/* ═════════════════════════════════════════════
   THEME TOKENS
═════════════════════════════════════════════ */
[data-theme="dark"] {
    --bg:          #07040f;
    --surface:     rgba(255,255,255,0.045);
    --surface-h:   rgba(255,255,255,0.09);
    --glass:       rgba(18,8,38,0.72);
    --glass-deep:  rgba(10,5,22,0.88);
    --border:      rgba(200,155,60,0.18);
    --border-hi:   rgba(230,185,80,0.55);
    --text:        #f5ecd8;
    --text-m:      rgba(245,236,216,0.45);
    --text-f:      rgba(245,236,216,0.16);
    --nav-bg:      rgba(7,4,15,0.82);
    --shadow:      0 28px 90px rgba(0,0,0,0.75), 0 0 0 1px rgba(200,155,60,0.08);
    --ov-bg:       rgba(4,2,10,0.95);
    --footer-bg:   rgba(4,2,10,0.9);
    --orb-a: rgba(160,30,90,0.32);
    --orb-b: rgba(100,20,160,0.28);
    --orb-c: rgba(190,80,20,0.18);
    --orb-d: rgba(50,10,120,0.22);
}
[data-theme="light"] {
    --bg:          #fdf7ee;
    --surface:     rgba(255,255,255,0.78);
    --surface-h:   rgba(255,255,255,0.98);
    --glass:       rgba(255,248,235,0.85);
    --glass-deep:  rgba(255,250,240,0.94);
    --border:      rgba(160,110,25,0.2);
    --border-hi:   rgba(180,130,35,0.55);
    --text:        #180e02;
    --text-m:      rgba(24,14,2,0.48);
    --text-f:      rgba(24,14,2,0.18);
    --nav-bg:      rgba(253,247,238,0.9);
    --shadow:      0 16px 56px rgba(160,110,25,0.14), 0 0 0 1px rgba(160,110,25,0.1);
    --ov-bg:       rgba(253,247,238,0.96);
    --footer-bg:   rgba(26,14,2,0.96);
    --orb-a: rgba(220,160,50,0.13);
    --orb-b: rgba(200,120,40,0.1);
    --orb-c: rgba(240,180,70,0.09);
    --orb-d: rgba(180,100,20,0.08);
}

:root {
    --gold:    #d4a843;
    --gold-lt: #f0cc72;
    --gold-d:  rgba(212,168,67,0.55);
    --gold-f:  rgba(212,168,67,0.1);
    --xc:      #f0607e;
    --xg:      rgba(240,96,126,0.42);
    --oc:      #b06cf5;
    --og:      rgba(176,108,245,0.42);
    --r:       14px;
    --rl:      22px;
    --ease:    cubic-bezier(.4,0,.2,1);
    --spring:  cubic-bezier(.34,1.56,.64,1);
}

/* ═════════════════════════════════════════════
   BASE
═════════════════════════════════════════════ */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body {
    min-height: 100vh;
    background: var(--bg);
    font-family: 'Raleway', sans-serif;
    color: var(--text);
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
    transition: background .5s var(--ease), color .5s var(--ease);
}

/* ═════════════════════════════════════════════
   BACKGROUND — orbs + grain, ZERO grid
═════════════════════════════════════════════ */
.bg-scene {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}
.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
}
.orb-1 { width:750px;height:750px;top:-200px;left:-220px;background:var(--orb-a);animation:drift 24s ease-in-out infinite alternate; }
.orb-2 { width:600px;height:600px;bottom:-180px;right:-150px;background:var(--orb-b);animation:drift 30s ease-in-out infinite alternate-reverse; }
.orb-3 { width:500px;height:500px;top:35%;left:28%;background:var(--orb-c);animation:drift 19s ease-in-out infinite alternate;animation-delay:-7s; }
.orb-4 { width:320px;height:320px;top:65%;right:18%;background:var(--orb-d);animation:drift 15s ease-in-out infinite alternate-reverse;animation-delay:-3s; }
@keyframes drift{from{transform:translate(0,0) scale(1);}to{transform:translate(55px,38px) scale(1.14);}}

