/* ===== راهنمای اجرایی ابزارهای مدیریت کسب‌وکار — msjavan.ir/bt ===== */
:root{
  --ink:#14213D;--ink-soft:#5A6478;--paper:#F4F5F0;--paper-raise:#EAECE5;
  --gold:#AF7F2A;--gold-light:#FFF8E7;--teal:#2F6E62;--teal-light:#E8F5F3;
  --blue:#0B3D5C;--blue-light:#EBF4FA;
  --line:#DDD9CC;--white:#FDFCF9;--nav-bg:rgba(244,245,240,.95);
}
[data-theme="dark"]{
  --ink:#E2E8F0;--ink-soft:#94A3B8;--paper:#0F172A;--paper-raise:#1E293B;
  --gold:#D4A843;--gold-light:#1f1a08;--teal:#4DB6AC;--teal-light:#0c2d2a;
  --line:#334155;--white:#1E293B;--blue:#5B9BD5;--blue-light:#0c2a4a;--nav-bg:rgba(15,23,42,.95);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{background:var(--paper);color:var(--ink);font-family:'Vazirmatn',Tahoma,'Segoe UI',sans-serif;font-size:15px;line-height:1.95;-webkit-font-smoothing:antialiased;transition:background .3s,color .3s}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.skip{position:absolute;inset-inline-start:12px;top:-60px;background:var(--blue);color:#fff;padding:8px 14px;border-radius:0 0 8px 8px;z-index:200;font-size:.85rem}
.skip:focus{top:0}
.ltr{direction:ltr;unicode-bidi:isolate}
.nowrap{white-space:nowrap}
.sr{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* progress */
.progress{position:fixed;top:0;inset-inline:0;height:3px;z-index:120;background:transparent;pointer-events:none}
.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--gold),var(--teal));transition:width .1s linear}

/* NAV */
.nav{position:sticky;top:0;z-index:50;background:var(--nav-bg);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);height:60px;transition:box-shadow .3s,background .3s}
.nav.scrolled{box-shadow:0 2px 16px rgba(0,0,0,.08)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:100%;gap:12px}
.nav-brand{font-weight:800;font-size:.9rem;color:var(--ink);display:flex;align-items:center;gap:8px;white-space:nowrap}
.nav-brand .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);display:inline-block}
.nav-links{display:flex;gap:2px;align-items:center}
.nav-links a{padding:6px 10px;border-radius:7px;font-size:.8rem;color:var(--ink-soft);font-weight:500;transition:all .2s;white-space:nowrap}
.nav-links a:hover{background:var(--gold-light);color:var(--gold)}
.nav-links a.main-link{background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;font-weight:700;border-radius:100px;padding:6px 14px;font-size:.78rem;margin-inline-start:4px}
.nav-links a.main-link:hover{opacity:.9;color:#fff}
.theme-btn{background:none;border:1px solid var(--line);width:32px;height:32px;border-radius:7px;cursor:pointer;color:var(--ink);display:grid;place-items:center;transition:all .2s;margin-inline-start:4px;flex-shrink:0}
.theme-btn:hover{background:var(--gold-light);border-color:var(--gold);color:var(--gold)}
.theme-btn svg{width:15px;height:15px}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;width:34px;height:34px;border-radius:7px;color:var(--ink)}
.nav-toggle svg{width:19px;height:19px;margin:auto;display:block}
@media(max-width:860px){
  .nav-links{position:fixed;top:60px;inset-inline:0;background:var(--paper);flex-direction:column;align-items:stretch;padding:8px 0;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .3s ease;box-shadow:0 6px 20px rgba(0,0,0,.1)}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{width:100%;padding:12px 20px;font-size:.9rem;border-bottom:1px solid var(--line);border-radius:0}
  .nav-links a.main-link{margin:10px 20px 4px;width:auto;text-align:center;border-radius:100px}
  .theme-btn{margin:8px auto 10px}
  .nav-toggle{display:grid}
  .nav-brand .dot{display:none}
}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:7px;font-size:.86rem;font-weight:600;border:2px solid transparent;transition:all .2s;font-family:inherit;cursor:pointer}
.btn-solid{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn-solid:hover{background:var(--teal);border-color:var(--teal);transform:translateY(-2px);box-shadow:0 5px 16px rgba(47,110,98,.25)}
.btn-gold{background:var(--gold);color:#fff;border-color:var(--gold)}
.btn-gold:hover{filter:brightness(.92);transform:translateY(-2px)}
.btn-line{background:transparent;color:var(--blue);border-color:var(--blue)}
.btn-line:hover{background:var(--blue);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:12px 24px;font-size:.92rem}

