:root{
  color-scheme:light;
  --page-1:#f5fbfa;
  --page-2:#edf6fb;
  --panel:#ffffff;
  --panel-soft:rgba(255,255,255,.88);
  --border:#d6e5e9;
  --text:#18313c;
  --muted:#607985;
  --accent:#6f24ee;
  --accent-2:#178fa0;
  --accent-soft:#f3edff;
  --board-blue:#0f9d8a;
  --board-blue-dark:#087365;
  --slot:#e9f7f3;
  --p1:#8b5cf6;
  --p1-dark:#6d28d9;
  --p2:#ff8a3d;
  --p2-dark:#d95f10;
  --shadow:0 18px 48px rgba(37,79,91,.12);
}

*{box-sizing:border-box}

html{min-width:320px}

body{
  margin:0;
  min-height:100vh;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 10% 8%,rgba(103,210,210,.13),transparent 24rem),
    radial-gradient(circle at 94% 84%,rgba(111,149,213,.10),transparent 28rem),
    linear-gradient(145deg,var(--page-1),var(--page-2));
}

button{font:inherit;color:inherit}
button:focus-visible{outline:3px solid rgba(111,36,238,.28);outline-offset:2px}

.game-shell{
  width:min(1240px,calc(100% - 20px));
  margin:0 auto;
  padding:12px 0 18px;
}

.workspace{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(350px,.78fr);
  gap:16px;
  align-items:start;
  padding:14px;
  border:1px solid var(--border);
  border-radius:24px;
  background:rgba(255,255,255,.58);
  box-shadow:var(--shadow);
}

.game-area,
.side-panel{min-width:0}

.game-area{
  display:flex;
  flex-direction:column;
  gap:10px;
}

.side-panel{
  display:flex;
  flex-direction:column;
  gap:12px;
}

.status-card,
.control-panel,
.meti-panel,
.quick-info,
.board-frame{
  border:1px solid var(--border);
  background:var(--panel-soft);
}

.status-card{
  min-height:58px;
  padding:9px 14px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  border-radius:15px;
}

.player-status{display:flex;align-items:center;gap:10px}
.status-label{
  display:block;
  margin-bottom:1px;
  color:var(--muted);
  font-size:.68rem;
  font-weight:750;
  text-transform:uppercase;
  letter-spacing:.06em;
}
#statusText{font-size:.95rem}

.status-disc{
  width:30px;
  height:30px;
  border-radius:50%;
  border:3px solid rgba(255,255,255,.7);
  box-shadow:inset 0 -4px 0 rgba(0,0,0,.14),0 5px 10px rgba(37,79,91,.15);
}
.status-disc.player-one{background:var(--p1)}
.status-disc.player-two{background:var(--p2)}

.scoreboard{display:flex;align-items:center;gap:11px}
.score-item{min-width:60px;text-align:center}
.score-item span{
  display:block;
  color:var(--muted);
  font-size:.64rem;
  margin-bottom:1px;
}
.score-item strong{font-size:1.1rem}
.score-divider{width:1px;height:27px;background:var(--border)}

.board-frame{
  padding:14px;
  border-radius:22px;
  box-shadow:0 20px 48px rgba(37,79,91,.12);
}

.board-heading{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:18px;
  padding:2px 3px 12px;
}
.board-heading h1{
  margin:0;
  font-size:clamp(1.3rem,3vw,2rem);
  letter-spacing:-.035em;
}
.board-heading > p{
  max-width:310px;
  margin:0;
  color:var(--muted);
  text-align:right;
  font-size:.76rem;
  line-height:1.4;
}
.eyebrow{
  margin:0 0 3px;
  color:var(--accent-2);
  font-size:.64rem;
  font-weight:850;
  letter-spacing:.15em;
}

.board-section{
  position:relative;
  width:min(720px,100%);
  margin:0 auto;
}

.column-indicators{
  display:grid;
  grid-template-columns:repeat(7,1fr);
  gap:clamp(3px,.8vw,8px);
  padding:0 12px 6px;
}
.column-indicator{
  display:grid;
  place-items:center;
  min-height:18px;
  color:rgba(15,157,138,.34);
  font-size:.92rem;
  transform:translateY(3px);
  opacity:0;
  transition:opacity 140ms ease,transform 140ms ease,color 140ms ease;
}
.column-indicator.active{color:#6f24ee;transform:translateY(0);opacity:1}