.noise-overlay {
    position: absolute;
    inset: 0;
    opacity: 0.3;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
    background-size: 200px 200px;
}

#particleCanvas {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

/* ═════════════════════════════════════════════
   HEADER
═════════════════════════════════════════════ */
.header {
    position: relative;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 36px;
    background: var(--nav-bg);
    backdrop-filter: blur(28px);
    border-bottom: 1px solid var(--border);
    transition: background .5s, border-color .5s;
}

.header-brand { display:flex;align-items:center;gap:14px; }

.brand-crown {
    font-size: 30px;
    color: var(--gold);
    text-shadow: 0 0 22px rgba(212,168,67,.55);
    animation: crownPulse 3.5s ease-in-out infinite;
    line-height: 1;
}
@keyframes crownPulse{0%,100%{transform:translateY(0) scale(1);}50%{transform:translateY(-3px) scale(1.06);}}
[data-theme="light"] .brand-crown{text-shadow:none;}

.brand-text{display:flex;flex-direction:column;gap:2px;}
.brand-main {
    font-family: 'Cinzel Decorative', serif;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 5px;
    color: var(--gold);
    text-shadow: 0 0 18px rgba(212,168,67,.4);
    line-height: 1;
}
.brand-sub {
    font-size: 9px;
    letter-spacing: 4px;
    font-weight: 500;
    color: var(--gold-d);
    text-transform: uppercase;
}
[data-theme="light"] .brand-main{text-shadow:none;}

.header-nav{display:flex;align-items:center;gap:10px;}

.ctrl-btn {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 8px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 30px;
    cursor: pointer;
    font-family: 'Raleway', sans-serif;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-m);
    transition: all .25s;
    backdrop-filter: blur(12px);
    white-space: nowrap;
}
.ctrl-btn:hover{border-color:var(--border-hi);color:var(--text);background:var(--surface-h);}
.ctrl-btn.active{border-color:var(--gold);color:var(--gold);background:var(--gold-f);}
.ctrl-icon{font-size:15px;line-height:1;}

/* Theme pill */
.theme-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 30px;
    cursor: pointer;
    transition: border-color .3s, background .3s;
    position: relative;
}
.theme-pill:hover{border-color:var(--gold);}
.th-icon{font-size:15px;line-height:1;transition:transform .4s var(--spring);}
.th-knob {
    width: 22px;height:22px;
    border-radius: 50%;
    background: linear-gradient(135deg,var(--gold),var(--gold-lt));
    box-shadow: 0 2px 10px rgba(212,168,67,.5);
    transition: transform .38s var(--spring);
}
[data-theme="light"] .th-knob{background:linear-gradient(135deg,#ff9a3c,#ffcc44);}

/* ═════════════════════════════════════════════
   ARENA
═════════════════════════════════════════════ */
.arena {
    position: relative;
    z-index: 10;
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 64px;
    padding: 52px 36px;
    max-width: 1040px;
    margin: 0 auto;
    width: 100%;
}

/* ═════════════════════════════════════════════
   BOARD
═════════════════════════════════════════════ */
.board-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Decorative corner brackets */
.deco-corner {
    position: absolute;
    width: 28px;height: 28px;
    border-color: var(--gold-d);
    border-style: solid;
    pointer-events: none;
    transition: border-color .5s;
    z-index: 2;
}
.dc-tl{top:-16px;left:-16px;border-width:2px 0 0 2px;}
.dc-tr{top:-16px;right:-16px;border-width:2px 2px 0 0;}
.dc-bl{bottom:-16px;left:-16px;border-width:0 0 2px 2px;}
.dc-br{bottom:-16px;right:-16px;border-width:0 2px 2px 0;}

