@import"https://fonts.googleapis.com/css2?family=Outfit:wght@400;600;700&display=swap";:root{--background: #0b1326;--surface: #0b1326;--surface-container-lowest: #060e20;--surface-container-low: #131b2e;--surface-container: #171f33;--surface-container-high: #222a3d;--surface-container-highest: #2d3449;--on-surface: #dae2fd;--on-surface-variant: #bbc9cd;--outline: #859397;--outline-variant: #3c494c;--primary: #8aebff;--primary-strong: #22d3ee;--on-primary: #00363e;--secondary: #ffb2b9;--secondary-container: #891933;--on-secondary-container: #ff97a3;--error: #ffb4ab;--shadow-primary: rgba(138, 235, 255, .3);--shadow-secondary: rgba(255, 178, 185, .22);--font: "Outfit", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--radius-xl: .75rem;--radius-2xl: 1rem;--radius-3xl: 1.5rem;--radius-full: 9999px;--container-padding: 24px;--gap-sm: 8px;--gap-md: 16px;--gap-lg: 32px;--grid-gap: 12px;--transition: .16s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{min-height:100%;font-size:16px;-webkit-text-size-adjust:100%}body{min-height:100dvh;background:radial-gradient(circle at 16% 16%,rgba(255,178,185,.16),transparent 24vw),radial-gradient(circle at 84% 12%,rgba(138,235,255,.15),transparent 26vw),radial-gradient(circle at 50% 108%,rgba(34,211,238,.1),transparent 42vw),linear-gradient(180deg,#050817,#0b1326 52%,#060915);color:var(--on-surface);font-family:var(--font);overflow-x:hidden}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}.btn:disabled,input:disabled{opacity:.7}#app{min-height:100dvh}.screen{position:relative;isolation:isolate;width:100%;min-height:100dvh;overflow:hidden;animation:screenFadeIn .22s ease}.screen:before,.screen:after{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none}.screen:before{background:linear-gradient(rgba(138,235,255,.032) 1px,transparent 1px),linear-gradient(90deg,rgba(138,235,255,.026) 1px,transparent 1px);background-size:48px 48px,48px 48px;mask-image:linear-gradient(180deg,transparent 0%,black 12%,black 78%,transparent 100%)}.screen:after{background:radial-gradient(circle at 14% 28%,rgba(218,226,253,.18) 0 1px,transparent 1.5px),radial-gradient(circle at 28% 72%,rgba(138,235,255,.16) 0 1px,transparent 1.5px),radial-gradient(circle at 74% 34%,rgba(255,178,185,.16) 0 1px,transparent 1.5px),radial-gradient(circle at 86% 78%,rgba(218,226,253,.14) 0 1px,transparent 1.5px),radial-gradient(circle at 50% 48%,rgba(255,255,255,.055),transparent 32vw);background-size:180px 180px,220px 220px,190px 190px,240px 240px,auto;opacity:.8}@keyframes screenFadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.ambient{position:fixed;z-index:-1;pointer-events:none;width:min(60vw,420px);height:min(45vw,360px);border-radius:9999px;filter:blur(120px);opacity:.11}.ambient-primary{top:-12%;right:-15%;background:var(--primary)}.ambient-secondary{bottom:-12%;left:-18%;background:var(--secondary)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.btn{min-height:44px;border:0;display:inline-flex;align-items:center;justify-content:center;font-weight:700;text-transform:uppercase;transition:transform var(--transition),background var(--transition),color var(--transition),box-shadow var(--transition)}.icon{width:1em;height:1em;display:block;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:2.25}.btn:focus-visible,input:focus-visible,.cell:focus-visible{outline:2px solid var(--primary);outline-offset:3px}.btn-primary{width:min(70%,260px);min-height:56px;border-radius:var(--radius-full);background:var(--primary);color:var(--on-primary);font-size:1.125rem;box-shadow:0 20px 40px -12px var(--shadow-primary)}.btn-primary:hover:not(:disabled){background:#a2eeff}.btn-secondary{width:min(70%,260px);min-height:52px;border-radius:var(--radius-full);background:var(--surface-container-highest);color:var(--on-surface-variant);font-size:.95rem}.btn-fab{width:56px;height:56px;border-radius:var(--radius-full);background:var(--primary);color:var(--on-primary);font-size:1.75rem;line-height:1;box-shadow:0 