/* Jawda Designs — professional vanilla theme (no Tailwind). */
/* Self-hosted Inter (variable, latin + latin-ext) — no request to fonts.gstatic.com.
   Files: /assets/fonts/inter-latin.woff2, /assets/fonts/inter-latin-ext.woff2 */
@font-face{font-family:'Inter';font-style:normal;font-weight:400 800;font-display:swap;src:url(/assets/fonts/inter-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Inter';font-style:normal;font-weight:400 800;font-display:swap;src:url(/assets/fonts/inter-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}
:root{
  --jd-bg:#f5f6fa; --jd-surface:#ffffff; --jd-surface2:#eef0f7;
  --jd-ink:#0f172a; --jd-muted:#5d667d; --jd-faint:#8a93ab;
  --jd-line:#e5e8f0; --jd-line2:#eef0f6;
  --jd-brand:#4f46e5; --jd-brand2:#7c3aed; --jd-brand-dark:#3730a3;
  --jd-accent:#059669; --jd-accent-bg:#ecfdf5;
  --jd-amber:#b45309; --jd-amber-bg:#fffbeb;
  --jd-radius:16px; --jd-radius-sm:10px;
  --jd-shadow:0 1px 2px rgba(15,23,42,.05),0 8px 28px -12px rgba(15,23,42,.18);
  --jd-shadow-lg:0 2px 4px rgba(15,23,42,.06),0 20px 50px -16px rgba(79,70,229,.25);
  --jd-font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --jd-mono:ui-monospace,"Cascadia Code","Source Code Pro",Menlo,Consolas,monospace;
  --jd-max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;font-family:var(--jd-font);background:var(--jd-bg);color:var(--jd-ink);line-height:1.65;-webkit-font-smoothing:antialiased;font-size:16px;overflow-x:hidden;max-width:100vw}
img{max-width:100%;height:auto;display:block}
a{color:var(--jd-brand);text-decoration:none}
a:hover{color:var(--jd-brand-dark)}
:focus-visible{outline:2px solid var(--jd-brand);outline-offset:2px}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--jd-brand);outline-offset:2px}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}
.jd-skip-link{position:absolute;top:-9999px;left:16px;background:var(--jd-ink);color:#fff;padding:12px 18px;border-radius:10px;font-weight:700;font-size:14px;z-index:9999;box-shadow:var(--jd-shadow-lg);text-decoration:none}
.jd-skip-link:focus,.jd-skip-link:focus-visible{top:16px;outline:3px solid var(--jd-brand2)}
h1,h2,h3,h4{line-height:1.2;letter-spacing:-.02em;margin:0}
p{margin:0 0 1em}
::selection{background:#ddd6fe}

/* ---------- layout ---------- */
.jd-container{max-width:var(--jd-max);margin:0 auto;padding:0 24px}
.jd-main{min-height:70vh;padding-bottom:8px}
.jd-section{margin:44px 0 8px}
.jd-eyebrow{font-family:var(--jd-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--jd-brand);font-weight:700;margin-bottom:8px}
.jd-section-title{font-size:28px;font-weight:800;margin-bottom:6px}
.jd-section-sub{color:var(--jd-muted);margin-bottom:20px;max-width:640px}

/* ---------- header ---------- */
.jd-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--jd-line)}
.jd-header-inner{max-width:var(--jd-max);margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.jd-brand{display:flex;align-items:center;gap:10px;color:var(--jd-ink);font-weight:800;font-size:18px;letter-spacing:-.01em}
.jd-brand:hover{color:var(--jd-ink)}
.jd-logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--jd-brand),var(--jd-brand2));color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;box-shadow:0 6px 16px -6px rgba(79,70,229,.6)}
.jd-logo-sub{font-weight:500;color:var(--jd-muted);font-size:13px;display:block;line-height:1.1}
.jd-nav{display:flex;align-items:center;gap:4px}
.jd-nav-link{padding:9px 13px;border-radius:9px;color:#334155;font-size:14.5px;font-weight:600;white-space:nowrap}
.jd-nav-link:hover{background:var(--jd-surface2);color:var(--jd-ink)}
.jd-nav-link.active{background:#eef2ff;color:var(--jd-brand-dark)}
.jd-count-pill{font-size:11px;font-weight:700;background:var(--jd-accent-bg);color:#047857;border:1px solid #a7f3d0;border-radius:999px;padding:1px 8px;margin-left:6px;vertical-align:1px}
.jd-has-drop{position:relative}
.jd-drop{position:absolute;left:0;top:100%;min-width:280px;background:#fff;border:1px solid var(--jd-line);border-radius:14px;box-shadow:var(--jd-shadow-lg);padding:8px;display:none}
