@font-face{font-family:Rubik;src:url(/fonts/Rubik.ttf) format("truetype");font-weight:400;font-style:normal;font-display:swap}:root{--bg: #1a1a1e;--surface: #25252a;--surface2: #2e2e34;--text: #e8e8ec;--muted: #9090a0;--border: #3a3a42;--accent: #c4b896;--accent-rgb: 196, 184, 150;--success: #60c060;--danger: #e06060;--color-bg: var(--bg);--color-surface: var(--surface);--color-surface2: var(--surface2);--color-text: var(--text);--color-text-muted: var(--muted);--color-border: var(--border);--color-accent: var(--accent);--color-danger: var(--danger);--color-success: var(--success);--font-sans: "Rubik", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;--space-unit: 8px;--cell: clamp(44px, 8vw, 72px);--transition-tile: .15s ease;--shadow-panel: 0 4px 20px rgba(0, 0, 0, .25);font-family:var(--font-sans);line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}button,.main-menu-title-cell,.main-menu-title-grid,.topBar-title{-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}button:focus{outline:none}body{margin:0;min-width:320px;min-height:100vh;background-color:var(--bg);background-image:linear-gradient(#1a1a1ef0,#1a1a1ef0),url(/assets/bgtexture-Dp5xzO0h.jpg);background-size:auto,auto;background-repeat:repeat,repeat;background-attachment:fixed;color:var(--text)}*{scrollbar-width:thin;scrollbar-color:var(--surface2) var(--surface)}*::-webkit-scrollbar{width:10px;height:10px}*::-webkit-scrollbar-track{background:var(--surface)}*::-webkit-scrollbar-thumb{background:var(--surface2);border-radius:5px}*::-webkit-scrollbar-thumb:hover{background:var(--border)}.topBar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-unit);width:100%;max-width:100%;min-height:48px;padding:var(--space-unit) calc(var(--space-unit) * 2);flex-shrink:0}.topBar-inner{width:100%;max-width:520px;margin:0 auto}.topBar--single-row{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:calc(var(--space-unit) * 2)}.topBar--single-row .topBar-menu{justify-self:start}.topBar-title-wrap{display:flex;flex-direction:column;align-items:center;gap:2px;justify-self:center;-webkit-user-select:none;user-select:none;cursor:default}.topBar-title{margin:0;font-size:1.55rem;font-weight:600;color:var(--text);letter-spacing:.02em;text-align:center}.topBar-subtitle{margin:0;font-size:.8rem;font-weight:500;color:var(--muted);letter-spacing:.02em;text-align:center}.topBar-actions{display:flex;align-items:center;gap:calc(var(--space-unit) * .75);justify-self:end}.btn-compact{min-height:2rem;padding:calc(var(--space-unit) * .5) calc(var(--space-unit) * 1.25);font-size:.82rem}.topBar-menu{padding:calc(var(--space-unit) * .75) calc(var(--space-unit) * 1.5);font-size:.9rem}.game-screen-center{position:relative;width:100%;max-width:520px;min-height:400px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:calc(var(--space-unit) * 1.5)}.game-screen-center--tutorial{position:relative;overflow:visible}.game-screen-title{margin:0;font-size:1.35rem;font-weight:600;color:var(--text);letter-spacing:.02em;text-align:center}.btn{min-height:2.5rem;padding:calc(var(--space-unit) * .75) calc(var(--space-unit) * 1.5);font-size:.9rem;font-weight:500;border-radius:8px;cursor:pointer;transition:border-color var(--transition-tile),background-color var(--transition-tile),box-shadow var(--transition-tile),transform .1s ease}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn-primary{color:var(--text);background:linear-gradient(180deg,#c4b896,#a89878);border:1px solid #d4ccb0;box-shadow:0 4px #6b6048,0 6px 10px #0000004d}.btn-primary:hover:not(:disabled){filter:brightness(1.1);box-shadow:0 4px #6b6048,0 6px 10px #0000004d,0 0 0 1px rgba(var(--accent-rgb),.5)}.btn-primary:active:not(:disabled){transform:translateY(2px);box-shadow:0 2px #6b6048,0 4px 8px #0000004d}.btn-primary:disabled{opacity:.7;cursor:default}.btn-secondary{color:var(--text);background:var(--bg);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.btn-secondary:disabled{opacity:.6;cursor:default}.btn-success{color:var(--text);background:var(--success);border:1px solid var(--success)}.btn-success:hover:not(:disabled){filter:brightness(1.1);box-shadow:0 0 0 1px var(--success)}.btn-tertiary{color:var(--muted);background:var(--bg);border:1px solid var(--border)}.btn-tertiary:hover:not(:disabled){color:var(--accent);border-color:var(--accent)}.btn-tertiary:disabled{opacity:.5;cursor:default}.modal-body .btn{position:relative;overflow:hidden;width:100%;border-radius:10px;transition:border-color .18s ease,color .18s ease}.modal-body .btn:before{content:"";position:absolute;inset:0;background:rgba(var(--accent-rgb),.12);transform:translate(-100%);transition:transform .28s cubic-bezier(.4,0,.2,1);z-index:-1}.modal-body .btn:hover:not(:disabled):before{transform:translate(0)}.modal-body .btn-primary{background:var(--accent);border-color:var(--accent);color:var(--text)}.modal-body .btn-primary:hover:not(:disabled){filter:brightness(1.1);box-shadow:none}.modal-body .btn-secondary,.modal-body .btn-tertiary{background:var(--bg);border-color:var(--border)}.modal-body .btn-secondary:hover:not(:disabled),.modal-body .btn-tertiary:hover:not(:disabled){border-color:var(--accent);color:var(--text)}.modal-body .btn-tertiary:hover:not(:disabled){color:var(--accent)}.modal-body .btn-danger{background:transparent;border-color:var(--danger);color:var(--danger)}.modal-body .btn-danger:hover:not(:disabled){background:#e060601f}.game-screen-concede:hover:not(:disabled){color:var(--danger);border-color:var(--danger)}.panel{background:var(--surface);border-radius:14px;padding:calc(var(--space-unit) * 2);border:1px solid var(--border);box-shadow:var(--shadow-panel)}.panel-placeholder{color:var(--muted)}.shell{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:calc(var(--space-unit) * 3)}.shell--game{padding-top:calc(var(--space-unit) * 1)}@media(max-width:480px){.shell--game{padding-top:calc(var(--space-unit) * .5);padding-bottom:calc(var(--space-unit) * 1)}}.shell-header{text-align:center;margin-bottom:calc(var(--space-unit) * 3)}.shell-header[aria-hidden=true]{display:none}.shell-header h1{margin:0;font-size:2.15rem;font-weight:600}.shell-subtitle{margin:var(--space-unit) 0 0;color:var(--color-text-muted);font-size:1rem}.shell-dictionary{margin:var(--space-unit) 0 0;color:var(--color-text-muted);font-size:.875rem}.shell-main{flex:1;width:100%;max-width:1000px;display:flex;flex-direction:column;gap:calc(var(--space-unit) * 