/* ===== Mohoh — Fun Tools Design System ===== */
:root{
  --pink:#ff5ca8; --pink-d:#e23e8c;
  --purple:#7b5cff; --purple-d:#5f3fe0;
  --blue:#2bc4ff; --blue-d:#0aa3e0;
  --teal:#1fd8b4; --teal-d:#10b896;
  --yellow:#ffd23f; --orange:#ff8a3d; --orange-d:#f06d1d;
  --green:#34d27b; --red:#ff5a5a;
  --ink:#1f1b3a; --ink-soft:#4a4470; --muted:#7d77a3;
  --bg:#fbfaff; --card:#ffffff; --line:#ece8fb;
  --grad:linear-gradient(135deg,#ff5ca8 0%,#7b5cff 50%,#2bc4ff 100%);
  --grad-warm:linear-gradient(135deg,#ffd23f 0%,#ff8a3d 60%,#ff5ca8 100%);
  --grad-cool:linear-gradient(135deg,#1fd8b4 0%,#2bc4ff 55%,#7b5cff 100%);
  --shadow:0 10px 30px rgba(123,92,255,.12);
  --shadow-lg:0 24px 60px rgba(123,92,255,.22);
  --radius:20px; --radius-sm:12px;
  --font:'Poppins',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.65;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--purple-d);text-decoration:none;transition:.2s}
a:hover{color:var(--pink-d)}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.narrow{max-width:780px}

/* decorative blobs */
body::before{content:"";position:fixed;top:-180px;right:-160px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,92,168,.18),transparent 70%);z-index:-1;pointer-events:none}
body::after{content:"";position:fixed;bottom:-200px;left:-180px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(43,196,255,.16),transparent 70%);z-index:-1;pointer-events:none}

/* ===== Header ===== */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.35rem;color:var(--ink);letter-spacing:-.5px}
.brand .logo{width:38px;height:38px;flex:0 0 38px}
.brand b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-links a{color:var(--ink-soft);font-weight:600;font-size:.95rem;padding:8px 13px;border-radius:10px}
.nav-links a:hover{background:#f3f0ff;color:var(--purple-d)}
.nav-links a.cta{background:var(--grad);color:#fff;box-shadow:var(--shadow)}
.nav-links a.cta:hover{filter:brightness(1.05);transform:translateY(-1px)}
.burger{display:none;background:none;border:0;cursor:pointer;font-size:1.6rem;color:var(--purple-d)}
@media(max-width:860px){
  .burger{display:block}
  .nav-links{position:absolute;top:66px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;
    padding:10px 16px;gap:2px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);
    transform:translateY(-12px);opacity:0;visibility:hidden;transition:.22s}
  .nav-links.open{transform:translateY(0);opacity:1;visibility:visible}
  .nav-links a{padding:12px 10px}
}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;cursor:pointer;
  font-family:var(--font);font-weight:700;font-size:1.05rem;padding:14px 28px;border-radius:14px;
  background:var(--grad);color:#fff;box-shadow:var(--shadow);transition:.18s;text-align:center}
.btn:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:var(--shadow-lg);color:#fff}
.btn:active{transform:translateY(0) scale(.98)}
.btn.warm{background:var(--grad-warm)}
.btn.cool{background:var(--grad-cool)}
.btn.ghost{background:#fff;color:var(--purple-d);border:2px solid var(--line);box-shadow:none}
.btn.ghost:hover{border-color:var(--purple);color:var(--purple-d)}
.btn.sm{padding:10px 18px;font-size:.95rem;border-radius:11px}
.btn.big{padding:18px 40px;font-size:1.2rem;border-radius:18px}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}

/* ===== Hero ===== */
.hero{text-align:center;padding:54px 0 28px}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  color:var(--purple-d);font-weight:700;font-size:.82rem;padding:7px 16px;border-radius:999px;box-shadow:var(--shadow);margin-bottom:18px}
.hero h1{font-size:clamp(2rem,5.5vw,3.4rem);font-weight:800;letter-spacing:-1.2px;line-height:1.08}
.hero h1 b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:clamp(1.05rem,2.4vw,1.28rem);color:var(--ink-soft);max-width:660px;margin:18px auto 0}

/* ===== Tool page header ===== */
.tool-head{text-align:center;padding:40px 0 8px}
.tool-head .ico{width:84px;height:84px;margin:0 auto 14px;filter:drop-shadow(0 10px 18px rgba(123,92,255,.28))}
.tool-head h1{font-size:clamp(1.8rem,4.6vw,2.7rem);font-weight:800;letter-spacing:-.8px;line-height:1.12}
.tool-head p{color:var(--ink-soft);max-width:620px;margin:12px auto 0;font-size:1.08rem}