.jd-has-drop:hover .jd-drop,.jd-has-drop:focus-within .jd-drop{display:block}
.jd-drop a{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border-radius:10px;color:var(--jd-ink);font-size:14px;font-weight:600}
.jd-drop a span{display:block;font-weight:400;font-size:12.5px;color:var(--jd-muted)}
.jd-drop a:hover{background:var(--jd-surface2)}
.jd-drop-ico{width:32px;height:32px;flex:0 0 32px;border-radius:9px;background:var(--jd-surface2);display:inline-flex;align-items:center;justify-content:center;font-size:15px}
.jd-lang{position:relative}
.jd-lang-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--jd-line);background:#fff;border-radius:999px;padding:8px 14px;min-height:44px;font-size:13px;font-weight:700;text-transform:uppercase;cursor:pointer;color:#334155}
.jd-lang-btn:hover{border-color:#c7d2fe;color:var(--jd-brand-dark)}
.jd-lang-menu{position:absolute;right:0;top:calc(100% + 8px);background:#fff;border:1px solid var(--jd-line);border-radius:12px;box-shadow:var(--jd-shadow-lg);min-width:180px;padding:6px;display:none;z-index:70}
.jd-lang:hover .jd-lang-menu,.jd-lang:focus-within .jd-lang-menu,.jd-lang-menu.open{display:block}
.jd-lang-menu a,.jd-lang-menu span{display:block;padding:8px 12px;border-radius:8px;font-size:14px;color:#334155}
.jd-lang-menu a:hover{background:var(--jd-surface2);color:var(--jd-brand-dark)}
.jd-lang-menu .on{background:#eef2ff;color:var(--jd-brand-dark);font-weight:700}
.jd-burger{display:none;min-width:44px;min-height:44px;align-items:center;justify-content:center;border:1px solid var(--jd-line);background:#fff;border-radius:10px;padding:10px;cursor:pointer;color:var(--jd-ink)}
.jd-mobile{display:none;border-top:1px solid var(--jd-line);background:#fff;padding:8px 16px 14px}
.jd-mobile.open{display:block}
.jd-mobile a{display:block;padding:11px 8px;border-radius:9px;color:#334155;font-weight:600}
.jd-mobile a:hover{background:var(--jd-surface2)}
.jd-mobile-sub{padding:2px 0 6px 12px;display:flex;flex-direction:column;gap:2px}
.jd-mobile-sub a{font-size:13.5px;color:var(--jd-muted);padding:6px 8px}
.jd-mobile-langs{margin-top:10px;padding:10px 8px 0;border-top:1px dashed var(--jd-line);display:flex;align-items:center;gap:10px}
.jd-mobile-lang-title{font-size:13px;font-weight:700;color:var(--jd-muted)}
.jd-mobile-lang-list{display:flex;gap:6px;flex-wrap:wrap}
.jd-mobile-lang-list a,.jd-mobile-lang-list span{font-size:12px;font-weight:700;padding:5px 10px;border-radius:6px;border:1px solid var(--jd-line);color:#334155}
.jd-mobile-lang-list .on{background:#eef2ff;color:var(--jd-brand-dark);border-color:#c7d2fe}

/* ---------- hero ---------- */
.jd-hero{background:radial-gradient(900px 380px at 15% -10%,rgba(124,58,237,.35),transparent 60%),radial-gradient(800px 360px at 90% 0%,rgba(79,70,229,.4),transparent 55%),linear-gradient(180deg,#141a33 0%,#1d2350 55%,#2b1f6e 100%);color:#fff;border-radius:0 0 28px 28px;overflow:hidden}
.jd-hero-inner{max-width:var(--jd-max);margin:0 auto;padding:64px 24px 30px;text-align:center}
.jd-hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;color:#e0e7ff}
.jd-hero-badge i{width:8px;height:8px;border-radius:50%;background:#34d399;display:inline-block;box-shadow:0 0 0 4px rgba(52,211,153,.25)}
.jd-hero h1{font-size:clamp(32px,5vw,52px);font-weight:800;letter-spacing:-.03em;margin:18px auto 12px;max-width:760px}
.jd-hero h1 em{font-style:normal;background:linear-gradient(90deg,#a5b4fc,#e9d5ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.jd-hero p{color:#c7d2fe;font-size:clamp(15px,2vw,18px);max-width:620px;margin:0 auto 24px}
.jd-hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:26px}
.jd-btn{display:inline-flex;align-items:center;gap:8px;border-radius:12px;padding:13px 22px;font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s}
.jd-btn:active{transform:translateY(1px)}
.jd-btn-primary{background:#fff;color:#1e1b4b;box-shadow:0 10px 30px -10px rgba(0,0,0,.5)}
.jd-btn-primary:hover{background:#eef2ff;color:#1e1b4b}
/* Ghost button: light-surface variant by default (AA contrast on #f5f6fa/#fff).
