:root{color-scheme:dark;--bg:#07100c;--panel:#0d1712;--panel2:#111e17;--line:rgba(255,255,255,.09);--text:#f3f7f4;--muted:#89988f;--accent:#9dff62;--accent2:#65db58;--safe-bottom:env(safe-area-inset-bottom,0px)}
*{box-sizing:border-box}
html{background:var(--bg)}
body{margin:0;background:radial-gradient(circle at 86% -4%,rgba(113,255,107,.12),transparent 30rem),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",sans-serif;min-height:100vh}
a{color:inherit;text-decoration:none}
button,a{-webkit-tap-highlight-color:transparent}
button{font:inherit}
.challenge30-shell{width:min(760px,100%);margin:0 auto;padding:calc(18px + env(safe-area-inset-top,0px)) 18px calc(108px + var(--safe-bottom))}
.challenge30-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:28px}
.challenge30-brand{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:850;letter-spacing:-.02em}
.challenge30-brand img{object-fit:contain}
.challenge30-brand b{color:var(--accent)}
.challenge30-brand span span{font-weight:650;color:#819087}
.challenge30-back{padding:9px 12px;border:1px solid var(--line);border-radius:999px;color:#aab6ae;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.challenge30-hero{padding:10px 2px 24px}
.challenge30-kicker{display:flex;align-items:center;gap:9px;color:#9cad9f;font-size:10px;font-weight:900;letter-spacing:.15em}
.challenge30-kicker span{display:inline-grid;place-items:center;height:25px;padding:0 8px;border-radius:8px;background:var(--accent);color:#07100c;letter-spacing:.05em}
.challenge30-hero h1{margin:13px 0 13px;font-size:clamp(42px,10vw,72px);line-height:.91;letter-spacing:-.065em;font-weight:900}
.challenge30-hero p{max-width:610px;margin:0;color:#aab5ae;font-size:15px;line-height:1.55}
.challenge30-focus-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:15px}
.challenge30-focus-tags span{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border:1px solid rgba(157,255,98,.2);border-radius:999px;background:rgba(157,255,98,.055);color:#dfffd1;font-size:8px;font-weight:950;letter-spacing:.12em}
.challenge30-hero-actions{display:flex;gap:10px;margin-top:22px}
.challenge30-hero-actions button,.challenge30-hero-actions a{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:54px;padding:0 18px;border:0;border-radius:16px;background:var(--accent);color:#07100c;font-size:12px;font-weight:950;letter-spacing:.09em;cursor:pointer}
.challenge30-hero-actions a[hidden],.challenge30-hero-actions button[hidden]{display:none!important}
.challenge30-trial-cta{display:inline-flex;align-items:center;gap:8px;margin-top:13px;color:#d8e8dc;font-size:13px;font-weight:800;text-decoration:none}
.challenge30-trial-cta b{color:var(--accent)}
.challenge30-trial-cta:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:6px}
.challenge30-library{margin:4px 0 16px;padding:18px;border:1px solid var(--line);border-radius:26px;background:rgba(255,255,255,.022)}
.challenge30-library-head{margin:0 0 12px}
.challenge30-library-head h2{font-size:24px}
.challenge30-selection{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;padding:13px 14px;margin-bottom:12px;border:1px solid rgba(157,255,98,.16);border-radius:18px;background:rgba(157,255,98,.045)}
.challenge30-selection>div{display:flex;flex-direction:column;gap:3px}
.challenge30-selection small{color:var(--accent);font-size:7px;font-weight:950;letter-spacing:.15em}
.challenge30-selection strong{font-size:16px;letter-spacing:-.025em}
