:root{
  --bg:#f6f7fb;--surface:#ffffff;--surface-soft:#f9fafc;--text:#141823;
  --muted:#6d7587;--line:#e7e9ef;--primary:#6d4aff;--primary2:#8b5cf6;
  --cyan:#0ea5e9;--green:#10b981;--amber:#f59e0b;--red:#ef4444;
  --shadow:0 20px 65px rgba(33,39,62,.11);--radius:24px;--max:1200px
}
[data-theme="dark"]{
  --bg:#070b14;--surface:#101725;--surface-soft:#0b1120;--text:#f8fafc;
  --muted:#9aa8bb;--line:rgba(255,255,255,.09);--shadow:0 28px 80px rgba(0,0,0,.36)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--text);background:
  radial-gradient(circle at 7% 0,rgba(109,74,255,.12),transparent 28%),
  radial-gradient(circle at 96% 8%,rgba(14,165,233,.10),transparent 26%),var(--bg);
  font-family:Pretendard,"Noto Sans KR",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.65
}
button,input,select{font:inherit}a{color:inherit}.container{width:min(var(--max),calc(100% - 30px));margin:auto}
.header{height:70px;position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--bg) 80%,transparent);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:950;letter-spacing:.045em}
.logo{width:40px;height:40px;border-radius:14px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--primary),var(--cyan));box-shadow:0 11px 28px rgba(109,74,255,.30)}
.nav{display:flex;gap:24px}.nav a{text-decoration:none;font-size:13px;font-weight:800;color:var(--muted)}.nav a:hover{color:var(--text)}
.header-actions{display:flex;gap:8px}.icon-btn{width:40px;height:40px;border-radius:13px;border:1px solid var(--line);background:var(--surface);color:var(--text);cursor:pointer}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.hero{display:grid;grid-template-columns:1.16fr .84fr;gap:20px;padding-top:30px}
.hero-copy{min-height:440px;padding:46px 44px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;position:relative}
.hero-copy:after{content:"";position:absolute;width:370px;height:370px;right:-145px;bottom:-205px;border-radius:50%;background:radial-gradient(circle,rgba(109,74,255,.28),transparent 67%)}
.eyebrow,.label{color:var(--primary);font-size:11px;font-weight:950;letter-spacing:.14em}
.hero h1{font-size:clamp(44px,6vw,78px);line-height:.98;letter-spacing:-.065em;margin:16px 0}
.gradient{background:linear-gradient(90deg,var(--primary2),var(--cyan));-webkit-background-clip:text;color:transparent}
.hero p{max-width:630px;margin:0;color:var(--muted);font-size:16px}.hero-sub{display:block;color:var(--text);font-size:17px;font-weight:900;margin-bottom:10px}
.hero-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px;margin-bottom:28px}.hero-tags span{padding:8px 10px;border-radius:999px;border:1px solid color-mix(in srgb,var(--primary) 28%,var(--line));background:color-mix(in srgb,var(--primary) 10%,var(--surface));color:var(--primary);font-size:11px;font-weight:850}
.actions{display:flex;gap:12px;flex-wrap:wrap;z-index:2;margin-top:18px;padding-top:8px}.btn{border:0;border-radius:16px;padding:15px 21px;font-weight:900;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:7px;transition:transform .18s ease,box-shadow .18s ease}
.btn.primary{color:#fff;background:linear-gradient(135deg,var(--primary),#4f46e5);box-shadow:0 13px 30px rgba(109,74,255,.28)}.btn:hover{transform:translateY(-2px)}.btn.secondary{background:var(--surface-soft);border:1px solid var(--line);color:var(--text)}
.latest{padding:28px}.head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.head h2{margin:4px 0;font-size:27px;letter-spacing:-.035em}.head p{margin:0;color:var(--muted);font-size:13px}
.status{font-size:10px;font-weight:900;padding:7px 10px;border-radius:999px;color:var(--green);background:color-mix(in srgb,var(--green) 11%,transparent);white-space:nowrap}.status.fallback{color:var(--amber)}
