:root{
  --felt:#18a34a;
  --felt2:#0f7d39;
  --felt3:#074b22;
  --panel:rgba(0,0,0,.24);
  --line:rgba(255,255,255,.12);
  --text:#f8fff9;
  --muted:#d7f5df;
  --gold:#ffd166;
  --gold2:#f59f00;
  --shadow:0 24px 70px rgba(0,0,0,.45);
  --card-width:clamp(34px,5.2vw,64px);
  --side-card-width:clamp(30px,4.6vw,54px);
}

*{box-sizing:border-box;margin:0;padding:0}

html,
body{
  width:100%;
  max-width:100%;
  min-height:100vh;
  overflow-x:hidden;
  font-family:"Space Grotesk",sans-serif;
  color:var(--text);
  background:radial-gradient(circle at center,#2fe37a 0%,var(--felt) 24%,var(--felt2) 58%,var(--felt3) 100%);
}

body{touch-action:manipulation}
button{font-family:inherit}

.game-shell{
  width:min(1500px,100%);
  min-height:100vh;
  margin:0 auto;
  padding:clamp(8px,1.4vw,16px);
  display:flex;
  flex-direction:column;
  gap:10px;
}

.topbar{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:12px;
  align-items:center;
  background:rgba(0,0,0,.22);
  border:1px solid var(--line);
  border-radius:20px;
  padding:12px;
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}

.back-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:10px 14px;
  border-radius:12px;
  text-decoration:none;
  color:#fff;
  background:rgba(0,0,0,.26);
  border:1px solid var(--line);
}

.title-wrap{text-align:center}

.title-wrap h1{
  font-size:clamp(1.55rem,3.4vw,2.8rem);
  font-weight:900;
  letter-spacing:-.05em;
}

.title-wrap p{
  margin-top:4px;
  color:var(--muted);
  font-size:.9rem;
}

.top-actions{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  justify-content:flex-end;
}

.game-btn{
  border:none;
  border-radius:12px;
  padding:10px 14px;
  font-weight:800;
  cursor:pointer;
  color:#1d1200;
  background:linear-gradient(135deg,var(--gold),var(--gold2));
}

.hud{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:8px;
}

.hud-card{
  background:rgba(0,0,0,.22);
  border:1px solid var(--line);
  border-radius:16px;
  padding:9px;
  text-align:center;
  backdrop-filter:blur(10px);
  box-shadow:var(--shadow);
}

.hud-card span{
  display:block;
  color:var(--muted);
  font-size:.72rem;
}

.hud-card strong{
  display:block;
  margin-top:4px;
  font-size:clamp(.85rem,2vw,1.25rem);
}

.table-area{
  position:relative;
  flex:1;
  min-height:0;
  background:radial-gradient(circle at center,#37ef81 0%,#18b358 20%,#0d8a42 54%,#065428 100%);
  border-radius:30px;
  padding:clamp(10px,1.6vw,20px);
  border:2px solid rgba(255,255,255,.14);
  box-shadow:inset 0 2px 10px rgba(255,255,255,.14),inset 0 -20px 50px rgba(0,0,0,.22),var(--shadow);
  overflow:hidden;
  display:grid;
  grid-template-columns:minmax(96px,1fr) minmax(220px,1.35fr) minmax(96px,1fr);
  grid-template-rows:auto 1fr auto;
  gap:10px;
  grid-template-areas:
    ". ai2 ."
    "ai3 center ai1"
    ". player .";
}

.table-area::before{
  content:"";
  position:absolute;
  inset:0;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.012) 0px,rgba(255,255,255,.012) 2px,transparent 2px,transparent 6px);
  pointer-events:none;
}

.opponents-grid{
  display:contents;
}

.opponent-box,
.player-area,
.maid-card-box,
.draw-zone{
  position:relative;
  z-index:2;
  background:rgba(0,0,0,.18);
  border:1px solid rgba(255,255,255,.14);
  border-radius:18px;
  padding:10px;
  text-align:center;
  box-shadow:0 12px 28px rgba(0,0,0,.24);
}

