:root{
  --bg:#161616;
  --card-bg:#1e1e1e;
  --card-border:rgba(255,255,255,0.07);
  --text-primary:#ededec;
  --text-secondary:#8f8f8d;
  --text-tertiary:#5c5c5a;
  --btn-bg:rgba(255,255,255,0.045);
  --btn-border:rgba(255,255,255,0.08);
  --btn-bg-hover:rgba(255,255,255,0.09);
  --brand-orange:#F97316;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
}

*{ box-sizing:border-box; }

html,body{
  margin:0;
  padding:0;
  height:100%;
  background:var(--bg);
  color:var(--text-primary);
  font-family:'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

.page{
  position:relative;
  z-index:1;
  height:100%;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  padding:28px 20px;
  gap:22px;
}

.wordmark{
  position:fixed;
  top:24px;
  left:72px;
  font-size:12px;
  font-weight:600;
  letter-spacing:0.08em;
  color:var(--text-tertiary);
  text-transform:uppercase;
  z-index:2;
  user-select:none;
}

/* ---- menu button ---- */
.menu-btn{
  position:fixed;
  top:16px;
  left:20px;
  width:40px;
  height:40px;
  border-radius:12px;
  background:color-mix(in srgb, var(--brand-orange) 12%, transparent);
  border:1px solid color-mix(in srgb, var(--brand-orange) 35%, transparent);
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  color:var(--brand-orange);
  transition:background 0.2s var(--ease-standard), color 0.2s var(--ease-standard), border-color 0.2s var(--ease-standard);
  z-index:12;
  -webkit-tap-highlight-color:transparent;
}
.menu-btn:hover{
  background:color-mix(in srgb, var(--brand-orange) 20%, transparent);
  color:var(--brand-orange);
  border-color:color-mix(in srgb, var(--brand-orange) 55%, transparent);
}
.menu-btn svg{ width:18px; height:18px; }

/* ---- sidebar ---- */
.sidebar-overlay{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.5);
  opacity:0;
  pointer-events:none;
  transition:opacity 0.3s var(--ease-standard);
  z-index:10;
}
.sidebar-overlay.open{
  opacity:1;
  pointer-events:auto;
}

.sidebar{
  position:fixed;
  top:0;
  left:0;
  height:100%;
  width:min(78vw, 260px);
  background:var(--card-bg);
  border-right:1px solid var(--card-border);
  padding:80px 22px 22px;
  transform:translateX(-100%);
  transition:transform 0.32s var(--ease-out-expo);
  z-index:11;
}
.sidebar.open{
  transform:translateX(0);
}

.sidebar-title{
  font-size:11px;
  font-weight:600;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--text-tertiary);
  margin-bottom:18px;
}

.menu-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:6px 0;
}

.menu-label{
  font-size:14.5px;
  font-weight:500;
  color:var(--text-primary);
}

.switch{
  position:relative;
  width:44px;
  height:26px;
  border-radius:999px;
  background:var(--btn-bg);
  border:1px solid var(--btn-border);
  cursor:pointer;
  flex-shrink:0;
  transition:background 0.2s var(--ease-standard), border-color 0.2s var(--ease-standard);
}
.switch::after{
  content:'';
  position:absolute;
  top:2px;
  left:2px;
  width:20px;
  height:20px;
  border-radius:50%;
  background:var(--text-secondary);
  transition:transform 0.2s var(--ease-standard), background 0.2s var(--ease-standard);
}
.switch.on{
  background:color-mix(in srgb, var(--brand-orange) 30%, transparent);
  border-color:var(--brand-orange);
}
.switch.on::after{
  transform:translateX(18px);
  background:var(--brand-orange);
}

.sidebar-divider{
  height:1px;
  background:var(--card-border);
  margin:20px 0;
}

.search-wrap{
  position:relative;
}

.search-input{
  width:100%;
  padding:10px 12px;
  border-radius:10px;
  background:var(--btn-bg);
  border:1px solid var(--btn-border);
  color:var(--text-primary);
  font-size:14px;
  font-family:inherit;
  outline:none;
  transition:border-color 0.2s var(--ease-standard);
}
.search-input::placeholder{ color:var(--text-tertiary); }
.search-input:focus{ border-color:rgba(255,255,255,0.2); }

.champ-results{
  position:absolute;
  top:calc(100% + 6px);
  left:0;
  right:0;
  max-height:240px;
  overflow-y:auto;
  border-radius:10px;
  background:var(--bg);
  border:1px solid var(--card-border);
  display:none;
  z-index:13;
  scrollbar-width:thin;
  scrollbar-color:rgba(255,255,255,0.12) transparent;
}
.champ-results.open{ display:block; }
.champ-results::-webkit-scrollbar{ width:4px; }
.champ-results::-webkit-scrollbar-thumb{ background:rgba(255,255,255,0.12); border-radius:4px; }

.champ-result{
  padding:10px 12px;
  font-size:13.5px;
  color:var(--text-primary);
  cursor:pointer;
}
.champ-result:hover, .champ-result.active{
  background:var(--btn-bg-hover);
}
.champ-result-empty{
  padding:10px 12px;
  font-size:13px;
  color:var(--text-tertiary);
}