   The dark hero keeps the translucent white variant via .jd-hero .jd-btn-ghost below. */
.jd-btn-ghost{background:#fff;color:var(--jd-ink);border-color:var(--jd-line)}
.jd-btn-ghost:hover{background:var(--jd-surface2);color:var(--jd-ink);border-color:#c7d2fe}
.jd-hero .jd-btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.25)}
.jd-hero .jd-btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;border-color:rgba(255,255,255,.4)}
.jd-btn-dark{background:var(--jd-ink);color:#fff}
.jd-btn-dark:hover{background:#1e293b;color:#fff}
.jd-search{max-width:620px;margin:0 auto;display:flex;gap:8px;background:#fff;border-radius:14px;padding:6px;box-shadow:var(--jd-shadow-lg)}
.jd-search input{flex:1;border:0;outline:0;padding:12px 16px;font-size:15px;border-radius:9px;color:var(--jd-ink);background:transparent;min-width:0}
.jd-search button{border:0;background:var(--jd-ink);color:#fff;border-radius:10px;padding:0 20px;min-height:44px;min-width:44px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;cursor:pointer;font-size:15px;transition:background .15s}
.jd-search button:hover{background:#1e293b}
.jd-stats{max-width:var(--jd-max);margin:26px auto 0;padding:0 24px 34px;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.jd-stat{background:rgba(255,255,255,.92);border-radius:14px;padding:14px 10px;text-align:center;color:var(--jd-ink)}
.jd-stat b{display:block;font-size:24px;letter-spacing:-.02em}
.jd-stat span{font-size:13px;color:var(--jd-muted);font-weight:600}

/* ---------- cards / grids ---------- */
.jd-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.jd-grid-4{grid-template-columns:repeat(4,1fr)}
.jd-card{background:var(--jd-surface);border:1px solid var(--jd-line);border-radius:var(--jd-radius);overflow:hidden;box-shadow:0 1px 2px rgba(15,23,42,.05);transition:transform .18s,box-shadow .18s;display:flex;flex-direction:column}
.jd-card:hover{transform:translateY(-4px);box-shadow:var(--jd-shadow-lg)}
.jd-card-media{aspect-ratio:16/9;background:var(--jd-surface2);overflow:hidden}
.jd-card-media img{width:100%;height:100%;object-fit:cover}
.jd-card-body{padding:18px 18px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
.jd-card-kicker{font-family:var(--jd-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--jd-brand);font-weight:700}
/* Touch target (WCAG 2.2 SC 2.5.8): the kicker sits 8px above the card title, so both
   need a >=24px tall hit box. input.min.css forces display:inline-block on
   .jd-card-kicker, hence the two-class selector; the negative block margins grow the
   hit box (26px, full card width) without changing where the label/title render. */
.jd-card .jd-card-kicker{display:flex;align-items:center;min-height:26px;line-height:1.4;margin:-5px 0}
.jd-card-title{font-size:17px;font-weight:750;line-height:1.45}
.jd-card-title a{display:inline-block;min-height:24px}
.jd-card-title a{color:var(--jd-ink)}
.jd-card-title a:hover{color:var(--jd-brand-dark)}
.jd-card-text{font-size:14px;color:var(--jd-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.jd-card-foot{margin-top:auto;padding-top:8px;display:flex;align-items:center;justify-content:space-between}
.jd-open{font-size:13.5px;font-weight:700;color:var(--jd-brand);display:inline-flex;align-items:center;min-height:28px}
.jd-cat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.jd-cat{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--jd-line);border-radius:12px;padding:14px 15px;font-weight:650;font-size:14.5px;color:var(--jd-ink);min-width:0;max-width:100%}
.jd-cat:hover{border-color:#c7d2fe;box-shadow:var(--jd-shadow)}