.game-board{
  position:relative;
  display:grid;
  grid-template-columns:repeat(7,minmax(0,1fr));
  grid-template-rows:repeat(6,minmax(0,1fr));
  gap:clamp(4px,.8vw,8px);
  padding:clamp(9px,1.5vw,15px);
  border-radius:20px;
  background:
    linear-gradient(145deg,rgba(255,255,255,.18),transparent 30%),
    var(--board-blue);
  box-shadow:
    inset 0 -8px 0 var(--board-blue-dark),
    inset 0 0 0 3px rgba(255,255,255,.13),
    0 17px 36px rgba(5,105,91,.24);
}
.game-board.thinking{pointer-events:none}

.cell{
  position:relative;
  min-width:0;
  aspect-ratio:1;
  padding:0;
  border:0;
  border-radius:50%;
  cursor:pointer;
  overflow:hidden;
  background:var(--slot);
  box-shadow:
    inset 0 7px 12px rgba(25,94,85,.20),
    0 2px 0 rgba(255,255,255,.45);
}
.cell::after{
  content:"";
  position:absolute;
  inset:9%;
  border-radius:50%;
  background:transparent;
  transform:translateY(-165%);
}
.cell.player-one::after,
.cell.player-two::after{
  animation:drop-disc 360ms cubic-bezier(.2,.76,.25,1.08) forwards;
  box-shadow:inset 0 -6px 0 rgba(0,0,0,.18),inset 0 4px 0 rgba(255,255,255,.22);
}
.cell.player-one::after{background:var(--p1)}
.cell.player-two::after{background:var(--p2)}
.cell.winner::after{animation:drop-disc 0ms forwards,winner-pulse 900ms ease-in-out infinite alternate}
.cell:disabled{cursor:default}

.game-tip{
  margin:0;
  color:var(--muted);
  text-align:center;
  font-size:.75rem;
}

.control-panel{
  display:grid;
  gap:10px;
  padding:14px;
  border-radius:18px;
}

.control-heading{
  display:grid;
  gap:2px;
  padding-bottom:2px;
}
.control-heading strong{font-size:.95rem}
.control-heading span{color:var(--muted);font-size:.68rem}

.control-group{
  min-width:0;
  padding:10px;
  border:1px solid #e0eaed;
  border-radius:13px;
  background:#fbfdfd;
}
.control-label{
  display:block;
  margin-bottom:7px;
  color:#47646f;
  font-size:.67rem;
  font-weight:800;
}

.segmented-control{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:6px;
}
.segmented-control button{
  min-height:38px;
  padding:7px 9px;
  border:1px solid #d7e4e8;
  border-radius:10px;
  cursor:pointer;
  background:#f7fafb;
  color:#49636d;
  font-size:.72rem;
  font-weight:800;
}
.segmented-control button.active{
  color:#fff;
  border-color:var(--accent);
  background:linear-gradient(135deg,#8129f5,#5d17df);
  box-shadow:0 7px 16px rgba(111,36,238,.15);
}

.difficulty-list{
  display:grid;
  gap:5px;
}
.difficulty-button{
  width:100%;
  min-height:48px;
  display:grid;
  grid-template-columns:30px 1fr;
  align-items:center;
  gap:9px;
  padding:6px 9px;
  text-align:left;
  border:1px solid #dce7ea;
  border-radius:11px;
  cursor:pointer;
  background:#fff;
}
.difficulty-button > span:last-child{display:grid;gap:1px}
.difficulty-button strong{font-size:.73rem}
.difficulty-button small{color:var(--muted);font-size:.60rem}
.difficulty-button.active{
  border-color:rgba(111,36,238,.62);
  background:#f8f3ff;
  box-shadow:0 0 0 2px rgba(111,36,238,.07);
}
.level-dot{
  width:25px;
  height:25px;
  border-radius:50%;
  border:3px solid rgba(255,255,255,.8);
  box-shadow:0 3px 7px rgba(37,79,91,.12);
}
.easy-dot{background:#7ed957}
.medium-dot{background:#ffbc3d}
.hard-dot{background:#ff5b62}