/* HERO */
.hero{position:relative;padding:52px 0 42px;overflow:hidden;border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--paper) 0%,var(--paper-raise) 100%)}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 30% 50%,rgba(47,110,98,.07) 0%,transparent 60%),radial-gradient(ellipse at 70% 30%,rgba(175,127,42,.07) 0%,transparent 50%);pointer-events:none}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:5px;background:var(--blue-light);color:var(--blue);padding:5px 13px;border-radius:100px;font-size:.74rem;font-weight:600;margin-bottom:14px;border:1px solid rgba(11,61,92,.1)}
.hero h1{font-size:2.1rem;font-weight:800;line-height:1.4;margin:0 0 9px}
.hero .role{font-size:.92rem;color:var(--ink-soft);margin:0 0 13px;line-height:1.9}
.hero .lead{font-size:.88rem;margin:0 0 22px;line-height:2;max-width:54ch;border-inline-start:3px solid var(--gold);padding-inline-start:12px}
.hero-cta{display:flex;gap:9px;flex-wrap:wrap}
.hero-stats{display:flex;gap:2rem;margin-top:26px;flex-wrap:wrap}
.hero-stat{text-align:center;min-width:70px}
.hero-stat .num{font-size:1.8rem;font-weight:800;color:var(--teal);line-height:1.2}
.hero-stat .label{font-size:.72rem;color:var(--ink-soft);margin-top:2px}
.hero-visual{display:flex;justify-content:center;align-items:center;perspective:900px}
.hero-book{width:230px;height:320px;border-radius:10px;background:linear-gradient(145deg,var(--blue),var(--teal));box-shadow:0 12px 40px rgba(11,61,92,.25),0 0 0 1px rgba(255,255,255,.1);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;text-align:center;position:relative;overflow:hidden;transition:transform .3s}
.hero-book:hover{transform:rotateY(-5deg) rotateX(3deg)}
.hero-book::before{content:"";position:absolute;top:-30px;left:-30px;width:120px;height:120px;border-radius:50%;background:rgba(255,255,255,.06)}
.hero-book::after{content:"";position:absolute;bottom:-20px;right:-20px;width:80px;height:80px;border-radius:50%;background:rgba(255,255,255,.04)}
.hero-book .b-icon{font-size:3rem;margin-bottom:10px}
.hero-book .b-title{font-size:1.08rem;font-weight:800;color:#fff;line-height:1.7;margin-bottom:8px}
.hero-book .b-sub{font-size:.7rem;color:rgba(255,255,255,.82);line-height:1.7;direction:ltr}
.hero-book .b-author{font-size:.7rem;color:rgba(255,255,255,.72);margin-top:12px;padding-top:10px;border-top:1px solid rgba(255,255,255,.2);line-height:1.8}
@media(max-width:760px){
  .hero{padding:38px 0 30px}
  .hero-grid{grid-template-columns:1fr;text-align:center;gap:24px}
  .hero-visual{order:-1}
  .hero-book{width:170px;height:235px;padding:18px}
  .hero-book .b-icon{font-size:2.2rem}
  .hero .lead{margin-inline:auto;border-inline-start:none;border-bottom:3px solid var(--gold);padding-inline-start:0;padding-bottom:11px}
  .hero-cta,.hero-stats{justify-content:center}
  .hero h1{font-size:1.7rem}
}
@media(max-width:420px){.hero-cta .btn{width:100%;justify-content:center}}