.jd-cat i{width:34px;height:34px;flex:0 0 34px;border-radius:10px;background:#eef2ff;color:var(--jd-brand-dark);display:inline-flex;align-items:center;justify-content:center;font-style:normal;font-weight:800}
.jd-cat span,.jd-cat-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0}
.jd-cat small,.jd-cat-count{flex-shrink:0;color:var(--jd-muted);font-size:12px;font-weight:500;margin-left:auto}
.jd-cat-pills{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 20px}
.jd-cat-pill{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--jd-line);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;color:var(--jd-ink);max-width:100%;min-width:0}
.jd-cat-pill:hover{border-color:#c7d2fe;background:var(--jd-surface2)}
.jd-cat-pill i{width:22px;height:22px;flex:0 0 22px;border-radius:50%;background:#eef2ff;color:var(--jd-brand-dark);display:inline-flex;align-items:center;justify-content:center;font-style:normal;font-weight:700;font-size:11px}
.jd-cat-pill span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.jd-cat-nav-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0 18px}
.jd-cat-nav-tab{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--jd-line);background:#fff;border-radius:10px;padding:8px 14px;font-size:14px;font-weight:700;color:var(--jd-muted);cursor:pointer;transition:all .15s}
.jd-cat-nav-tab:hover{border-color:#c7d2fe;color:var(--jd-brand)}
.jd-cat-nav-tab.active{background:#eef2ff;border-color:#c7d2fe;color:var(--jd-brand-dark)}
.jd-cat-nav-tab .tab-count{background:var(--jd-surface2);border-radius:999px;font-size:11px;padding:2px 7px;color:var(--jd-muted);font-weight:700}
.jd-cat-nav-tab.active .tab-count{background:#c7d2fe;color:var(--jd-brand-dark)}

/* ---------- page / article ---------- */
.jd-page{max-width:1020px;margin:0 auto;padding:34px 24px 10px}
.jd-narrow{max-width:1200px;margin:0 auto;padding:34px 24px 10px}
.jd-crumbs{font-size:13.5px;color:#334155;margin-bottom:14px}
.jd-crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;align-items:center}
.jd-crumbs a{color:#4338ca;font-weight:600}
.jd-crumbs a:hover{color:#312e81;text-decoration:underline}
.jd-crumbs span[itemprop="name"]{color:#0f172a;font-weight:600}
.jd-crumbs .sep{color:#64748b}
.jd-h1{font-size:clamp(28px,4vw,40px);font-weight:800;margin-bottom:10px}
.jd-lead{font-size:17px;color:var(--jd-muted);margin-bottom:18px}
.jd-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.jd-tag{font-size:12.5px;font-weight:700;background:#eef2ff;color:#3730a3;border:1px solid #c7d2fe;border-radius:999px;padding:4px 12px}
.jd-panel{background:#fff;border:1px solid var(--jd-line);border-radius:18px;box-shadow:var(--jd-shadow);padding:26px;margin:18px 0}
.jd-media{border-radius:18px;overflow:hidden;border:1px solid var(--jd-line);margin:18px 0}
.jd-split{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:18px 0}
.jd-share-box,.jd-cta-box{background:#fff;border:1px solid var(--jd-line);border-radius:16px;padding:20px;text-align:center}
.jd-cta-box{background:linear-gradient(135deg,#ecfdf5,#eff6ff);border-color:#a7f3d0}
.jd-prose{font-size:16.5px;color:#243044}
.jd-prose h2{font-size:24px;margin:1.6em 0 .6em}
.jd-prose h3{font-size:19px;margin:1.4em 0 .5em}
.jd-prose p{margin:0 0 1em}
.jd-prose ul,.jd-prose ol{margin:0 0 1.2em 1.2em;padding:0}
.jd-prose li{margin-bottom:.4em}
.jd-prose table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:15px}
.jd-prose th,.jd-prose td{border:1px solid var(--jd-line);padding:10px 12px;text-align:left}
.jd-prose th{background:var(--jd-surface2)}
.jd-prose code{font-family:var(--jd-mono);font-size:.9em;background:var(--jd-surface2);border:1px solid var(--jd-line);border-radius:6px;padding:1px 6px}