/* breadcrumbs */
.crumbs{font-size:.85rem;color:var(--muted);padding:18px 0 0}
.crumbs a{color:var(--muted);font-weight:600}
.crumbs a:hover{color:var(--purple-d)}
.crumbs span{margin:0 7px;opacity:.6}

/* ===== Cards / sections ===== */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}
.tool-stage{background:var(--card);border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow-lg);
  padding:34px 28px;margin:26px 0;text-align:center;position:relative;overflow:hidden}
.tool-stage::before{content:"";position:absolute;inset:0;background:var(--grad);opacity:.04;pointer-events:none}
section.block{padding:30px 0}
section.block h2{font-size:clamp(1.4rem,3.2vw,1.9rem);font-weight:800;letter-spacing:-.5px;margin-bottom:14px}
section.block h2 .em{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
section.block h3{font-size:1.15rem;font-weight:700;margin:18px 0 8px;color:var(--ink)}
section.block p{color:var(--ink-soft);margin-bottom:12px}
section.block ul,section.block ol{color:var(--ink-soft);margin:0 0 14px 22px}
section.block li{margin-bottom:7px}
.prose{font-size:1.04rem}
.prose p{margin-bottom:14px}

/* steps */
.steps{display:grid;gap:14px;counter-reset:s;margin:6px 0}
.steps .step{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:16px 18px}
.steps .step .n{flex:0 0 34px;width:34px;height:34px;border-radius:50%;background:var(--grad);color:#fff;
  font-weight:800;display:grid;place-items:center}
.steps .step b{display:block;color:var(--ink);margin-bottom:2px}
.steps .step p{margin:0;font-size:.97rem}

/* ===== Controls ===== */
.controls{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;align-items:center;margin:6px 0}
.field{display:flex;flex-direction:column;gap:6px;text-align:left}
.field label{font-weight:700;font-size:.9rem;color:var(--ink-soft)}
input[type=text],input[type=number],textarea,select{font-family:var(--font);font-size:1rem;color:var(--ink);
  background:#fbfaff;border:2px solid var(--line);border-radius:12px;padding:12px 14px;outline:none;transition:.18s;width:100%}
input:focus,textarea:focus,select:focus{border-color:var(--purple);background:#fff;box-shadow:0 0 0 4px rgba(123,92,255,.12)}
textarea{min-height:120px;resize:vertical;line-height:1.5}
.inline-num{display:flex;align-items:center;gap:8px}
.inline-num input{width:90px;text-align:center}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:10px 0}
.chip{background:#f3f0ff;border:1px solid var(--line);color:var(--purple-d);font-weight:700;font-size:.85rem;
  padding:7px 14px;border-radius:999px;cursor:pointer;transition:.16s}
.chip:hover{background:#e9e3ff}
.chip.active{background:var(--grad);color:#fff;border-color:transparent}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:14px 0}
.tag{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-weight:600;
  display:inline-flex;align-items:center;gap:8px;box-shadow:var(--shadow)}
.tag button{background:none;border:0;cursor:pointer;color:var(--red);font-weight:800;font-size:1rem;line-height:1}

/* result display */
.result{font-size:clamp(2.6rem,9vw,4.6rem);font-weight:800;letter-spacing:-1px;line-height:1.05;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin:6px 0;
  min-height:1.1em;word-break:break-word}
.result.sm{font-size:clamp(1.5rem,5vw,2.4rem)}
.result-sub{color:var(--muted);font-weight:600;font-size:1rem;margin-top:2px}
.result-box{background:#faf8ff;border:2px dashed var(--line);border-radius:16px;padding:18px;margin-top:12px;
  font-size:1.2rem;font-weight:700;color:var(--ink);word-break:break-word}
.copyable{display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center}
.flash{animation:flash .5s ease}
@keyframes flash{0%{transform:scale(.7);opacity:0}60%{transform:scale(1.08)}100%{transform:scale(1);opacity:1}}
.shake{animation:shake .5s}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-8px)}75%{transform:translateX(8px)}}
.spin-anim{animation:sp .5s linear}
@keyframes sp{from{transform:rotate(0)}to{transform:rotate(360deg)}}