.challenge30-selection p{max-width:58%;margin:0;color:#89978e;font-size:10px;line-height:1.35;text-align:right}
.challenge30-picker{display:flex;gap:9px;overflow-x:auto;padding:1px 1px 8px;scroll-snap-type:x proximity;scrollbar-width:none}
.challenge30-picker::-webkit-scrollbar{display:none}
.challenge30-track{flex:0 0 184px;min-height:132px;padding:14px;border:1px solid var(--line);border-radius:19px;background:#0b1510;color:var(--text);text-align:left;cursor:pointer;scroll-snap-align:start;transition:border-color .18s ease,background .18s ease,transform .18s ease}
.challenge30-track:active{transform:scale(.985)}
.challenge30-track[data-selected="1"]{border-color:rgba(157,255,98,.52);background:linear-gradient(150deg,rgba(157,255,98,.11),rgba(255,255,255,.025));box-shadow:inset 0 0 0 1px rgba(157,255,98,.04)}
.challenge30-track-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.challenge30-track-top small{color:#748279;font-size:7px;font-weight:950;letter-spacing:.13em}
.challenge30-track[data-selected="1"] .challenge30-track-top small{color:var(--accent)}
.challenge30-track-top b{min-height:18px;color:#aab7ae;font-size:8px;font-weight:900}
.challenge30-track>strong{display:block;margin-top:18px;font-size:17px;line-height:1.05;letter-spacing:-.035em}
.challenge30-track>span:not(.challenge30-track-top){display:block;margin-top:6px;color:#8b9990;font-size:9px;line-height:1.35}
.challenge30-track>em{display:block;margin-top:11px;color:#c5d0c9;font-size:8px;font-style:normal;font-weight:850;letter-spacing:.06em}
.challenge30-picker-note{margin:4px 2px 0;color:#728078;font-size:9px;line-height:1.45}
.challenge30-dashboard{display:grid;grid-template-columns:132px 1fr;gap:20px;align-items:center;padding:20px;border:1px solid var(--line);border-radius:28px;background:linear-gradient(145deg,rgba(255,255,255,.055),rgba(255,255,255,.018));box-shadow:0 20px 60px rgba(0,0,0,.22)}
.challenge30-ring{width:122px;height:122px;border-radius:50%;padding:8px;background:conic-gradient(var(--accent) calc(var(--progress)*1%),rgba(255,255,255,.07) 0)}
.challenge30-ring>span{display:flex;width:100%;height:100%;border-radius:50%;background:#0a120e;align-items:center;justify-content:center;flex-direction:column}
.challenge30-ring strong{font-size:28px;letter-spacing:-.05em}
.challenge30-ring small{margin-top:2px;color:#7e8c83;font-size:7px;font-weight:900;letter-spacing:.16em}
.challenge30-now>small,.challenge30-today>div>small,.challenge30-section-head small{color:var(--accent);font-size:8px;font-weight:950;letter-spacing:.16em}
.challenge30-now h2{margin:5px 0 4px;font-size:24px;line-height:1.05;letter-spacing:-.035em}
.challenge30-now>p{margin:0;color:#8f9d94;font-size:12px}
.challenge30-stats{display:flex;gap:18px;margin-top:16px}
.challenge30-stats span{display:flex;flex-direction:column}
.challenge30-stats strong{font-size:14px}
.challenge30-stats small{margin-top:2px;color:#738078;font-size:7px;font-weight:900;letter-spacing:.12em}
.challenge30-today{margin-top:14px;padding:22px;border:1px solid rgba(157,255,98,.14);border-radius:28px;background:linear-gradient(155deg,rgba(109,255,99,.08),rgba(255,255,255,.018))}
.challenge30-today h2{margin:7px 0 7px;font-size:28px;letter-spacing:-.04em}
.challenge30-today p{margin:0;color:#9aa79f;font-size:13px;line-height:1.45}
.challenge30-today>a,.challenge30-today>button{width:100%;min-height:52px;margin-top:18px;border-radius:15px;font-size:11px;font-weight:950;letter-spacing:.1em}