/* Rotating rings */
.ring {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    border: 1px solid transparent;
}
.ring-a{width:460px;height:460px;border-color:rgba(212,168,67,.09);animation:spinRing 50s linear infinite;}
.ring-b{width:405px;height:405px;border-color:rgba(212,168,67,.06);animation:spinRing 34s linear infinite reverse;border-style:dashed;}
.ring-c{width:350px;height:350px;border-color:rgba(212,168,67,.04);animation:spinRing 22s linear infinite;}
@keyframes spinRing{to{transform:rotate(360deg);}}

/* Grid */
.grid {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: repeat(3, var(--cell));
    grid-template-rows:    repeat(3, var(--cell));
    background: var(--glass);
    backdrop-filter: blur(32px);
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,0.06);
    overflow: hidden;
    transition: box-shadow .5s, border-color .5s;
}
.grid.winner-X{border-color:rgba(240,96,126,.5);box-shadow:0 0 0 1px rgba(240,96,126,.12),var(--shadow);}
.grid.winner-O{border-color:rgba(176,108,245,.5);box-shadow:0 0 0 1px rgba(176,108,245,.12),var(--shadow);}
.grid.draw    {border-color:rgba(212,168,67,.5);box-shadow:0 0 0 1px rgba(212,168,67,.1),var(--shadow);}

/* Cells */
.cell {
    width: var(--cell); height: var(--cell);
    display:flex;align-items:center;justify-content:center;
    cursor:pointer;
    border:1px solid var(--border);
    position:relative;
    overflow:hidden;
    transition:background .2s;
}
.cell.bt-0{border-top:none;}
.cell.bl-0{border-left:none;}
.cell.br-0{border-right:none;}
.cell.bb-0{border-bottom:none;}
.cell.center{background:var(--gold-f);}
.cell:hover:not(.taken){background:rgba(212,168,67,.06);}
.cell.taken{cursor:default;}
.cell.win-flash{animation:winFlash .55s ease-in-out 3;}
@keyframes winFlash{0%,100%{background:transparent;}50%{background:rgba(212,168,67,.14);}}

/* Glow dot (hover) */
.glow-dot {
    position:absolute;
    inset:0;
    background:radial-gradient(circle at 50% 50%,rgba(212,168,67,.18) 0%,transparent 65%);
    opacity:0;
    transition:opacity .3s;
    pointer-events:none;
}
.cell:hover:not(.taken) .glow-dot{opacity:1;}

/* Symbols */
.sym {
    font-family: 'Cinzel Decorative', serif;
    font-size: 54px;
    font-weight: 900;
    line-height: 1;
    user-select: none;
    position: relative;
    z-index: 2;
}
.sym.pop{animation:symPop .3s var(--spring);}
@keyframes symPop{from{transform:scale(.08) rotate(-25deg);opacity:0;}to{transform:scale(1) rotate(0);opacity:1;}}
.sym[data-s="X"]{color:var(--xc);text-shadow:0 0 24px var(--xg),0 4px 18px rgba(0,0,0,.35);}
.sym[data-s="O"]{color:var(--oc);text-shadow:0 0 24px var(--og),0 4px 18px rgba(0,0,0,.35);}
[data-theme="light"] .sym[data-s="X"]{text-shadow:0 2px 12px rgba(240,96,126,.35);}
[data-theme="light"] .sym[data-s="O"]{text-shadow:0 2px 12px rgba(176,108,245,.35);}

/* ═════════════════════════════════════════════
   MODE SWITCHER
═════════════════════════════════════════════ */
.mode-switcher {
    display: flex;
    gap: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 4px;
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow);
    position: relative;
}

.mode-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 11px 10px;
    border: none;
    border-radius: 46px;
    background: transparent;
    color: var(--text-m);
    font-family: 'Cinzel', serif;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s var(--ease);
    position: relative;
    z-index: 1;
    white-space: nowrap;
}

.mode-btn .mode-icon { font-size: 15px; line-height: 1; }

.mode-btn.active {
    background: linear-gradient(135deg, rgba(212,168,67,0.22), rgba(212,168,67,0.08));
    color: var(--gold);
    box-shadow: inset 0 1px 0 rgba(212,168,67,0.15);
}

