/* ChessMaster Features : styles for the plugin's blocks (board, puzzle, level finder, dashboard, form, menu, language) */
:root{--red:#d7141a;--red-d:#a80d12;--red-l:#fdeceb;--ink:#121212;--ink2:#3a3a40;--mute:#6d6d75;--paper:#fff;--soft:#f7f4f1;--line:#e9e4df;--r:22px;--shadow:0 24px 60px -28px rgba(18,18,18,.35);--ff:'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;--ease:cubic-bezier(.2,.8,.2,1)}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;padding:3px;background:#fff}
.lang button{border:0;background:transparent;font-weight:800;font-size:.72rem;letter-spacing:.08em;padding:6px 11px;border-radius:999px;color:var(--mute);transition:.25s}
.lang button.on{background:var(--ink);color:#fff}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.burger span{width:20px;height:2px;background:var(--ink);transition:.3s var(--ease)}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 28px;border-radius:999px;font-weight:800;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;border:2px solid transparent;transition:transform .3s var(--ease),box-shadow .3s,background .3s,color .3s;position:relative;overflow:hidden;white-space:nowrap}
.btn svg{width:18px;height:18px;transition:transform .3s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-red{background:var(--red);color:#fff;box-shadow:0 16px 34px -14px rgba(215,20,26,.75)}
.btn-red:hover{background:var(--red-d);transform:translateY(-2px);box-shadow:0 22px 40px -14px rgba(215,20,26,.8)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--red)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 18px 34px -16px rgba(0,0,0,.5)}
.btn-sm{padding:11px 20px;font-size:.72rem}
.btn::before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%);transform:translateX(-120%)}
.btn-red:hover::before{transform:translateX(120%);transition:transform .8s var(--ease)}
.hero-card{position:relative;border-radius:30px;padding:clamp(14px,2vw,22px);background:linear-gradient(160deg,#1b1b1f,#0c0c0e);box-shadow:var(--shadow),0 0 0 1px rgba(255,255,255,.06) inset}
.hero-card::before{content:"";position:absolute;inset:-2px;border-radius:32px;background:conic-gradient(from 0deg,transparent,rgba(215,20,26,.9),transparent 40%);z-index:-1;filter:blur(18px);opacity:.55;animation:spin 8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.cap-bar{display:flex;align-items:center;justify-content:space-between;color:#fff;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;padding:4px 6px 14px}
.cap-bar .dots{display:flex;gap:6px}
.cap-bar .dots i{width:9px;height:9px;border-radius:50%;background:#3b3b40}
.cap-bar .dots i:first-child{background:var(--red)}
.cap-status{min-height:1.2em;color:#ffb3b5;transition:.3s}
.cap-status.mate{color:#fff;background:var(--red);padding:3px 12px;border-radius:999px}
@keyframes floaty{0%,100%{transform:translateY(0) rotate(-6deg)}50%{transform:translateY(-22px) rotate(8deg)}}
.board{position:relative;width:100%;aspect-ratio:1;border-radius:14px;overflow:hidden;container-type:inline-size;user-select:none;touch-action:manipulation;
  background:repeating-conic-gradient(#1d1d21 0% 25%,#efe8e2 0% 50%) 0 0/25% 25%;box-shadow:0 0 0 4px #2a2a2f}
.board::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(135deg,rgba(255,255,255,.07),transparent 40%)}
.piece{position:absolute;left:0;top:0;width:12.5%;height:12.5%;display:grid;place-items:center;font-size:9.4cqw;line-height:1;transition:transform .8s var(--ease),opacity .35s;z-index:2;pointer-events:none;will-change:transform;font-family:"Segoe UI Symbol","Noto Sans Symbols 2","Apple Symbols","DejaVu Sans",serif}
.piece.w{color:#fff;text-shadow:1px 0 #000,-1px 0 #000,0 1px #000,0 -1px #000,1px 1px #000,-1px -1px #000,1px -1px #000,-1px 1px #000,0 .6cqw 1.2cqw rgba(0,0,0,.45)}
.piece.b{color:var(--red);text-shadow:1px 0 #fff,-1px 0 #fff,0 1px #fff,0 -1px #fff,1px 1px #fff,-1px -1px #fff,1px -1px #fff,-1px 1px #fff,0 .6cqw 1.2cqw rgba(0,0,0,.45)}
.piece.cap{opacity:0;transition:opacity .3s}
.mark{position:absolute;left:0;top:0;width:12.5%;height:12.5%;z-index:1;pointer-events:none;transition:transform .2s}
.mark.sel{background:rgba(215,20,26,.55);box-shadow:inset 0 0 0 .5cqw #fff}
.mark.hint{background:rgba(255,200,0,.5);animation:pulse 1s ease-in-out infinite}
.mark.mate{background:radial-gradient(circle,rgba(215,20,26,.95) 0,rgba(215,20,26,.2) 70%,transparent 72%);animation:pulse 1s ease-in-out infinite}
.mark.last{background:rgba(255,205,60,.38)}
@keyframes pulse{50%{opacity:.45}}
.board.shake{animation:shake .4s}
@keyframes shake{20%{transform:translateX(-7px)}40%{transform:translateX(7px)}60%{transform:translateX(-4px)}80%{transform:translateX(4px)}}
