/* PIPE FLOW · Alexo game module. Global navigation, footer, theme controller, language routes and recommendations remain central. */
:root{color-scheme:dark;--bg:#0b0e16;--panel:#111620;--panel-2:#151b27;--line:#252d3b;--text:#f2f3f8;--muted:#9ba7bb;--lime:#d7fb86;--violet:#ab97ff;--cyan:#7ee3d5;--pink:#ed9ac1;--pf-coral:#ff7d7d;--pf-cyan:#57d4ec;--pf-lime:#b8db63;--pf-violet:#aa91ee;--pf-amber:#f2bb5d;--pf-blue:#6d9bf2;--pf-pink:#e985bd;--pf-teal:#5fc3b4;font-family:Inter,"Segoe UI",Arial,sans-serif;font-synthesis:none}
:root[data-theme="light"]{color-scheme:light;--bg:#f4f6fb;--panel:#fff;--panel-2:#edf1f8;--line:#d2d9e6;--text:#192740;--muted:#53627a;--lime:#527313;--violet:#7557a7;--cyan:#187f89;--pink:#a95077;--pf-coral:#c94f5c;--pf-cyan:#138aa4;--pf-lime:#668f20;--pf-violet:#7457b0;--pf-amber:#a56a00;--pf-blue:#386fc5;--pf-pink:#b44583;--pf-teal:#267f73}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body.pipe-flow-page{margin:0;background:radial-gradient(ellipse at 50% 12%,color-mix(in srgb,var(--violet) 12%,transparent),transparent 42%),var(--bg);color:var(--text);font-size:15px;line-height:1.6}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.4}a{color:inherit}button,a,summary{touch-action:manipulation}button:focus-visible,a:focus-visible,summary:focus-visible,canvas:focus-visible{outline:3px solid var(--lime);outline-offset:3px}.pf-icon{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle;flex-shrink:0}.svg-library{position:absolute;width:0;height:0;overflow:hidden}.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.skip-link{position:fixed;top:-80px;left:20px;z-index:200;padding:12px 20px;background:var(--lime);color:var(--bg);border-radius:9px;text-decoration:none}.skip-link:focus{top:12px}
.pf-page-main{max-width:1248px;margin:0 auto;padding:0 36px}.pf-kicker{margin:0;color:var(--muted);font-size:10px;font-weight:800;letter-spacing:.15em;text-transform:uppercase}.pf-hero{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;padding:38px 0 30px}.pf-hero h1{margin:8px 0 0;font-size:clamp(42px,6vw,72px);line-height:.95;letter-spacing:-.065em}.pf-title-dot{color:var(--lime)}.pf-hero-sub{max-width:760px;margin:13px 0 0;color:var(--muted);font-size:15px;line-height:1.7}.pf-hero-tags{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:7px;padding-bottom:4px}.pf-hero-tags span{padding:5px 11px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:10px;white-space:nowrap}.pf-hero-tags span:first-child{border-color:color-mix(in srgb,var(--lime) 38%,var(--line));color:var(--lime);background:color-mix(in srgb,var(--lime) 7%,transparent)}
.pipe-flow-module{scroll-margin-top:16px}.pf-game-shell{position:relative;overflow:hidden;border:1px solid color-mix(in srgb,var(--line) 86%,var(--violet));border-radius:18px;background:var(--panel);box-shadow:0 20px 70px #0003}.pf-control-topbar{min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:7px 10px;border-bottom:1px solid var(--line)}.pf-theme-options,.pf-topbar-actions{display:flex;align-items:center;gap:4px}.pf-theme-options{padding:2px;border:1px solid var(--line);border-radius:10px;background:color-mix(in srgb,var(--panel-2) 78%,transparent)}.pf-theme-option,.pf-topbar-action{min-height:42px;display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:7px 9px;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--muted);font-size:10px;font-weight:750}.pf-theme-option:hover,.pf-topbar-action:hover{color:var(--text);border-color:var(--line)}.pf-theme-option[aria-pressed="true"],.pf-topbar-action[aria-pressed="true"]{background:color-mix(in srgb,var(--lime) 13%,var(--panel));border-color:color-mix(in srgb,var(--lime) 45%,var(--line));color:var(--lime)}.pf-focus-action{min-width:88px;border-color:color-mix(in srgb,var(--violet) 50%,var(--line))}