/* STATS BAR */
.stats-bar{background:linear-gradient(135deg,var(--blue) 0%,var(--teal) 100%);padding:24px 0;color:#fff}
[data-theme="dark"] .stats-bar{background:linear-gradient(135deg,#0b3d5c 0%,#1f5c52 100%)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat-item{text-align:center}
.stat-num{font-size:1.6rem;font-weight:800;line-height:1.3}
.stat-label{font-size:.76rem;opacity:.9}
@media(max-width:640px){.stats-grid{grid-template-columns:repeat(2,1fr);gap:12px}.stat-num{font-size:1.35rem}}

/* SECTIONS */
section{padding:52px 0}
section.alt{background:var(--paper-raise)}
.sec-head{margin-bottom:26px}
.sec-head h2{font-size:1.3rem;font-weight:800;margin:0 0 6px;line-height:1.6}
.sec-head p{color:var(--ink-soft);font-size:.86rem;max-width:60ch}
.rule{width:34px;height:3px;background:linear-gradient(90deg,var(--gold),var(--teal));border-radius:2px;margin:0 0 11px}

/* INTRO */
.intro-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:32px;align-items:start}
@media(max-width:760px){.intro-grid{grid-template-columns:1fr;gap:24px}}
.prose p{margin:0 0 14px;font-size:.92rem;line-height:2.05;color:var(--ink-soft);max-width:68ch}
.prose p strong,.prose li strong{color:var(--ink)}
.callout{background:var(--gold-light);border:1px solid rgba(175,127,42,.25);border-inline-start:4px solid var(--gold);border-radius:10px;padding:14px 18px;font-size:.86rem;color:var(--ink);line-height:2;margin-top:6px}
.callout a{color:var(--gold);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.intro-tips{display:flex;flex-direction:column;gap:10px}
.intro-tips h3{font-size:1rem;font-weight:700;margin-bottom:4px}
.tip-card{display:flex;align-items:flex-start;gap:12px;background:var(--white);border:1px solid var(--line);border-radius:10px;padding:12px 14px;transition:all .2s}
.tip-card:hover{border-color:var(--gold);box-shadow:0 3px 12px rgba(175,127,42,.1)}
.tip-icon{width:36px;height:36px;min-width:36px;border-radius:8px;display:grid;place-items:center;font-size:1.1rem;background:var(--blue-light)}
.tip-card:nth-child(2n+1) .tip-icon{background:var(--teal-light)}
.tip-card:nth-child(3n) .tip-icon{background:var(--gold-light)}
.tip-card h4{font-size:.86rem;font-weight:700;margin-bottom:0;line-height:1.7}
.tip-card p{font-size:.78rem;color:var(--ink-soft);margin:0;line-height:1.7}

/* SEARCH & FILTER */
.search-filter{display:flex;gap:12px;margin-bottom:18px;flex-wrap:wrap;align-items:center}
.search-box{flex:1;min-width:240px;position:relative}
.search-box input{width:100%;padding:11px 44px 11px 16px;background:var(--white);border:1px solid var(--line);border-radius:8px;color:var(--ink);font-family:inherit;font-size:.9rem;outline:none;transition:all .2s}
.search-box input:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(47,110,98,.12)}
.search-box input::placeholder{color:var(--ink-soft)}
.search-box .search-icon{position:absolute;inset-inline-start:auto;right:14px;top:50%;transform:translateY(-50%);font-size:1rem;pointer-events:none}
.filter-buttons{display:flex;gap:6px;flex-wrap:wrap}
.filter-btn{padding:7px 16px;border-radius:100px;border:1px solid var(--line);background:var(--white);color:var(--ink-soft);font-family:inherit;font-size:.8rem;font-weight:500;cursor:pointer;transition:all .2s}
.filter-btn:hover,.filter-btn.active{border-color:var(--gold);background:var(--gold-light);color:var(--gold)}
.results-count{color:var(--ink-soft);font-size:.82rem;margin-bottom:14px}
.no-results{text-align:center;padding:3rem 1rem;color:var(--ink-soft);display:none}
.no-results .icon{font-size:2.5rem;margin-bottom:.8rem}
.no-results h3{font-size:1.1rem;color:var(--ink);margin-bottom:.4rem}