.challenge30-today>a{display:flex;align-items:center;justify-content:center;gap:8px;background:#edf5ef;color:#07100c}
.challenge30-today>button{border:1px solid rgba(157,255,98,.22);background:rgba(157,255,98,.08);color:#dfffd0;cursor:pointer}
.challenge30-today>button:disabled{opacity:.42;cursor:default}
.challenge30-today .challenge30-complete-note{margin-top:10px;text-align:center;font-size:10px;color:#758279}
.challenge30-roadmap{margin-top:30px}
.challenge30-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:0 2px 12px}
.challenge30-section-head h2{margin:4px 0 0;font-size:27px;letter-spacing:-.04em}
.challenge30-section-head>span{color:#7f8d84;font-size:10px;font-weight:800}
.challenge30-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.challenge30-day{position:relative;min-height:74px;padding:11px 9px;border:1px solid var(--line);border-radius:17px;background:#0c1510;overflow:hidden}
.challenge30-day strong{display:block;font-size:14px}
.challenge30-day small{display:block;margin-top:12px;color:#65736a;font-size:7px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.challenge30-day[data-state="current"]{border-color:rgba(157,255,98,.48);background:linear-gradient(150deg,rgba(157,255,98,.15),rgba(255,255,255,.025));box-shadow:inset 0 0 0 1px rgba(157,255,98,.05)}
.challenge30-day[data-state="current"] strong{color:#eaffde}
.challenge30-day[data-state="current"] small{color:var(--accent)}
.challenge30-day[data-state="done"]{background:#111c16}
.challenge30-day[data-state="done"]::after{content:"✓";position:absolute;right:9px;top:8px;color:var(--accent);font-size:10px;font-weight:950}
.challenge30-day[data-state="done"] small{color:#829086}
.challenge30-day[data-state="locked"]{opacity:.46}
.challenge30-rules{display:flex;gap:13px;margin-top:18px;padding:17px 18px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.018)}
.challenge30-rules>span{display:grid;place-items:center;flex:0 0 34px;height:34px;border-radius:50%;background:rgba(157,255,98,.1);color:var(--accent)}
.challenge30-rules strong{font-size:12px}
.challenge30-rules p{margin:4px 0 0;color:#839087;font-size:11px;line-height:1.45}
.challenge30-bottom{position:fixed;z-index:30;left:50%;bottom:0;transform:translateX(-50%);display:grid;grid-template-columns:repeat(5,1fr);width:min(760px,100%);padding:9px 10px calc(8px + var(--safe-bottom));border-top:1px solid rgba(255,255,255,.07);background:rgba(7,16,12,.93);backdrop-filter:blur(18px)}
.challenge30-bottom a{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:3px;color:#718077;min-height:45px}
.challenge30-bottom a:first-child{color:#dce8df}
.challenge30-bottom a span{font-size:16px}
.challenge30-bottom a small{font-size:8px;font-weight:800}
@media(max-width:560px){
 .challenge30-shell{padding-left:15px;padding-right:15px}
 .challenge30-dashboard{grid-template-columns:105px 1fr;padding:17px}
 .challenge30-ring{width:98px;height:98px}
 .challenge30-ring strong{font-size:22px}
 .challenge30-now h2{font-size:20px}
 .challenge30-stats{gap:12px}
 .challenge30-selection{align-items:flex-start;flex-direction:column;gap:6px}
 .challenge30-selection p{max-width:none;text-align:left}
 .challenge30-track{flex-basis:166px;min-height:126px}
 .challenge30-grid{grid-template-columns:repeat(5,1fr);gap:6px}
 .challenge30-day{min-height:68px;padding:9px 7px;border-radius:14px}
 .challenge30-day small{font-size:6px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}


/* V1.3 — Premium Challenge layer: stronger hierarchy, depth and motion.