.pf-support-row{display:flex;justify-content:center;padding:8px 10px 0}.alexo-kofi{--kofi-color:#ca73f5;display:flex;width:100%;align-items:center;min-width:0}.alexo-kofi a.alexo-kofi-button{display:inline-flex!important;width:100%;min-height:40px!important;align-items:center;justify-content:center;gap:7px;margin:0!important;padding:7px 12px!important;border:1px solid #66357d!important;border-radius:9px!important;background:var(--kofi-color)!important;color:#251331!important;box-shadow:none!important;text-shadow:none!important;font:750 11px/1.35 inherit!important;text-decoration:none!important;text-align:center!important;white-space:normal!important}.alexo-kofi .alexo-kofi-button:hover{filter:brightness(1.05)}.alexo-kofi .alexo-kofi-button:focus-visible{outline:3px solid var(--text);outline-offset:3px}.alexo-kofi .alexo-kofi-button span{color:inherit!important;font:inherit!important}.alexo-kofi .alexo-kofi-button img{width:23px!important;height:19px!important;object-fit:contain;animation:none!important;transform:none!important}.alexo-support-heart{font-size:15px!important;line-height:1}
.pf-preview-row{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:7px;padding:8px 10px 10px;border-bottom:1px solid var(--line)}.pf-preview-label{font-size:8px;font-weight:800;letter-spacing:.15em;text-transform:uppercase;color:var(--muted)}.pf-chip{min-height:40px;padding:8px 11px;border:1px dashed color-mix(in srgb,var(--violet) 60%,var(--line));border-radius:9px;background:color-mix(in srgb,var(--violet) 8%,var(--panel));color:var(--violet);font-size:10px;font-weight:750}.pf-chip:hover{background:color-mix(in srgb,var(--violet) 15%,var(--panel))}
.pf-play-area{position:relative}.pf-game-main{display:grid;grid-template-columns:minmax(0,1fr) minmax(235px,300px);gap:22px;padding:18px}.pf-board-column{min-width:0}.pf-board-wrap{display:grid;place-items:center;min-width:0}.pf-board{width:min(100%,680px);aspect-ratio:1;display:grid;place-items:center;touch-action:none;user-select:none}.pf-board canvas{display:block;max-width:100%;border:1px solid var(--line);border-radius:15px;background:#0d121d;box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--line) 35%,transparent);touch-action:none;user-select:none;-webkit-user-select:none}.pf-storage-note{max-width:680px;margin:9px auto 0;color:var(--muted);font-size:9px;line-height:1.5;text-align:center}.pf-side{display:flex;flex-direction:column;gap:12px;min-width:0}.pf-level-meta{padding:16px;border:1px solid var(--line);border-radius:13px;background:color-mix(in srgb,var(--panel) 93%,var(--violet))}.pf-level-line{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.pf-level-line strong{font-size:22px;letter-spacing:-.035em}.pf-level-line span{color:var(--muted);font-size:10px}.pf-status{margin:10px 0 0;color:var(--muted);font-size:12px;line-height:1.55}.pf-meter{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;font-size:11px;font-weight:800}.pf-stars{color:#e8a72f;letter-spacing:.06em}.pf-progress{font-variant-numeric:tabular-nums}.pf-actions{display:grid;grid-template-columns:1fr 1fr;gap:7px}.pf-action{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 10px;border:1px solid var(--line);border-radius:9px;background:var(--panel-2);font-size:11px;font-weight:750}.pf-action:hover{border-color:color-mix(in srgb,var(--violet) 55%,var(--line))}.pf-action.is-primary{grid-column:1/-1;background:var(--text);color:var(--panel);border-color:var(--text)}.pf-side-note{margin:0;padding:3px 2px 0;color:var(--muted);font-size:11px;line-height:1.65}