2)}.shell-main--three-col{flex-direction:row;max-width:none;align-items:flex-start;justify-content:center;gap:calc(var(--space-unit) * 2)}.shell-col--center{display:flex;flex-direction:column;align-items:center;width:100%}.shell-main--three-col .shell-col--left,.shell-main--three-col .shell-col--center,.shell-main--three-col .shell-col--right{flex:0 0 360px;min-width:0}.shell-main--three-col .shell-col--left{display:flex;flex-direction:column;align-items:flex-end;padding-top:calc(2 * var(--cell) + 10px + var(--space-unit) * 2 * 2 + var(--space-unit) * 3 + 1.5em + var(--space-unit) * 3 - 1px);-webkit-user-select:none;user-select:none;cursor:default}.shell-main--three-col .shell-col--right{display:flex;flex-direction:column;align-items:flex-start;padding-top:calc(2 * var(--cell) + 10px + var(--space-unit) * 2 * 2 + var(--space-unit) * 3 + 1.5em + var(--space-unit) * 3 - 1px)}@media(max-width:600px){.shell{padding:var(--space-unit) calc(var(--space-unit) * 2)}.shell-main--three-col{flex-direction:column;align-items:center}.shell-main--three-col .shell-col--left,.shell-main--three-col .shell-col--right{display:none}.shell-main--three-col .shell-col--center{flex:1 1 auto;max-width:100%}}.shell-panel-buttons{display:flex;gap:var(--space-unit);flex-shrink:0}.shell-panel-buttons--left{flex-direction:row-reverse}.shell-panel-buttons--right{flex-direction:row}.shell-panel-buttons--merged{flex-direction:row;justify-content:center}.shell-panel-btn{flex-shrink:0;width:2.5rem;min-height:2.5rem;height:2.5rem;display:flex;align-items:center;justify-content:center;padding:0;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:10px;cursor:pointer;transition:border-color .18s ease,color .18s ease}.shell-panel-btn:hover,.shell-panel-btn--active{border-color:var(--accent);color:var(--accent)}.shell-panel-btn--disabled,.shell-panel-btn:disabled{opacity:.45;cursor:not-allowed;pointer-events:none}.shell-info-panel{flex:1;min-height:0;overflow:hidden;max-height:0;opacity:0;display:flex;flex-direction:column;transition:opacity .2s ease,max-height .3s ease,margin-top .3s ease;width:100%}.shell-info-panel--left{align-self:flex-end}.shell-info-panel--right{align-self:flex-start}.shell-info-panel--open{margin-top:calc(var(--space-unit) * 2);max-height:60vh;opacity:1}.shell-info-panel-inner{flex:1;min-height:0;width:100%;padding:calc(var(--space-unit) * 2);background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-panel);overflow-y:auto}.shell-info-panel-inner p{margin:0 0 1em;font-size:.9rem;color:var(--text);line-height:1.5}.shell-info-panel-inner p:last-child{margin-bottom:0}.shell-info-panel-title{margin:0 0 1em;font-size:1rem;font-weight:600;color:var(--text)}.shell-info-link{color:var(--accent);text-decoration:underline}.shell-info-link:hover{color:var(--accent);filter:brightness(1.15)}.main-menu{width:100%;max-width:360px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:calc(var(--space-unit) * 3)}@media(max-width:600px){.main-menu{gap:calc(var(--space-unit) * 1.5)}.main-menu .main-menu-title-grid{--cell: min(90px, calc((100vw - 62px)/4) )}}.main-menu-title-grid{display:grid;grid-template-columns:repeat(4,var(--cell));grid-template-rows:repeat(2,var(--cell));gap:10px}.main-menu-title-cell{position:relative;min-width:0;min-height:0;display:flex;align-items:center;justify-content:center;font-size:clamp(20px,4vw,32px);font-weight:600;font-family:var(--font-sans);color:#000;background:#fef9f0;border:2px solid rgba(74,66,56,.25);border-radius:10px;overflow:hidden;transition:border-color .35s ease,box-shadow .45s ease;box-shadow:0 4px 6px #0000004d,inset 0 1px #fffc;filter:drop-shadow(0 0 5px rgba(255,220,150,.5))}.main-menu-title-cell:before{content:"";position:absolute;inset:0;border-radius:inherit;background-image:url(/assets/tiletexture.png);background-size:cover;background-position:center;pointer-events:none;opacity:.4;mix-blend-mode:multiply;z-index:0}.main-menu-title-cell>*{position:relative;z-index:1;isolation:isolate;text-shadow:0 .5px 1px rgba(0,0,0,.4),0 1px 2px rgba(0,0,0,.25)}.main-menu-title-cell:hover{border-color:var(--accent);box-shadow:0 4px 6px #0000004d,inset 0 1px #fffc,0 0 12px rgba(var(--accent-rgb),.4)}.main-menu-title-cell--draggable{cursor:grab}.main-menu-title-cell--draggable:active{cursor:grabbing}.main-menu-title-cell--blank{background:#0003;border-color:#3d414899;color:transparent;box-shadow:inset 0 2px 5px #0009;filter:none}.main-menu-title-cell--easter-egg{font-size:1.4em}.main-menu-subtitle{margin:0;font-size:.9rem;color:var(--color-text-muted);-webkit-user-select:none;user-select:none;cursor:default;margin-bottom:calc(var(--space-unit) * -1)}.ad-bar{display:flex;justify-content:center;align-items:center;width:100%;max-width:520px;min-height:90px;margin:calc(var(--space-unit) * 1.5) auto}@media(max-width:600px){.ad-bar{min-height:50px;margin:calc(var(--space-unit) * .5) auto}.game-screen .topBar,.kotobatris-screen .topBar{padding-top:calc(var(--space-unit) * .5);padding-bottom:calc(var(--space-unit) * .5)}}.ad-bar .adsbygoogle{overflow:hidden}.main-menu-top-bar{display:flex;justify-content:center;margin:0;-webkit-user-select:none;user-select:none;cursor:default}.top-bar-buttons{display:flex;flex-direction:column;align-items:center;gap:calc(var(--space-unit) * .5);-webkit-user-select:none;user-select:none;cursor:default}.top-bar-row{display:flex;flex-wrap:wrap;justify-content:center;gap:calc(var(--space-unit) * .5);-webkit-user-select:none;user-select:none;cursor:default}.top-bar-btn{display:inline-flex;align-items:center;gap:calc(var(--space-unit) * .4);padding:calc(var(--space-unit) * .5) calc(var(--space-unit) * .75);font-size:.75rem;font-weight:500;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:8px;cursor:pointer;transition:border-color .18s ease,color .18s ease}.top-bar-btn:hover,.top-bar-btn--active{border-color:var(--accent);color:var(--accent)}.top-bar-btn--sign-up{border-color:rgba(var(--accent-rgb),.5);box-shadow:0 0 0 1px rgba(var(--accent-rgb),.2)}.top-bar-btn-icon--account-signed-in .top-bar-btn-icon{color:#d7f0dc}.top-bar-btn-icon--account-signed-out .top-bar-btn-icon{color:#d7e4f8}.top-bar-btn-icon--leaderboards .top-bar-btn-icon{color:#f8f0d7}.top-bar-btn-icon--stats .top-bar-btn-icon{color:#f8f8da}.main-menu-actions{width:100%;display:flex;flex-direction:column;gap:calc(var(--space-unit) * .75)}.main-menu-btn{position:relative;overflow:hidden;width:100%;min-height:2.5rem;padding:calc(var(--space-unit) * 