.mode-btn:hover:not(.active) {
    color: var(--text);
    background: var(--surface-h);
}

/* AI mode — O card gets robot tint */
body.ai-mode .o-card {
    border-top-color: rgba(212,168,67,0.4);
}
body.ai-mode #oLabel::after {
    content: ' 🤖';
    font-size: 11px;
}

/* Thinking indicator on turn card */
.thinking-dots {
    display: none;
    gap: 4px;
    align-items: center;
    margin-left: auto;
}
.thinking-dots span {
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--oc);
    animation: thinkBounce 0.8s ease-in-out infinite;
}
.thinking-dots span:nth-child(2) { animation-delay: 0.15s; }
.thinking-dots span:nth-child(3) { animation-delay: 0.30s; }
@keyframes thinkBounce {
    0%,100% { transform: translateY(0); opacity: 0.4; }
    50%      { transform: translateY(-5px); opacity: 1; }
}
.thinking-dots.show { display: flex; }

/* ═════════════════════════════════════════════
   PANEL
═════════════════════════════════════════════ */
.panel{display:flex;flex-direction:column;gap:18px;width:278px;}

.xo-logo{display:flex;align-items:center;gap:10px;padding:0 4px;}
.logo-x{font-family:'Cinzel Decorative',serif;font-size:50px;font-weight:900;line-height:1;color:var(--xc);text-shadow:0 0 20px var(--xg);}
.logo-o{font-family:'Cinzel Decorative',serif;font-size:50px;font-weight:900;line-height:1;color:var(--oc);text-shadow:0 0 20px var(--og);}
[data-theme="light"] .logo-x,[data-theme="light"] .logo-o{text-shadow:none;}

.logo-sep{flex:1;display:flex;align-items:center;gap:6px;justify-content:center;}
.sep-line{flex:1;height:1px;background:var(--gold-d);}
.sep-star{color:var(--gold);font-size:12px;}

/* Turn card */
.turn-card {
    display:flex;align-items:center;gap:14px;
    padding:16px 18px;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--rl);
    backdrop-filter:blur(18px);
    box-shadow:var(--shadow);
    transition:border-color .4s,box-shadow .4s,background .4s;
    position:relative;
    overflow:hidden;
}
.turn-card::before{
    content:'';
    position:absolute;top:0;left:0;right:0;height:1px;
    background:linear-gradient(90deg,transparent,var(--gold-d),transparent);
}
.turn-pulse {
    position:absolute;inset:-1px;
    border-radius:var(--rl);
    pointer-events:none;
    opacity:0;
    transition:opacity .4s;
}
.turn-card.ax .turn-pulse{background:radial-gradient(ellipse at left,rgba(240,96,126,.08),transparent 60%);opacity:1;}
.turn-card.ao .turn-pulse{background:radial-gradient(ellipse at left,rgba(176,108,245,.08),transparent 60%);opacity:1;}
.turn-card.ax{border-color:rgba(240,96,126,.4);box-shadow:0 0 32px rgba(240,96,126,.12),var(--shadow);}
.turn-card.ao{border-color:rgba(176,108,245,.4);box-shadow:0 0 32px rgba(176,108,245,.12),var(--shadow);}

.turn-sym{font-family:'Cinzel Decorative',serif;font-size:34px;font-weight:900;line-height:1;min-width:38px;text-align:center;transition:color .3s,text-shadow .3s;}
.turn-card.ax .turn-sym{color:var(--xc);text-shadow:0 0 14px var(--xg);}
.turn-card.ao .turn-sym{color:var(--oc);text-shadow:0 0 14px var(--og);}
[data-theme="light"] .turn-card.ax .turn-sym,[data-theme="light"] .turn-card.ao .turn-sym{text-shadow:none;}

.turn-detail{display:flex;flex-direction:column;gap:3px;}
.turn-label{font-size:7.5px;letter-spacing:3px;font-weight:600;color:var(--text-f);}
.turn-name{font-family:'Cinzel',serif;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--text);}

