: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, .45)}[data-theme=cyan]{--color-accent: #4fd1ff;--color-accent-soft: rgba(79, 209, 255, .22);--color-accent-glow: rgba(79, 209, 255, .45)}[data-theme=rose]{--color-accent: #ff6b8a;--color-accent-soft: rgba(255, 107, 138, .22);--color-accent-glow: rgba(255, 107, 138, .45)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}*,*:before,*:after{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg-deep);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.page-bg{position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;overflow:hidden;background:radial-gradient(circle at 15% 10%,rgba(124,92,255,.18),transparent 35%),radial-gradient(circle at 85% 20%,rgba(79,209,255,.12),transparent 30%),linear-gradient(180deg,var(--color-bg-base) 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2rem;color:var(--color-text-muted);line-height:1.6;max-width:42rem}.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem}.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}.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}@media(max-width:768px){.app-main{width:min(100% - 1.25rem,var(--content-max));padding-bottom:5.5rem}}.glass-panel{position:relative;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--glass-shadow);overflow:hidden}@supports ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))){.glass-panel{-webkit-backdrop-filter:blur(var(--glass-blur)) saturate(160%);backdrop-filter:blur(var(--glass-blur)) saturate(160%)}}.glass-panel:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;pointer-events:none;background:linear-gradient(135deg,rgba(255,255,255,.12) 0%,rgba(255,255,255,.02) 40%,transparent 60%)}.glass-panel__content{position:relative;z-index:1}.glass-panel--strong{background:var(--glass-bg-strong)}.glass-panel--glow{box-shadow:var(--glass-shadow),0 0 40px var(--color-accent-soft)}.glass-button{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.25rem;border:1px solid var(--glass-border);border-radius:var(--radius-md);background:var(--glass-bg);color:var(--color-text);cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease}@supports ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))){.glass-button{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}}.glass-button:hover:not(:disabled){transform:translateY(-1px);border-color:var(--color-border-strong);box-shadow:0 0 24px var(--color-accent-soft)}.glass-button:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.glass-button:disabled{opacity:.5;cursor:not-allowed}.glass-button--primary{background:linear-gradient(135deg,#7c5cff59,#4fd1ff33);border-color:#7c5cff73}.glass-button--ghost{background:transparent}.glass-button--sm{padding:.5rem .875rem;font-size:.875rem}.badge{display:inline-flex;align-items:center;padding:.2rem 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var(--color-accent-glow)}.glow-logo__text{background:linear-gradient(135deg,#fff,#c9b8ff);-webkit-background-clip:text;background-clip:text;color:transparent}.game-card{cursor:pointer;transition:transform .2s ease,box-shadow .2s ease}.game-card:hover{transform:translateY(-3px);box-shadow:var(--glass-shadow),0 0 30px var(--color-accent-soft)}.game-card__accent{height:4px;border-radius:var(--radius-lg) var(--radius-lg) 0 0}.game-card__body{padding:1.25rem}.game-card__icon{width:2.5rem;height:2.5rem;margin-bottom:.75rem;color:var(--color-accent)}.game-card__title{margin:0 0 .35rem;font-size:1.1rem}.game-card__desc{margin:0;color:var(--color-text-muted);font-size:.9rem;line-height:1.5}.form-field{display:flex;flex-direction:column;gap:.4rem;margin-bottom:1rem}.form-field label{font-size:.875rem;color:var(--color-text-muted)}.form-field