1) calc(var(--space-unit) * 1.75);font-size:.9rem;font-weight:500;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:10px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;transition:border-color .18s ease,color .18s ease;z-index:0}.main-menu-btn:before{content:"";position:absolute;inset:0;background:rgba(var(--accent-rgb),.12);transform:translate(-100%);transition:transform .28s cubic-bezier(.4,0,.2,1);z-index:-1}.main-menu-btn:hover:not(:disabled):before{transform:translate(0)}.main-menu-btn:hover:not(:disabled){border-color:var(--accent);color:var(--text)}.main-menu-btn--active{border-color:var(--accent)}.main-menu-btn--disabled,.main-menu-btn:disabled{opacity:.45;cursor:not-allowed}.main-menu-btn-chevron{font-size:1.1rem;line-height:1;transition:transform .22s ease;margin-left:var(--space-unit);color:var(--muted)}.main-menu-btn-chevron--open{transform:rotate(90deg)}.main-menu-btn-daily-icon{display:flex;align-items:center;margin-left:auto;flex-shrink:0;font-weight:700;font-size:1.1rem}.main-menu-button-group{position:relative;width:100%}.main-menu-dropdown{margin-top:6px;padding:8px;background:var(--surface);border-radius:10px;border:1px solid var(--border);display:flex;flex-direction:column;gap:6px;animation:dropdown-in .2s cubic-bezier(.34,1.36,.64,1) both;transform-origin:top center}.main-menu-dropdown-btn{position:relative;overflow:hidden;padding:calc(var(--space-unit) * .75) calc(var(--space-unit) * 1.5);font-size:.88rem;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:8px;cursor:pointer;text-align:left;opacity:0;animation:dropdown-item-in .18s ease forwards;transition:border-color .15s ease}.main-menu-dropdown-btn:hover{border-color:var(--accent)}.main-menu-dropdown-btn--active{border-color:var(--accent);color:var(--accent)}.main-menu-dropdown-divider{height:1px;background:var(--border);margin:4px 0}.main-menu-dropdown-btn--primary{margin-top:4px;background:var(--accent);border-color:var(--accent);color:#fff;text-align:center}.main-menu-dropdown-btn--primary:hover{filter:brightness(1.1)}.main-menu-dropdown--gauntlet{min-width:180px;align-items:center}.main-menu-dropdown--gauntlet .main-menu-dropdown-label{text-align:center;width:100%}.main-menu-dropdown-label{margin:4px 0 2px;font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}.main-menu-dropdown--gauntlet .main-menu-dropdown-btn--primary{width:100%}.main-menu-gauntlet-count,.main-menu-gauntlet-difficulty{display:flex;gap:6px;justify-content:center}.main-menu-buttons-wrap{width:100%;display:flex;flex-direction:column;gap:calc(var(--space-unit) * .25);align-items:stretch;margin-top:calc(var(--space-unit) * -1.5)}.main-menu-buttons-wrap>.main-menu-divider:first-child{margin-bottom:calc(var(--space-unit) * 1)}.main-menu-divider{width:100%;height:1px;min-height:1px;background:var(--border);margin:0;flex-shrink:0;cursor:default;-webkit-user-select:none;user-select:none}.main-menu-coming-soon{display:flex;flex-direction:column;align-items:center;gap:calc(var(--space-unit) * .25);width:100%;-webkit-user-select:none;user-select:none;cursor:default}.main-menu-coming-soon-text{margin:0;font-size:.8rem;color:var(--muted);-webkit-user-select:none;user-select:none;cursor:default}.main-menu-coming-soon-logo{width:100px;height:auto;object-fit:contain;display:block}.main-menu-footer-logo{margin-top:auto;padding-top:calc(var(--space-unit) * 2);cursor:default;-webkit-user-select:none;user-select:none}.game-screen-top-actions{margin-bottom:var(--space-unit)}.game-screen-back{min-height:2.75rem;padding:calc(var(--space-unit) * 1.25) calc(var(--space-unit) * 2.5);font-size:.9rem;color:var(--color-text-muted);background:transparent;border:1px solid var(--color-text-muted);border-radius:8px;cursor:pointer}.game-screen-back:hover{border-color:var(--color-accent);color:var(--color-accent)}.modal-backdrop{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--space-unit);animation:backdrop-in .2s ease both}.modal-backdrop--closing{animation:backdrop-out .18s ease forwards}.modal-panel{width:100%;max-width:360px;max-height:90vh;overflow:auto;animation:modal-in .22s cubic-bezier(.34,1.2,.64,1) both}@media(max-width:600px){.modal-backdrop{overflow-y:auto;overflow-x:hidden;padding:max(var(--space-unit),env(safe-area-inset-top,0)) var(--space-unit) max(var(--space-unit),env(safe-area-inset-bottom,0))}.modal-panel{max-width:min(360px,calc(100vw - var(--space-unit) * 4));max-height:min(90vh,90dvh);margin:auto}}.modal-panel--closing{animation:modal-out .18s ease forwards}.modal-panel--centered .modal-header{position:relative;justify-content:center}.modal-panel--centered .modal-close{position:absolute;right:0;top:50%;transform:translateY(-50%)}.modal-panel--centered .modal-title{cursor:default;-webkit-user-select:none;user-select:none}.modal-panel--centered{overflow-y:auto;scrollbar-gutter:stable}.modal-panel--centered .modal-body{display:flex;flex-direction:column;align-items:center}.modal-panel--news{max-width:360px;width:100%}.modal-panel--admin{max-width:min(900px,calc(100vw - var(--space-unit) * 4));width:100%}.news-modal{display:flex;flex-direction:column;gap:calc(var(--space-unit) * 2);width:100%;min-width:0}.news-modal-loading{margin:0;font-size:.9rem;color:var(--muted);text-align:center}.news-modal-admin,.news-modal-edit-form{display:flex;flex-direction:column;gap:var(--space-unit)}.news-modal-edit-form .load-seed-input{text-transform:none;letter-spacing:normal}.news-modal-body-input{width:100%;min-height:80px;padding:calc(var(--space-unit) * 1) calc(var(--space-unit) * 1.5);font-size:.9rem;font-family:var(--font-sans);background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);resize:vertical}.news-modal-body-input::placeholder{color:var(--muted)}.news-modal-edit-actions{display:flex;gap:var(--space-unit);flex-wrap:wrap}.news-modal-articles{display:flex;flex-direction:column;gap:calc(var(--space-unit) * .5)}.news-modal-article{border:1px solid var(--border);border-radius:10px;overflow:hidden;background:var(--surface2)}.news-modal-article-header{width:100%;display:flex;align-items:center;gap:var(--space-unit);padding:calc(var(--space-unit) * 1) calc(var(--space-unit) * 1.5);background:transparent;border:none;cursor:pointer;text-align:left;font:inherit;color:var(--text);transition:background .15s