.board.clickable{cursor:pointer}
@media (prefers-reduced-motion:reduce){.piece{transition:none}}
.marquee{background:var(--ink);color:#fff;padding:18px 0;overflow:hidden;white-space:nowrap}
.marquee-track{display:inline-flex;gap:48px;animation:slide 32s linear infinite;padding-left:48px}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee span{font-weight:800;letter-spacing:.2em;font-size:.82rem;text-transform:uppercase;display:inline-flex;align-items:center;gap:48px}
.marquee span::after{content:"\265E";color:var(--red);font-size:1.2rem}
@keyframes slide{to{transform:translateX(-50%)}}
.dash{background:#fff;border-radius:22px;border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden;display:grid;grid-template-columns:150px 1fr}
.dash-side{background:#141417;color:#cfcfd6;padding:18px 14px;font-size:.74rem;display:flex;flex-direction:column;gap:4px}
.dash-side .brand{color:#fff;font-weight:800;margin-bottom:14px;font-size:.82rem}
.dash-side .brand em{font-style:normal;color:var(--red)}
.dash-side a{padding:9px 10px;border-radius:9px;display:block;font-weight:600}
.dash-side a.on{background:var(--red);color:#fff}
.dash-main{padding:18px;display:grid;gap:14px;background:#faf8f6}
.dash-top{display:flex;justify-content:space-between;align-items:center;font-size:.78rem;font-weight:700}
.dash-top .av{display:flex;align-items:center;gap:8px}
.dash-top .av i{width:28px;height:28px;border-radius:50%;background:var(--red);color:#fff;display:grid;place-items:center;font-style:normal;font-size:.7rem}
.dash-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mini{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px}
.mini small{color:var(--mute);font-size:.68rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.mini b{display:block;font-size:1.5rem;font-weight:800;margin-top:2px}
.bar{height:8px;border-radius:99px;background:#eee;overflow:hidden;margin-top:8px}
.bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--red),#ff5a5f);border-radius:99px;transition:width 1.6s var(--ease)}
.in .bar i,.bar.in i{width:var(--w)}
.chart{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px}
.chart svg{width:100%;height:auto}
.draw{stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 2.2s var(--ease) .3s}
.in .draw{stroke-dashoffset:0}
.area{opacity:0;transition:opacity 1.2s 1.2s}
.in .area{opacity:1}
.ach{display:flex;gap:8px}
.ach span{flex:1;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 4px;text-align:center;font-size:.62rem;font-weight:700}
.ach span b{display:block;font-size:1.3rem;color:var(--red)}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.tool{background:#fff;border:1px solid var(--line);border-radius:30px;padding:clamp(22px,4vw,44px);box-shadow:var(--shadow);position:relative;overflow:hidden}
.q-prog{height:6px;border-radius:99px;background:#eee;overflow:hidden;margin-bottom:22px}
.q-prog i{display:block;height:100%;width:0;background:var(--red);transition:width .5s var(--ease)}
.q-step{font-size:.72rem;font-weight:800;letter-spacing:.16em;color:var(--red);text-transform:uppercase}
.q-text{font-size:clamp(1.3rem,2.6vw,1.9rem);font-weight:800;margin:10px 0 22px;letter-spacing:-.02em;line-height:1.2}
.opts{display:grid;gap:12px}
.opt{text-align:left;border:1.5px solid var(--line);background:#fff;border-radius:16px;padding:16px 18px;font-weight:700;font-size:.98rem;transition:.3s var(--ease);display:flex;align-items:center;gap:14px}
.opt::before{content:"";width:22px;height:22px;border-radius:50%;border:2px solid #cfc8c2;flex:none;transition:.3s}
.opt:hover{border-color:var(--red);transform:translateX(6px)}
.opt:hover::before{border-color:var(--red);background:radial-gradient(var(--red) 45%,transparent 50%)}
.result{text-align:center;animation:fadeUp .6s var(--ease)}
.result .big-n{width:96px;height:96px;margin:0 auto 14px;border-radius:50%;background:var(--red);color:#fff;font-size:2.6rem;font-weight:800;display:grid;place-items:center;box-shadow:0 0 0 10px var(--red-l)}
.result h3{font-size:clamp(1.6rem,3vw,2.3rem);font-weight:800}
.result p{max-width:52ch;margin:12px auto 24px;color:var(--ink2)}
.result .row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.pz-grid{display:grid;grid-template-columns:minmax(0,520px) 1fr;gap:clamp(24px,4vw,56px);align-items:center}
.pz-info .pill{display:inline-block;background:var(--ink);color:#fff;padding:5px 14px;border-radius:999px;font-size:.7rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
.pz-info h3{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:800;margin:14px 0 8px}