20px 40px -10px var(--shadow-primary)}.btn-ghost{min-height:36px;border-radius:var(--radius-full);background:transparent;color:var(--on-surface-variant);font-size:.72rem;letter-spacing:.08em;padding:.4rem .75rem}.btn-ghost:hover:not(:disabled){color:var(--primary)}.setup-screen{height:var(--visual-viewport-height, 100dvh);min-height:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--gap-lg) var(--container-padding);overflow-y:auto;overscroll-behavior:contain;scroll-padding-block:var(--gap-lg);animation:none}.setup-identity{width:100%;max-width:420px;text-align:center;margin-bottom:var(--gap-lg)}.online-lobby .setup-identity,.online-lobby .room-code-card,.online-lobby .lobby-disclaimer{width:100%;max-width:360px}.game-title{color:var(--primary);font-size:clamp(2.65rem,12vw,5.25rem);font-weight:700;line-height:.92;letter-spacing:-.08em;text-transform:uppercase;text-shadow:0 0 22px rgba(138,235,255,.18),0 18px 44px rgba(0,0,0,.35)}.subtitle{margin-top:var(--gap-md);color:var(--on-surface-variant);font-size:.875rem;letter-spacing:.08em;text-transform:uppercase}.setup-form{width:100%;max-width:420px;display:flex;flex-direction:column;align-items:center;gap:var(--gap-md)}.mode-tabs,.online-switch{width:100%;max-width:420px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap-sm);margin-bottom:24px}.online-switch{margin-bottom:26px}.mode-tab{min-height:44px;border-radius:var(--radius-full);border:1px solid rgba(138,235,255,.1);background:#131b2edb;color:var(--on-surface-variant);font-size:.78rem;letter-spacing:.08em;box-shadow:inset 0 1px #ffffff06,0 16px 34px -30px #000000d9}.mode-tab:hover:not(:disabled):not(.active){border-color:#8aebff33;background:#171f33f5;color:var(--on-surface)}.mode-tab.active{border-color:transparent;background:var(--primary);color:var(--on-primary);box-shadow:0 16px 32px -18px var(--shadow-primary)}.mode-tab:disabled{opacity:.45}.setup-message,.online-status{width:100%;max-width:420px;color:var(--on-surface-variant);font-size:.82rem;text-align:center}.setup-message{margin:calc(var(--gap-sm) * -1) 0 var(--gap-md)}.online-status{grid-column:2;grid-row:3;justify-self:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.room-code-card{width:min(100%,360px);border-radius:var(--radius-2xl);background:var(--surface-container-low);color:var(--primary);font-size:clamp(2rem,12vw,3.25rem);font-weight:700;letter-spacing:.16em;padding:var(--gap-lg) var(--gap-md);text-align:center;box-shadow:inset 0 -2px #8aebff33;margin-bottom:var(--gap-lg)}.lobby-disclaimer{width:min(100%,360px);border:1px solid rgba(60,73,76,.55);border-radius:var(--radius-2xl);background:#131b2ec7;color:var(--on-surface-variant);display:flex;flex-direction:column;gap:6px;font-size:.9rem;line-height:1.45;margin-bottom:var(--gap-lg);padding:var(--gap-md);text-align:center}.lobby-disclaimer strong{color:var(--primary)}.room-code-input{letter-spacing:.08em;text-transform:uppercase}.field{width:100%}.player-input{position:relative}.input-mark{position:absolute;left:18px;top:28px;z-index:1;transform:translateY(-50%);font-size:2.25rem;font-weight:400;line-height:1}.input-mark .mark-icon{width:1em;height:1em}.mark-X,.mark-X.input-mark{color:var(--primary)}.mark-O,.mark-O.input-mark{color:var(--secondary)}.field input{width:100%;min-height:54px;border:1px solid rgba(138,235,255,.12);border-radius:var(--radius-xl);background:#131b2ef0;color:var(--on-surface);font-size:16px;padding:0 24px 0 64px;box-shadow:0 18px 40px -28px #000000e6,inset 0 1px #ffffff09;transition:box-shadow var(--transition),background var(--transition)}.field input::placeholder{color:var(--on-surface-variant)}.field