.primary-button,
.secondary-button{
  min-height:42px;
  padding:9px 15px;
  border:0;
  border-radius:11px;
  cursor:pointer;
  font-weight:850;
}
.primary-button{
  color:#fff;
  background:linear-gradient(135deg,#239eab,#137e90);
  box-shadow:0 8px 18px rgba(23,143,160,.17);
}
.secondary-button{
  color:var(--text);
  border:1px solid var(--border);
  background:#eff6f7;
}
.new-game-button{width:100%;margin-top:1px}

.meti-panel{
  display:grid;
  grid-template-columns:112px minmax(0,1fr);
  align-items:center;
  gap:10px;
  padding:12px;
  border-radius:18px;
}
.meti-visual-wrap{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:125px;
}
.meti-figure{
  display:block;
  width:108px;
  max-height:128px;
  object-fit:contain;
  filter:drop-shadow(0 8px 16px rgba(111,36,238,.14));
}
.meti-message-card{
  min-width:0;
  padding:11px 12px;
  border-radius:14px;
  color:#fff;
  background:linear-gradient(145deg,#29357e,#25296b);
}
.meti-message-card strong{display:block;margin-bottom:6px;font-size:.88rem}
.meti-message-card p{margin:0;font-size:.74rem;line-height:1.48}

.quick-info{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px;
  padding:10px;
  border-radius:15px;
}
.quick-info > div{
  padding:8px 10px;
  border:1px solid #e0eaed;
  border-radius:11px;
  background:#fbfdfd;
}
.quick-info span{display:block;color:var(--muted);font-size:.61rem}
.quick-info strong{font-size:.75rem}

.modal{
  position:fixed;
  inset:0;
  z-index:20;
  display:grid;
  place-items:center;
  padding:20px;
  visibility:hidden;
  opacity:0;
  transition:opacity 180ms ease,visibility 180ms ease;
}
.modal.open{visibility:visible;opacity:1}
.modal-backdrop{
  position:absolute;
  inset:0;
  background:rgba(25,45,52,.42);
  backdrop-filter:blur(6px);
}
.modal-card{
  position:relative;
  z-index:1;
  width:min(100%,500px);
  padding:25px 25px 22px;
  border:1px solid var(--border);
  border-radius:26px;
  text-align:center;
  background:#fff;
  box-shadow:0 30px 90px rgba(32,66,75,.28);
  transform:translateY(14px) scale(.97);
  transition:transform 180ms ease;
}
.modal.open .modal-card{transform:none}
.result-meti-image{
  display:block;
  width:128px;
  max-height:135px;
  margin:0 auto 5px;
  object-fit:contain;
  filter:drop-shadow(0 9px 18px rgba(111,36,238,.15));
}
.modal-card h2{
  margin:5px 0 8px;
  font-size:clamp(1.45rem,4vw,2rem);
}
#resultMessage{
  margin:0;
  color:var(--muted);
  font-size:.90rem;
  line-height:1.45;
}
.result-meti-text{
  margin:13px 0 0;
  padding:11px 13px;
  color:#38555f;
  border-radius:13px;
  background:#f3f6fc;
  font-weight:750;
  font-size:.82rem;
  line-height:1.45;
}
.modal-actions{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:9px;
  margin-top:18px;
}
.is-hidden{display:none!important}

@keyframes drop-disc{
  0%{transform:translateY(-165%)}
  72%{transform:translateY(4%)}
  100%{transform:translateY(0)}
}
@keyframes winner-pulse{
  from{filter:brightness(1);transform:scale(.92)}
  to{filter:brightness(1.35);transform:scale(1)}
}

@media(max-width:980px){
  .workspace{
    grid-template-columns:minmax(0,1.3fr) minmax(320px,.8fr);
    gap:11px;
    padding:10px;
  }
  .board-heading > p{display:none}
}

