:root{--c-ink: #0f0f0f;--c-paper: #f5f0e6;--c-paper-raised: #ffffff;--c-yellow: #ffe100;--c-pink: #ff3b6b;--c-blue: #2f5dff;--c-green: #00c853;--border-w: 4px;--border-w-lg: 6px;--shadow-sm: 3px 3px 0 var(--c-ink);--shadow-md: 6px 6px 0 var(--c-ink);--shadow-lg: 10px 10px 0 var(--c-ink);--font-display: "Arial Black", "Helvetica Neue", Impact, ui-sans-serif, system-ui, sans-serif;--font-body: ui-sans-serif, system-ui, "Segoe UI", Roboto, sans-serif;--space-1: .25rem;--space-2: .5rem;--space-3: 1rem;--space-4: 1.5rem;--space-5: 2.5rem;color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--c-paper);background-image:radial-gradient(var(--c-ink) 1px,transparent 1px);background-size:22px 22px;color:var(--c-ink);font-family:var(--font-body);-webkit-tap-highlight-color:transparent}button{font-family:inherit}.brutal-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);font-family:var(--font-display);font-weight:900;text-transform:uppercase;letter-spacing:.02em;font-size:1rem;color:var(--c-ink);background:var(--c-paper-raised);border:var(--border-w) solid var(--c-ink);box-shadow:var(--shadow-md);padding:.85rem 1.25rem;cursor:pointer;transition:transform .08s ease,box-shadow .08s ease;touch-action:manipulation}.brutal-btn:active{transform:translate(4px,4px);box-shadow:2px 2px 0 var(--c-ink)}.brutal-btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:var(--shadow-md)}.brutal-btn--accent{background:var(--c-yellow)}.brutal-btn--pink{background:var(--c-pink);color:var(--c-paper-raised)}.brutal-btn--block{width:100%}.brutal-panel{background:var(--c-paper-raised);border:var(--border-w) solid var(--c-ink);box-shadow:var(--shadow-lg);padding:var(--space-4)}.brutal-title{font-family:var(--font-display);font-weight:900;text-transform:uppercase;letter-spacing:-.02em;line-height:.95;margin:0}.brutal-input{font-family:var(--font-body);font-weight:700;font-size:1.1rem;border:var(--border-w) solid var(--c-ink);background:var(--c-paper-raised);padding:.75rem;width:100%}.brutal-input:focus{outline:3px solid var(--c-blue);outline-offset:2px}.piece-editor__title{font-size:1.4rem;margin:0 0 var(--space-3)}.piece-editor__preview-row{display:flex;align-items:center;justify-content:center;gap:var(--space-2);margin:0 0 var(--space-3)}.piece-editor__preview{display:flex;align-items:center;justify-content:center;width:4.5rem;height:4.5rem;border:var(--border-w) solid var(--c-ink);background:var(--c-yellow);box-shadow:var(--shadow-sm)}.piece-editor__preview-input{font-size:2.25rem;line-height:1;text-align:center;padding:0;font-family:inherit;color:var(--c-ink);caret-color:var(--c-ink)}.piece-editor__preview-input:focus{outline:3px solid var(--c-blue);outline-offset:2px}.piece-preview{font-size:2.25rem;line-height:1}.piece-preview--image{width:100%;height:100%;object-fit:cover}.piece-editor__tabs{display:flex;gap:var(--space-2);margin-bottom:var(--space-3)}.piece-editor__tab{flex:1;font-family:var(--font-display);font-weight:900;text-transform:uppercase;font-size:.85rem;padding:.6rem;border:var(--border-w) solid var(--c-ink);background:var(--c-paper);cursor:pointer}.piece-editor__tab--active{background:var(--c-ink);color:var(--c-paper-raised)}.piece-editor__random-btn{flex:0 0 auto;display:flex;align-items:center;justify-content:center;padding:.6rem .85rem;font-size:1.2rem;background:var(--c-yellow);border:var(--border-w) solid var(--c-ink);cursor:pointer}.piece-editor__random-btn:active{transform:translate(2px,2px)}.piece-editor__panel{display:flex;flex-direction:column;gap:var(--space-2)}.piece-editor__emoji-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-2)}@media(min-width:768px){.piece-editor__emoji-grid{grid-template-columns:repeat(8,1fr)}}.piece-editor__emoji-btn{font-size:1.5rem;padding:.5rem 0;border:var(--border-w) solid