.turn-led{width:9px;height:9px;border-radius:50%;margin-left:auto;flex-shrink:0;animation:ledBlink 1.3s ease-in-out infinite;}
.turn-card.ax .turn-led{background:var(--xc);box-shadow:0 0 8px var(--xg);}
.turn-card.ao .turn-led{background:var(--oc);box-shadow:0 0 8px var(--og);}
@keyframes ledBlink{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.3;transform:scale(.6);}}

/* Score cards */
.scoreboard{display:flex;gap:8px;}
.sc-card {
    flex:1;
    display:flex;flex-direction:column;align-items:center;
    gap:7px;
    padding:15px 6px 12px;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--r);
    backdrop-filter:blur(14px);
    box-shadow:var(--shadow);
    position:relative;
    overflow:hidden;
    transition:border-color .4s,background .4s;
}
.x-card   {border-top:2px solid rgba(240,96,126,.3);}
.o-card   {border-top:2px solid rgba(176,108,245,.3);}
.draw-card{border-top:2px solid rgba(212,168,67,.3);}

.sc-sym{font-family:'Cinzel Decorative',serif;font-size:20px;font-weight:900;line-height:1;}
.x-sym   {color:var(--xc);text-shadow:0 0 10px var(--xg);}
.o-sym   {color:var(--oc);text-shadow:0 0 10px var(--og);}
.draw-sym{color:var(--gold);font-size:16px;}
[data-theme="light"] .x-sym,[data-theme="light"] .o-sym,[data-theme="light"] .draw-sym{text-shadow:none;}

.sc-tag{font-size:7px;letter-spacing:2px;font-weight:700;color:var(--text-m);}
.sc-val{font-family:'Cinzel Decorative',serif;font-size:28px;font-weight:900;color:var(--text);transition:color .3s;}
.sc-val.bump{animation:numBump .35s var(--spring);}
@keyframes numBump{0%{transform:scale(1);}50%{transform:scale(1.6);color:var(--gold);}100%{transform:scale(1);}}

.sc-track{width:100%;height:2px;background:rgba(255,255,255,.06);border-radius:2px;overflow:hidden;}
.sc-fill {height:100%;border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .7s var(--ease);}
.x-fill   {background:var(--xc);}
.o-fill   {background:var(--oc);}
.draw-fill{background:var(--gold);}

/* GIF box */
.gif-box {
    display:none;
    flex-direction:column;align-items:center;gap:10px;
    background:var(--surface);
    border:1px solid var(--border-hi);
    border-radius:var(--r);
    padding:14px;
    backdrop-filter:blur(14px);
    box-shadow:var(--shadow),0 0 32px rgba(212,168,67,.1);
    animation:slideUp .5s cubic-bezier(.22,1,.36,1);
}
.gif-box.show{display:flex;}
@keyframes slideUp{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:translateY(0);}}

.gif-ribbon{
    font-family:'Cinzel',serif;
    font-size:10px;font-weight:700;letter-spacing:3px;
    color:var(--gold);
    padding:5px 16px;
    border:1px solid var(--gold-d);
    border-radius:20px;
    background:var(--gold-f);
}
.gif-box img{width:100%;max-width:210px;border-radius:10px;border:1px solid var(--border-hi);display:block;}

/* Buttons */
.btn-row{display:flex;gap:10px;}
.btn-primary,.btn-ghost{
    flex:1;
    display:flex;align-items:center;justify-content:center;gap:9px;
    padding:15px 10px;
    border-radius:var(--r);
    font-family:'Cinzel',serif;
    font-size:10px;font-weight:700;letter-spacing:3px;
    cursor:pointer;
    transition:all .25s;
    backdrop-filter:blur(10px);
}
.btn-primary{
    background:linear-gradient(135deg,rgba(212,168,67,.2),rgba(212,168,67,.06));
    border:1px solid var(--gold-d);
    color:var(--gold);
    box-shadow:var(--shadow);
}
.btn-primary:hover{background:linear-gradient(135deg,rgba(212,168,67,.35),rgba(212,168,67,.14));border-color:var(--gold);box-shadow:0 0 28px rgba(212,168,67,.22),var(--shadow);transform:translateY(-2px);}
.btn-ghost{
    background:var(--surface);
    border:1px solid var(--border);
    color:var(--text-m);
}
.btn-ghost:hover{border-color:var(--border-hi);color:var(--text);transform:translateY(-2px);}
.btn-primary:active,.btn-ghost:active{transform:scale(.97);}
.bi{font-size:16px;transition:transform .4s;}
.btn-primary:hover .bi{transform:rotate(-180deg);}