@media(max-width:820px){
  .game-shell{width:min(100% - 12px,700px);padding:7px 0 14px}
  .workspace{
    display:flex;
    flex-direction:column;
    gap:9px;
    padding:8px;
    border-radius:17px;
  }
  .side-panel{display:contents}
  .control-panel{order:1;width:100%}
  .game-area{order:2;width:100%}
  .meti-panel{order:3;width:100%}
  .quick-info{order:4;width:100%}

  .board-frame{padding:10px;border-radius:18px}
  .board-heading{padding-bottom:8px}
  .board-heading h1{font-size:1.35rem}

  .meti-panel{
    grid-template-columns:92px minmax(0,1fr);
    padding:10px;
  }
  .meti-visual-wrap{min-height:100px}
  .meti-figure{width:88px;max-height:103px}
}

@media(max-width:520px){
  .workspace{padding:6px}
  .status-card{padding:8px 10px}
  .score-item{min-width:52px}
  .board-heading{display:none}
  .game-board{gap:4px;padding:7px;border-radius:15px}
  .column-indicators{gap:4px;padding-inline:7px}
  .control-panel{padding:10px;gap:8px}
  .control-group{padding:8px}
  .segmented-control button{font-size:.67rem}
  .difficulty-button{min-height:44px}
  .meti-panel{grid-template-columns:82px minmax(0,1fr)}
  .meti-figure{width:78px}
  .meti-message-card{padding:9px 10px}
  .meti-message-card strong{font-size:.80rem}
  .meti-message-card p{font-size:.69rem}
  .modal-card{padding:22px 17px}
  .result-meti-image{width:105px}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important;
  }
}


/* =========================================================
   HEDEF 4 - SADELEŞTİRİLMİŞ OYUN ALANI
   Board heading ve alt açıklama kaldırıldı.
   ========================================================= */
.board-frame{
  padding-top:14px;
  padding-bottom:14px;
}

.game-area{
  gap:10px;
}

@media(max-width:520px){
  .board-frame{
    padding-top:9px;
    padding-bottom:9px;
  }
}


/* =========================================================
   HEDEF 4 - METİ YAZI TURA SAHNESİ
   Yeni tur başlangıcında tahta ortasında 5 saniyelik kura.
   ========================================================= */

.board-section{
  isolation:isolate;
}

.coin-toss-overlay{
  position:absolute;
  z-index:20;
  left:50%;
  top:50%;
  width:min(62%, 430px);
  min-height:clamp(220px, 48%, 330px);
  transform:translate(-50%,-48%) scale(.96);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:clamp(12px,2vw,20px);
  border:1px solid rgba(255,255,255,.72);
  border-radius:24px;
  background:
    radial-gradient(circle at 50% 12%,rgba(255,255,255,.98),rgba(255,255,255,.92) 42%,rgba(244,249,252,.94));
  box-shadow:
    0 22px 55px rgba(17,50,94,.26),
    inset 0 0 0 1px rgba(36,99,235,.07);
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
}

.coin-toss-overlay.active{
  opacity:1;
  visibility:visible;
  transform:translate(-50%,-50%) scale(1);
}

.coin-toss-stage{
  width:100%;
  display:grid;
  grid-template-columns:minmax(84px,125px) minmax(90px,125px);
  grid-template-areas:
    "meti coin"
    "copy copy";
  justify-content:center;
  align-items:center;
  gap:8px 18px;
}

.coin-toss-meti{
  grid-area:meti;
  display:block;
  width:100%;
  max-height:150px;
  object-fit:contain;
  transform-origin:50% 100%;
  filter:drop-shadow(0 8px 16px rgba(111,36,238,.18));
}

.coin-toss-overlay.active .coin-toss-meti{
  animation:meti-toss-motion 1.15s ease-in-out 3;
}

.coin-scene{
  grid-area:coin;
  display:flex;
  justify-content:center;
  align-items:center;
  height:140px;
  perspective:800px;
}

.toss-coin{
  position:relative;
  width:88px;
  height:88px;
  transform-style:preserve-3d;
  transform:rotateY(0deg) translateY(0);
}

.coin-toss-overlay.spinning .toss-coin{
  animation:coin-flip 720ms cubic-bezier(.3,.65,.35,1) infinite;
}