var(--c-ink);background:var(--c-paper-raised);cursor:pointer}.piece-editor__emoji-btn--active{background:var(--c-yellow);box-shadow:var(--shadow-sm)}.piece-editor__hint{font-size:.8rem;margin:0;opacity:.75}.piece-editor__error{font-size:.85rem;font-weight:700;color:var(--c-pink);margin:0}.footer{margin-top:var(--space-4);width:100%}.footer__bar{display:flex;align-items:center;justify-content:center;gap:var(--space-2);padding-top:var(--space-3);border-top:3px solid var(--c-ink)}.footer__icon-btn{display:flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;flex-shrink:0;font-weight:900;font-size:1.1rem;color:var(--c-ink);text-decoration:none;background:var(--c-paper-raised);border:3px solid var(--c-ink);cursor:pointer}.footer__credit{font-size:.8rem;font-weight:700;color:var(--c-ink);text-decoration:none}.footer__lang-btn{width:auto;height:auto;min-width:1.75rem;padding:.15rem .35rem;font-size:.65rem;font-weight:700;border-width:1px;opacity:.6}.footer__about-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f0f0f99;display:flex;align-items:flex-end;justify-content:center;padding:var(--space-3);z-index:30}.footer__about-panel{position:relative;width:100%;max-width:24rem;margin-bottom:var(--space-3)}.footer__about-close{position:absolute;top:-.9rem;right:-.9rem;width:2rem;height:2rem;display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:900;line-height:1;background:var(--c-yellow);border:3px solid var(--c-ink);box-shadow:var(--shadow-sm);cursor:pointer}.footer__about-text{margin:0 0 var(--space-2);font-weight:600}.footer__about-link{font-weight:700;color:var(--c-ink)}.install-prompt{display:flex;align-items:stretch;gap:var(--space-2);width:100%}.install-prompt__btn{flex:1 1 auto;padding:.5rem .75rem;font-size:.8rem;font-weight:800;text-align:left;color:var(--c-ink);background:var(--c-paper-raised);border:3px solid var(--c-ink);cursor:pointer}.install-prompt__dismiss{display:flex;align-items:center;justify-content:center;width:2.1rem;flex-shrink:0;font-weight:900;font-size:1rem;color:var(--c-ink);background:var(--c-paper-raised);border:3px solid var(--c-ink);cursor:pointer}.home-screen{display:flex;flex-direction:column;align-items:center;justify-content:space-evenly;height:100dvh;overflow:hidden;padding:var(--space-3);max-width:28rem;margin:0 auto}.home-screen__title{font-size:clamp(3.25rem,min(19vw,12vh),6.5rem);text-align:center;margin:0}.home-screen__piece{display:flex;flex-direction:column;align-items:center;gap:var(--space-2);background:none;border:none;cursor:pointer}.home-screen__piece .piece-preview{display:flex;align-items:center;justify-content:center;width:clamp(5rem,18vh,8rem);height:clamp(5rem,18vh,8rem);font-size:clamp(2.5rem,9vh,4rem);background:var(--c-yellow);border:var(--border-w-lg) solid var(--c-ink);box-shadow:var(--shadow-md)}.home-screen__piece-label{font-weight:700;font-size:.9rem}.home-screen__actions{width:100%;display:flex;flex-direction:column;gap:var(--space-2)}.home-screen__cta{font-size:1.15rem;padding:.9rem}.game-config__title{font-size:1.4rem;margin:0 0 var(--space-3)}.game-config__field{display:flex;flex-direction:column;gap:var(--space-1);margin-bottom:var(--space-3)}.game-config__label{font-weight:700;font-size:.95rem}.game-config__field input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:10px;background:var(--c-paper);border:var(--border-w) solid var(--c-ink);cursor:pointer}.game-config__field input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:26px;height:26px;background:var(--c-yellow);border:var(--border-w) solid var(--c-ink);box-shadow:var(--shadow-sm);cursor:pointer}.game-config__field input[type=range]::-moz-range-thumb{width:26px;height:26px;background:var(--c-yellow);border:var(--border-w) solid var(--c-ink);box-shadow:var(--shadow-sm);cursor:pointer;border-radius:0}.game-config__size-options{display:flex;gap:var(--space-2);flex-wrap:wrap}.game-config__size-btn{flex:1;min-width:3.5rem;font-family:var(--font-display);font-weight:900;font-size:.85rem;padding:.6rem .25rem;border:var(--border-w) solid var(--c-ink);background:var(--c-paper-raised);cursor:pointer}.game-config__size-btn--active{background:var(--c-yellow);box-shadow:var(--shadow-sm);transform:translate(-2px,-2px)}.difficulty-selector__title{font-size:1.4rem;margin:0 0 var(--space-3)}.difficulty-selector__options{display:flex;gap:var(--space-2)}.difficulty-selector__btn{flex:1;font-family:var(--font-display);font-weight:900;text-transform:uppercase;font-size:.9rem;padding:.75rem .25rem;border:var(--border-w) solid var(--c-ink);background:var(--c-paper-raised);cursor:pointer}.difficulty-selector__btn--active.difficulty-selector__btn--easy{background:var(--c-green)}.difficulty-selector__btn--active.difficulty-selector__btn--medium{background:var(--c-yellow)}.difficulty-selector__btn--active.difficulty-selector__btn--hard{background:var(--c-pink);color:var(--c-paper-raised)}.difficulty-selector__btn--active{box-shadow:var(--shadow-sm);transform:translate(-2px,-2px)}.cell{aspect-ratio:1;display:flex;align-items:center;justify-content:center;background:var(--c-paper-raised);border:3px solid var(--c-ink);padding:0;cursor:pointer;min-width:0;min-height:0;overflow:hidden;font-size:calc(var(--cell-size, 2.5rem) * .55);line-height:1;touch-action:manipulation;color:var(--c-ink);opacity:1;-webkit-text-fill-color:var(--c-ink)}.cell:disabled{cursor:default;color:var(--c-ink);opacity:1;-webkit-text-fill-color:var(--c-ink)}.cell:not(:disabled):hover{background:var(--c-yellow)}.cell--filled{cursor:default}.cell--winning{background:var(--c-green)}.cell .piece-preview{font-size:inherit}.cell .piece-preview--image{width:72%;height:72%}.board{--cell-size: clamp(2.35rem, 9vw, 3rem);display:grid;grid-template-columns:repeat(var(--cols),var(--cell-size));grid-auto-rows:var(--cell-size);gap:3px;width:max-content;margin:0 auto;border:var(--border-w-lg) solid var(--c-ink);box-shadow:var(--shadow-lg);background:var(--c-ink)}@media(min-width:768px){.board{--cell-size: clamp(2.75rem, 5vw, 4.25rem)}}.game-over-bar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);flex-wrap:wrap;width:100%}.game-over-bar__headline{font-family:var(--font-display);font-weight:900;text-transform:uppercase;font-size:1.4rem;margin:0;padding:.3rem .75rem;border:var(--border-w) solid var(--c-ink);background:var(--c-paper-raised);box-shadow:var(--shadow-sm)}.game-over-bar--win .game-over-bar__headline{background:var(--c-green)}.game-over-bar--lose .game-over-bar__headline{background:var(--c-pink)}.game-over-bar__actions{display:flex;gap:var(--space-2)}.game-over-bar__btn{padding:.5rem .85rem;font-size:.8rem}.online-lobby{text-align:center;max-width:26rem;margin:0 auto}.online-lobby__cancel{margin-bottom:var(--space-3)}.online-lobby__spinner{width:3rem;height:3rem;margin:0 auto var(--space-3);background:var(--c-yellow);border:var(--border-w) solid var(--c-ink);animation:spin .9s steps(8) infinite}@keyframes spin{to{transform:rotate(360deg)}}.online-lobby__status{font-family:var(--font-display);font-weight:900;text-transform:uppercase;font-size:1.1rem;margin:0 0 var(--space-2)}.online-lobby__code{font-family:var(--font-display);font-weight:900;font-size:clamp(1.75rem,10vw,2.5rem);letter-spacing:.1em;background:var(--c-yellow);border:var(--border-w) solid var(--c-ink);box-shadow:var(--shadow-sm);padding:.25rem .5rem;margin:0 0 var(--space-3)}.online-lobby__hint{font-size:.85rem;margin:0 0 