input,.form-field select{padding:.75rem 1rem;border-radius:var(--radius-md);border:1px solid 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#ff6b8a}.game-dpad{display:none;margin-top:1rem;flex-direction:column;align-items:center;gap:.35rem}.game-dpad__row{display:flex;gap:.35rem}.game-dpad__btn{width:3rem;height:3rem;border-radius:var(--radius-md);border:1px solid var(--glass-border);background:var(--glass-bg);color:var(--color-text);font-size:1.25rem;cursor:pointer}@media(max-width:768px){.game-dpad{display:flex}}.game-board--connect4{display:grid;grid-template-columns:repeat(7,1fr);grid-template-rows:repeat(6,1fr);gap:6px;max-width:min(100%,380px);margin:0 auto;padding:12px;background:linear-gradient(180deg,#1a3a8a,#0d2247);border-radius:var(--radius-lg)}.game-cell--connect4-slot{aspect-ratio:1;border-radius:50%;border:none;background:#00000059;cursor:pointer;transition:background .15s ease,transform .2s ease}.game-cell--connect4-slot:hover:not(:disabled){background:#ffffff1f}.game-cell--p1{background:radial-gradient(circle at 30% 30%,#ff8fa3,#ff6b8a);box-shadow:inset 0 -3px 6px #0000004d}.game-cell--p2{background:radial-gradient(circle at 30% 30%,#ffe066,#ffd166);box-shadow:inset 0 -3px 6px #0000004d}.game-cell--drop{animation:discDrop .25s ease-out}@keyframes discDrop{0%{transform:translateY(-80%)}to{transform:translateY(0)}}.game-p1{color:#ff6b8a}.game-p2{color:#ffd166}.game-winner{color:var(--game-accent);font-weight:600}.game-board--chess{display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr);max-width:min(100vw - 3rem,440px);margin:0 auto;border-radius:var(--radius-md);overflow:hidden;box-shadow:0 8px 32px #0006}.game-cell--chess{aspect-ratio:1;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;padding:0}.game-cell--light{background:#e8d5b5}.game-cell--dark{background:#b58863}.game-cell--selected{box-shadow:inset 0 0 0 3px var(--color-accent)}.game-cell--target{background:color-mix(in srgb,var(--color-success) 45%,inherit)!important}.game-piece{font-size:clamp(1.5rem,6vw,2.25rem);line-height:1;-webkit-user-select:none;user-select:none;filter:drop-shadow(0 2px 2px rgba(0,0,0,.35))}.game-promotion{margin-top:1rem;padding:1rem;background:#00000040;border-radius:var(--radius-md);text-align:center}.game-promotion__choices{display:flex;gap:.5rem;justify-content:center;flex-wrap:wrap;margin-top:.75rem}@media(prefers-reduced-motion:reduce){.game-cell--drop{animation:none}}.game-quiz{max-width:640px;margin:0 auto}.game-quiz--center{text-align:center;padding:2rem 0}.quiz-question{font-size:1.25rem;margin:1rem 0;line-height:1.4}.quiz-answers{display:grid;gap:.75rem}.quiz-answer{padding:1rem;border-radius:var(--radius-md);border:1px solid var(--color-border);background:#00000040;color:var(--color-text);cursor:pointer;text-align:left;font-size:1rem}.quiz-answer:hover:not(:disabled){border-color:var(--game-quiz);box-shadow:0 0 16px color-mix(in srgb,var(--game-quiz) 30%,transparent)}.quiz-answer--correct{border-color:var(--color-success);background:color-mix(in srgb,var(--color-success) 20%,transparent)}.quiz-answer--wrong{opacity:.55}.quiz-lobby-list{list-style:none;padding:0;margin:0 0 1rem}.quiz-lobby-list li{padding:.35rem 0}.quiz-code{font-size:1.1rem;margin:1rem 0}.quiz-scores,.quiz-scores-inline{margin-top:1rem}.quiz-scores-inline{display:flex;flex-wrap:wrap;gap:.5rem}.quiz-explanation{margin-top:1rem;color:var(--color-text-muted);font-size:.95rem}.admin-table{width:100%;border-collapse:collapse;font-size:.9rem}.admin-table th,.admin-table td{padding:.5rem .75rem;border-bottom:1px solid var(--color-border);text-align:left;vertical-align:top}.admin-table th{color:var(--color-text-muted);font-weight:600}