   Brand stays AI4 green; no training logic or prescription changes. */
.challenge30-shell{position:relative}
.challenge30-shell:before{
  content:"";position:fixed;z-index:-1;left:50%;top:-180px;width:min(880px,120vw);height:520px;
  transform:translateX(-50%);pointer-events:none;
  background:
    radial-gradient(circle at 28% 28%,rgba(157,255,98,.12),transparent 28%),
    radial-gradient(circle at 76% 20%,rgba(101,219,88,.075),transparent 24%);
  filter:blur(8px)
}
.challenge30-top{margin-bottom:34px}
.challenge30-back{background:rgba(255,255,255,.025);backdrop-filter:blur(14px)}
.challenge30-hero{position:relative;padding:12px 2px 30px;overflow:hidden}
.challenge30-hero:after{
  content:"";position:absolute;right:-34px;top:-26px;width:190px;height:190px;border-radius:50%;
  background:radial-gradient(circle,rgba(157,255,98,.11),rgba(157,255,98,0) 68%);
  pointer-events:none
}
.challenge30-hero h1{
  max-width:700px;margin-top:15px;
  text-wrap:balance;text-shadow:0 10px 40px rgba(0,0,0,.28)
}
.challenge30-hero p{font-size:16px;line-height:1.58;color:#b1bdb5}
.challenge30-focus-tags{gap:8px;margin-top:18px}
.challenge30-focus-tags span{
  min-height:30px;padding:0 11px;border-color:rgba(157,255,98,.17);
  background:linear-gradient(180deg,rgba(157,255,98,.08),rgba(157,255,98,.025));
  box-shadow:inset 0 1px rgba(255,255,255,.035)
}
.challenge30-hero-actions{margin-top:24px}
.challenge30-hero-actions button,.challenge30-hero-actions a{
  position:relative;min-height:58px;padding:0 22px;border-radius:18px;overflow:hidden;
  box-shadow:0 12px 34px rgba(91,210,70,.16),inset 0 1px rgba(255,255,255,.32);
  transition:transform .18s ease,box-shadow .18s ease
}
.challenge30-hero-actions button:active,.challenge30-hero-actions a:active{transform:scale(.975);box-shadow:0 6px 18px rgba(91,210,70,.12)}
.challenge30-hero-actions button:after,.challenge30-hero-actions a:after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(105deg,transparent 25%,rgba(255,255,255,.28) 47%,transparent 69%);
  transform:translateX(-125%);animation:challenge30CtaSweep 5.8s ease-in-out infinite
}
@keyframes challenge30CtaSweep{0%,68%{transform:translateX(-125%)}82%,100%{transform:translateX(125%)}}

.challenge30-library{
  position:relative;padding:20px;border-color:rgba(255,255,255,.095);overflow:hidden;
  background:
    radial-gradient(circle at 90% 0,rgba(157,255,98,.075),transparent 240px),
    linear-gradient(155deg,rgba(255,255,255,.04),rgba(255,255,255,.014));
  box-shadow:0 24px 70px rgba(0,0,0,.18),inset 0 1px rgba(255,255,255,.025)
}
.challenge30-library:before{
  content:"CHOOSE YOUR 30";position:absolute;right:16px;top:15px;color:rgba(255,255,255,.025);
  font-size:34px;font-weight:950;letter-spacing:-.055em;pointer-events:none
}
.challenge30-selection{
  position:relative;z-index:1;padding:15px 16px;border-color:rgba(157,255,98,.25);
  background:linear-gradient(135deg,rgba(157,255,98,.095),rgba(157,255,98,.025));
  box-shadow:inset 0 1px rgba(255,255,255,.035)
}
.challenge30-selection:after{
  content:"AKTIV";align-self:flex-start;flex:0 0 auto;padding:5px 7px;border-radius:999px;
  background:var(--accent);color:#07100c;font-size:6px;font-weight:950;letter-spacing:.14em
}
.challenge30-selection p{margin-left:auto}
.challenge30-picker{gap:10px;padding:2px 2px 10px;margin:0 -2px}
.challenge30-track{
  position:relative;isolation:isolate;flex-basis:190px;min-height:142px;padding:15px;overflow:hidden;
  border-color:rgba(255,255,255,.085);
  background:linear-gradient(155deg,#101b15,#09120e);
  box-shadow:0 12px 30px rgba(0,0,0,.14),inset 0 1px rgba(255,255,255,.025)
}
.challenge30-track:before{
  content:attr(data-order);position:absolute;z-index:-1;right:8px;bottom:-14px;
  color:rgba(255,255,255,.028);font-size:72px;font-weight:950;letter-spacing:-.08em;line-height:1
}
.challenge30-track[data-selected="1"]{
