/* Doska yo'riqnomasi (help.js) — footer'dagi «i» tugmasi ochadigan vizual qo'llanma */
.bd-help-btn{font-family:Georgia,'Times New Roman',serif;font-style:italic;font-weight:700;font-size:.95rem}
.bd-help-btn span{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;
  border:1.6px solid currentColor;line-height:1}

.bh{position:fixed;inset:0;z-index:80;display:none;align-items:center;justify-content:center;padding:18px;
  background:rgba(6,9,14,.62);backdrop-filter:blur(3px)}
.bh.show{display:flex}
.bh-win{width:min(1120px,100%);height:min(760px,100%);display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface-1);color:var(--text-primary);border:1px solid var(--border-subtle);
  border-radius:18px;box-shadow:var(--shadow-float)}
.bh-top{flex:none;display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--border-subtle)}
.bh-top h2{flex:1;margin:0;font-size:1.05rem;letter-spacing:.01em}
.bh-top small{display:block;font-size:.74rem;font-weight:400;color:var(--text-muted);margin-top:2px}
.bh-x{width:34px;height:34px;border-radius:10px;border:1px solid var(--border-subtle);background:none;
  color:var(--text-primary);font-size:1rem;cursor:pointer}
.bh-x:hover{background:var(--surface-hover)}
.bh-main{flex:1;min-height:0;display:flex}
.bh-nav{flex:none;width:214px;padding:10px;overflow-y:auto;border-right:1px solid var(--border-subtle);
  display:flex;flex-direction:column;gap:3px}
.bh-nav button{display:flex;align-items:center;justify-content:flex-start;gap:9px;padding:9px 10px;border-radius:10px;border:none;background:none;
  color:var(--text-secondary,var(--text-muted));font:inherit;font-size:.82rem;text-align:left;cursor:pointer}
.bh-nav button:hover{background:var(--surface-hover);color:var(--text-primary)}
.bh-nav button.on{background:var(--accent-soft-strong,rgba(34,211,238,.18));color:var(--text-primary)}
.bh-nav button svg{flex:none}
.bh-body{flex:1;min-width:0;overflow-y:auto;padding:6px 22px 28px;scroll-behavior:smooth}
.bh-sec{padding-top:18px}
.bh-sec h3{display:flex;align-items:center;gap:9px;margin:0 0 4px;font-size:.98rem}
.bh-sec h3 i{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;font-style:normal;
  background:var(--accent-soft,rgba(34,211,238,.12));color:var(--accent-text,var(--accent-primary))}
.bh-lead{margin:0 0 12px;font-size:.84rem;line-height:1.5;color:var(--text-muted);max-width:74ch}

/* kartalar to'ri */
.bh-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));gap:10px}
.bh-card{position:relative;display:flex;gap:11px;padding:12px;border-radius:13px;border:1px solid var(--border-subtle);
  background:rgba(127,127,127,.05)}
.bh-card .ic{flex:none;display:grid;place-items:center;width:36px;height:36px;border-radius:10px;
  background:var(--accent-soft,rgba(34,211,238,.12));color:var(--accent-text,var(--accent-primary));font-size:1.05rem}
.bh-card b{display:block;font-size:.84rem;margin-bottom:2px}
.bh-card p{margin:0;font-size:.77rem;line-height:1.45;color:var(--text-muted)}
.bh-card kbd,.bh-keys kbd{display:inline-block;min-width:20px;padding:1px 6px;border-radius:6px;font:600 .7rem var(--font-mono,monospace);
  text-align:center;color:var(--text-primary);background:rgba(127,127,127,.16);border:1px solid var(--border-subtle);
  border-bottom-width:2px}
.bh-card .key{position:absolute;right:10px;top:10px}
.bh-try{margin-top:7px;padding:4px 10px;border-radius:8px;border:1px solid var(--accent-primary);background:none;
  color:var(--accent-text,var(--accent-primary));font:inherit;font-size:.72rem;font-weight:600;cursor:pointer}
.bh-try:hover{background:var(--accent-soft,rgba(34,211,238,.12))}

/* qadamlar (tez boshlash) */
.bh-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;counter-reset:st}
.bh-step{position:relative;padding:14px 14px 13px 52px;border-radius:13px;border:1px solid var(--border-subtle);
  background:linear-gradient(135deg,var(--accent-soft,rgba(34,211,238,.10)),transparent 70%)}
.bh-step::before{counter-increment:st;content:counter(st);position:absolute;left:13px;top:13px;width:28px;height:28px;
  border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:.86rem;color:#fff;background:var(--accent-primary)}
.bh-step b{display:block;font-size:.86rem;margin-bottom:3px}
.bh-step p{margin:0;font-size:.77rem;line-height:1.45;color:var(--text-muted)}