.opponent-box:nth-child(1){
  grid-area:ai2;
}

.opponent-box:nth-child(2){
  grid-area:ai1;
}

.opponent-box:nth-child(3){
  grid-area:ai3;
}

.player-area{
  grid-area:player;
}

.center-area{
  grid-area:center;
  position:relative;
  z-index:2;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:12px;
  min-height:0;
}

.opponent-box h2,
.player-area h2{
  margin-bottom:6px;
  font-size:1rem;
}

.opponent-note{
  margin-bottom:6px;
  color:var(--gold);
  font-size:.68rem;
  font-weight:900;
}

.active-opponent{
  box-shadow:
    0 0 0 2px rgba(255,209,102,.42),
    0 18px 40px rgba(0,0,0,.28);
}

.cpu-hand,
.player-hand{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:3px;
  flex-wrap:wrap;
}

.opponent-box:nth-child(1) .cpu-hand,
.player-hand{
  flex-direction:row;
}

.opponent-box:nth-child(2) .cpu-hand,
.opponent-box:nth-child(3) .cpu-hand{
  flex-direction:column;
  max-height:52vh;
  overflow:hidden;
}

.maid-card-box{
  width:min(170px,100%);
}

.maid-card-box span{
  display:block;
  margin-bottom:6px;
  color:var(--muted);
  font-weight:900;
  letter-spacing:.06em;
  text-transform:uppercase;
  font-size:.7rem;
}

.maid-card{
  width:clamp(72px,10vw,110px);
  aspect-ratio:5/7;
  margin:0 auto;
  border-radius:16px;
  background:linear-gradient(180deg,#fff,#f3ead8);
  color:#1d1200;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  box-shadow:0 16px 32px rgba(0,0,0,.36);
}

.maid-symbol{
  font-size:clamp(1.8rem,4vw,3rem);
}

.maid-title{
  margin-top:6px;
  font-weight:900;
  line-height:1;
  letter-spacing:.08em;
}

.draw-zone{
  width:min(320px,100%);
  padding:12px;
}

.draw-zone h2{
  margin-bottom:6px;
  font-size:1.1rem;
}

.draw-zone p{
  color:var(--muted);
  line-height:1.4;
  font-size:.85rem;
}

.card{
  width:var(--card-width);
  aspect-ratio:5/7;
  border-radius:13px;
  position:relative;
  border:none;
  background:none;
  cursor:pointer;
  transition:transform .16s ease,box-shadow .16s ease,filter .16s ease;
}

.opponent-box:nth-child(2) .card,
.opponent-box:nth-child(3) .card{
  width:var(--side-card-width);
}

.card:hover{transform:translateY(-5px)}
.card.selected{transform:translateY(-10px)}

.card-face{
  position:absolute;
  inset:0;
  border-radius:13px;
  overflow:hidden;
  background-image:url("./cards/cards.png");
  background-repeat:no-repeat;
  background-size:1300% 400%;
  box-shadow:0 10px 22px rgba(0,0,0,.4);
}

.card-back{
  position:absolute;
  inset:0;
  border-radius:13px;
  background-image:url("./cards/card_back.png");
  background-size:cover;
  background-position:center;
  box-shadow:0 10px 22px rgba(0,0,0,.4);
}

.card-corner-helper{
  position:absolute;
  top:3px;
  left:3px;
  z-index:50;
  min-width:19px;
  padding:2px 4px;
  border-radius:7px;
  background:rgba(255,255,255,.96);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  font-size:clamp(.48rem,.8vw,.7rem);
  font-weight:900;
  line-height:1;
  box-shadow:0 2px 6px rgba(0,0,0,.22);
  pointer-events:none;
}

.card-corner-helper.red{color:#d3152a}
.card-corner-helper.black{color:#111}
.card-corner-helper .suit{margin-top:1px}

.revealed-draw{
  position:relative;
  animation:drawReveal .45s ease both;
}

.revealed-draw::after,
.cpu-draw-card.selected::after{
  position:absolute;
  left:50%;
  bottom:-24px;
  transform:translateX(-50%);
  padding:4px 8px;
  border-radius:999px;
  background:#ffd166;
  color:#000;
  font-size:.62rem;
  font-weight:900;
  letter-spacing:.08em;
}

