:root{color-scheme:dark;--color-bg-deep: #060912;--color-bg-base: #0b1020;--color-bg-elevated: #141b2f;--color-accent: #7c5cff;--color-accent-soft: rgba(124, 92, 255, .22);--color-accent-glow: rgba(124, 92, 255, .45);--color-cyan: #4fd1ff;--color-text: #eef2ff;--color-text-muted: #9aa4c7;--color-border: rgba(255, 255, 255, .1);--color-border-strong: rgba(255, 255, 255, .18);--color-danger: #ff6b8a;--color-success: #5ee4a0;--glass-bg: rgba(255, 255, 255, .06);--glass-bg-strong: rgba(255, 255, 255, .1);--glass-blur: 24px;--glass-border: rgba(255, 255, 255, .14);--glass-shadow: 0 8px 32px rgba(0, 0, 0, .35);--radius-sm: .5rem;--radius-md: .875rem;--radius-lg: 1.25rem;--radius-xl: 1.75rem;--font-sans: "Inter", system-ui, -apple-system, sans-serif;--nav-height: 4.25rem;--content-max: 72rem;--game-snake: #5ee4a0;--game-connect4: #ff6b8a;--game-quiz: #a78bfa}[data-theme=violet]{--color-accent: #7c5cff;--color-accent-soft: rgba(124, 92, 255, .22);--color-accent-glow: rgba(124, 92, 255, 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.page-subtitle{margin-left:auto;margin-right:auto}.play-section-page__back{display:inline-block;margin-bottom:1.25rem;color:var(--color-accent);text-decoration:none;font-size:.92rem}.play-section-page__back:hover{text-decoration:underline}@media(max-width:900px){.play-mode-grid{grid-template-columns:1fr;max-width:min(100%,20rem);gap:1.5rem}.play-mode-card{padding:.75rem .25rem;gap:1rem}.play-mode-card__icon-wrap{padding:.85rem}.play-mode-card__icon{width:8.5rem;height:8.5rem}.play-mode-card__label{font-size:2.1rem}}.welcome-card{width:min(100%,32rem);padding:2rem 1.5rem;text-align:center}.welcome-card__icon{width:4rem;height:4rem;margin:0 auto 1.25rem;color:var(--color-accent)}.welcome-card h1{margin:0 0 .75rem;font-size:clamp(1.5rem,4vw,2rem)}.welcome-card p{margin:0 0 1.5rem;color:var(--color-text-muted);line-height:1.6}.welcome-actions{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap;margin-top:1.5rem}.welcome-topbar{position:fixed;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:center;padding:1rem 1.25rem;z-index:10}.home-welcome{text-align:center;margin-bottom:0}.home-welcome--splash{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:calc(100svh - var(--nav-height) - 5.5rem);padding:1rem}.home-welcome--splash .home-welcome__primary,.home-welcome--splash .home-welcome__brand{font-size:clamp(3.25rem,14vw,6.75rem)}.home-welcome--settled{padding:1.5rem 1rem .75rem;min-height:0}.home-welcome--settled .home-welcome__primary,.home-welcome--settled .home-welcome__brand{font-size:clamp(2.25rem,7vw,3.75rem)}.home-welcome__primary{margin:0;color:#fff;font-weight:700;letter-spacing:-.04em;line-height:1.05}.home-welcome__brand{margin:.08em 0 0;font-weight:700;letter-spacing:-.04em;line-height:1.05;background:linear-gradient(135deg,var(--color-accent) 0%,var(--color-cyan) 100%);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 0 28px var(--color-accent-glow))}.home-intro{max-width:38rem;margin:0 auto 2rem;text-align:center;color:var(--color-text-muted);font-size:clamp(1rem,2.4vw,1.125rem);line-height:1.65}.home-featured{margin-top:2rem}.home-featured__title{font-size:1.35rem}.hero-card{padding:2rem;margin-bottom:1.5rem}.hero-card__badge{display:inline-block;margin-bottom:.75rem}.hero-card__title{margin:0 0 .75rem;font-size:clamp(2rem,6vw,3rem);letter-spacing:-.03em}.hero-card__subtitle{margin:0;color:var(--color-text-muted);max-width:36rem;line-height:1.6}.mode-card{padding:1.25rem;height:100%}.mode-card__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.75rem}.mode-card__icon{width:2rem;height:2rem;color:var(--color-accent);margin-bottom:.75rem}.mode-card h3{margin:0 0 .35rem}.mode-card p{margin:0;color:var(--color-text-muted);font-size:.9rem;line-height:1.5}.settings-section{padding:1.25rem;margin-bottom:1rem}.settings-section h2{margin:0 0 1rem;font-size:1.1rem}.range-field{margin-bottom:1rem}.range-field label{display:flex;justify-content:space-between;margin-bottom:.35rem;font-size:.875rem;color:var(--color-text-muted)}.range-field input[type=range]{width:100%;accent-color:var(--color-accent)}@media(max-width:768px){.admin-layout{grid-template-columns:1fr}}