var(--space-2);opacity:.8}.online-lobby__link-wrap{margin-bottom:var(--space-3);overflow-x:auto}.online-lobby__link{text-align:left;font-size:.8rem;white-space:nowrap}.online-lobby__actions{display:flex;flex-direction:column;gap:var(--space-2)}.online-lobby__whatsapp{background:#25d366;text-decoration:none}.cpu-reveal{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-4);padding:var(--space-3)}.cpu-reveal__label{font-family:var(--font-display);font-weight:900;text-transform:uppercase;text-align:center;margin:0}.cpu-reveal__vs{display:flex;align-items:center;gap:var(--space-4)}.cpu-reveal__side{display:flex;flex-direction:column;align-items:center;gap:var(--space-2)}.cpu-reveal__badge{display:flex;align-items:center;justify-content:center;width:6.5rem;height:6.5rem;font-size:3.25rem;background:var(--c-yellow);border:var(--border-w-lg) solid var(--c-ink);box-shadow:var(--shadow-md)}.cpu-reveal__badge--spinning{animation:cpu-reveal-shake .16s linear infinite}.cpu-reveal__badge--settled{background:var(--c-green);animation:cpu-reveal-pop .25s ease-out}@keyframes cpu-reveal-shake{0%{transform:rotate(-4deg)}50%{transform:rotate(4deg)}to{transform:rotate(-4deg)}}@keyframes cpu-reveal-pop{0%{transform:scale(.7)}60%{transform:scale(1.12)}to{transform:scale(1)}}.cpu-reveal__side-label{font-weight:700;text-transform:uppercase;font-size:.85rem}.cpu-reveal__vs-label{font-family:var(--font-display);font-weight:900;font-size:1.5rem}.sound-toggle{display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;flex-shrink:0;font-size:1.2rem;background:var(--c-paper-raised);border:var(--border-w) solid var(--c-ink);box-shadow:var(--shadow-sm);cursor:pointer}.sound-toggle:active{transform:translate(2px,2px);box-shadow:none}.screen{height:100dvh;padding:var(--space-3);display:flex;flex-direction:column;gap:var(--space-2);overflow:hidden}.screen__content{flex:1 1 auto;min-height:0;display:flex;flex-direction:column;justify-content:center;gap:var(--space-2)}.screen--narrow{max-width:28rem;margin:0 auto;width:100%}@media(min-width:768px){.screen--narrow{max-width:42rem}}.screen__header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2)}.screen__header-right{display:flex;align-items:center;gap:var(--space-2)}.game-screen__board-wrap{flex:1 1 auto;min-height:0;display:flex;align-items:center;justify-content:center}.screen__cta{font-size:1.1rem;padding:1rem}.screen__error{font-weight:700;color:var(--c-pink);background:var(--c-paper-raised);border:var(--border-w) solid var(--c-ink);padding:var(--space-2);margin:0;text-align:center}.screen__field-label{display:block;font-weight:700;margin-bottom:var(--space-2)}.piece-shortcut{display:flex;align-items:center;gap:var(--space-3);align-self:center;background:var(--c-paper-raised);border:var(--border-w) solid var(--c-ink);box-shadow:var(--shadow-sm);padding:var(--space-2) var(--space-3);cursor:pointer;font-weight:700}.piece-shortcut .piece-preview{font-size:1.75rem;width:2.5rem;height:2.5rem;display:flex;align-items:center;justify-content:center;background:var(--c-yellow);border:3px solid var(--c-ink)}.piece-shortcut--compact{padding:0;border:none;box-shadow:none;background:none;gap:0}.piece-shortcut--compact .piece-preview{font-size:1.4rem;width:2.5rem;height:2.5rem;border:var(--border-w) solid var(--c-ink);box-shadow:var(--shadow-sm)}.piece-shortcut--compact:active .piece-preview{transform:translate(2px,2px);box-shadow:none}.game-screen__turn{font-family:var(--font-display);font-weight:900;text-transform:uppercase;font-size:.9rem;margin:0;padding:.3rem .75rem .3rem .3rem;background:var(--c-yellow);border:var(--border-w) solid var(--c-ink);box-shadow:var(--shadow-sm);white-space:nowrap;display:flex;align-items:center;gap:.4rem}.game-screen__turn-piece{display:flex;align-items:center;justify-content:center;width:1.6rem;height:1.6rem;background:var(--c-paper-raised);border:2px solid var(--c-ink)}.game-screen__turn-piece .piece-preview{font-size:1.1rem}.online-menu__panel{display:flex;flex-direction:column;gap:var(--space-2)}.online-menu__hint{margin:0;font-size:.85rem;font-weight:600;opacity:.8}.online-menu__join-btn{margin-top:var(--space-1)}