/* ═════════════════════════════════════════════
   OVERLAY
═════════════════════════════════════════════ */
.overlay{display:none;position:fixed;inset:0;background:var(--ov-bg);backdrop-filter:blur(18px);z-index:1000;align-items:center;justify-content:center;transition:background .5s;}
.overlay.active{display:flex;}

#confettiCanvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;}

.ov-card {
    position:relative;z-index:2;
    display:flex;flex-direction:column;align-items:center;gap:16px;
    background:var(--glass-deep);
    border:1px solid var(--border);
    border-radius:28px;
    padding:62px 76px 52px;
    box-shadow:var(--shadow),0 0 80px rgba(212,168,67,.06);
    backdrop-filter:blur(44px);
    animation:cardIn .44s cubic-bezier(.22,1,.36,1);
    transition:background .5s;
}
.ov-card::before{content:'';position:absolute;top:0;left:12%;right:12%;height:1px;background:linear-gradient(90deg,transparent,var(--gold-d),transparent);}
@keyframes cardIn{from{transform:translateY(55px) scale(.9);opacity:0;}to{transform:translateY(0) scale(1);opacity:1;}}

.ov-card.win-x{border-color:rgba(240,96,126,.45);}
.ov-card.win-o{border-color:rgba(176,108,245,.45);}
.ov-card.draw {border-color:rgba(212,168,67,.45);}

.ov-close{position:absolute;top:16px;right:18px;background:none;border:none;color:var(--text-f);font-size:15px;cursor:pointer;padding:6px;border-radius:6px;transition:color .2s,background .2s;line-height:1;}
.ov-close:hover{color:var(--text);background:var(--surface);}

.ov-medal{font-size:70px;line-height:1;animation:medalSpin .65s var(--spring);}
@keyframes medalSpin{from{transform:scale(0) rotate(-200deg);opacity:0;}to{transform:scale(1) rotate(0);opacity:1;}}

.ov-title{font-family:'Cinzel Decorative',serif;font-size:22px;font-weight:900;letter-spacing:3px;color:var(--gold);text-shadow:0 0 24px rgba(212,168,67,.4);text-align:center;}
[data-theme="light"] .ov-title{text-shadow:none;color:#180e02;}

.ov-divider{display:flex;align-items:center;gap:10px;width:80px;}
.ov-divider span:not(.ov-star){flex:1;height:1px;background:var(--gold-d);}
.ov-star{color:var(--gold);font-size:11px;}

.ov-taunt{font-size:11px;font-weight:500;letter-spacing:3px;color:var(--text-m);text-align:center;}
.ov-btn{
    margin-top:8px;padding:16px 56px;
    background:linear-gradient(135deg,var(--gold),var(--gold-lt));
    border:none;border-radius:var(--r);
    color:#0d0901;
    font-family:'Cinzel',serif;font-size:11px;font-weight:700;letter-spacing:4px;
    cursor:pointer;
    box-shadow:0 8px 32px rgba(212,168,67,.45);
    transition:all .25s;
}
.ov-btn:hover{transform:translateY(-2px);box-shadow:0 14px 44px rgba(212,168,67,.6);}
.ov-btn:active{transform:scale(.98);}

/* ═════════════════════════════════════════════
   FOOTER — premium social card
═════════════════════════════════════════════ */
.footer {
    position: relative;
    z-index: 10;
    background: var(--footer-bg);
    border-top: 1px solid var(--border);
    backdrop-filter: blur(20px);
    transition: background .5s, border-color .5s;
}