.jd-prose pre{background:#0f172a;color:#e2e8f0;border-radius:12px;padding:18px;overflow:auto;font-size:13.5px}
.jd-prose pre code{background:transparent;border:0;color:inherit;padding:0}
.jd-prose img{border-radius:12px;border:1px solid var(--jd-line)}

/* ---------- FAQ / share / pagination ---------- */
.jd-faq{background:#fff;border:1px solid var(--jd-line);border-radius:18px;padding:24px;margin:26px 0}
.jd-faq h2{font-size:20px;margin-bottom:14px}
.jd-faq details{border:1px solid var(--jd-line);border-radius:12px;padding:14px 16px;margin-bottom:10px;background:#fff}
.jd-faq summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:10px}
.jd-faq summary::-webkit-details-marker{display:none}
.jd-faq summary::after{content:"+";width:26px;height:26px;flex:0 0 26px;border-radius:50%;background:var(--jd-surface2);display:inline-flex;align-items:center;justify-content:center;font-weight:800;color:var(--jd-brand-dark)}
.jd-faq details[open] summary::after{content:"\2212"}
.jd-faq .a{margin-top:10px;color:var(--jd-muted);font-size:15px}
.jd-share-row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:12px}
.jd-share-btn{width:44px;height:44px;min-width:44px;min-height:44px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:#fff;border:0;cursor:pointer;transition:transform .15s}
.jd-share-btn:hover{transform:translateY(-2px)}
.jd-share-btn.fb{background:#1877f2}.jd-share-btn.x{background:#0f172a}.jd-share-btn.li{background:#0a66c2}.jd-share-btn.wa{background:#16a34a}.jd-share-btn.tg{background:#229ed9}.jd-share-btn.cp{background:var(--jd-surface2);color:#334155;border:1px solid var(--jd-line)}
.jd-pages{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:30px 0 10px}
.jd-page-num{min-width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--jd-line);background:#fff;border-radius:11px;font-weight:700;color:#334155;padding:0 12px}
.jd-page-num:hover{border-color:#c7d2fe}
.jd-page-num.on{background:var(--jd-brand);border-color:var(--jd-brand);color:#fff}

/* ---------- quiz ---------- */
.jd-quiz-box{background:#fff;border:1px solid var(--jd-line);border-radius:18px;padding:28px;box-shadow:var(--jd-shadow);margin:18px 0}
.jd-quiz-start{text-align:center;padding:10px 0}
.jd-quiz-start img{border-radius:12px;margin:0 auto 16px;max-width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;max-height:280px}
.jd-quiz-bar{height:8px;background:var(--jd-surface2);border-radius:999px;overflow:hidden;margin-bottom:18px}
.jd-quiz-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--jd-brand),var(--jd-brand2));border-radius:999px;transition:width .3s}
.jd-quiz-opt{display:block;border:1px solid var(--jd-line);border-radius:12px;padding:13px 15px;margin-bottom:10px;cursor:pointer;font-weight:550}
.jd-quiz-opt:hover{background:#f8faff;border-color:#c7d2fe}
.jd-quiz-q{font-size:19px;font-weight:750;margin-bottom:14px}
.jd-result-hero{background:#eef2ff;border:1px solid #c7d2fe;border-radius:14px;padding:20px;margin-bottom:16px;text-align:center}

/* ---------- forms / archive ---------- */
.jd-toolbar{display:flex;gap:10px;margin:18px 0 20px;flex-wrap:wrap;align-items:center}
.jd-input{flex:1;min-width:220px;border:1px solid var(--jd-line);border-radius:12px;padding:12px 15px;font-size:15px;outline:0;background:#fff;color:var(--jd-ink)}
.jd-input:focus{border-color:var(--jd-brand);box-shadow:0 0 0 3px rgba(79,70,229,.15)}
.jd-form-card{background:#fff;border:1px solid var(--jd-line);border-radius:18px;padding:26px;box-shadow:var(--jd-shadow);max-width:640px;margin:0 auto}
.jd-label{display:block;font-size:13.5px;font-weight:700;margin-bottom:14px;color:#334155}