.clear-btn{
  margin-top:10px;
  width:100%;
  padding:9px;
  border-radius:10px;
  background:color-mix(in srgb, var(--brand-orange) 12%, transparent);
  border:1px solid color-mix(in srgb, var(--brand-orange) 35%, transparent);
  color:var(--brand-orange);
  font-size:13px;
  font-weight:500;
  cursor:pointer;
  transition:background 0.2s var(--ease-standard), color 0.2s var(--ease-standard), border-color 0.2s var(--ease-standard);
}
.clear-btn:hover{
  background:color-mix(in srgb, var(--brand-orange) 20%, transparent);
  color:var(--brand-orange);
  border-color:color-mix(in srgb, var(--brand-orange) 55%, transparent);
}
.clear-btn[hidden]{ display:none; }

/* ---- card stage (holds the current card + the two off-screen neighbors used for swipe) ---- */
.card-stage{
  position:relative;
  width:min(85vw, 360px);
  aspect-ratio:5/7;
  max-height:62vh;
  touch-action:pan-y;
  user-select:none;
  -webkit-user-select:none;
}

.card{
  position:absolute;
  inset:0;
  background:var(--card-bg);
  border:1px solid var(--card-border);
  border-radius:28px;
  overflow:hidden;
  cursor:grab;
}
.card:active{
  cursor:grabbing;
}

.card-ghost{
  pointer-events:none;
}

.key-badge{
  font-size:19px;
  font-weight:700;
  letter-spacing:0.02em;
  padding:7px 15px;
  margin-top:4px;
  border-radius:999px;
  color:var(--brand-orange);
  background:color-mix(in srgb, var(--brand-orange) 16%, transparent);
  transition:background 0.24s var(--ease-standard), color 0.24s var(--ease-standard);
  flex-shrink:0;
}

.card-inner{
  height:100%;
  width:100%;
  display:flex;
  flex-direction:column;
  align-items:center;
  padding:34px 26px 26px;
  opacity:1;
  transform:translateX(0);
}

.top-row{
  position:relative;
  width:100%;
  min-height:96px;
  display:flex;
  align-items:flex-start;
  justify-content:flex-start;
  margin-bottom:20px;
  flex-shrink:0;
}

.icon-wrap{
  position:absolute;
  left:50%;
  top:50%;
  transform:translate(-50%, -50%);
  width:96px;
  height:96px;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.icon-wrap img{
  width:88px;
  height:88px;
  object-fit:cover;
  border-radius:20px;
  image-rendering:auto;
  display:block;
}

.quiz-hidden{
  visibility:hidden;
}

.overline{
  font-size:11px;
  font-weight:600;
  letter-spacing:0.09em;
  text-transform:uppercase;
  color:var(--text-tertiary);
  margin-bottom:8px;
  text-align:center;
  max-width:100%;
}

.ability-name{
  font-size:20px;
  font-weight:650;
  letter-spacing:-0.01em;
  color:var(--text-primary);
  margin:0 0 16px;
  text-align:center;
  line-height:1.25;
}

.divider{
  width:28px;
  height:1px;
  background:var(--card-border);
  margin-bottom:16px;
  flex-shrink:0;
}

.description-wrap{
  flex:1;
  min-height:0;
  width:100%;
  overflow-y:auto;
  touch-action:pan-y;
  scrollbar-width:thin;
  scrollbar-color:rgba(255,255,255,0.12) transparent;
}
.description-wrap::-webkit-scrollbar{ width:4px; }
.description-wrap::-webkit-scrollbar-thumb{ background:rgba(255,255,255,0.12); border-radius:4px; }
.description-wrap::-webkit-scrollbar-track{ background:transparent; }

.description{
  margin:0;
  font-size:14.5px;
  line-height:1.65;
  color:var(--text-secondary);
  text-align:center;
  font-weight:400;
}

/* ---- controls ---- */
.controls{
  display:flex;
  align-items:center;
  gap:22px;
}

.nav-btn{
  width:64px;
  height:48px;
  border-radius:14px;
  background:var(--btn-bg);
  border:1px solid var(--btn-border);
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  color:var(--text-secondary);
  transition:background 0.2s var(--ease-standard), transform 0.15s var(--ease-standard), color 0.2s var(--ease-standard), border-color 0.2s var(--ease-standard);
  -webkit-tap-highlight-color:transparent;
}
.nav-btn:hover{
  background:var(--btn-bg-hover);
  color:var(--text-primary);
  border-color:rgba(255,255,255,0.14);
  transform:translateY(-1px) scale(1.04);
}
.nav-btn:active{
  transform:scale(0.92);
}
.nav-btn svg{
  width:18px;
  height:18px;
}

/* ---- quiz mode ---- */
.reveal-btn{
  padding:11px 26px;
  border-radius:999px;
  background:color-mix(in srgb, var(--brand-orange) 12%, transparent);
  border:1px solid color-mix(in srgb, var(--brand-orange) 35%, transparent);
  color:var(--brand-orange);
  font-size:13.5px;
  font-weight:600;
  letter-spacing:0.02em;
  cursor:pointer;
  transition:background 0.2s var(--ease-standard), color 0.2s var(--ease-standard), border-color 0.2s var(--ease-standard), opacity 0.2s var(--ease-standard);
  -webkit-tap-highlight-color:transparent;
}
.reveal-btn:hover:not(:disabled){
  background:color-mix(in srgb, var(--brand-orange) 20%, transparent);
  border-color:color-mix(in srgb, var(--brand-orange) 55%, transparent);
}
.reveal-btn:disabled{
  background:var(--btn-bg);
  border-color:var(--btn-border);
  color:var(--text-tertiary);
  cursor:default;
  opacity:0.7;
}
.reveal-btn[hidden]{ display:none; }

@media (max-width:420px){
  .card-stage{ width:88vw; max-height:58vh; }
}