.footer-inner {
    max-width: 1040px;
    margin: 0 auto;
    padding: 36px 36px 28px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}
.footer-crown {
    font-size: 22px;
    color: var(--gold);
    text-shadow: 0 0 14px rgba(212,168,67,.5);
}
.footer-title {
    font-family: 'Cinzel Decorative', serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 5px;
    color: var(--gold);
    text-shadow: 0 0 14px rgba(212,168,67,.35);
}
[data-theme="light"] .footer-crown,[data-theme="light"] .footer-title{text-shadow:none;}
[data-theme="light"] .footer-title{color:var(--gold);}

.footer-divider {
    width: 100%;
    max-width: 500px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-d), transparent);
}

.footer-copy {
    font-family: 'Cinzel', serif;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2px;
    color: rgba(212,168,67,.7);
}
[data-theme="light"] .footer-copy{color:var(--gold);}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 10px 6px;
}

.f-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    background: rgba(212,168,67,.08);
    border: 1px solid rgba(212,168,67,.18);
    border-radius: 30px;
    color: rgba(212,168,67,.75);
    text-decoration: none;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1.5px;
    transition: all .25s;
    white-space: nowrap;
}
.f-link:hover {
    background: rgba(212,168,67,.16);
    border-color: var(--gold);
    color: var(--gold);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(212,168,67,.2);
}
.f-link-icon {
    font-size: 13px;
    font-style: normal;
    font-family: 'Cinzel', serif;
    font-weight: 700;
}
.f-dot {
    color: var(--gold-d);
    font-size: 18px;
    line-height: 1;
}

.footer-credit {
    font-size: 9px;
    letter-spacing: 3px;
    font-weight: 600;
    color: rgba(212,168,67,.35);
}

/* ═════════════════════════════════════════════
   FLUID GRID — scales with viewport
═════════════════════════════════════════════ */

/* Cell size driven by a single custom property so everything scales together */
:root { --cell: 120px; }

.grid {
    grid-template-columns: repeat(3, var(--cell));
    grid-template-rows:    repeat(3, var(--cell));
}
.cell { width: var(--cell); height: var(--cell); }

/* ═════════════════════════════════════════════
   TABLET  ≤ 900px
═════════════════════════════════════════════ */
@media (max-width: 900px) {
    :root { --cell: 108px; }
    .arena  { gap: 40px; padding: 40px 28px; }
    .panel  { width: 260px; }
    .ring-a { width: 380px; height: 380px; }
    .ring-b { width: 335px; height: 335px; }
    .ring-c { width: 290px; height: 290px; }
}

/* ═════════════════════════════════════════════
   SMALL TABLET / LARGE PHONE  ≤ 768px
   Stack board above panel, fill full width
═════════════════════════════════════════════ */
@media (max-width: 768px) {
    /* Stack layout vertically */
    .arena {
        flex-direction: column;
        align-items: center;
        gap: 28px;
        padding: 28px 16px 32px;
    }

    /* Board fills width, panel fills width */
    .board-wrap { width: 100%; justify-content: center; }
    .panel      { width: 100%; max-width: 480px; }

    /* Grid: fill available space minus safe padding */
    :root { --cell: min(30vw, 108px); }
    .sym  { font-size: clamp(30px, 8vw, 48px); }

    /* Rings shrink to not overflow */
    .ring-a { width: min(320px, 90vw); height: min(320px, 90vw); }
    .ring-b { width: min(280px, 80vw); height: min(280px, 80vw); }
    .ring-c { width: min(240px, 70vw); height: min(240px, 70vw); }

    /* Header: compact */
    .header          { padding: 12px 16px; }
    .brand-main      { font-size: 12px; letter-spacing: 3px; }
    .brand-sub       { font-size: 8px; letter-spacing: 2.5px; }
    .ctrl-btn .ctrl-lbl { display: none; }