.draw{display:flex;align-items:center;gap:11px;flex-wrap:wrap;margin-top:34px}.balls{display:flex;gap:9px;flex-wrap:wrap}.ball{width:47px;height:47px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:16px;font-weight:950;box-shadow:inset 0 -7px 12px rgba(0,0,0,.17),0 8px 18px rgba(0,0,0,.15)}
.ball.sm{width:32px;height:32px;font-size:11px}.c1{background:#eab308}.c2{background:#3b82f6}.c3{background:#ef4444}.c4{background:#64748b}.c5{background:#10b981}.plus{font-size:22px;color:var(--muted)}
.summary{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:26px}.summary div{padding:14px;border:1px solid var(--line);border-radius:16px;background:var(--surface-soft)}.summary span{display:block;color:var(--muted);font-size:11px}.summary strong{font-size:16px}
.today{margin-top:20px;padding:24px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px}.today h2{margin:4px 0}.today p{margin:0;color:var(--muted);font-size:13px}.today-main{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.grid{display:grid;grid-template-columns:minmax(0,1fr) 370px;gap:20px;margin-top:20px}.generator,.history,.saved,.stats,.round,.content,.faq{padding:28px}
.tools{display:flex;gap:8px}.mini{border:1px solid var(--line);background:var(--surface-soft);color:var(--text);border-radius:12px;padding:9px 11px;font-size:12px;font-weight:850;cursor:pointer}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}.form-grid label span{display:block;font-size:12px;font-weight:850;margin-bottom:7px}
input,select{width:100%;border:1px solid var(--line);border-radius:14px;padding:13px 14px;background:var(--surface-soft);color:var(--text);outline:none}
input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 4px color-mix(in srgb,var(--primary) 14%,transparent)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.chip{border:1px solid var(--line);background:var(--surface-soft);color:var(--muted);border-radius:999px;padding:10px 12px;font-size:12px;font-weight:850;cursor:pointer}.chip.active{background:color-mix(in srgb,var(--primary) 13%,var(--surface));border-color:color-mix(in srgb,var(--primary) 35%,var(--line));color:var(--primary)}
.generate{width:100%;padding:16px}.results{display:grid;gap:11px;margin-top:20px}.result{display:grid;grid-template-columns:58px 1fr auto auto;align-items:center;gap:13px;padding:15px;border-radius:18px;border:1px solid var(--line);background:var(--surface-soft);transition:.2s}.result:hover{transform:translateY(-2px)}.result .ball{width:41px;height:41px;font-size:14px}.set{font-size:11px;font-weight:950;color:var(--primary)}.result-stat{font-size:11px;color:var(--muted);text-align:right}.result-actions{display:flex;gap:6px}.result-actions button{width:35px;height:35px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--text);cursor:pointer}
.reveal .ball{animation:pop .42s ease both}.reveal .ball:nth-child(2){animation-delay:.07s}.reveal .ball:nth-child(3){animation-delay:.14s}.reveal .ball:nth-child(4){animation-delay:.21s}.reveal .ball:nth-child(5){animation-delay:.28s}.reveal .ball:nth-child(6){animation-delay:.35s}@keyframes pop{0%{opacity:0;transform:scale(.5)}70%{transform:scale(1.12)}100%{opacity:1;transform:scale(1)}}
.side{display:grid;gap:20px;align-content:start}.list{display:grid;gap:10px;margin-top:18px}.history-row,.saved-row{padding:13px;border:1px solid var(--line);background:var(--surface-soft);border-radius:16px}.row-meta{display:flex;justify-content:space-between;gap:10px;margin-bottom:9px}.row-meta strong{font-size:13px}.row-meta span{font-size:10px;color:var(--muted)}.saved-row{display:flex;align-items:center;justify-content:space-between}.saved-row strong{font-size:13px}.delete{border:0;background:none;color:var(--muted);cursor:pointer}