.jd-label input,.jd-label textarea{display:block;width:100%;margin-top:7px;border:1px solid var(--jd-line);border-radius:10px;padding:12px 14px;font-size:15px;font-family:inherit;outline:0}
.jd-label input:focus,.jd-label textarea:focus{border-color:var(--jd-brand);box-shadow:0 0 0 3px rgba(79,70,229,.15)}
.jd-search-results{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.jd-search-hit{background:#fff;border:1px solid var(--jd-line);border-radius:12px;padding:16px;color:var(--jd-ink)}
.jd-search-hit:hover{border-color:#c7d2fe}
.jd-search-hit b{display:block;margin-bottom:4px}
.jd-search-hit span{font-size:13.5px;color:var(--jd-muted)}
.jd-empty{background:#fff;border:1px dashed var(--jd-line);border-radius:14px;padding:30px;text-align:center;color:var(--jd-muted)}
.jd-404{text-align:center;padding:80px 24px;max-width:560px;margin:0 auto}
.jd-404 b{font-size:72px;letter-spacing:-.04em;display:block}
.jd-resource-cta{background:linear-gradient(135deg,#ecfdf5,#eff6ff);border:1px solid #a7f3d0;border-radius:16px;padding:22px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin:18px 0}

/* ---------- footer ---------- */
.jd-footer{background:#0b1124;color:#e2e8f0;margin-top:56px}
.jd-footer-inner{max-width:var(--jd-max);margin:0 auto;padding:48px 24px 0;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:28px}
.jd-footer h4{color:#fff;font-size:14px;margin-bottom:12px;letter-spacing:.02em;font-weight:700}
.jd-footer p{font-size:14px;color:#cbd5e1;line-height:1.6}
.jd-footer a{color:#cbd5e1;font-size:14px;display:block;padding:5px 0}
.jd-footer a:hover{color:#fff}
.jd-foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:10px}
.jd-foot-note{font-size:13px;color:#cbd5e1;margin-top:10px}
.jd-foot-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:32px}
.jd-foot-bottom-inner{max-width:var(--jd-max);margin:0 auto;padding:16px 24px;display:flex;justify-content:space-between;gap:10px;font-size:13px;color:#cbd5e1;flex-wrap:wrap}
.jd-foot-bottom-inner a{color:#cbd5e1}
.jd-foot-bottom-inner a:hover{color:#fff}

/* ---------- responsive ---------- */
@media(max-width:960px){
  .jd-nav{display:none}
  .jd-burger{display:inline-flex}
  .jd-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .jd-grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .jd-cat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .jd-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .jd-footer-inner{grid-template-columns:repeat(2,minmax(0,1fr))}
  .jd-split{grid-template-columns:1fr}
  .jd-search-results{grid-template-columns:1fr}
}
@media(max-width:640px){
  .jd-grid,.jd-grid-4{grid-template-columns:1fr}
  .jd-hero-inner{padding:44px 16px 20px}
  .jd-container,.jd-header-inner,.jd-stats{padding-left:14px;padding-right:14px}
  .jd-panel{padding:16px}
  .jd-stats{gap:8px;grid-template-columns:repeat(2,minmax(0,1fr))}
  .jd-footer-inner{grid-template-columns:1fr}
}
@media(max-width:540px){
  .jd-cat-grid{grid-template-columns:1fr}
}
@media(max-width:380px){
  .jd-stats{grid-template-columns:1fr}
  .jd-cat{padding:12px 10px;gap:8px;font-size:13.5px}
  .jd-cat i{width:28px;height:28px;flex:0 0 28px;font-size:13px}
  .jd-header-inner{padding:0 12px;height:60px}
  .jd-brand{font-size:16px}
  .jd-logo-mark{width:30px;height:30px;font-size:16px}
  .jd-container{padding:0 12px}
  .jd-hero-inner{padding:36px 12px 16px}
  .jd-search{padding:4px}
  .jd-search input{padding:10px 12px;font-size:14px}
  .jd-search button{padding:0 16px}
}

/* ==================================================================
   Compatibility layer for existing calculator markup (tools-logic/*).
   These files use Tailwind-like utility classes. We style the subset
   actually used so calculators render professionally without the CDN.