    /* Panel: logo + scores row */
    .xo-logo         { justify-content: center; }

    /* Overlay card */
    .ov-card  { padding: 48px 24px 38px; }
    .ov-title { font-size: 18px; }
    .ov-medal { font-size: 56px; }

    /* Footer */
    .footer-inner    { padding: 28px 20px 22px; }
    .f-dot           { display: none; }
    .footer-links    { gap: 8px; }
}

/* ═════════════════════════════════════════════
   PHONE  ≤ 480px
═════════════════════════════════════════════ */
@media (max-width: 480px) {
    /* Fluid grid cells — board = ~94% of viewport, 3 equal columns */
    :root { --cell: calc((min(100vw, 440px) - 32px) / 3); }

    .sym  { font-size: clamp(26px, 10vw, 42px); }
    .grid { border-radius: 14px; }

    /* Turn card: tighten */
    .turn-card   { padding: 12px 14px; gap: 10px; }
    .turn-sym    { font-size: 26px; min-width: 30px; }
    .turn-name   { font-size: 11px; }

    /* Scores: smaller numbers */
    .sc-val      { font-size: 22px; }
    .sc-sym      { font-size: 16px; }
    .sc-tag      { font-size: 6px; }
    .sc-card     { padding: 12px 4px 10px; }

    /* Buttons: stack */
    .btn-row     { flex-direction: column; }
    .btn-primary,
    .btn-ghost   { padding: 14px 10px; font-size: 9px; }

    /* X O logo: slightly smaller */
    .logo-x, .logo-o { font-size: 38px; }

    /* Header controls: icon-only */
    .ctrl-btn    { padding: 7px 10px; }
    .brand-crown { font-size: 22px; }

    /* Overlay */
    .ov-card     { padding: 44px 18px 34px; border-radius: 18px; }
    .ov-title    { font-size: 16px; letter-spacing: 2px; }
    .ov-medal    { font-size: 50px; }
    .ov-btn      { padding: 14px 32px; font-size: 10px; letter-spacing: 3px; }

    /* Rings: hide on very small screens to avoid overflow bleed */
    .ring-a, .ring-b, .ring-c { display: none; }

    /* Footer: compact */
    .footer-inner { padding: 22px 14px 18px; gap: 12px; }
    .footer-title { font-size: 9px; letter-spacing: 3px; }
    .f-link       { padding: 6px 12px; font-size: 9px; }
    .footer-credit{ font-size: 8px; }
}

/* ═════════════════════════════════════════════
   VERY SMALL PHONE  ≤ 360px
═════════════════════════════════════════════ */
@media (max-width: 360px) {
    :root { --cell: calc((100vw - 24px) / 3); }

    .sym          { font-size: clamp(22px, 9vw, 36px); }
    .brand-main   { font-size: 10px; letter-spacing: 2px; }
    .xo-logo      { gap: 6px; }
    .logo-x, .logo-o { font-size: 30px; }
    .ov-card      { padding: 38px 14px 30px; }
    .ov-title     { font-size: 14px; }
    .arena        { padding: 20px 10px 24px; gap: 20px; }
}

/* ═════════════════════════════════════════════
   LANDSCAPE PHONE  — short viewport, side-by-side
═════════════════════════════════════════════ */
@media (max-height: 500px) and (orientation: landscape) {
    .arena {
        flex-direction: row;
        align-items: flex-start;
        gap: 20px;
        padding: 12px 16px;
        overflow-y: auto;
    }

    :root { --cell: calc((100vh - 80px) / 3); }

    .board-wrap { flex-shrink: 0; }
    .panel      { width: auto; min-width: 200px; max-width: 280px; gap: 10px; }

    .xo-logo    { display: none; }
    .ring-a, .ring-b, .ring-c { display: none; }

    .turn-card  { padding: 10px 12px; }
    .sc-card    { padding: 8px 4px; }
    .sc-val     { font-size: 20px; }
    .gif-box    { display: none !important; }

    .btn-row    { flex-direction: row; }
}