.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}.frequency{display:grid;gap:10px;margin-top:18px}.freq{display:grid;grid-template-columns:28px 1fr 45px;gap:10px;align-items:center;font-size:12px}.bar{height:8px;background:var(--surface-soft);border-radius:999px;overflow:hidden}.bar i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),var(--cyan))}
.round-form{display:flex;gap:8px;margin-top:18px}.round-form input{flex:1}.round-result{margin-top:17px}
.feature-grid,.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:20px}.feature,.guide-card{padding:22px}.feature-icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:color-mix(in srgb,var(--primary) 11%,var(--surface));color:var(--primary);font-size:19px}.feature h3,.guide-card h3{margin:13px 0 6px}.feature p,.guide-card p{margin:0;color:var(--muted);font-size:13px}.guide-card{text-decoration:none;transition:.18s}.guide-card:hover{transform:translateY(-3px)}.guide-card small{color:var(--primary);font-weight:900}
.seo{display:grid;grid-template-columns:1.25fr .75fr;gap:20px;margin-top:20px}.seo-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:18px}.seo-grid div{padding:16px;border-radius:16px;border:1px solid var(--line);background:var(--surface-soft)}.seo-grid h3{margin:0 0 6px;font-size:16px}.seo-grid p{margin:0;color:var(--muted);font-size:13px}.faq details{padding:14px 0;border-top:1px solid var(--line)}.faq summary{cursor:pointer;font-weight:850}.faq p{font-size:13px;color:var(--muted)}
.ad-slot:empty{display:none}.ad-slot:not(:empty){min-height:90px;margin-top:20px;display:grid;place-items:center}
.footer{margin-top:58px;padding:36px 0;border-top:1px solid var(--line)}.footer-main{display:flex;justify-content:space-between;gap:20px}.footer-nav{display:flex;gap:18px;flex-wrap:wrap}.footer-nav a{text-decoration:none;color:var(--muted);font-size:12px;font-weight:750}.copy{margin-top:20px;color:var(--muted);font-size:11px}
.toast{position:fixed;left:50%;bottom:24px;z-index:80;transform:translate(-50%,20px);opacity:0;padding:11px 16px;border-radius:999px;background:var(--text);color:var(--bg);font-size:12px;font-weight:900;transition:.22s}.toast.show{opacity:1;transform:translate(-50%,0)}
.cookie{position:fixed;left:18px;right:18px;bottom:18px;z-index:70;max-width:760px;margin:auto;padding:16px 18px;border:1px solid var(--line);border-radius:17px;background:var(--surface);box-shadow:var(--shadow);display:none;align-items:center;justify-content:space-between;gap:14px}.cookie.show{display:flex}.cookie p{margin:0;color:var(--muted);font-size:12px}
.page{padding:48px 0}.article{max-width:860px;margin:auto;padding:36px}.article h1{font-size:40px;line-height:1.15;letter-spacing:-.04em}.article h2{margin-top:35px}.article p,.article li{color:var(--muted)}.lead{font-size:18px!important;color:var(--text)!important}.contact-box{padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--surface-soft)}
@media(max-width:920px){.hero,.grid{grid-template-columns:1fr}.side{grid-template-columns:1fr 1fr}.feature-grid,.guide-grid{grid-template-columns:repeat(2,1fr)}.seo{grid-template-columns:1fr}}