ease}.news-modal-article-header:hover{background:#ffffff0d}.news-modal-article-title{flex:1;min-width:0;font-weight:600;font-size:.95rem}.news-modal-article-date{flex-shrink:0;font-size:.8rem;color:var(--muted)}.news-modal-article-chevron{flex-shrink:0;font-size:.75rem;color:var(--muted)}.news-modal-article-body{padding:0 calc(var(--space-unit) * 1.5) calc(var(--space-unit) * 1.5);border-top:1px solid var(--border)}.news-modal-article-content{padding-top:calc(var(--space-unit) * 1);font-size:.9rem;color:var(--text);line-height:1.5}.news-modal-article-content p{margin:0 0 .75em}.news-modal-article-content p:last-child{margin-bottom:0}.news-modal-article-actions{display:flex;gap:calc(var(--space-unit) * 1.5);margin-top:calc(var(--space-unit) * 1);padding-top:calc(var(--space-unit) * .5)}.modal-panel--centered-body 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calc(var(--space-unit) * 1.5);font-size:1rem;font-family:var(--font-sans);letter-spacing:.1em;text-transform:uppercase;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text)}.load-seed-input::placeholder{color:var(--muted)}.load-seed-error{margin:0;font-size:.85rem;color:var(--danger)}.load-seed-difficulty-label{margin:0;font-size:.9rem;color:var(--muted)}.load-seed-difficulty{display:flex;gap:var(--space-unit)}.load-seed-actions{display:flex;justify-content:flex-end;gap:var(--space-unit)}.load-seed-actions .btn{width:auto;flex:0 0 auto}.feedback-modal{display:flex;flex-direction:column;gap:calc(var(--space-unit) * 2)}.feedback-modal-desc{margin:0;font-size:.9rem;color:var(--muted)}.feedback-modal-signed-in{margin:0;font-size:.85rem;color:var(--muted)}.feedback-modal-textarea{padding:calc(var(--space-unit) * 1) calc(var(--space-unit) * 1.5);font-size:1rem;font-family:var(--font-sans);background:var(--bg);border:1px solid 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.5)}.game-opponent-preview-label{margin:0;font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}.game-opponent-preview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;width:min(80px,20vw);aspect-ratio:1}.game-opponent-preview-cell{background:#ffffff14;border-radius:4px;transition:background .3s ease}.game-opponent-preview-cell--correct{background:#60c06080}.match-result-modal{display:flex;flex-direction:column;gap:calc(var(--space-unit) * 2);align-items:center;text-align:center}.match-result-actions{display:flex;flex-wrap:wrap;gap:var(--space-unit);align-items:center;justify-content:center}.match-result-actions--centered{justify-content:center}.match-result-message{margin:0;font-size:.95rem;color:var(--text)}.match-result-message--centered{text-align:center}.match-result-score{display:flex;align-items:center;justify-content:center;gap:var(--space-unit);flex-wrap:wrap}.match-result-score-name{flex:0 1 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1.5);margin:0}.account-modal-field{display:grid;grid-template-columns:8.5em 1fr;gap:.4em;align-items:center}.account-modal-field-label{font-size:.9rem;color:var(--muted)}.account-modal-field-input{min-width:0}.account-modal-field .account-modal-password-wrap{display:flex;flex:1;min-width:0}.account-modal-auth-tabs{display:flex;gap:var(--space-unit);justify-content:center}.account-modal-auth-tab{position:relative;overflow:hidden;padding:calc(var(--space-unit) * .75) calc(var(--space-unit) * 1.5);font-size:.9rem;font-weight:500;background:var(--bg);border:1px solid var(--border);border-radius:10px;color:var(--text);cursor:pointer;transition:border-color .18s ease,color .18s ease}.account-modal-auth-tab:before{content:"";position:absolute;inset:0;background:rgba(var(--accent-rgb),.12);transform:translate(-100%);transition:transform .28s 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var(--space-unit);font-size:1.5rem;font-weight:600}.win-modal-text{margin:0 0 calc(var(--space-unit) * 2);color:var(--color-text-muted);font-size:.9rem}.win-modal-button{padding:var(--space-unit) calc(var(--space-unit) * 2);font-size:1rem;font-weight:500;color:var(--color-bg);background:var(--color-accent);border:none;border-radius:8px;cursor:pointer}.win-modal-button:hover{filter:brightness(1.1)}.game-screen .shell-bank{flex-direction:column;align-items:stretch;gap:var(--space-unit)}.grid5x5,.grid-with-status{width:min(100%,calc(4 * var(--cell) + 3 * 10px + 2 * 22px))}.grid5x5{display:grid;grid-template-columns:repeat(4,var(--cell));grid-template-rows:repeat(4,var(--cell));gap:10px}.grid-with-status{display:grid;grid-template-columns:22px repeat(4,var(--cell)) 22px;grid-template-rows:22px repeat(4,var(--cell)) 22px;gap:10px}.grid5x5-inner{grid-column:2 / 6;grid-row:2 / 6;display:grid;grid-template-columns:repeat(4,var(--cell));grid-template-rows:repeat(4,var(--cell));gap:10px;min-height:0}.grid5x5-cell{position:relative;min-width:0;min-height:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:clamp(18px,3.5vw,28px);font-weight:600;font-family:var(--font-sans);border-radius:10px;cursor:pointer;padding:0;overflow:hidden;line-height:1;transition:border-color var(--transition-tile),box-shadow var(--transition-tile),background-color var(--transition-tile),filter var(--transition-tile)}.grid5x5-cell:before,.bank-key:before{content:"";position:absolute;inset:0;border-radius:inherit;background-image:url(/assets/tiletexture.png);background-size:cover;background-position:center;pointer-events:none;opacity:.4;mix-blend-mode:multiply;z-index:0}.grid5x5-cell>*,.bank-key>*{position:relative;z-index:1;isolation:isolate;text-shadow:0 .5px 1px rgba(0,0,0,.4),0 1px 2px rgba(0,0,0,.25)}.grid5x5-cell:not(.grid5x5-cell--filled){color:var(--muted);background:#0003;border:2px solid rgba(61,65,72,.6);box-shadow:inset 0 2px 5px #0009}.grid5x5-cell--filled{color:#000;background:linear-gradient(165deg,#fffdf8,#fef9f0 40%,#f8f0e5);border:2px solid rgba(74,66,56,.25);box-shadow:0 5px 8px #00000059,2px 2px #00000014,inset -2px -2px 4px #ffffff80,inset 2px 2px 4px #00000026;filter:drop-shadow(0 0 5px rgba(255,220,150,.3))}@media(hover:hover)and (pointer:fine){.grid5x5-cell:hover{border-color:var(--accent)}}.grid5x5-cell[draggable=true]{cursor:grab}.grid5x5-cell-drag-preview{background:#fef9f0!important;box-shadow:0 4px 12px #00000059!important;filter:none!important;color:#0a0a0a!important;opacity:.98;contain:paint layout;transition:none}.grid5x5-cell--locked{background:linear-gradient(165deg,#ebe4dc,#d8d0c0,#cec6b8);border-color:#4a423866;color:#000;cursor:default;box-shadow:0 3px 6px #0000004d,1px 1px #0000000f,inset -1px -1px 3px #ffffff59,inset 1px 1px 3px #0000001f;filter:none}.grid5x5-cell--joker{background:linear-gradient(165deg,#fef9f0,#fef5e8 40%,rgba(var(--accent-rgb),.08));border-color:rgba(var(--accent-rgb),.5);color:#5a4a2a;cursor:default;font-weight:600}.grid5x5-cell--filled.grid5x5-cell--selected{border-color:var(--accent);box-shadow:0 5px 8px #00000059,2px 2px #00000014,inset -2px -2px 4px #ffffff80,inset 2px 2px 4px #00000026,0 0 0 2px var(--accent),0 0 12px rgba(var(--accent-rgb),.25)}.grid5x5-cell:not(.grid5x5-cell--filled).grid5x5-cell--selected{border-color:var(--accent);box-shadow:inset 0 2px 5px #0009,0 0 0 2px var(--accent),0 0 12px rgba(var(--accent-rgb),.25)}.grid5x5-cell--flash-invalid{border-color:var(--danger);box-shadow:0 0 0 2px var(--danger);color:#a02d2d;animation:flash-invalid .4s ease}.grid5x5-cell--win{animation:cell-win .5s ease forwards;cursor:default}.grid5x5-cell:focus{outline:none}@keyframes cell-win{to{border-color:#2d7a2d;color:#1a5c1a}}@keyframes flash-invalid{0%,to{border-color:var(--danger);box-shadow:0 0 0 2px var(--danger);color:#a02d2d}50%{border-color:var(--danger);box-shadow:0 0 0 2px var(--danger);color:#a02d2d}}.indicator-cell{display:flex;align-items:center;justify-content:center;min-width:0;min-height:0;cursor:default;-webkit-user-select:none;user-select:none}.indicator-cell--row{justify-content:flex-start;padding-left:3px}.indicator-cell--row.indicator-cell--right{justify-content:flex-end;padding-left:0;padding-right:3px}.indicator-cell--col{flex-direction:column;justify-content:flex-end;padding-bottom:3px}.indicator-cell--col.indicator-cell--top{justify-content:flex-start;padding-bottom:0;padding-top:3px}.indicator-bar{border-radius:999px;flex-shrink:0;cursor:default;-webkit-user-select:none;user-select:none}.indicator-bar--row{width:100%;max-width:calc(var(--cell) * .55);height:4px}.indicator-bar--col{width:4px;height:100%;max-height:calc(var(--cell) * .55)}.indicator-tick{font-size:.75rem;font-weight:700;line-height:1;cursor:default;-webkit-user-select:none;user-select:none}.indicator-bar--incomplete{background:var(--muted);opacity:.5}.indicator-bar--valid,.indicator-bar--solution{background:var(--success)}.indicator-bar--invalid{background:var(--danger)}.indicator-tick--solution,.indicator-tick--complete{color:var(--accent)}.grid5x5-cell--check-match{animation:cell-check-match .65s ease forwards;cursor:default}.grid5x5-cell--check-match:after{content:"";position:absolute;inset:0;border-radius:inherit;background:#2d7a2d1f;pointer-events:none;animation:cell-check-overlay-sweep .65s ease forwards;animation-delay:var(--check-delay, 0ms)}.grid5x5-cell--check-mismatch{animation:cell-check-mismatch .65s ease forwards;cursor:default}.grid5x5-cell--check-mismatch:after{content:"";position:absolute;inset:0;border-radius:inherit;background:#a02d2d1f;pointer-events:none;animation:cell-check-overlay-sweep .65s ease forwards;animation-delay:var(--check-delay, 0ms)}.grid5x5-cell--tutorial-reveal{animation:cell-tutorial-reveal .25s ease-out forwards}@keyframes cell-tutorial-reveal{0%{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}@keyframes cell-check-match{to{border-color:#2d7a2d;color:#1a5c1a}}@keyframes cell-check-mismatch{to{border-color:var(--danger);color:#a02d2d}}@keyframes cell-check-overlay-sweep{0%{opacity:0}30%{opacity:1}to{opacity:0}}.letter-bank-complete{color:var(--success)!important;font-weight:600;cursor:default;-webkit-user-select:none;user-select:none}.letter-bank-conceded{color:var(--muted)!important;font-weight:600;cursor:default;-webkit-user-select:none;user-select:none}@media(max-width:480px){.topBar{flex-wrap:wrap;padding-left:var(--space-unit);padding-right:var(--space-unit)}.topBar--single-row .topBar-actions{flex-basis:100%;justify-content:center;order:3}.topBar-title{font-size:1.3rem}.game-panel{padding:16px}.game-panel:not(.kotobatris-panel){--cell: min(72px, calc((100vw - 120px)/4) )}}@media(max-width:480px){.kotobatris-screen{gap:calc(var(--space-unit) * .5)}.kotobatris-hud{padding:calc(var(--space-unit) * .35) calc(var(--space-unit) * 1.5)}.kotobatris-timer-row{margin-bottom:calc(var(--space-unit) * .35)}.kotobatris-panel{padding:12px 16px}.kotobatris-panel{--cell: min(72px, calc((100vw - 100px)/4) )}.kotobatris-panel .grid5x5-cell{font-size:clamp(20px,5vw,28px)}}.game-screen-action-column{display:flex;flex-direction:column;align-items:center;gap:calc(var(--space-unit) * .75);flex-shrink:0}.game-screen-action-buttons{display:flex;align-items:center;gap:0;flex-shrink:0}.game-screen-share-daily-btn{display:inline-flex;align-items:center;justify-content:center;gap:calc(var(--space-unit) * .5);padding:calc(var(--space-unit) * .5) calc(var(--space-unit) * 1);font-size:.82rem;font-family:var(--font-sans);background:none;border:1px solid var(--border);border-radius:8px;color:var(--muted);cursor:pointer}.game-screen-share-daily-btn:hover{border-color:var(--accent);color:var(--accent)}.game-screen-action-divider{width:1px;height:1.25rem;background:var(--border);margin:0 calc(var(--space-unit) * .75);cursor:default;-webkit-user-select:none;user-select:none}.confirm-modal{display:flex;flex-direction:column;gap:calc(var(--space-unit) * 2)}.confirm-modal p{margin:0;font-size:.95rem;color:var(--text);line-height:1.5}.confirm-modal-actions{display:flex;justify-content:flex-end;gap:var(--space-unit)}.win-modal{display:flex;flex-direction:column;align-items:center;gap:calc(var(--space-unit) * 2)}.win-modal-results{display:block;margin:0 auto;padding-block:var(--space-unit);padding-inline:calc(var(--space-unit) * 2);font-size:.8rem;font-family:var(--font-sans);white-space:pre-wrap;word-break:break-all;text-align:center;background:var(--surface2);border-radius:8px;border:1px solid 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var(--transition-tile);box-shadow:0 5px 8px #00000059,2px 2px #00000014,inset -2px -2px 4px #ffffff80,inset 2px 2px 4px #00000026;filter:drop-shadow(0 0 5px rgba(255,220,150,.3))}.bank-key:hover{border-color:var(--accent)}.bank-key:active{transform:scale(.97)}.bank-key[draggable=true]{cursor:grab}.bank-key-drag-preview{background:#fef9f0!important;box-shadow:0 4px 12px #00000059!important;filter:none!important;color:#0a0a0a!important;opacity:.98;contain:paint layout;transition:none}.bank-key--selected{border-color:var(--accent);box-shadow:0 5px 8px #00000059,2px 2px #00000014,inset -2px -2px 4px #ffffff80,inset 2px 2px 4px #00000026,0 0 0 2px var(--accent),0 0 12px