/* TOOL CARDS */
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:14px}
.tool-card{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:18px;transition:all .2s;position:relative;overflow:hidden}
.tool-card::after{content:"";position:absolute;top:0;right:0;width:3px;height:0;background:linear-gradient(180deg,var(--gold),var(--teal));transition:height .3s}
.tool-card:hover::after{height:100%}
.tool-card:hover{border-color:var(--gold);transform:translateY(-2px);box-shadow:0 6px 20px rgba(175,127,42,.1)}
.tool-card[hidden]{display:none}
.tool-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;gap:8px}
.tool-num{font-size:.72rem;font-weight:700;color:var(--gold);background:var(--gold-light);padding:3px 10px;border-radius:20px}
.tool-group{font-size:.68rem;padding:3px 9px;border-radius:20px;font-weight:600}
.g-strategy{background:var(--blue-light);color:var(--blue)}
.g-process{background:var(--teal-light);color:var(--teal)}
.g-customer{background:#FFF0F3;color:#C44D68}
.g-data{background:#F3EEFF;color:#7C3AED}
[data-theme="dark"] .g-customer{background:#3a1420;color:#f08aa4}
[data-theme="dark"] .g-data{background:#261a44;color:#b79bff}
.tool-title{display:flex;align-items:center;gap:10px;margin-bottom:2px}
.tool-ico{font-size:1.5rem;line-height:1}
.tool-card h3{font-size:.98rem;font-weight:700;line-height:1.6}
.tool-card .english-name{font-size:.74rem;color:var(--ink-soft);margin-bottom:8px;direction:ltr;text-align:right;font-family:ui-monospace,Menlo,Consolas,monospace}
.tool-card p.desc{font-size:.82rem;color:var(--ink-soft);line-height:1.9;flex:1;margin-bottom:12px}
.tool-foot{display:flex;justify-content:space-between;align-items:center;font-size:.74rem;color:var(--ink-soft);border-top:1px dashed var(--line);padding-top:10px}
.tool-foot .go{color:var(--gold);font-weight:700}

/* RANKING */
.rank-wrap{overflow-x:auto;border-radius:12px;border:1px solid var(--line);background:var(--white);margin-top:20px}
.rank-table{width:100%;border-collapse:collapse;min-width:720px}
.rank-table th{background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;padding:11px 12px;text-align:center;font-weight:700;font-size:.8rem;white-space:nowrap}
.rank-table td{padding:9px 10px;border-bottom:1px solid var(--line);border-inline-start:1px solid var(--line);font-size:.8rem;text-align:center;line-height:1.7}
.rank-table tr:last-child td{border-bottom:none}
.rank-table td.rk{background:hsl(var(--h) 62% 88%);color:#1b2433}
[data-theme="dark"] .rank-table td.rk{background:hsl(var(--h) 38% 24%);color:#e8edf5}
.rank-table td.no{color:var(--ink-soft)}
.rank-table td.pos{font-weight:800;color:var(--gold);background:var(--paper-raise)}
.rank-table td a{border-bottom:1px dashed currentColor}
.rank-table td a:hover{color:var(--gold)}
.rank-note{font-size:.78rem;color:var(--ink-soft);margin-top:10px}