@media(max-width:680px){.container{width:min(100% - 16px,var(--max))}.nav{display:none}.hero{padding-top:16px}.hero-copy,.latest,.generator,.history,.saved,.stats,.round,.content,.faq,.article{padding:19px;border-radius:21px}.hero-copy{min-height:390px;padding:24px 20px}.hero h1{font-size:45px}.hero-tags{margin-bottom:24px}.actions{width:100%;margin-top:12px}.actions .btn{flex:1;min-width:0}.form-grid,.side,.feature-grid,.guide-grid,.seo-grid,.tool-grid{grid-template-columns:1fr}.summary{grid-template-columns:1fr}.today{align-items:flex-start;flex-direction:column}.tools{display:none}.result{grid-template-columns:50px 1fr auto}.result-stat{grid-column:2;text-align:left}.result-actions{grid-column:3;grid-row:1}.footer-main{display:block}.footer-nav{margin-top:16px}.cookie{flex-direction:column;align-items:flex-start}}

/* V4 polish */
.quick-nav{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
  margin-top:20px
}
.quick-card{
  padding:17px 18px;
  display:flex;
  align-items:center;
  gap:13px;
  text-decoration:none;
  box-shadow:none;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease
}
.quick-card:hover{
  transform:translateY(-3px);
  border-color:color-mix(in srgb,var(--primary) 30%,var(--line));
  box-shadow:0 16px 34px rgba(33,39,62,.08)
}
.quick-icon{
  width:42px;height:42px;border-radius:14px;
  display:grid;place-items:center;
  background:color-mix(in srgb,var(--primary) 10%,var(--surface));
  font-size:18px
}
.quick-card strong{display:block;font-size:14px}
.quick-card small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
.trust-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:22px;color:var(--muted);font-size:11px;font-weight:750}
.hero-copy{isolation:isolate}
.hero-copy>div,.hero-copy>.trust-row,.hero-copy>.actions{position:relative;z-index:2}
.latest{position:relative;overflow:hidden}
.latest:after{
  content:"";position:absolute;right:-90px;top:-110px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,color-mix(in srgb,var(--cyan) 18%,transparent),transparent 68%);
  pointer-events:none
}
.head h2{line-height:1.2}
.history-row{transition:transform .16s ease,border-color .16s ease}
.history-row:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--primary) 25%,var(--line))}
.generator{position:relative;overflow:hidden}
.generator:before{
  content:"";position:absolute;left:-120px;bottom:-150px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,color-mix(in srgb,var(--primary) 10%,transparent),transparent 70%);
  pointer-events:none
}
.generator>*{position:relative;z-index:1}
.generate{font-size:15px;letter-spacing:-.01em}
.result{box-shadow:0 8px 20px rgba(20,24,35,.035)}
.result-actions button:hover{border-color:var(--primary);color:var(--primary)}
.today{box-shadow:0 12px 36px rgba(33,39,62,.07)}
.seo .content,.seo .faq{box-shadow:none}
.footer{background:color-mix(in srgb,var(--surface) 35%,transparent)}
@media(max-width:920px){
  .quick-nav{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:680px){
  .quick-nav{grid-template-columns:1fr 1fr;gap:10px}
  .quick-card{padding:14px}
  .quick-icon{width:38px;height:38px}
  .trust-row{gap:8px;margin-top:18px}
  .trust-row span{width:100%}
}

/* V4.1 header controls */
.header-actions{
  display:flex;
  align-items:center;
  gap:10px
}
.header-control{
  position:relative;
  height:42px;
  border:1px solid var(--line);
  border-radius:14px;
  background:color-mix(in srgb,var(--surface) 92%,transparent);
  color:var(--text);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:0 13px;
  cursor:pointer;
  box-shadow:0 8px 22px rgba(20,24,35,.05);
  transition:transform .18s ease,border-color .18s ease,background .18s ease,box-shadow .18s ease
}
.header-control:hover{
  transform:translateY(-2px);
  border-color:color-mix(in srgb,var(--primary) 35%,var(--line));
  background:color-mix(in srgb,var(--primary) 6%,var(--surface));
  box-shadow:0 12px 26px rgba(20,24,35,.09)
}
.header-control:active{transform:translateY(0) scale(.98)}