   ================================================================== */
.hidden{display:none!important}
.block{display:block}.inline-block{display:inline-block}.inline-flex{display:inline-flex}.flex{display:flex}.grid{display:grid}
.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}
.gap-1{gap:4px}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.gap-6{gap:24px}.gap-8{gap:32px}
.space-y-1>*+*{margin-top:4px}.space-y-2>*+*{margin-top:8px}.space-y-3>*+*{margin-top:12px}.space-y-4>*+*{margin-top:16px}.space-y-6>*+*{margin-top:24px}
.relative{position:relative}.absolute{position:absolute}.sticky{position:sticky}
.w-full{width:100%}.h-2{height:8px}.h-3{width:12px;height:12px}.h-4{width:16px;height:16px}.h-6{width:24px;height:24px}.w-4{width:16px}.w-6{width:24px}.w-9{width:36px;height:36px}.h-9{height:36px}
.max-w-3xl{max-width:768px;margin-left:auto;margin-right:auto}.max-w-4xl{max-width:896px;margin-left:auto;margin-right:auto}.max-w-5xl{max-width:1024px;margin-left:auto;margin-right:auto}.max-w-7xl{max-width:1200px;margin-left:auto;margin-right:auto}.max-w-xl{max-width:576px;margin-left:auto;margin-right:auto}
.mx-auto{margin-left:auto;margin-right:auto}.mb-1{margin-bottom:4px}.mb-2{margin-bottom:8px}.mb-3{margin-bottom:12px}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}.mb-8{margin-bottom:32px}.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-3{margin-top:12px}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.mt-8{margin-top:32px}.mt-10{margin-top:40px}.mt-12{margin-top:48px}.my-6{margin-top:24px;margin-bottom:24px}.my-8{margin-top:32px;margin-bottom:32px}
.p-2{padding:8px}.p-3{padding:12px}.p-4{padding:16px}.p-5{padding:20px}.p-6{padding:24px}.p-8{padding:32px}
.px-1{padding-left:4px;padding-right:4px}.px-2{padding-left:8px;padding-right:8px}.px-3{padding-left:12px;padding-right:12px}.px-4{padding-left:16px;padding-right:16px}.px-5{padding-left:20px;padding-right:20px}.px-6{padding-left:24px;padding-right:24px}.px-8{padding-left:32px;padding-right:32px}
.py-1{padding-top:4px;padding-bottom:4px}.py-2{padding-top:8px;padding-bottom:8px}.py-3{padding-top:12px;padding-bottom:12px}.py-4{padding-top:16px;padding-bottom:16px}.py-6{padding-top:24px;padding-bottom:24px}.py-8{padding-top:32px;padding-bottom:32px}.py-10{padding-top:40px;padding-bottom:40px}.py-12{padding-top:48px;padding-bottom:48px}.py-24{padding-top:96px;padding-bottom:96px}
.text-xs{font-size:12px}.text-sm{font-size:14px}.text-base{font-size:16px}.text-lg{font-size:18px}.text-xl{font-size:20px}.text-2xl{font-size:24px}.text-3xl{font-size:30px}.text-4xl{font-size:36px}.text-6xl{font-size:60px}
.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}
.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}
.uppercase{text-transform:uppercase}.tracking-wide{letter-spacing:.05em}
.leading-normal{line-height:1.5}.whitespace-nowrap{white-space:nowrap}
.text-gray-400{color:#9ca3af}.text-gray-500{color:#6b7280}.text-gray-600{color:#4b5563}.text-gray-700{color:#374151}.text-gray-800{color:#1f2937}.text-gray-900{color:#111827}
.text-blue-600{color:#2563eb}.text-blue-700{color:#1d4ed8}.text-sky-500{color:#0ea5e9}.text-green-500{color:#22c55e}.text-amber-700{color:#b45309}
.text-white{color:#fff}.text-primary{color:var(--jd-brand)}
.bg-white{background:#fff}.bg-gray-50{background:#f9fafb}.bg-gray-100{background:#f3f4f6}.bg-gray-200{background:#e5e7eb}.bg-gray-900{background:#111827}
.bg-blue-50{background:#eff6ff}.bg-blue-600{background:#2563eb}.bg-blue-700{background:#1d4ed8}.bg-sky-500{background:#0ea5e9}.bg-sky-400{background:#38bdf8}
