, 248, 225, 0.06);
}
.vip-overlay-tunnel {
  background: radial-gradient(circle at 50% 50%,
    rgba(0,0,0,0) 0%,
    rgba(0,0,0,0) 16%,
    rgba(6,6,10,0.55) 34%,
    rgba(4,4,8,0.93) 52%,
    rgba(2,2,5,0.99) 68%);
}
.vip-overlay-macular-blur {
  position: absolute;
  inset: 0;
  border-radius: 6px;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 0 27%, transparent 40%);
          mask-image: radial-gradient(circle at 50% 50%, #000 0 27%, transparent 40%);
  backdrop-filter: blur(9px);
  -webkit-backdrop-filter: blur(9px);
}
.vip-overlay-macular-spot {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%,
    rgba(20,18,15,0.85) 0%,
    rgba(20,18,15,0.65) 16%,
    rgba(20,18,15,0.25) 26%,
    rgba(20,18,15,0) 34%);
  filter: blur(3px);
}

/* ---------- Legend / instructions ---------- */
.vip-instructions {
  font-size: 12.5px;
  color: var(--vip-muted);
  text-align: center;
  max-width: 46ch;
  line-height: 1.6;
}
.vip-instructions b { color: var(--vip-text); }

/* ---------- Modal ---------- */
.vip-modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(8,8,12,0.72);
  display: flex; align-items: center; justify-content: center;
  z-index: 999999;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}
.vip-modal-backdrop.is-open { opacity: 1; pointer-events: auto; }
.vip-modal {
  background: var(--vip-panel);
  border: 1px solid var(--vip-border);
  border-radius: 18px;
  max-width: 440px;
  width: 100%;
  padding: 30px 28px 26px;
  color: var(--vip-text);
  font-family: var(--vip-font-body);
  transform: translateY(10px) scale(0.98);
  transition: transform .25s ease;
}
.vip-modal-backdrop.is-open .vip-modal { transform: translateY(0) scale(1); }
.vip-modal-eyebrow {
  font-family: var(--vip-font-mono);
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--vip-cyan); margin-bottom: 8px;
}
.vip-modal h3 {
  font-family: var(--vip-font-display);
  font-size: 26px; margin: 0 0 14px; font-weight: 600;
}
.vip-modal-stats {
  display: flex; gap: 22px; margin-bottom: 18px;
  font-family: var(--vip-font-mono);
}
.vip-modal-fact {
  background: var(--vip-panel-2);
  border-left: 3px solid var(--vip-gold);
  border-radius: 0 8px 8px 0;
  padding: 14px 16px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--vip-text);
  margin-bottom: 22px;
}
.vip-modal-fact b { color: var(--vip-gold); }
.vip-modal-actions { display: flex; gap: 10px; }
.vip-modal-actions button {
  flex: 1;
  font-family: var(--vip-font-mono);
  font-size: 12.5px;
  padding: 11px 14px;
  border-radius: 10px;
  cursor: pointer;
  border: 1px solid var(--vip-border);
  background: var(--vip-panel-2);
  color: var(--vip-text);
}
.vip-modal-actions button.vip-primary {
  background: var(--vip-gold);
  color: #201705;
  border-color: var(--vip-gold);
  font-weight: 600;
}
.vip-modal-close {
  position: absolute; top: 14px; right: 16px;
  background: none; border: none; color: var(--vip-muted);
  font-size: 20px; cursor: pointer; line-height: 1;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .vip-piece, .vip-overlay, .vip-modal, .vip-modal-backdrop, .vip-thumb { transition: none !important; animation: none !important; }
}

/* ---------- Small screens ---------- */
@media (max-width: 480px) {
  .vip-app { padding: 20px 14px; border-radius: 14px; }
  .vip-eye-toggle { width: 64px; }
}