.pf-overlay{position:absolute;inset:0;z-index:8;display:grid;place-items:center;padding:18px;background:color-mix(in srgb,#070b12 67%,transparent);backdrop-filter:blur(5px)}.pf-overlay[hidden]{display:none}.pf-overlay-card{width:min(92%,390px);padding:25px;border:1px solid var(--line);border-radius:17px;background:var(--panel);text-align:center;box-shadow:0 24px 70px #0007}.pf-overlay-card h2{margin:0 0 9px;font-size:30px;letter-spacing:-.04em}.pf-overlay-card p{margin:0 0 18px;color:var(--muted);font-size:13px;line-height:1.6}.pf-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:10px 16px;border:1px solid var(--line);border-radius:9px;background:var(--panel-2);font-size:12px;font-weight:750;text-decoration:none}.pf-button.primary{background:var(--lime);border-color:var(--lime);color:var(--bg)}
.pf-level-panel{position:fixed;inset:0;z-index:100;overflow:auto;padding:clamp(10px,4vw,38px);background:color-mix(in srgb,#070b12 74%,transparent);backdrop-filter:blur(8px)}.pf-level-panel[hidden]{display:none}.pf-level-panel-inner{width:min(980px,100%);margin:0 auto;padding:20px;border:1px solid var(--line);border-radius:18px;background:var(--panel);box-shadow:0 28px 90px #0008}.pf-level-panel-head{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:18px;margin:-20px -20px 18px;padding:16px 20px;border-bottom:1px solid var(--line);border-radius:18px 18px 0 0;background:var(--panel)}.pf-level-panel-head h2{margin:0;font-size:25px}.pf-level-panel-head button{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line);border-radius:9px;background:var(--panel-2)}.pf-world-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.pf-world-card{padding:14px;border:1px solid var(--line);border-radius:13px;background:color-mix(in srgb,var(--panel) 95%,var(--violet))}.pf-world-card h3{margin:0 0 10px;font-size:14px}.pf-level-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.pf-level-grid button{position:relative;display:grid;place-items:center;min-width:0;min-height:48px;padding:4px;border:1px solid var(--line);border-radius:8px;background:var(--panel-2);font-size:11px}.pf-level-grid button small{display:block;min-height:12px;color:#e8a72f;font-size:8px}.pf-level-grid button:disabled{opacity:.34}.pf-level-grid button[data-preview="true"]{border-style:dashed;border-color:var(--violet)}
.content-area{max-width:1080px;margin:0 auto}.pf-intro-section,.pf-content-section,.pf-long-content,.pf-faq{padding:48px 0;border-bottom:1px solid var(--line)}.pf-intro-section{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:46px;align-items:start}.pf-intro-section h2,.pf-section-head h2,.pf-long-content h2,.pf-faq h2{margin:8px 0 0;font-size:clamp(28px,4vw,43px);line-height:1.05;letter-spacing:-.04em}.pf-intro-section>p{margin:4px 0 0;color:var(--muted);font-size:15px;line-height:1.85}.pf-section-head{margin-bottom:26px}.pf-step-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.pf-step-grid article,.pf-content-grid article{padding:20px;border:1px solid var(--line);border-radius:14px;background:color-mix(in srgb,var(--panel) 96%,transparent)}.pf-step-grid article>span{display:block;margin-bottom:13px;color:var(--violet);font:800 11px ui-monospace,monospace}.pf-step-grid p,.pf-content-grid p,.pf-content-grid li,.pf-article-body p,.pf-faq-list p{margin:0;color:var(--muted);font-size:14px;line-height:1.85}.pf-content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;padding:48px 0;border-bottom:1px solid var(--line)}.pf-content-grid h2{margin:7px 0 12px;font-size:21px}.pf-content-grid ul{margin:0;padding-left:18px}.pf-content-grid li+li{margin-top:8px}.pf-long-content header{max-width:760px;margin-bottom:27px}.pf-article-body{max-width:860px}.pf-article-body p+p{margin-top:19px}.pf-faq-list{margin-top:26px;border-top:1px solid var(--line)}.pf-faq-list details{border-bottom:1px solid var(--line)}.pf-faq-list summary{min-height:52px;display:flex;align-items:center;cursor:pointer;font-size:13px;font-weight:800}.pf-faq-list p{padding:0 0 18px}.pf-bottom-cta{display:flex;align-items:center;justify-content:space-between;gap:22px;margin:48px 0;padding:24px;border:1px solid var(--line);border-radius:16px;background:var(--panel)}.pf-bottom-cta h2{margin:5px 0 0;font-size:27px}