/* BOOK INFO / AUTHORS */
.info-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:24px;align-items:start}
@media(max-width:760px){.info-grid{grid-template-columns:1fr}}
.book-info{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:22px}
.book-info .logo{background:#fff;border-radius:10px;padding:12px 16px;margin-bottom:16px;display:flex;justify-content:center;border:1px solid var(--line)}
.book-info .logo img{height:64px;width:auto}
.book-info dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:.84rem}
.book-info dt{color:var(--ink-soft)}
.book-info dd{font-weight:600}
.author-section{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:26px;display:flex;gap:22px;align-items:flex-start}
.author-avatar{width:92px;height:92px;min-width:92px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--teal));display:grid;place-items:center;font-size:1.8rem;font-weight:900;color:#fff}
.author-info h3{font-size:1.2rem;font-weight:800;margin-bottom:2px}
.author-info .role{color:var(--teal);font-size:.82rem;font-weight:600;margin-bottom:10px;line-height:1.8}
.author-info p{color:var(--ink-soft);font-size:.86rem;margin-bottom:10px;line-height:1.95}
.author-links{display:flex;gap:8px;flex-wrap:wrap}
.author-links a{padding:6px 14px;border-radius:7px;border:1px solid var(--line);color:var(--ink-soft);font-size:.8rem;transition:all .2s}
.author-links a:hover{border-color:var(--gold);color:var(--gold);background:var(--gold-light)}
.coauthor{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);font-size:.84rem;color:var(--ink-soft)}
.coauthor strong{color:var(--ink)}
@media(max-width:560px){.author-section{flex-direction:column;align-items:center;text-align:center}.author-links{justify-content:center}}

/* MORE BOOKS */
.books-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.mb-card{display:flex;gap:12px;align-items:flex-start;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:14px;transition:all .2s}
.mb-card:hover{border-color:var(--gold);transform:translateY(-2px);box-shadow:0 6px 20px rgba(175,127,42,.1)}
.mb-ico{width:38px;height:38px;min-width:38px;border-radius:9px;background:var(--blue-light);display:grid;place-items:center;font-size:1.1rem}
.mb-card strong{display:block;font-size:.86rem;line-height:1.7}
.mb-card p{font-size:.76rem;color:var(--ink-soft);line-height:1.7}
.mb-card em{font-size:.72rem;color:var(--gold);font-style:normal;font-weight:600}

/* CTA */
.cta-section{text-align:center;padding:56px 0;background:linear-gradient(135deg,rgba(11,61,92,.05) 0%,rgba(47,110,98,.05) 100%);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-section h2{font-size:1.6rem;font-weight:800;margin-bottom:10px;line-height:1.6}
.cta-section p{color:var(--ink-soft);font-size:.92rem;margin:0 auto 22px;max-width:560px}
.gold-text{color:var(--gold)}

/* ===== TOOL PAGE ===== */
.crumbs{font-size:.78rem;color:var(--ink-soft);padding:16px 0 0;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.crumbs a:hover{color:var(--gold)}
.crumbs .sep{opacity:.5}
.tool-hero{padding:22px 0 30px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--paper) 0%,var(--paper-raise) 100%);position:relative;overflow:hidden}
.tool-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 25% 40%,rgba(47,110,98,.07) 0%,transparent 60%),radial-gradient(ellipse at 80% 20%,rgba(175,127,42,.08) 0%,transparent 50%);pointer-events:none}
.tool-hero .wrap{position:relative}
.tool-hero .chips{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0 10px}
.chip{display:inline-flex;align-items:center;gap:5px;font-size:.74rem;font-weight:600;padding:4px 12px;border-radius:100px;background:var(--gold-light);color:var(--gold);border:1px solid rgba(175,127,42,.2)}
.chip.soft{background:var(--white);color:var(--ink-soft);border-color:var(--line);font-weight:500}
.tool-hero h1{font-size:2rem;font-weight:800;line-height:1.5;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.tool-hero h1 .ico{font-size:2rem}
.tool-hero .en{direction:ltr;text-align:right;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.85rem;color:var(--ink-soft);margin:2px 0 14px}
.tool-hero .lead{font-size:.92rem;line-height:2.05;max-width:70ch;border-inline-start:3px solid var(--gold);padding-inline-start:14px;color:var(--ink)}
@media(max-width:640px){.tool-hero h1{font-size:1.5rem}}