input:focus{background:#171f33fa;outline:none;box-shadow:0 18px 44px -24px #000000f2,0 0 0 2px var(--primary),inset 0 1px #ffffff0d}.player-input-o input:focus{box-shadow:0 18px 44px -24px #000000f2,0 0 0 2px var(--secondary),inset 0 1px #ffffff0d}.field-error{display:block;width:100%;min-height:1rem;padding:4px 8px 0;color:var(--error);font-size:.75rem;text-align:left}.field-error:empty{display:none}.setup-actions{width:100%;display:flex;flex-direction:column;align-items:center;gap:var(--gap-md);margin-top:10px}.game-screen{display:flex;flex-direction:column;align-items:center;justify-content:space-between;gap:var(--gap-lg);padding:56px var(--container-padding) 32px}.game-header{width:100%;max-width:420px;display:grid;grid-template-columns:44px minmax(0,1fr);grid-template-rows:auto auto;align-items:center;column-gap:var(--gap-md);gap:var(--gap-sm)}.btn-back{grid-column:1;grid-row:1 / span 2;width:44px;height:44px;border-radius:var(--radius-full);background:transparent;color:var(--on-surface-variant);font-size:2rem;line-height:1}.btn-back:hover{color:var(--primary)}.turn-indicator{grid-column:2;grid-row:1;min-height:32px;display:flex;align-items:center;justify-content:center;width:100%;min-width:0;max-width:100%;color:var(--primary);font-size:clamp(1rem,5vw,1.5rem);font-weight:700;letter-spacing:.12em;text-transform:uppercase;white-space:nowrap}.turn-indicator .turn-name:only-child{margin-right:0}.turn-prefix{flex:0 0 auto;margin-right:.35em}.turn-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.turn-indicator.mark-O{color:var(--secondary)}.turn-underline{grid-column:2;grid-row:2;justify-self:center;width:48px;height:4px;border-radius:var(--radius-full);background:currentColor;color:var(--primary);opacity:.5}.turn-indicator.mark-O+.turn-underline{color:var(--secondary)}.board{width:100%;max-width:min(420px,calc(100vw - 48px));aspect-ratio:1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-template-rows:repeat(3,minmax(0,1fr));gap:var(--grid-gap)}.cell{min-width:0;width:100%;height:100%;min-height:44px;border:1px solid rgba(138,235,255,.08);border-radius:var(--radius-xl);background:#171f33f5;color:transparent;display:flex;align-items:center;justify-content:center;font-size:clamp(3rem,18vw,4.5rem);font-weight:400;line-height:1;box-shadow:0 18px 38px -32px #000000f2,inset 0 1px #ffffff09;transition:transform var(--transition),background var(--transition),box-shadow var(--transition)}.cell .mark-icon{width:.82em;height:.82em}.cell:hover:not(:disabled){border-color:#8aebff2e;background:#222a3dfa}.cell:active:not(:disabled){transform:none}.cell:disabled{cursor:default}.cell.mark-X{color:var(--primary);animation:markPop .18s ease}.cell.mark-O{color:var(--secondary);animation:markPop .18s ease}.cell.win-cell{background:#222a3dfa;box-shadow:inset 0 -3px 0 var(--primary),0 0 26px #8aebff29,0 18px 38px -32px #000000f2}@keyframes markPop{0%{opacity:.35;transform:scale(.68)}to{opacity:1;transform:scale(1)}}.game-footer{width:100%;max-width:420px;display:flex;flex-direction:column;gap:var(--gap-lg)}.score-row{display:flex;align-items:center;gap:var(--gap-md)}.score-card{position:relative;flex:1;min-width:0;min-height:74px;border-radius:var(--radius-xl);background:var(--surface-container-low);padding:var(--gap-md) 48px var(--gap-md) var(--gap-md);display:flex;align-items:center;justify-content:center;text-align:center;transition:box-shadow var(--transition),transform var(--transition)}.score-card.active{box-shadow:inset 0 -2px 0 var(--primary)}.score-card-o.active{box-shadow:inset 0 -2px 0 var(--secondary-container)}.score-label{display:block;color:var(--on-surface-variant);font-size:clamp(.95rem,3.8vw,1.15rem);font-weight:700;letter-spacing:.03em;overflow:hidden;text-overflow:ellipsis;text-transform:uppercase;white-space:nowrap}.score-mark{position:absolute;right:16px;top:50%;transform:translateY(-50%);font-size:1.65rem;line-height:1}.score-mark .mark-icon{width:1em;height:1em}.vs-label{color:var(--outline);font-size:.72rem;font-weight:700;opacity:.35;text-transform:uppercase}.game-actions{display:flex;align-items:center;justify-content:center;gap:var(--gap-md);flex-wrap:wrap}.modal{position:fixed;inset:0;z-index:20;display:flex;align-items:center;justify-content:center;padding:var(--container-padding);background:radial-gradient(circle at 50% 42%,rgba(138,235,255,.12),transparent 30vw),#050814d1;backdrop-filter:blur(12px)}.modal.hidden{display:none}.modal.visible{animation:modalFadeIn .22s ease}@keyframes modalFadeIn{0%{opacity:0}to{opacity:1}}.modal-content{position:relative;overflow:hidden;width:100%;max-width:380px;border:1px solid rgba(138,235,255,.16);border-radius:var(--radius-3xl);background:linear-gradient(180deg,#171f33fa,#0b1326f5),var(--surface-container-low);box-shadow:0 28px 80px #0000007a,inset 0 1px #ffffff0a;display:flex;flex-direction:column;align-items:center;gap:var(--gap-md);padding:var(--gap-lg);text-align:center}.modal-content:before{content:"";position:absolute;inset:-1px;pointer-events:none;background:radial-gradient(circle at 50% -16%,rgba(138,235,255,.2),transparent 40%),linear-gradient(90deg,transparent,rgba(255,255,255,.04),transparent)}.modal-icon{position:relative;z-index:1;width:74px;height:74px;border:1px solid rgba(138,235,255,.18);border-radius:28px;background:#8aebff14;color:var(--primary);display:grid;place-items:center;box-shadow:0 18px 46px -24px var(--shadow-primary);animation:trophyIn .36s ease}.modal-result-icon{width:42px;height:42px;stroke-width:1.9}.modal-loss .modal-icon{border-color:#ffb2b938;background:#ffb2b914;color:var(--secondary);box-shadow:0 18px 46px -24px var(--shadow-secondary)}.modal-draw .modal-icon{border-color:#dae2fd2e;background:#dae2fd0f;color:var(--on-surface);box-shadow:0 18px 46px -24px #dae2fd2e}@keyframes trophyIn{0%{opacity:0;transform:translateY(10px) scale(.82)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-title{position:relative;z-index:1;color:var(--primary);font-size:clamp(1.5rem,7vw,2rem);font-weight:700;line-height:1.2;letter-spacing:.03em;text-transform:uppercase}.modal-loss .modal-title{color:var(--secondary)}.modal-draw .modal-title{color:var(--on-surface)}.modal-copy{position:relative;z-index:1;max-width:28ch;color:var(--on-surface-variant);font-size:.92rem;line-height:1.45}.modal-actions{position:relative;z-index:1;width:100%;display:flex;flex-direction:row;justify-content:center;align-items:center;gap:var(--gap-md);margin-top:var(--gap-sm)}.modal-action-btn{width:58px;height:58px;border-radius:var(--radius-full)}.modal-action-btn .icon{width:1.45rem;height:1.45rem}.modal-action-primary{background:var(--primary);color:var(--on-primary);box-shadow:0 20px 42px -18px var(--shadow-primary)}.modal-action-primary:hover:not(:disabled){background:#a2eeff}.modal-action-secondary{border:1px solid rgba(218,226,253,.12);background:#2d3449eb;color:var(--on-surface);box-shadow:0 18px 38px -24px #000c}.modal-action-secondary:hover:not(:disabled){background:#3d455ef5}@media(max-width:380px){:root{--container-padding: 16px;--grid-gap: 9px}.setup-screen{padding-block:24px}.setup-form{gap:12px}.game-screen{padding-block:40px 24px}.score-row{gap:10px}.score-card{padding:12px 8px}}@media(max-width:699px),(max-height:620px){.setup-screen{justify-content:flex-start;padding-block:max(24px,env(safe-area-inset-top)) max(24px,env(safe-area-inset-bottom))}.setup-identity{margin-bottom:24px}.mode-tabs,.online-switch{margin-bottom:16px}}@media(min-width:700px){.setup-screen,.game-screen{justify-content:center}.game-screen{gap:44px}.board{max-width:430px}}