.revealed-draw::after{content:"DRAWN"}
.cpu-draw-card.selected::after{content:"PICKED"}

.cpu-draw-card.selected{
  transform:translateY(-10px);
  filter:brightness(1.18);
}

.controls{
  display:flex;
  justify-content:center;
  gap:10px;
  flex-wrap:wrap;
}

.primary-btn,
.secondary-btn{
  border:none;
  border-radius:14px;
  padding:12px 18px;
  cursor:pointer;
  font-weight:900;
}

.primary-btn{
  color:#000;
  background:linear-gradient(135deg,#ffe08a,#ffb703);
}

.secondary-btn{
  color:#fff;
  background:rgba(0,0,0,.28);
  border:1px solid rgba(255,255,255,.14);
}

.howto-overlay{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.7);
  backdrop-filter:blur(10px);
  display:none;
  align-items:center;
  justify-content:center;
  z-index:1000;
  padding:20px;
  overflow-y:auto;
}

.howto-overlay.open{display:flex}

.howto-panel{
  width:min(760px,100%);
  max-height:min(86vh,760px);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  background:linear-gradient(180deg,#13914a,#074624);
  border-radius:28px;
  border:1px solid rgba(255,255,255,.14);
  padding:28px;
  box-shadow:var(--shadow);
}

.howto-header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  flex:0 0 auto;
  position:sticky;
  top:0;
  z-index:5;
}

.close-howto{
  width:46px;
  height:46px;
  border:none;
  border-radius:14px;
  background:rgba(0,0,0,.26);
  color:#fff;
  cursor:pointer;
  font-size:1.2rem;
  flex:0 0 auto;
}

.howto-content{
  margin-top:18px;
  overflow-y:auto;
  -webkit-overflow-scrolling:touch;
  max-height:calc(86vh - 90px);
  padding-right:10px;
}

.howto-content p{
  margin-bottom:16px;
  line-height:1.6;
}

.howto-content h3{
  margin:20px 0 10px;
}

.howto-content ul{
  padding-left:22px;
  display:flex;
  flex-direction:column;
  gap:12px;
  line-height:1.5;
}

@keyframes drawReveal{
  from{opacity:0;transform:translateY(-14px) scale(.92)}
  to{opacity:1;transform:translateY(0) scale(1)}
}

@media (max-width:900px){
  .topbar{
    grid-template-columns:1fr;
    text-align:center;
  }

  .top-actions{
    justify-content:center;
  }

  .table-area{
    grid-template-columns:72px 1fr 72px;
    grid-template-rows:auto 1fr auto;
    gap:7px;
  }

  .title-wrap p{
    display:none;
  }

  .hud{
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:5px;
  }

  .hud-card{
    padding:7px 4px;
  }

  .hud-card span{
    font-size:.6rem;
  }

  .hud-card strong{
    font-size:.78rem;
  }
}

@media (max-width:560px){
  :root{
    --card-width:clamp(24px,11vw,42px);
    --side-card-width:clamp(20px,8vw,32px);
  }

  .game-shell{
    padding:6px;
    gap:7px;
  }

  .topbar{
    padding:9px;
    border-radius:16px;
  }

  .game-btn,
  .back-btn{
    padding:8px 10px;
    font-size:.78rem;
  }

  .table-area{
    border-radius:22px;
    padding:8px;
    grid-template-columns:48px 1fr 48px;
  }

  .opponent-box,
  .player-area,
  .maid-card-box,
  .draw-zone{
    padding:6px;
    border-radius:14px;
  }

  .opponent-box h2,
  .player-area h2{
    font-size:.78rem;
    margin-bottom:3px;
  }

  .opponent-note{
    display:none;
  }

  .maid-card{
    width:58px;
  }

  .draw-zone h2{
    font-size:.9rem;
  }

  .draw-zone p{
    font-size:.68rem;
  }

  .controls{
    gap:6px;
  }

  .primary-btn,
  .secondary-btn{
    padding:9px 10px;
    font-size:.75rem;
  }

  .howto-overlay{
    align-items:flex-start;
    padding:10px;
  }

  .howto-panel{
    max-height:92vh;
    width:100%;
    padding:18px;
    border-radius:20px;
  }