.tool-layout{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:36px;padding:36px 0 20px;align-items:start}
@media(max-width:900px){.tool-layout{grid-template-columns:1fr}.toc{display:none}}
.toc{position:sticky;top:84px;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:16px}
.toc h4{font-size:.8rem;font-weight:700;color:var(--ink-soft);margin-bottom:8px}
.toc a{display:block;padding:6px 10px;border-radius:7px;font-size:.8rem;color:var(--ink-soft);border-inline-start:2px solid transparent;transition:all .2s}
.toc a:hover{color:var(--gold);background:var(--gold-light)}
.toc a.active{color:var(--gold);border-inline-start-color:var(--gold);background:var(--gold-light);font-weight:700}
.toc .back{margin-top:10px;padding-top:10px;border-top:1px dashed var(--line);font-size:.76rem}

.tsec{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:24px 26px;margin-bottom:18px;scroll-margin-top:80px}
.tsec>h2{font-size:1.1rem;font-weight:800;display:flex;align-items:center;gap:10px;margin-bottom:14px;line-height:1.6}
.tsec>h2 .sico{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-size:1rem;background:var(--blue-light);flex-shrink:0}
.tsec:nth-of-type(2n)>h2 .sico{background:var(--teal-light)}
.tsec:nth-of-type(3n)>h2 .sico{background:var(--gold-light)}
.tsec p{font-size:.92rem;line-height:2.1;color:var(--ink-soft);margin-bottom:12px}
.tsec p:last-child{margin-bottom:0}
.tsec strong{color:var(--ink)}
@media(max-width:560px){.tsec{padding:18px 16px}}

.steps{counter-reset:s;display:flex;flex-direction:column;gap:10px;margin:14px 0}
.steps li{counter-increment:s;position:relative;padding:12px 56px 12px 14px;background:var(--paper);border:1px solid var(--line);border-radius:10px;font-size:.9rem;line-height:2;color:var(--ink-soft)}
.steps li::before{content:counter(s,persian);position:absolute;right:12px;top:12px;width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;display:grid;place-items:center;font-weight:800;font-size:.85rem;line-height:1}
.checks{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:10px;margin:14px 0}
.checks li{position:relative;padding:10px 38px 10px 14px;background:var(--paper);border:1px solid var(--line);border-radius:10px;font-size:.88rem;line-height:1.95;color:var(--ink-soft)}
.checks li::before{content:"✓";position:absolute;right:12px;top:11px;width:20px;height:20px;border-radius:50%;background:var(--teal-light);color:var(--teal);display:grid;place-items:center;font-size:.72rem;font-weight:800;line-height:1}
.checks.single{grid-template-columns:1fr}

figure.fig{margin:6px 0 0}
.fig-frame{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;display:flex;justify-content:center;overflow:hidden}
.fig-frame img{max-height:560px;width:auto;max-width:100%;height:auto;object-fit:contain}
figcaption{font-size:.76rem;color:var(--ink-soft);margin-top:8px;text-align:center}
.sample-caption{margin-top:14px}

.refs{counter-reset:r;display:flex;flex-direction:column;gap:8px}
.refs li{counter-increment:r;position:relative;padding:8px 44px 8px 10px;font-size:.82rem;line-height:1.85;color:var(--ink-soft);border-bottom:1px dashed var(--line);word-break:break-word;scroll-margin-top:90px}
.refs li:last-child{border-bottom:none}
.refs li::before{content:counter(r);position:absolute;right:6px;top:9px;width:26px;height:26px;border-radius:7px;background:var(--paper-raise);color:var(--ink-soft);display:grid;place-items:center;font-size:.72rem;font-weight:700;font-family:ui-monospace,Menlo,monospace}
.refs li:target,.refs li.hl{background:var(--gold-light);border-radius:8px}
.refs a,.tsec a.ext,.callout a{color:var(--blue);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(11,61,92,.3)}
[data-theme="dark"] .refs a,[data-theme="dark"] .tsec a.ext{color:#8fc1ec}
.refs a:hover,.tsec a.ext:hover{color:var(--gold)}
.refmark{color:var(--gold);font-weight:700;font-size:.85em}