.pz-msg{min-height:3.2em;font-weight:700;margin:16px 0;padding:14px 16px;border-radius:14px;background:var(--soft);color:var(--ink2);transition:.3s}
.pz-msg.ok{background:#e7f7ec;color:#136c34}
.pz-msg.no{background:var(--red-l);color:var(--red-d)}
.pz-btns{display:flex;gap:10px;flex-wrap:wrap}
.legend{font-size:.78rem;color:var(--mute);margin-top:14px;display:flex;gap:16px;flex-wrap:wrap}
.legend b{display:inline-block;width:12px;height:12px;border-radius:50%;margin-right:6px;vertical-align:-1px}
form.f{display:grid;gap:16px;background:#fff;border:1px solid var(--line);border-radius:28px;padding:clamp(22px,3.4vw,40px);box-shadow:var(--shadow)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:grid;gap:7px;font-weight:700;font-size:.82rem}
label small{font-weight:600;color:var(--mute)}
input,select,textarea{font:inherit;font-size:.95rem;padding:13px 15px;border:1.5px solid var(--line);border-radius:14px;background:#fff;color:var(--ink);transition:.25s;width:100%}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--red);box-shadow:0 0 0 4px var(--red-l)}
textarea{resize:vertical;min-height:110px}
.f-note{font-size:.78rem;color:var(--mute)}
@media (max-width:980px){.burger{display:flex}.hero-grid,.plat-grid,.cta-box,.join-grid,.pz-grid,.p-block{grid-template-columns:1fr}}
@media (max-width:700px){.g3,.g2,.row2{grid-template-columns:1fr}.dash{grid-template-columns:1fr}.dash-side{flex-direction:row;overflow:auto;gap:6px}.dash-side .brand{display:none}.dash-side a{white-space:nowrap}}
@media (max-width:520px){.btn{padding:14px 22px}.opt{padding:14px}}
.big,.glyph,.float-glyph,.glyph-big,.logo-mark{font-family:"Segoe UI Symbol","Noto Sans Symbols 2","Apple Symbols","DejaVu Sans",serif}
/* ---- GTranslate slot in the header ---- */
.cm-gt{display:flex;align-items:center;font-size:.8rem;font-weight:700;line-height:1}
.cm-gt a{text-decoration:none;color:inherit}
.cm-gt select,.cm-gt .gt_selector{appearance:auto;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:999px;padding:8px 12px;font:700 .78rem var(--ff);max-width:150px;cursor:pointer}
.cm-gt .gtranslate_wrapper,.cm-gt .glink{display:inline-flex;align-items:center;gap:6px}
.cm-gt img{width:22px;height:auto;border-radius:3px;display:block}
.cm-gt .gt_float_switcher{position:static!important;box-shadow:none!important;font-size:.8rem}
@media (max-width:520px){.cm-gt select,.cm-gt .gt_selector{max-width:110px;padding:7px 8px}}
/* ---- wrappers & small parts ---- */
.cm-icon{display:inline-block;width:24px;height:24px;line-height:0;flex:none}
.cm-icon svg{width:100%;height:100%;display:block}
.cm-hero-board{display:block}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:1.18rem;letter-spacing:-.03em;text-decoration:none;color:inherit}
.logo-img{display:block;border-radius:0;transition:transform .5s var(--ease)}
.logo:hover .logo-img{transform:scale(1.04)}
.logo-mark{width:40px;height:40px;border-radius:12px;background:var(--red);color:#fff;display:grid;place-items:center;font-size:1.5rem;line-height:1;box-shadow:0 10px 22px -10px rgba(215,20,26,.9);transition:transform .5s var(--ease);font-family:"Segoe UI Symbol","Noto Sans Symbols 2","Apple Symbols","DejaVu Sans",serif}
.logo:hover .logo-mark{transform:rotate(-12deg) scale(1.06)}
.logo em{font-style:normal;color:var(--red)}
.site-footer .logo{color:#fff}
.nav-right{display:flex;align-items:center;gap:14px}
.cm-toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,140px);background:var(--ink);color:#fff;padding:14px 22px;border-radius:14px;font-weight:700;z-index:99999;transition:transform .5s var(--ease);box-shadow:0 20px 40px -16px rgba(0,0,0,.6);max-width:90vw;visibility:hidden}
.cm-toast.show{visibility:visible;transform:translate(-50%,0)}
.cm-toast.bad{background:var(--red-d)}
.cm-ed{padding:14px 16px;border:1px dashed #d7141a;border-radius:12px;background:#fdeceb;color:#a80d12;font:600 13px/1.4 system-ui,sans-serif}
.board{font-family:"Segoe UI Symbol","Noto Sans Symbols 2","Apple Symbols","DejaVu Sans",serif}
.hidden-field{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
form.f .btn[disabled]{opacity:.6;pointer-events:none}
.btn{text-decoration:none}
/* reveal-on-scroll (classes are added by features.js; nothing is hidden without JS or in the editor) */
.js .cm-rv{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:var(--d,0s)}
.js .cm-rv.cm-right{transform:translateX(40px)}
.js .cm-rv.in{opacity:1;transform:none}
body.leaving{opacity:0;transition:opacity .25s}
@media (max-width:980px){.burger{display:flex}}
@media (prefers-reduced-motion:reduce){.js .cm-rv{opacity:1;transform:none}}