.bg-green-500{background:#22c55e}.bg-emerald-50{background:#ecfdf5}.bg-emerald-600{background:#059669}.bg-amber-50{background:#fffbeb}
.border{border:1px solid var(--jd-line)}.border-t{border-top:1px solid var(--jd-line)}.border-b{border-bottom:1px solid var(--jd-line)}
.border-gray-100{border-color:#f3f4f6}.border-gray-200{border-color:#e5e7eb}.border-gray-300{border-color:#d1d5db}.border-blue-100{border-color:#dbeafe}.border-blue-200{border-color:#bfdbfe}.border-emerald-200{border-color:#a7f3d0}.border-amber-100{border-color:#fef3c7}
.rounded{border-radius:6px}.rounded-lg{border-radius:10px}.rounded-xl{border-radius:14px}.rounded-2xl{border-radius:18px}.rounded-full{border-radius:999px}
.shadow-sm{box-shadow:0 1px 2px rgba(0,0,0,.06)}.shadow{box-shadow:var(--jd-shadow)}.shadow-lg{box-shadow:var(--jd-shadow-lg)}.shadow-md{box-shadow:0 4px 12px rgba(0,0,0,.1)}.shadow-xl{box-shadow:0 12px 32px rgba(0,0,0,.14)}
.overflow-hidden{overflow:hidden}.object-cover{object-fit:cover}
.grid-cols-1{grid-template-columns:1fr}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}
.transition-all{transition:all .2s}.transition-colors{transition:color .2s,background .2s,border-color .2s}.transition-shadow{transition:box-shadow .2s}.transition-transform{transition:transform .2s}
.hover\:bg-gray-50:hover{background:#f9fafb}.hover\:bg-gray-100:hover{background:#f3f4f6}.hover\:text-blue-600:hover{color:#2563eb}.hover\:text-white:hover{color:#fff}.hover\:shadow:hover{box-shadow:var(--jd-shadow)}.hover\:shadow-md:hover{box-shadow:0 6px 18px rgba(0,0,0,.12)}
.focus\:border-primary:focus{border-color:var(--jd-brand)}.focus\:ring-2:focus{box-shadow:0 0 0 3px rgba(79,70,229,.18)}
.outline-none{outline:0}.cursor-pointer{cursor:pointer}.cursor-help{cursor:help}
.font-mono{font-family:var(--jd-mono)}
.prose{color:#243044;max-width:72ch}.prose p{margin:0 0 1em}.prose h2{font-size:1.5em;margin:1.6em 0 .6em}.prose h3{font-size:1.2em;margin:1.3em 0 .5em}.prose ul,.prose ol{margin:0 0 1.2em 1.3em}.prose a{color:var(--jd-brand)}.prose img{border-radius:12px;border:1px solid var(--jd-line)}
.line-clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
input.border,select.border,textarea.border{border:1px solid #d1d5db;border-radius:10px;padding:10px 14px;font-size:15px}
button.bg-blue-600,button.bg-gray-900,a.bg-blue-600,a.bg-gray-900{border-radius:12px;font-weight:700}
a.bg-blue-600,button.bg-blue-600{background:#4f46e5!important;color:#fff!important;border:1px solid #4f46e5!important}
a.bg-blue-600:hover,button.bg-blue-600:hover{background:#3730a3!important}
@media(min-width:768px){
  .md\:flex{display:flex}.md\:hidden{display:none!important}.md\:grid-cols-2{grid-template-columns:repeat(2,1fr)}.md\:grid-cols-3{grid-template-columns:repeat(3,1fr)}.md\:grid-cols-4{grid-template-columns:repeat(4,1fr)}.md\:text-3xl{font-size:30px}.md\:text-4xl{font-size:36px}.md\:p-8{padding:32px}
}

/* ---------- quiz answer feedback ---------- */
.jd-quiz-opt.is-correct{background:#ecfdf5!important;border-color:#6ee7b7!important;color:#065f46}
.jd-quiz-opt.is-wrong{background:#fef2f2!important;border-color:#fca5a5!important;color:#7f1d1d}
.jd-quiz-opt.is-dim{opacity:.75}
.jd-quiz-feedback{border-radius:12px;padding:14px 16px;margin-top:14px;font-size:14.5px;border:1px solid var(--jd-line)}
.jd-quiz-feedback.good{background:#ecfdf5;border-color:#a7f3d0;color:#065f46}
.jd-quiz-feedback.bad{background:#fffbeb;border-color:#fde68a;color:#78350f}

/* ---------- copy-link feedback ---------- */
.jd-share-btn.cp.copied{background:#059669!important;border-color:#059669!important;color:#fff!important}