.fn{color:var(--gold);cursor:help;font-size:.7em;font-weight:700;vertical-align:super;padding:0 2px;border-radius:3px}
.fn:hover,.fn:focus{background:var(--gold-light)}
.fnlist{margin-top:6px;padding-top:12px;border-top:1px dashed var(--line);display:flex;flex-wrap:wrap;gap:6px 18px;font-size:.78rem;color:var(--ink-soft)}
.fnlist li{display:flex;gap:6px;align-items:baseline}
.fnlist .n{color:var(--gold);font-weight:700}
.fnlist .e{direction:ltr;unicode-bidi:isolate;font-family:ui-monospace,Menlo,Consolas,monospace}
.fnhead{font-size:.78rem;font-weight:700;color:var(--ink-soft);margin:20px 0 0}
#tip{position:fixed;z-index:300;background:var(--ink);color:var(--paper);font-size:.76rem;line-height:1.6;padding:6px 10px;border-radius:7px;direction:ltr;text-align:left;max-width:min(320px,86vw);pointer-events:none;opacity:0;transition:opacity .15s;box-shadow:0 4px 14px rgba(0,0,0,.25)}
#tip.show{opacity:1}

.pn{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:6px 0 48px}
.pn a{display:flex;flex-direction:column;gap:2px;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:14px 18px;transition:all .2s}
.pn a:hover{border-color:var(--gold);transform:translateY(-2px);box-shadow:0 6px 20px rgba(175,127,42,.1)}
.pn small{font-size:.72rem;color:var(--gold);font-weight:700}
.pn span{font-size:.92rem;font-weight:700;line-height:1.7}
.pn .next{text-align:left}
.pn .ph{visibility:hidden}
@media(max-width:560px){.pn{grid-template-columns:1fr}}

/* FOOTER */
.footer{background:var(--ink);color:#fff;padding:36px 0 20px}
[data-theme="dark"] .footer{background:#080c16}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.3fr 1fr;gap:26px;margin-bottom:22px}
.footer h5{font-size:.85rem;font-weight:700;margin-bottom:11px;color:var(--gold)}
[data-theme="dark"] .footer{color:#E2E8F0}
.footer p,.footer a{font-size:.81rem;opacity:.75;line-height:1.9}
.footer a:hover{opacity:1;color:#D4A843}
.footer ul li{margin-bottom:6px}
.footer-bottom{padding-top:16px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:.75rem;opacity:.62}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr 1fr;gap:20px}.footer-bottom{flex-direction:column;text-align:center}}

/* BACK TO TOP */
.btt{position:fixed;bottom:20px;left:20px;z-index:99;width:40px;height:40px;border-radius:10px;border:none;cursor:pointer;background:var(--blue);color:#fff;display:grid;place-items:center;box-shadow:0 3px 12px rgba(11,61,92,.32);opacity:0;visibility:hidden;transform:translateY(8px);transition:all .3s}
.btt.show{opacity:1;visibility:visible;transform:translateY(0)}
.btt:hover{background:var(--teal)}
.btt svg{width:18px;height:18px}

/* REVEAL (only when JS is on) */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease}
.js .reveal.visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.js .reveal{opacity:1;transform:none;transition:none}*{transition-duration:.01ms!important}}

/* PRINT */
@media print{
  .nav,.btt,.progress,.toc,.pn,.cta-section,.footer,.skip,.search-filter{display:none!important}
  body{background:#fff;color:#000;font-size:12px}
  .tsec,.tool-card{break-inside:avoid;border-color:#ccc;background:#fff}
  .tool-hero,.hero{background:#fff}
  .js .reveal{opacity:1!important;transform:none!important}
  a{color:#000}
}
@counter-style persian{system:numeric;symbols:"۰" "۱" "۲" "۳" "۴" "۵" "۶" "۷" "۸" "۹"}

.refs li[dir=ltr]{padding:8px 10px 8px 44px;text-align:left}
.refs li[dir=ltr]::before{right:auto;left:6px}