rgba(var(--accent-rgb),.25)}.bank-key-letter{display:block;line-height:1}.bank-key-badge{position:absolute;top:2px;right:4px;font-size:.65rem;font-weight:600;color:var(--muted);background:var(--bg);border-radius:6px;padding:1px 4px;line-height:1.2;min-width:1.1em;text-align:center}.bank-key:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.bank-erase{min-height:44px;padding:0 calc(var(--space-unit) * 1.5);font-weight:600;color:#4a4238;background:linear-gradient(165deg,#fffdf8,#fef9f0 40%,#f8f0e5);border:2px solid rgba(74,66,56,.25);border-radius:10px;box-shadow:0 5px 8px #00000059,2px 2px #00000014,inset -2px -2px 4px #ffffff80,inset 2px 2px 4px #00000026;filter:drop-shadow(0 0 5px rgba(255,220,150,.3));transition:border-color var(--transition-tile),box-shadow var(--transition-tile),filter var(--transition-tile)}.bank-erase:hover{border-color:var(--accent)}.shell-footer{margin-top:calc(var(--space-unit) * 3);font-size:.75rem;color:var(--color-text-muted)}.app-footer{margin-top:auto;padding-top:calc(var(--space-unit) * 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li{margin-bottom:calc(var(--space-unit) * .5)}.app-footer-link,.app-footer-link--btn{color:var(--muted);text-decoration:none;transition:color .15s ease;cursor:pointer}.app-footer-link:hover,.app-footer-link--btn:hover{color:var(--accent)}.app-footer-link--btn{background:none;border:none;padding:0;font:inherit;cursor:pointer}.app-footer-link--plain{cursor:default}.app-footer-link--plain:hover{color:var(--muted)}.app-footer-text{color:var(--muted);cursor:default;-webkit-user-select:none;user-select:none}.app-footer-copyright{margin:0;padding-top:calc(var(--space-unit) * 2);border-top:1px solid var(--border);font-size:.75rem;color:var(--muted);text-align:center;width:100%;cursor:default;-webkit-user-select:none;user-select:none}.dev-tools{margin-top:0}.dev-tools-title{margin:0 0 var(--space-unit);font-size:.9rem;font-weight:600;color:var(--color-text-muted)}.dev-tools-result{margin:var(--space-unit) 0 0;font-size:.85rem;color:var(--color-text-muted)}.common-board-generator{margin-top:calc(var(--space-unit) * 2);padding-top:calc(var(--space-unit) * 2);border-top:1px solid var(--color-text-muted)}.common-board-generator-title{margin:0 0 var(--space-unit);font-size:.9rem;font-weight:600;color:var(--color-text-muted)}.common-board-generator-controls{display:flex;flex-wrap:wrap;gap:var(--space-unit);align-items:center;margin-bottom:var(--space-unit)}.common-board-generator-field{display:inline-flex;align-items:center;gap:calc(var(--space-unit) / 2);font-size:.85rem;color:var(--color-text-muted)}.common-board-generator-field input{width:4.5rem;padding:2px 6px;background:var(--color-bg);border:1px solid var(--color-text-muted);border-radius:4px;color:var(--color-text);font-size:.85rem}.common-board-generator-stats{display:flex;flex-wrap:wrap;gap:calc(var(--space-unit) * 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.5);font-size:.95rem;font-weight:600;color:var(--text)}.how-to-play-rules{margin:0;padding-left:1.2em;font-size:.88rem;color:var(--muted);line-height:1.5}.how-to-play-view-tutorial{display:flex;justify-content:center}.tutorial-prompt-modal{display:flex;flex-direction:column;gap:calc(var(--space-unit) * 2)}.tutorial-prompt-question{margin:0;font-size:1rem;color:var(--text)}.tutorial-prompt-actions{display:flex;gap:var(--space-unit);justify-content:flex-end}.main-menu-btn--disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.about-modal{display:flex;flex-direction:column;gap:calc(var(--space-unit) * 1.5)}.about-modal-name{margin:0;font-size:1.1rem;font-weight:600;color:var(--text)}.about-modal-desc{margin:0;font-size:.9rem;color:var(--muted);line-height:1.5}.about-modal-divider{margin:calc(var(--space-unit) * 1) 0;height:1px;background:var(--border)}.about-modal-privacy-title{margin:0;font-size:.9rem;font-weight:600;color:var(--text)}.about-modal-privacy{margin:0;font-size:.85rem;color:var(--muted);line-height:1.5}.about-modal-privacy-link{background:none;border:none;padding:0;font:inherit;color:var(--accent);text-decoration:underline;cursor:pointer}.about-modal-privacy-link:hover{color:var(--text)}.about-modal-credits,.about-modal-version{margin:0;font-size:.85rem;color:var(--muted)}.info-modal{display:flex;flex-direction:column;gap:calc(var(--space-unit) * 1.5)}.info-modal-line{margin:0;font-size:.9rem;color:var(--text)}.info-modal-social{display:flex;flex-wrap:wrap;gap:calc(var(--space-unit) * 1)}.info-modal-link{color:var(--accent);text-decoration:none;font-size:.9rem;cursor:pointer}.info-modal-link:hover{text-decoration:underline}.cookie-consent{position:fixed;bottom:calc(var(--space-unit) * 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1.5)}.privacy-modal-updated{margin:0;font-size:.8rem;color:var(--muted)}.privacy-modal-heading{margin:0;font-size:.95rem;font-weight:600;color:var(--text)}.privacy-modal p{margin:0;font-size:.88rem;color:var(--text);line-height:1.5}.privacy-modal ul{margin:0 0 0 1.2em;padding:0}.privacy-modal li{margin-bottom:.4em;font-size:.88rem;line-height:1.5}.tutorial-overlay{position:fixed;inset:0;pointer-events:none;z-index:1000}.tutorial-window{pointer-events:auto;max-width:260px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:calc(var(--space-unit) * 2);box-shadow:var(--shadow-panel);position:relative}.tutorial-pointer{position:absolute;width:0;height:0;top:50%;transform:translateY(-50%)}.tutorial-pointer--left{right:-9px;border-top:9px solid transparent;border-bottom:9px solid transparent;border-left:10px solid var(--surface);filter:drop-shadow(1px 0 0 var(--border))}.tutorial-pointer--right{left:-9px;border-top:9px solid transparent;border-bottom:9px solid transparent;border-right:10px solid var(--surface);filter:drop-shadow(-1px 0 0 var(--border))}.tutorial-content{cursor:default;-webkit-user-select:none;user-select:none}.tutorial-title{margin:0 0 calc(var(--space-unit) * 1);font-size:1rem;font-weight:600;color:var(--text);line-height:1.4}.tutorial-body{margin:0 0 calc(var(--space-unit) * 1.5);font-size:.9rem;color:var(--muted);line-height:1.5}.tutorial-actions{display:flex;justify-content:flex-end}.daily-promo-card{width:420px;padding:24px;background:var(--surface);border-radius:16px;border:2px solid var(--border);box-shadow:var(--shadow-panel);display:flex;flex-direction:column;align-items:center;gap:16px;font-family:var(--font-sans);color:var(--text)}.daily-promo-brand{display:grid;grid-template-columns:repeat(4,48px);grid-template-rows:repeat(2,48px);gap:8px}.daily-promo-brand-cell{display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:600;background:var(--bg);border:2px