.modal.tutorial{--tut-accent: var(--cyan);width:min(560px,calc(100vw - 24px));padding:18px 20px 20px;border:0;box-shadow:0 0 36px color-mix(in srgb,var(--tut-accent) 26%,transparent)}.tutorial[data-game=cells]{--tut-accent: var(--green)}.tutorial[data-game=battleship]{--tut-accent: var(--pink)}.tutorial[data-game=td]{--tut-accent: #ffb700}.modal.tutorial:before{content:"";position:absolute;inset:0;padding:1.5px;border-radius:inherit;background:linear-gradient(135deg,var(--tut-accent),var(--violet) 30%,transparent 50%,var(--pink) 75%,var(--tut-accent));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}.tut-kicker{margin:0;font:800 11px/1.4 var(--font);letter-spacing:.28em;text-transform:uppercase;color:var(--tut-accent);text-shadow:0 0 10px var(--tut-accent)}.tut-kicker:before{content:"// ";opacity:.6}.tutorial .tut-title{margin:2px 0 12px;font-size:clamp(20px,5.6vw,26px);letter-spacing:.02em;text-shadow:0 0 18px color-mix(in srgb,var(--tut-accent) 55%,transparent)}[data-theme=light] .tut-kicker{color:var(--muted);text-shadow:none}.tut-screen{position:relative;width:min(100%,max(220px,calc((100dvh - 300px) * 16 / 9)));aspect-ratio:16 / 9;margin:0 auto;overflow:hidden;border-radius:14px;background:linear-gradient(transparent 0 calc(100% - 1px),#00f0ff0d 0) 0 0 / 20px 20px,linear-gradient(90deg,transparent 0 calc(100% - 1px),rgba(0,240,255,.05) 0) 0 0 / 20px 20px,radial-gradient(ellipse at 50% 40%,#151a36,#05060c 75%);box-shadow:0 0 28px color-mix(in srgb,var(--tut-accent) 22%,transparent)}.tut-canvas{display:block;width:100%;height:100%}.tut-screen:after{content:"";position:absolute;inset:0;border-radius:inherit;background:repeating-linear-gradient(to bottom,rgba(255,255,255,.05) 0 1px,transparent 1px 3px),radial-gradient(ellipse at center,transparent 55%,rgba(0,0,0,.5));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--tut-accent) 50%,transparent);pointer-events:none}.tut-screen:before{content:"";position:absolute;inset:0 0 auto;z-index:1;height:28%;background:linear-gradient(transparent,color-mix(in srgb,var(--tut-accent) 12%,transparent),transparent);animation:tut-scan 3.2s linear infinite;pointer-events:none}@keyframes tut-scan{0%{transform:translateY(-100%)}to{transform:translateY(360%)}}.tut-list{display:grid;gap:7px;margin:14px 0 16px;padding:0;list-style:none}.tut-list li{position:relative;padding-left:20px;font-size:14px;font-weight:700;line-height:1.35}.tut-list li:before{content:"";position:absolute;left:3px;top:6px;width:7px;height:7px;background:var(--tut-accent);box-shadow:0 0 8px var(--tut-accent);transform:rotate(45deg)}.btn.primary.tut-go{width:100%;min-height:52px;font:900 15px var(--display);letter-spacing:.06em}@media(max-width:420px){.modal.tutorial{padding:16px 14px}.tut-list li{font-size:13.5px}}.help-btn{display:inline-flex;align-items:center;justify-content:center;gap:5px;min-width:48px;min-height:40px;padding:4px 10px;border:1px solid rgba(0,240,255,.45);border-radius:10px;background:#05070ed9;color:var(--cyan);font:900 14px/1 var(--display);text-shadow:0 0 8px rgba(0,240,255,.8);box-shadow:0 0 12px #00f0ff40;transition:transform .12s,box-shadow .2s,border-color .2s;touch-action:manipulation;animation:help-glitch 5s steps(1) infinite}.help-btn b{color:#fff;font-weight:900}.help-btn:hover,.help-btn:focus-visible{border-color:var(--cyan);box-shadow:0 0 18px #00f0ff80;animation-duration:1.2s}.help-btn:active{transform:scale(.93)}.help-btn.corner{position:absolute;top:8px;right:8px;z-index:5}@keyframes help-glitch{0%,88%,to{translate:none;text-shadow:0 0 8px rgba(0,240,255,.8)}90%{translate:1px -1px;text-shadow:-2px 0 var(--pink),2px 0 var(--cyan)}94%{translate:-1px 1px;text-shadow:2px 0 var(--pink),-2px 0 var(--amber)}}@media(min-width:768px){html:not(.eco) .modal.tutorial{box-shadow:var(--shadow),0 0 50px color-mix(in srgb,var(--tut-accent) 26%,transparent)}html:not(.eco) .help-btn{background:#05070eb8;backdrop-filter:blur(4px);box-shadow:0 0 12px #00f0ff33,inset 0 0 10px #00f0ff14}html:not(.eco) .help-btn:hover,html:not(.eco) .help-btn:focus-visible{box-shadow:0 0 18px #00f0ff80,inset 0 0 12px #00f0ff26}}@media(min-width:768px)and (prefers-reduced-motion:no-preference){html:not(.eco):not(.reduce-motion) .modal.tutorial:before{animation:hue 6s linear infinite}}.reduce-motion .help-btn,.eco .help-btn{animation:none}.reduce-motion .tut-screen:before,.eco .tut-screen:before{display:none}@media(prefers-reduced-motion:reduce){.help-btn{animation:none}.tut-screen:before{display:none}}