  .howto-content{
    max-height:calc(92vh - 82px);
  }
}

.opponent-box:nth-child(2) .cpu-hand,
.opponent-box:nth-child(3) .cpu-hand{
  gap:18px;
}

.opponent-box:nth-child(2) .card,
.opponent-box:nth-child(3) .card{
  transform:rotate(90deg);
  margin:10px 0;
}

.opponent-box:nth-child(2) .card:hover,
.opponent-box:nth-child(3) .card:hover{
  transform:rotate(90deg) translateY(-5px);
}

.opponent-box:nth-child(2) .card.selected,
.opponent-box:nth-child(3) .card.selected{
  transform:rotate(90deg) translateY(-10px);
}

.opponent-box:nth-child(2) .cpu-draw-card.selected,
.opponent-box:nth-child(3) .cpu-draw-card.selected{
  transform:rotate(90deg) translateY(-10px);
}

.opponent-box:nth-child(2) .ai-picked-card,
.opponent-box:nth-child(3) .ai-picked-card{
  transform:rotate(90deg) translateY(-12px) scale(1.08);
}

@media (max-width:560px){

  .table-area{
    grid-template-columns:42px 1fr 42px;
    gap:4px;
  }

  .center-area{
    gap:6px;
  }

  .maid-card-box{
    width:72px;
    padding:4px;
  }

  .maid-card{
    width:42px;
    border-radius:10px;
  }

  .maid-symbol{
    font-size:1.1rem;
  }

  .maid-title{
    font-size:.42rem;
    margin-top:2px;
  }

  .draw-zone{
    width:100%;
    max-width:170px;
    padding:6px;
  }

  .draw-zone h2{
    font-size:.72rem;
    margin-bottom:2px;
  }

  .draw-zone p{
    font-size:.52rem;
    line-height:1.2;
  }

  .opponent-box:nth-child(2) .cpu-hand,
  .opponent-box:nth-child(3) .cpu-hand{
    gap:8px;
  }

  .opponent-box:nth-child(2) .card,
  .opponent-box:nth-child(3) .card{
    margin:2px 0;
  }

  .player-hand{
    gap:1px;
  }

}

@media (max-width:560px){

  .game-shell{
    min-height:auto;
  }

  .table-area{
    display:grid;
    grid-template-columns:1fr;
    grid-template-areas:
      "ai2"
      "ai1"
      "center"
      "ai3"
      "player";
    max-height:none;
    overflow:visible;
  }

  .opponent-box:nth-child(1){
    grid-area:ai2;
  }

  .opponent-box:nth-child(2){
    grid-area:ai1;
  }

  .opponent-box:nth-child(3){
    grid-area:ai3;
  }

  .player-area{
    grid-area:player;
  }

  .center-area{
    grid-area:center;
    transform:scale(.86);
    transform-origin:center;
    margin:-8px 0;
  }

  .opponent-box:nth-child(2) .cpu-hand,
  .opponent-box:nth-child(3) .cpu-hand{
    flex-direction:row;
    max-height:none;
    overflow:visible;
    gap:2px;
  }

  .opponent-box:nth-child(2) .card,
  .opponent-box:nth-child(3) .card,
  .opponent-box:nth-child(2) .card:hover,
  .opponent-box:nth-child(3) .card:hover,
  .opponent-box:nth-child(2) .card.selected,
  .opponent-box:nth-child(3) .card.selected,
  .opponent-box:nth-child(2) .cpu-draw-card.selected,
  .opponent-box:nth-child(3) .cpu-draw-card.selected,
  .opponent-box:nth-child(2) .ai-picked-card,
  .opponent-box:nth-child(3) .ai-picked-card{
    transform:none;
    margin:0;
  }

  .cpu-hand,
  .player-hand{
    flex-wrap:wrap;
    justify-content:center;
    overflow:visible;
    min-height:auto;
  }

  .player-hand{
    padding-bottom:28px;
  }

  .revealed-draw::after,
  .cpu-draw-card.selected::after{
    bottom:-20px;
    font-size:.54rem;
    padding:3px 6px;
  }
}