.pf-game-shell:fullscreen{width:100vw;height:100vh;border:0;border-radius:0;background:var(--bg);overflow:auto;padding:max(6px,env(safe-area-inset-top)) max(6px,env(safe-area-inset-right)) max(6px,env(safe-area-inset-bottom)) max(6px,env(safe-area-inset-left))}.pf-game-shell:fullscreen .pf-game-main{min-height:calc(100vh - 165px);align-items:center}.pf-game-shell:fullscreen .pf-board{width:min(76vh,76vw,780px)}
@media(max-width:880px){.pf-page-main{padding:0 22px}.pf-game-main{grid-template-columns:1fr}.pf-side{display:grid;grid-template-columns:1fr 1fr}.pf-level-meta{grid-column:1/-1}.pf-side-note{align-self:center}.pf-world-list{grid-template-columns:1fr}.pf-intro-section{grid-template-columns:1fr;gap:18px}}
@media(max-width:620px){.pf-page-main{padding:0 14px}.pf-hero{display:block;padding:28px 0 20px}.pf-hero h1{font-size:clamp(42px,14vw,64px)}.pf-hero-tags{justify-content:flex-start;margin-top:16px}.pf-control-topbar{align-items:stretch;flex-direction:column}.pf-theme-options,.pf-topbar-actions{width:100%}.pf-theme-options{display:grid;grid-template-columns:repeat(3,1fr)}.pf-topbar-actions{display:grid;grid-template-columns:1fr 1fr}.pf-theme-option,.pf-topbar-action{min-height:44px}.pf-support-row{padding-top:6px}.pf-preview-row{justify-content:flex-start}.pf-preview-label{width:100%}.pf-chip{flex:1 1 140px}.pf-game-main{padding:10px;gap:12px}.pf-side{grid-template-columns:1fr}.pf-level-meta{grid-column:auto}.pf-actions{grid-template-columns:1fr 1fr}.pf-action{min-height:46px}.pf-board canvas{border-radius:11px}.pf-storage-note{font-size:8px}.pf-level-panel{padding:7px}.pf-level-panel-inner{padding:13px;border-radius:14px}.pf-level-panel-head{margin:-13px -13px 12px;padding:11px 13px}.pf-step-grid,.pf-content-grid{grid-template-columns:1fr}.pf-intro-section,.pf-content-section,.pf-long-content,.pf-faq,.pf-content-grid{padding:38px 0}.pf-bottom-cta{align-items:flex-start;flex-direction:column}.pf-bottom-cta .pf-button{width:100%}}
@media(max-width:350px){.pf-page-main{padding:0 8px}.pf-hero-tags span{font-size:8px}.pf-theme-option,.pf-topbar-action{padding:6px 4px;font-size:8px;gap:3px}.pf-theme-option .pf-icon,.pf-topbar-action .pf-icon{width:14px;height:14px}.pf-actions{grid-template-columns:1fr}.pf-action.is-primary{grid-column:auto}.pf-level-grid{gap:4px}.pf-level-grid button{min-height:42px;font-size:10px}.pf-chip{width:100%;flex-basis:100%}}
@media(pointer:coarse){.pf-theme-option,.pf-topbar-action,.pf-chip,.pf-action,.pf-level-grid button{min-height:44px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
@media print{.alexo-global-header,.pipe-flow-module,.alexo-global-footer,.pf-bottom-cta,.skip-link{display:none!important}body.pipe-flow-page{background:#fff;color:#000}.pf-page-main{max-width:none;padding:0}.pf-intro-section,.pf-content-section,.pf-long-content,.pf-faq,.pf-content-grid{border:0}.pf-article-body p,.pf-content-grid p,.pf-content-grid li,.pf-faq-list p{color:#222}}

/* Direct home escape next to appearance controls; stays visible in browser fullscreen. */
.pf-topbar-start{display:flex;align-items:stretch;gap:4px;min-width:0;flex:1 1 auto}.pf-topbar-start .pf-theme-options{flex:1 1 auto;min-width:0}.pf-home-link{width:44px;min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:9px;background:color-mix(in srgb,var(--panel-2) 78%,transparent);color:var(--text);text-decoration:none}.pf-home-link:hover{border-color:color-mix(in srgb,var(--lime) 45%,var(--line));color:var(--lime)}.pf-home-link .pf-icon{width:19px;height:19px}
@media(max-width:620px){.pf-topbar-start{width:100%}.pf-topbar-start .pf-theme-options{width:auto}.pf-home-link{min-height:44px}}