/* tools grid (home / hub) */
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px;margin:8px 0}
.tcard{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px 20px;box-shadow:var(--shadow);
  transition:.2s;display:flex;flex-direction:column;gap:8px;position:relative;overflow:hidden}
.tcard::after{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);opacity:0;transition:.2s}
.tcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent;color:inherit}
.tcard:hover::after{opacity:1}
.tcard .ti{width:48px;height:48px}
.tcard h3{font-size:1.08rem;font-weight:700;color:var(--ink);margin:0}
.tcard p{font-size:.9rem;color:var(--muted);margin:0}
.cat-pill{display:inline-block;font-size:.72rem;font-weight:700;color:var(--purple-d);background:#f3f0ff;
  padding:3px 10px;border-radius:999px;align-self:flex-start}

/* category headers */
.cat-title{display:flex;align-items:center;gap:12px;margin:34px 0 16px}
.cat-title .dot{width:14px;height:14px;border-radius:5px;background:var(--grad)}
.cat-title h2{font-size:1.5rem;font-weight:800;letter-spacing:-.4px}

/* FAQ */
.faq{display:grid;gap:12px;margin-top:8px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 20px;box-shadow:var(--shadow);overflow:hidden}
.faq summary{cursor:pointer;font-weight:700;color:var(--ink);padding:16px 0;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--purple);font-weight:400;transition:.2s;flex:0 0 auto}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--ink-soft);padding:0 0 16px;margin:0}

/* author / E-E-A-T */
.author{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:16px 18px;box-shadow:var(--shadow);margin:20px 0}
.author img{width:54px;height:54px;border-radius:50%;flex:0 0 54px;background:#f3f0ff}
.author .meta b{display:block;color:var(--ink)}
.author .meta span{font-size:.88rem;color:var(--muted)}

/* callout */
.note{background:#f3f0ff;border-left:4px solid var(--purple);border-radius:0 12px 12px 0;padding:14px 18px;margin:16px 0;color:var(--ink-soft)}
.note.warm{background:#fff4e8;border-color:var(--orange)}

/* related */
.related{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-top:10px}
.related a{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px;font-weight:600;
  color:var(--ink-soft);box-shadow:var(--shadow);display:flex;align-items:center;gap:10px;transition:.18s}
.related a:hover{transform:translateY(-2px);color:var(--purple-d);border-color:var(--purple)}
.related a svg{width:26px;height:26px;flex:0 0 26px}

/* ad slot */
.ad-slot{margin:26px auto;max-width:970px;min-height:0;text-align:center}
.ad-label{font-size:.7rem;letter-spacing:1px;color:var(--muted);text-transform:uppercase;margin-bottom:4px}

/* ===== Footer ===== */
footer.site{background:#1a1636;color:#cfc9f0;margin-top:50px;padding:46px 0 26px}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
footer.site h4{color:#fff;font-size:1rem;margin-bottom:12px;font-weight:700}
footer.site a{color:#b6aee6;font-size:.92rem;display:block;padding:4px 0}
footer.site a:hover{color:#fff}
footer.site .fbrand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.3rem;color:#fff;margin-bottom:10px}
footer.site .fbrand .logo{width:34px;height:34px}
footer.site .tag{background:none;border:0;box-shadow:none;color:#9b93cf;font-size:.9rem;padding:0;display:block}
.footnote{border-top:1px solid rgba(255,255,255,.1);margin-top:30px;padding-top:18px;text-align:center;
  font-size:.85rem;color:#8e87bd}
.footnote a{display:inline;color:#b6aee6}
@media(max-width:760px){footer.site .cols{grid-template-columns:1fr 1fr}}
@media(max-width:480px){footer.site .cols{grid-template-columns:1fr}}

/* cookie banner */
#cookie-banner{position:fixed;left:16px;right:16px;bottom:16px;z-index:200;background:#fff;border:1px solid var(--line);
  border-radius:18px;box-shadow:var(--shadow-lg);padding:18px 20px;display:none;align-items:center;gap:16px;
  flex-wrap:wrap;justify-content:center;max-width:880px;margin:0 auto}
#cookie-banner p{margin:0;color:var(--ink-soft);font-size:.92rem;flex:1 1 320px}
#cookie-banner .cb-btns{display:flex;gap:10px;flex-wrap:wrap}
#cookie-banner.show{display:flex}

/* misc */
.center{text-align:center}
.mt{margin-top:18px}.mt2{margin-top:30px}
.hist{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:14px}
.hist span{background:#f3f0ff;color:var(--purple-d);font-weight:700;border-radius:10px;padding:6px 12px;font-size:.9rem}
.muted{color:var(--muted)}
.small{font-size:.85rem}
.toast{position:fixed;bottom:90px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;
  padding:11px 20px;border-radius:12px;font-weight:600;z-index:300;opacity:0;transition:.3s;pointer-events:none}
.toast.show{opacity:1}
hr.soft{border:0;border-top:1px solid var(--line);margin:26px 0}