solid var(--muted);border-radius:8px;color:var(--text)}.daily-promo-brand-cell--blank{background:var(--surface2);color:transparent}.daily-promo-subtitle{margin:0;font-size:1rem;color:var(--muted)}.daily-promo-date{margin:0;font-size:1.1rem;font-weight:600}.daily-promo-grid{display:grid;grid-template-columns:repeat(4,56px);grid-template-rows:repeat(4,56px);gap:8px}.daily-promo-cell{display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:600;background:var(--surface2);border:2px solid var(--border);border-radius:8px;color:var(--text)}.daily-promo-cell--locked{background:var(--surface);border-color:var(--border);color:var(--text)}.daily-promo-bank{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.daily-promo-bank-key{position:relative;width:40px;height:40px;display:flex;align-items:center;justify-content:center;overflow:hidden;font-size:18px;font-weight:600;background:var(--surface2);border:2px solid var(--border);border-radius:8px}.daily-promo-bank-key:before{content:"";position:absolute;inset:0;border-radius:inherit;background-image:url(/assets/tiletexture.png);background-size:cover;background-position:center;pointer-events:none;opacity:.4;mix-blend-mode:multiply;z-index:0}.daily-promo-bank-key>*{position:relative;z-index:1;isolation:isolate;text-shadow:0 .5px 1px rgba(0,0,0,.4),0 1px 2px rgba(0,0,0,.25)}.daily-promo-bank-badge{position:absolute;top:2px;right:4px;font-size:10px;font-weight:600;color:var(--muted);background:var(--bg);border-radius:4px;padding:0 3px}.daily-promo-cta{margin:0;font-size:.95rem;color:var(--accent);font-weight:600}.kotobatris-screen{display:flex;flex-direction:column;align-items:center;caret-color:transparent;gap:var(--space-unit);width:100%;max-width:520px;margin:0 auto;flex:1;min-height:0}.kotobatris-footer-logo{margin-top:auto;padding-top:calc(var(--space-unit) * 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2);white-space:nowrap;overflow-x:auto}.kotobatris-hud-item{font-variant-numeric:tabular-nums;font-weight:600;color:var(--text);flex-shrink:0}.kotobatris-hud-timer{color:var(--color-text-muted);font-size:.95rem}.kotobatris-hud-last-word{font-size:.9rem;font-weight:500;color:var(--color-text-muted)}.kotobatris-timer-row{display:flex;align-items:center;gap:calc(var(--space-unit) * .5);width:100%;max-width:520px;margin-bottom:calc(var(--space-unit) * .5)}.kotobatris-progress-bar{flex:1;min-width:0;height:6px;background:var(--surface2);border-radius:3px;overflow:hidden}.kotobatris-skip-timer-btn{flex-shrink:0;min-width:36px;height:28px;padding:0 8px;font-size:.9rem;font-weight:600;color:var(--accent);background:var(--surface2);border:1px solid var(--border);border-radius:6px;cursor:pointer;transition:border-color .15s ease,background-color .15s ease}.kotobatris-skip-timer-btn:hover:not(:disabled){border-color:var(--accent);background:rgba(var(--accent-rgb),.1)}.kotobatris-skip-timer-btn:disabled{opacity:.5;cursor:default}.kotobatris-skip-timer-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.kotobatris-progress-bar-fill{height:100%;background:hsl(calc(120 - var(--kotobatris-urgency, 0) * 120),60%,50%);border-radius:3px;transition:width .2s linear,background .15s ease}.kotobatris-panel .grid5x5-cell{transition:color .2s ease,border-color .2s ease;position:relative}.grid5x5-cell--kotobatris-blue{color:#1a6b1a;border-color:#39ac60;background:linear-gradient(165deg,#f5fef5,#f0f9f0,#e8f2e5)}.grid5x5-cell--kotobatris-pink{color:#8b2d5c;border-color:#cb4d8c;background:linear-gradient(165deg,#fef5fa,#f9f0f5,#f2e5ed)}.grid5x5-cell--kotobatris-blue.grid5x5-cell--kotobatris-pink{color:#4a2d6b;border-color:#4650b9;background:linear-gradient(165deg,#f5f2fa,#f0edf5,#e8e5f2)}.kotobatris-cell-score{position:absolute;bottom:2px;right:4px;font-size:.55rem;font-weight:600;color:var(--color-text-muted);line-height:1}.kotobatris-cell-modifiers{position:absolute;top:2px;left:4px;font-size:.5rem;font-weight:700;line-height:1.2;white-space:nowrap}.kotobatris-cell-modifier--letter{color:#1a6b1a}.kotobatris-cell-modifier--word{color:#8b2d5c}.kotobatris-letters-reveal .grid5x5-cell:nth-child(9),.kotobatris-letters-reveal .grid5x5-cell:nth-child(13){animation:kotobatris-tile-reveal .15s ease-out both;animation-delay:0ms}.kotobatris-letters-reveal .grid5x5-cell:nth-child(10),.kotobatris-letters-reveal .grid5x5-cell:nth-child(14){animation:kotobatris-tile-reveal .15s ease-out both;animation-delay:50ms}.kotobatris-letters-reveal .grid5x5-cell:nth-child(11),.kotobatris-letters-reveal .grid5x5-cell:nth-child(15){animation:kotobatris-tile-reveal .15s ease-out both;animation-delay:.1s}.kotobatris-letters-reveal .grid5x5-cell:nth-child(12),.kotobatris-letters-reveal .grid5x5-cell:nth-child(16){animation:kotobatris-tile-reveal .15s ease-out both;animation-delay:.15s}.kotobatris-reveal-row-0 .grid5x5-cell:nth-child(1),.kotobatris-reveal-row-1 .grid5x5-cell:nth-child(5),.kotobatris-reveal-row-2 .grid5x5-cell:nth-child(9),.kotobatris-reveal-row-3 .grid5x5-cell:nth-child(13){animation:kotobatris-tile-reveal .15s ease-out both;animation-delay:0ms}.kotobatris-reveal-row-0 .grid5x5-cell:nth-child(2),.kotobatris-reveal-row-1 .grid5x5-cell:nth-child(6),.kotobatris-reveal-row-2 .grid5x5-cell:nth-child(10),.kotobatris-reveal-row-3 .grid5x5-cell:nth-child(14){animation:kotobatris-tile-reveal .15s ease-out both;animation-delay:50ms}.kotobatris-reveal-row-0 .grid5x5-cell:nth-child(3),.kotobatris-reveal-row-1 .grid5x5-cell:nth-child(7),.kotobatris-reveal-row-2 .grid5x5-cell:nth-child(11),.kotobatris-reveal-row-3 .grid5x5-cell:nth-child(15){animation:kotobatris-tile-reveal .15s ease-out both;animation-delay:.1s}.kotobatris-reveal-row-0 .grid5x5-cell:nth-child(4),.kotobatris-reveal-row-1 .grid5x5-cell:nth-child(8),.kotobatris-reveal-row-2 .grid5x5-cell:nth-child(12),.kotobatris-reveal-row-3 .grid5x5-cell:nth-child(16){animation:kotobatris-tile-reveal .15s ease-out both;animation-delay:.15s}@keyframes kotobatris-tile-reveal{0%{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}.kotobatris-panel .grid5x5-cell--filled:not(.grid5x5-cell--kotobatris-blue):not(.grid5x5-cell--kotobatris-pink){color:#000}.kotobatris-grid-with-points{display:flex;justify-content:center;width:100%}.kotobatris-grid-inner{position:relative;flex-shrink:0}.kotobatris-flash-row-0 .grid5x5-cell:nth-child(-n+4),.kotobatris-flash-row-1 .grid5x5-cell:nth-child(n+5):nth-child(-n+8),.kotobatris-flash-row-2 .grid5x5-cell:nth-child(n+9):nth-child(-n+12),.kotobatris-flash-row-3 .grid5x5-cell:nth-child(n+13){animation:kotobatris-flash-tile .4s ease-out forwards}@keyframes kotobatris-flash-tile{0%{box-shadow:0 1px 2px #00000026;background:var(--surface2)}30%{box-shadow:0 0 0 2px var(--success),0 0 12px #22c55e66;background:#22c55e40}to{box-shadow:0 1px 2px #00000026;background:var(--surface2)}}.kotobatris-point-indicators{position:absolute;left:100%;top:0;bottom:0;margin-left:10px;width:56px;pointer-events:none}.kotobatris-point-indicator{position:absolute;left:0;transform:translateY(-50%);font-size:.9rem;font-weight:700;color:var(--success);animation:kotobatris-point-pop .45s ease-out forwards}@keyframes kotobatris-point-pop{0%{opacity:0;transform:translateY(-50%) scale(.5)}15%{opacity:1;transform:translateY(-50%) scale(1.1)}30%{opacity:1;transform:translateY(-50%) scale(1)}to{opacity:0;transform:translateY(-50%) scale(1)}}.kotobatris-game-over{display:flex;flex-direction:column;align-items:center;gap:var(--space-unit);padding:calc(var(--space-unit) * .5) 0}.kotobatris-game-over-score{font-size:1.5rem;font-weight:700;margin:0;color:var(--text)}.kotobatris-game-over-new-record{margin:0;color:var(--success);font-weight:600}.kotobatris-game-over-saving{margin:0;color:var(--color-text-muted);font-size:.9rem}.kotobatris-game-over-actions{display:flex;flex-wrap:wrap;gap:var(--space-unit);justify-content:center;margin-top:calc(var(--space-unit) * .5)}.kotobatris-game-over-divider{flex-basis:100%;height:0;border-top:1px solid var(--color-border, rgba(255, 255, 255, .2));margin:calc(var(--space-unit) * .25) 0}.kotobatris-play-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:10;cursor:pointer;background:#000000bf;border-radius:14px}.kotobatris-play-btn{font-size:1.5rem;padding:.75rem 2rem}.kotobatris-panel{position:relative;padding-bottom:20px}.kotobatris-sfx-btn{position:absolute;top:12px;left:12px;width:36px;height:36px;padding:6px;display:flex;align-items:center;justify-content:center;color:var(--color-text-muted);background:var(--surface2);border:1px solid var(--border);border-radius:8px;cursor:pointer;z-index:10}.kotobatris-sfx-btn:hover{color:var(--text);background:var(--surface);border-color:var(--accent)}.kotobatris-help-btn{position:absolute;top:12px;right:12px;width:28px;height:28px;border-radius:50%;border:1px solid var(--border);background:var(--surface2);color:var(--text);font-size:1rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:5}.kotobatris-help-btn:hover{border-color:var(--accent);color:var(--accent)}.kotobatris-help-btn--overlay{position:absolute;top:12px;right:12px;z-index:11}.kotobatris-powerups{display:flex;flex-direction:column;align-items:center;gap:8px;margin-top:calc(var(--space-unit) * .5)}.kotobatris-powerup-buttons{display:flex;justify-content:center;gap:10px}.kotobatris-powerup-wrap{display:flex;flex-direction:column;align-items:center;gap:4px}.kotobatris-powerup-btn{width:var(--cell);height:var(--cell);min-width:0;display:flex;align-items:center;justify-content:center;padding:0;color:var(--accent);background:var(--surface2);border:2px solid var(--border);border-radius:10px;cursor:pointer;transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;-webkit-user-select:none;user-select:none}.kotobatris-powerup-btn:hover:not(:disabled){border-color:var(--accent)}.kotobatris-powerup-btn--active{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent)}.kotobatris-powerup-btn--disabled{opacity:.4;cursor:not-allowed}.kotobatris-powerup-icon{width:clamp(18px,3.5vw,28px);height:clamp(18px,3.5vw,28px);flex-shrink:0;display:flex;align-items:center;justify-content:center}.kotobatris-powerup-icon--star{font-size:clamp(18px,3.5vw,28px);font-weight:600;line-height:1}.kotobatris-powerup-count{font-size:.7rem;font-weight:600;color:var(--color-text-muted);-webkit-user-select:none;user-select:none;cursor:default}.kotobatris-board-actions{display:flex;justify-content:center;margin-top:calc(var(--space-unit) * .5)}.kotobatris-restart-confirm{display:flex;flex-direction:column;align-items:center;gap:var(--space-unit);padding:calc(var(--space-unit) * .5) 0}.kotobatris-restart-confirm p{margin:0;text-align:center}.kotobatris-how-to-play{display:flex;flex-direction:column;gap:calc(var(--space-unit) * 1.5);max-width:36rem}.kotobatris-htp-intro{margin:0;font-size:1rem;line-height:1.6;color:var(--text)}.kotobatris-htp-section{display:flex;flex-direction:column;gap:calc(var(--space-unit) * .5)}.kotobatris-htp-section p{margin:0;font-size:.9rem;line-height:1.55;color:var(--text)}.kotobatris-htp-heading{margin:0;font-size:.85rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}.kotobatris-htp-list{margin:0;padding-left:1.25em;font-size:.9rem;line-height:1.6;color:var(--text)}.kotobatris-htp-list li{margin-bottom:.35em}.kotobatris-htp-list li:last-child{margin-bottom:0}.kotobatris-htp-badge{display:inline-block;padding:.1em .45em;font-size:.8em;font-weight:600;border-radius:4px;vertical-align:.05em}.kotobatris-htp-badge--green{background:#2e6b4266;color:#88dda4}.kotobatris-htp-badge--pink{background:#81315966;color:#f0a8cc}.kotobatris-panel[class*=kotobatris-pending-row-] .grid5x5{position:relative}.kotobatris-pending-row-0 .grid5x5-cell:nth-child(-n+4),.kotobatris-pending-row-1 .grid5x5-cell:nth-child(n+5):nth-child(-n+8),.kotobatris-pending-row-2 .grid5x5-cell:nth-child(n+9):nth-child(-n+12),.kotobatris-pending-row-3 .grid5x5-cell:nth-child(n+13){animation:kotobatris-pending-pulse calc(4s - var(--kotobatris-urgency, 0) * 2s) ease-in-out infinite}@keyframes kotobatris-pending-pulse{0%,to{box-shadow:0 1px 2px #00000026;border-color:var(--border)}50%{box-shadow:0 0 0 1px hsla(calc(120 - var(--kotobatris-urgency, 0) * 120),60%,50%,.12);border-color:hsla(calc(120 - var(--kotobatris-urgency, 0) * 120),60%,50%,.15)}}.error-boundary{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;padding:var(--space-unit);background:var(--bg);color:var(--text)}.error-boundary-panel{max-width:360px;padding:calc(var(--space-unit) * 3);background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-panel);text-align:center}.error-boundary-title{margin:0 0 calc(var(--space-unit) * 1.5);font-size:1.25rem;font-weight:600}.error-boundary-message{margin:0 0 calc(var(--space-unit) * 2);font-size:.95rem;color:var(--muted);line-height:1.5}