/* ===== 1405 additions ===== */
.tsec.upd{border-color:var(--gold);background:linear-gradient(180deg,var(--gold-light),var(--white) 140px)}
.tsec.upd>h2 .sico{background:var(--gold);color:#fff}
.upd-note{font-size:.84rem!important;background:var(--white);border:1px dashed var(--gold);border-radius:8px;padding:8px 12px;color:var(--ink)!important}
.upd-h{font-size:.95rem;font-weight:800;margin:18px 0 8px;color:var(--ink)}
.upd-stats{display:grid;gap:10px}
.upd-stats li{background:var(--white);border:1px solid var(--line);border-inline-start:3px solid var(--teal);border-radius:8px;padding:10px 14px;font-size:.9rem;line-height:2;color:var(--ink-soft)}
.cite{font-size:.78rem;color:var(--ink-soft);white-space:normal}
.cite a,.upd-src a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
[data-theme="dark"] .cite a,[data-theme="dark"] .upd-src a{color:#8fc1ec}
.upd-tools{display:flex;flex-wrap:wrap;gap:8px}
.upd-tool{background:var(--blue-light);color:var(--blue);border-radius:100px;padding:3px 12px;font-size:.8rem;font-weight:600;direction:auto}
.upd-hint{font-size:.78rem!important;margin-top:10px}
.upd-src-h{font-size:.82rem!important;font-weight:700;margin:16px 0 4px!important;color:var(--ink)!important}
.upd-src li{font-size:.8rem}
.chip.new,.new-badge{background:var(--teal);color:#fff;border-color:var(--teal);border-radius:100px;font-size:.68rem;padding:1px 9px;font-weight:700}
.trend-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0}
.trend-card{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:18px}
.tr-num{font-size:2rem;font-weight:900;color:var(--gold);line-height:1.3}
.trend-card p{font-size:.86rem;line-height:1.9;color:var(--ink-soft);margin:6px 0 10px}
.tr-foot{display:flex;flex-direction:column;gap:6px;font-size:.78rem}
.tr-go{color:var(--teal);font-weight:700}
.bars{display:grid;gap:8px}
.bar-row{display:grid;grid-template-columns:minmax(120px,1.2fr) 2fr 44px;gap:10px;align-items:center;font-size:.8rem}
.bar-t{height:12px;background:var(--paper-raise);border-radius:100px;overflow:hidden}
.bar-t i{display:block;height:100%;background:linear-gradient(90deg,var(--teal),var(--blue));border-radius:100px}
.bar-v{font-weight:700;text-align:end}
.tpl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px}
.tpl-table{width:100%;border-collapse:collapse;font-size:.84rem;min-width:520px}
.tpl-table th{background:var(--blue);color:#fff;padding:8px 10px;font-weight:700;text-align:right}
.tpl-table td{padding:12px 10px;border-top:1px solid var(--line);color:var(--ink-soft);height:42px}
.dl-btn{display:inline-flex;margin-top:4px}
.as-set{border:0;display:grid;gap:8px}
.as-opt{display:flex;gap:10px;align-items:flex-start;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:10px 14px;cursor:pointer;font-size:.9rem;line-height:1.9}
.as-opt:has(input:checked){border-color:var(--teal);background:var(--teal-light)}
.as-opt input{margin-top:8px;accent-color:var(--teal);flex-shrink:0}
.as-opt input:disabled+span{opacity:.5}
.as-count{margin:12px 0!important;font-size:.84rem!important}
.btn[disabled]{opacity:.5;pointer-events:none}
.as-res{display:grid;gap:12px;counter-reset:r}
.as-res li{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:12px 16px;counter-increment:r}
.as-t{font-weight:800;font-size:1rem;display:flex;gap:8px;align-items:center;color:var(--blue)}
.as-why{font-size:.8rem!important;color:var(--teal)!important}
.tsec[hidden]{display:none}
@media(max-width:820px){.trend-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.trend-grid{grid-template-columns:1fr}.bar-row{grid-template-columns:1fr 44px}.bar-row .bar-l{grid-column:1/-1}.bar-row .bar-t{grid-column:1}}
@media print{.as-opt,.btn,.nav,.footer,.btt{display:none!important}#asResult{display:block!important}}
.tool-layout>div{min-width:0}.tpl-wrap{max-width:100%}