/* imo-ishoralar — jonli namoyish */
.bh-gest{display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));gap:10px}
.bh-g{border-radius:13px;border:1px solid var(--border-subtle);overflow:hidden;background:rgba(127,127,127,.05)}
.bh-g svg{display:block;width:100%;height:112px;background:
  linear-gradient(var(--border-subtle) 1px,transparent 1px) 0 0/20px 20px,
  linear-gradient(90deg,var(--border-subtle) 1px,transparent 1px) 0 0/20px 20px}
.bh-g div{padding:9px 12px 11px}
.bh-g b{display:block;font-size:.83rem}
.bh-g p{margin:2px 0 0;font-size:.76rem;line-height:1.4;color:var(--text-muted)}
.bh-g .fg{fill:var(--accent-primary)} .bh-g .st{stroke:var(--accent-primary);fill:none;stroke-width:2.2;stroke-linecap:round}
.bh-g .obj{fill:rgba(127,127,127,.22);stroke:var(--text-muted);stroke-width:1.2}
.bh-g .ink{stroke:var(--text-primary);fill:none;stroke-width:2.4;stroke-linecap:round}
@keyframes bh-hold{0%,12%{transform:scale(1);opacity:.95}45%,70%{transform:scale(2.1);opacity:.45}100%{transform:scale(1);opacity:.95}}
@keyframes bh-ring{0%,40%{transform:scale(1);opacity:0}45%{transform:scale(1);opacity:.9}75%,100%{transform:scale(3);opacity:0}}
@keyframes bh-tap2{0%,8%{opacity:0;transform:scale(.6)}12%{opacity:.95;transform:scale(1)}22%{opacity:0;transform:scale(1.8)}30%{opacity:.95;transform:scale(1)}42%,100%{opacity:0;transform:scale(1.8)}}
@keyframes bh-drag{0%,10%{transform:translate(0,0)}60%,80%{transform:translate(84px,-22px)}100%{transform:translate(0,0)}}
@keyframes bh-pinA{0%,100%{transform:translate(0,0)}50%{transform:translate(-26px,-16px)}}
@keyframes bh-pinB{0%,100%{transform:translate(0,0)}50%{transform:translate(26px,16px)}}
@keyframes bh-grow{0%,100%{transform:scale(.7)}50%{transform:scale(1.15)}}
@keyframes bh-draw{0%,10%{stroke-dashoffset:150}70%,100%{stroke-dashoffset:0}}
@keyframes bh-fade{0%,55%{opacity:1}75%,100%{opacity:.12}}
.bh-g .a-hold,.bh-g .a-ring,.bh-g .a-tap2{transform-box:fill-box;transform-origin:center}
.bh-g .a-hold{animation:bh-hold 2.6s ease-in-out infinite}
.bh-g .a-ring{animation:bh-ring 2.6s ease-out infinite}
.bh-g .a-tap2{animation:bh-tap2 2.4s linear infinite}
.bh-g .a-drag{animation:bh-drag 2.8s ease-in-out infinite}
.bh-g .a-pinA{animation:bh-pinA 2.6s ease-in-out infinite}
.bh-g .a-pinB{animation:bh-pinB 2.6s ease-in-out infinite}
.bh-g .a-grow{transform-origin:116px 56px;animation:bh-grow 2.6s ease-in-out infinite}
.bh-g .a-draw{stroke-dasharray:150;animation:bh-draw 2.8s ease-in-out infinite}
.bh-g .a-fade{animation:bh-fade 2.8s ease-in-out infinite}

/* Aqlli qidiruvga ulangan manbalar */
.bh-src{margin-top:14px;padding:14px;border-radius:13px;border:1px solid var(--border-subtle);background:rgba(127,127,127,.05)}
.bh-src-h{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:8px}
.bh-src-h b{font-size:.88rem}
.bh-src-h span{font-size:.72rem;color:var(--text-muted)}
.bh-src-g{display:grid;grid-template-columns:150px 1fr;gap:6px 12px;padding:7px 0;border-top:1px dashed var(--border-subtle)}
.bh-src-g em{font-style:normal;font-size:.76rem;font-weight:600;color:var(--text-muted);padding-top:5px}
.bh-src-g>div{display:flex;flex-wrap:wrap;gap:6px}
.bh-src-i{display:inline-flex;flex-direction:column;padding:5px 10px;border-radius:10px;border:1px solid var(--border-subtle);
  background:var(--surface-1)}
.bh-src-i b{font-size:.78rem}
.bh-src-i i{font-style:normal;font-size:.68rem;color:var(--text-muted)}
.bh-src-i.off{opacity:.45;border-style:dashed}
@media(max-width:820px){ .bh-src-g{grid-template-columns:1fr} .bh-src-g em{padding-top:0} }

/* qisqa tugmalar */
.bh-keys{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:6px 18px;font-size:.8rem}
.bh-keys div{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:6px 2px;
  border-bottom:1px dashed var(--border-subtle)}
.bh-keys span{color:var(--text-muted)}
.bh-keys em{font-style:normal;white-space:nowrap}
.bh-note{margin-top:10px;padding:10px 12px;border-radius:11px;font-size:.78rem;line-height:1.5;color:var(--text-muted);
  background:rgba(127,127,127,.07);border-left:3px solid var(--accent-primary)}

@media(max-width:820px){
  .bh{padding:0}
  .bh-win{height:100%;border-radius:0}
  .bh-main{flex-direction:column}
  .bh-nav{width:auto;flex-direction:row;overflow-x:auto;border-right:none;border-bottom:1px solid var(--border-subtle);padding:8px}
  .bh-nav button{flex:none;white-space:nowrap}
  .bh-body{padding:2px 14px 24px}
}
@media (prefers-reduced-motion:reduce){ .bh-g [class^="a-"]{animation:none!important} }