.coin-toss-overlay.result-heads .toss-coin{
  transform:rotateY(0deg);
}

.coin-toss-overlay.result-tails .toss-coin{
  transform:rotateY(180deg);
}

.coin-face{
  position:absolute;
  inset:0;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  backface-visibility:hidden;
  -webkit-backface-visibility:hidden;
  border:5px solid #d28b16;
  border-radius:50%;
  color:#68400b;
  background:
    radial-gradient(circle at 34% 25%,#fff7b3 0 8%,#ffd95b 25%,#f4ad24 64%,#c77a0c 100%);
  box-shadow:
    inset -8px -10px 12px rgba(128,66,0,.18),
    inset 6px 6px 9px rgba(255,255,255,.45),
    0 10px 18px rgba(90,58,14,.20);
}

.coin-back{
  transform:rotateY(180deg);
}

.coin-symbol{
  font-size:2rem;
  line-height:1;
  font-weight:950;
}

.coin-face small{
  margin-top:4px;
  font-size:.58rem;
  font-weight:900;
  letter-spacing:.08em;
}

.coin-toss-copy{
  grid-area:copy;
  min-width:0;
  padding:10px 12px;
  text-align:center;
  border-radius:14px;
  background:#f0f4ff;
}

.coin-toss-copy strong{
  display:block;
  margin-bottom:3px;
  color:#222d72;
  font-size:.90rem;
}

.coin-toss-copy span{
  display:block;
  color:#5d6d79;
  font-size:.70rem;
  line-height:1.4;
}

.game-board.toss-locked{
  pointer-events:none;
}

@keyframes coin-flip{
  0%{
    transform:translateY(23px) rotateX(0deg) rotateY(0deg) scale(.88);
  }
  45%{
    transform:translateY(-54px) rotateX(540deg) rotateY(360deg) scale(1.06);
  }
  100%{
    transform:translateY(20px) rotateX(1080deg) rotateY(720deg) scale(.9);
  }
}

@keyframes meti-toss-motion{
  0%,100%{transform:translateY(0) rotate(0deg)}
  38%{transform:translateY(-7px) rotate(-3deg)}
  65%{transform:translateY(1px) rotate(2deg)}
}

@media(max-width:820px){
  .coin-toss-overlay{
    width:min(72%,390px);
    min-height:220px;
  }
}

@media(max-width:520px){
  .coin-toss-overlay{
    width:min(82%,330px);
    min-height:195px;
    border-radius:18px;
  }

  .coin-toss-stage{
    grid-template-columns:78px 92px;
    gap:5px 10px;
  }

  .coin-toss-meti{
    max-height:108px;
  }

  .coin-scene{
    height:105px;
  }

  .toss-coin{
    width:70px;
    height:70px;
  }

  .coin-symbol{
    font-size:1.55rem;
  }

  .coin-toss-copy{
    padding:8px 10px;
  }

  .coin-toss-copy strong{
    font-size:.80rem;
  }

  .coin-toss-copy span{
    font-size:.64rem;
  }
}

@media(prefers-reduced-motion:reduce){
  .coin-toss-overlay.spinning .toss-coin{
    animation-duration:.01ms!important;
  }
  .coin-toss-overlay.active .coin-toss-meti{
    animation:none!important;
  }
}


/* =========================================================
   HEDEF 4 - OYUNCU RENKLERİ HER ELDE DEĞİŞİR
   .colors-swapped olduğunda Oyuncu 1 sarı, Oyuncu 2 kırmızı.
   ========================================================= */

body.colors-swapped .status-disc.player-one{
  background:var(--p2);
}

body.colors-swapped .status-disc.player-two{
  background:var(--p1);
}

body.colors-swapped .cell.player-one::after{
  background:var(--p2);
}

body.colors-swapped .cell.player-two::after{
  background:var(--p1);
}

/* Meti seviyelerinde artık alt açıklama yok */
.difficulty-button > span:last-child{
  display:flex;
  align-items:center;
}

.difficulty-button strong{
  font-size:.76rem;
}

.difficulty-button small{
  display:none !important;
}