:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--next-block-size: 80px;--char-block-size: 2.15rem;--font-char-block-size: 1.7rem;--color-background: #242424;--color-game-background: #1e1e1e;--color-panel-background: #2e2e2e;--color-text: rgba(255, 255, 255, .87);--color-text-muted: rgba(255, 255, 255, .5);--color-accent: #646cff;--color-accent-hover: #535bf2;--color-block: #ffffff;--font-primary: "Space Grotesk", sans-serif;--font-monospace: "Courier New", Courier, monospace;--font-heading-weight: 600;--font-body-weight: 400;--font-heading-size: 2rem;--font-body-size: 1rem}body{color:var(--color-text);background-color:var(--color-background);font-family:var(--font-primary);font-weight:var(--font-body-weight);font-size:var(--font-body-size)}a{font-weight:500;color:var(--color-accent);text-decoration:inherit}a:hover{color:var(--color-accent-hover)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;display:grid;place-items:center}h1{font-size:3.2em;line-height:1.1}#app{margin:0 auto;padding:1rem;text-align:center}#game{max-width:1280px;min-width:480px;width:fit-content;margin:0 auto;display:grid;grid-template-columns:160px auto;border-radius:1rem;background-color:var(--color-panel-background);padding:.25rem}#main-text{display:flex;flex-direction:column;gap:.25rem}#main-text #heading{font-size:var(--font-heading-size);font-weight:var(--font-heading-weight)}#main-text #instructions{font-size:.65rem;line-height:1.4;margin-bottom:1rem;color:var(--color-text-muted)}#main-area{height:fit-content;min-width:320px;padding:2rem;border-radius:.8rem;background-color:var(--color-game-background)}#side-panel{width:100%;display:grid;grid-template-rows:auto auto 1fr;gap:1.5rem;padding:2rem;margin-right:1.5rem}.panel-label{font-size:.55rem;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.1em}#score-section{text-align:center}#score{font-size:1.5rem;font-weight:var(--font-heading-weight)}#next-section{text-align:center}#next-block{width:var(--next-block-size);height:var(--next-block-size);margin:0 auto;border-radius:.5rem;display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(4,1fr);padding:.25rem}#next-block .preview-cell{width:100%;height:100%;display:grid;place-items:center;font-size:.7rem;font-family:var(--font-monospace);color:var(--color-block)}.row{display:flex;width:100%}.col{width:var(--char-block-size);height:var(--char-block-size);font-size:var(--font-char-block-size);line-height:var(--char-block-size);display:grid;place-items:center;font-family:var(--font-monospace)}footer{text-align:center;margin:2rem}footer .footer-text{font-size:.75rem;color:var(--color-text-muted)}#controls-instructions{display:flex;align-items:center;justify-content:center;gap:.5rem;margin-top:1.5rem;font-size:.8rem;color:var(--color-text-muted)}#controls-instructions .key{display:inline-flex;align-items:center;justify-content:center;min-width:1.5rem;padding:.2rem .4rem;background-color:var(--color-panel-background);border:1px solid var(--color-text-muted);border-radius:.25rem;font-family:var(--font-monospace);font-size:.7rem}#controls-instructions .divider{opacity:.3;margin:0 .25rem}#theme-selector-container{display:flex;align-items:flex-start;flex-direction:column;justify-content:flex-end;gap:.35rem}.custom-dropdown{position:relative;width:100%}.dropdown-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;padding:.5rem .75rem;border-radius:.5rem;border:1px solid var(--color-text-muted);background-color:var(--color-game-background);color:var(--color-text);font-family:inherit;font-size:.8rem;cursor:pointer;transition:border-color .2s,background-color .2s,box-shadow .2s}.dropdown-toggle:hover{border-color:var(--color-accent);background-color:var(--color-panel-background)}.dropdown-toggle:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 2px #646cff33}.dropdown-arrow{transition:transform .2s ease;opacity:.7}.custom-dropdown.open .dropdown-arrow{transform:rotate(180deg)}.dropdown-menu{position:absolute;top:calc(100% + 4px);left:0;right:0;background-color:var(--color-game-background);border:1px solid var(--color-text-muted);border-radius:.5rem;padding:.25rem;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .15s ease,transform .15s ease,visibility .15s;z-index:100;max-height:200px;overflow-y:auto;box-shadow:0 4px 12px #0000004d}.custom-dropdown.open .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}.dropdown-option{display:flex;align-items:center;gap:.5rem;width:100%;padding:.5rem .6rem;border:none;border-radius:.35rem;background:transparent;color:var(--color-text);font-family:inherit;font-size:.75rem;cursor:pointer;transition:background-color .15s;text-align:left}.dropdown-option:hover{background-color:var(--color-panel-background)}.dropdown-option.selected{background-color:var(--color-accent);color:#fff}.col{color:var(--color-block)}:root.electronika #game{text-shadow:0 0 10px rgba(70,240,106,.18)}:root.electronika #main-area{position:relative;overflow:hidden}:root.electronika #main-area:before{content:"";position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(to bottom,#0000 0px 2px,#000c 3px);opacity:.75;mix-blend-mode:multiply}:root.electronika #main-area:after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at center,#0000,#00000059 70%,#000000a6)}