.header-control:focus-visible{outline:3px solid color-mix(in srgb,var(--primary) 22%,transparent);outline-offset:2px}
.control-icon{width:18px;height:18px;display:grid;place-items:center}
.control-icon svg,.theme-thumb svg{
  width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round
}
.control-label{font-size:12px;font-weight:850;white-space:nowrap}
.theme-control{padding:0 11px 0 8px}
.theme-track{
  width:38px;height:24px;border-radius:999px;
  background:color-mix(in srgb,var(--text) 10%,var(--surface-soft));
  border:1px solid var(--line);
  padding:2px;
  display:block;
  transition:background .2s ease
}
.theme-thumb{
  width:18px;height:18px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--surface);
  color:var(--amber);
  box-shadow:0 3px 10px rgba(0,0,0,.18);
  transition:transform .24s cubic-bezier(.2,.8,.2,1),color .2s ease
}
.theme-thumb svg{width:12px;height:12px;grid-area:1/1}
.moon-icon{opacity:0;transform:scale(.65);transition:.2s}
.sun-icon{opacity:1;transform:scale(1);transition:.2s}
[data-theme="dark"] .theme-track{background:color-mix(in srgb,var(--primary) 32%,var(--surface-soft))}
[data-theme="dark"] .theme-thumb{transform:translateX(14px);color:#a78bfa}
[data-theme="dark"] .sun-icon{opacity:0;transform:scale(.65)}
[data-theme="dark"] .moon-icon{opacity:1;transform:scale(1)}
.header-control::after{
  content:attr(data-tooltip);
  position:absolute;
  top:calc(100% + 9px);
  left:50%;
  transform:translate(-50%,-4px);
  opacity:0;
  pointer-events:none;
  color:#fff;
  background:#111827;
  padding:6px 8px;
  border-radius:8px;
  font-size:10px;
  font-weight:800;
  white-space:nowrap;
  transition:.16s ease
}
.header-control:hover::after{opacity:1;transform:translate(-50%,0)}
.share-control.copied{
  color:var(--green);
  border-color:color-mix(in srgb,var(--green) 40%,var(--line));
  background:color-mix(in srgb,var(--green) 9%,var(--surface))
}
@media(max-width:680px){
  .header-actions{gap:7px}
  .header-control{width:40px;height:40px;padding:0;border-radius:13px}
  .header-control .control-label,.theme-track{display:none}
  .theme-control{width:40px}
  .theme-control:before{
    content:"";
    width:18px;height:18px;
    background:center/contain no-repeat;
  }
  [data-theme="dark"] .theme-control:before{
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a78bfa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 15.2A8 8 0 0 1 8.8 4 8.5 8.5 0 1 0 20 15.2Z'/%3E%3C/svg%3E")
  }
  [data-theme="light"] .theme-control:before{
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f59e0b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='4'/%3E%3Cpath d='M12 2v2m0 16v2M4.93 4.93l1.42 1.42m11.3 11.3 1.42 1.42M2 12h2m16 0h2M4.93 19.07l1.42-1.42m11.3-11.3 1.42-1.42'/%3E%3C/svg%3E")
  }
}


/* V4.2 Result action buttons */
.result-actions{
  display:flex;
  gap:8px;
}
.result-actions button{
  width:auto;
  min-width:86px;
  height:38px;
  padding:0 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--surface);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  font-size:12px;
  font-weight:800;
  transition:.18s ease;
}
.result-actions button:hover{
  transform:translateY(-2px);
}
.result-actions .copy-one:hover{
  color:var(--cyan);
  border-color:color-mix(in srgb,var(--cyan) 45%,var(--line));
  background:color-mix(in srgb,var(--cyan) 8%,var(--surface));
}
.result-actions .save-one:hover{
  color:var(--red);
  border-color:color-mix(in srgb,var(--red) 45%,var(--line));
  background:color-mix(in srgb,var(--red) 8%,var(--surface));
}
@media(max-width:680px){
  .result{
    grid-template-columns:1fr;
  }
  .result-actions{
    width:100%;
  }
  .result-actions button{
    flex:1;
  }
}