  border-color:rgba(157,255,98,.68);
  background:
    radial-gradient(circle at 100% 0,rgba(157,255,98,.16),transparent 110px),
    linear-gradient(150deg,rgba(157,255,98,.115),rgba(255,255,255,.025));
  box-shadow:0 16px 42px rgba(42,112,38,.16),inset 0 0 0 1px rgba(157,255,98,.07),inset 0 1px rgba(255,255,255,.055)
}
.challenge30-track[data-selected="1"]:after{
  content:"✓";position:absolute;right:13px;top:38px;display:grid;place-items:center;width:21px;height:21px;
  border-radius:50%;background:var(--accent);color:#07100c;font-size:10px;font-weight:950;
  box-shadow:0 5px 18px rgba(157,255,98,.18)
}
.challenge30-track>strong{position:relative;z-index:1;margin-top:20px;font-size:18px}
.challenge30-track[data-selected="1"]>strong{padding-right:28px}
.challenge30-track>span:not(.challenge30-track-top),.challenge30-track>em{position:relative;z-index:1}
.challenge30-track>em{color:#d6e0da}
.challenge30-picker-note{margin-top:5px}

.challenge30-dashboard{
  position:relative;overflow:hidden;border-color:rgba(255,255,255,.105);
  background:
    radial-gradient(circle at 4% 0,rgba(157,255,98,.09),transparent 220px),
    linear-gradient(145deg,rgba(255,255,255,.065),rgba(255,255,255,.017));
  box-shadow:0 28px 70px rgba(0,0,0,.25),inset 0 1px rgba(255,255,255,.035)
}
.challenge30-dashboard:after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:210px;height:210px;border-radius:50%;
  border:1px solid rgba(157,255,98,.055);box-shadow:0 0 0 28px rgba(157,255,98,.018),0 0 0 56px rgba(157,255,98,.01);pointer-events:none
}
.challenge30-ring{
  position:relative;z-index:1;
  box-shadow:0 0 0 1px rgba(157,255,98,.08),0 0 38px rgba(157,255,98,.08)
}
.challenge30-ring>span{box-shadow:inset 0 0 30px rgba(157,255,98,.025)}
.challenge30-ring strong{font-size:30px}
.challenge30-now{position:relative;z-index:1}
.challenge30-now h2{font-size:26px}
.challenge30-stats strong{font-size:16px}

.challenge30-today{
  position:relative;overflow:hidden;padding:24px;border-color:rgba(157,255,98,.22);
  background:
    radial-gradient(circle at 94% 4%,rgba(157,255,98,.12),transparent 210px),
    linear-gradient(155deg,rgba(109,255,99,.09),rgba(255,255,255,.018));
  box-shadow:0 22px 60px rgba(0,0,0,.18),inset 0 1px rgba(255,255,255,.035)
}
.challenge30-today:before{
  content:"TODAY";position:absolute;right:17px;top:12px;color:rgba(157,255,98,.07);
  font-size:44px;font-weight:950;letter-spacing:-.06em;pointer-events:none
}
.challenge30-today>div,.challenge30-today>a,.challenge30-today>button,.challenge30-today>p{position:relative;z-index:1}
.challenge30-today h2{max-width:82%;font-size:30px;line-height:1}
.challenge30-today>a{
  min-height:56px;border:1px solid rgba(255,255,255,.2);
  background:linear-gradient(180deg,#f5fbf6,#e8f2eb);
  box-shadow:0 12px 30px rgba(0,0,0,.16),inset 0 1px #fff;
  transition:transform .18s ease,box-shadow .18s ease
}
.challenge30-today>a:active{transform:scale(.985);box-shadow:0 7px 18px rgba(0,0,0,.13)}
.challenge30-today>button:not(:disabled){
  border-color:rgba(157,255,98,.34);background:rgba(157,255,98,.105);
  box-shadow:inset 0 1px rgba(255,255,255,.025)
}

.challenge30-roadmap{margin-top:34px}
.challenge30-grid{gap:9px}
.challenge30-day{
  border-color:rgba(255,255,255,.075);background:linear-gradient(155deg,#0f1913,#09120e);
  box-shadow:inset 0 1px rgba(255,255,255,.018)
}
.challenge30-day[data-state="current"]{
  transform:translateY(-2px);border-color:rgba(157,255,98,.7);
  background:
    radial-gradient(circle at 100% 0,rgba(157,255,98,.17),transparent 55px),
    linear-gradient(150deg,rgba(157,255,98,.15),rgba(255,255,255,.025));
  box-shadow:0 10px 24px rgba(55,135,45,.13),inset 0 0 0 1px rgba(157,255,98,.08)
}
.challenge30-day[data-state="current"]:after{
  content:"NÅ";position:absolute;right:7px;top:7px;padding:3px 5px;border-radius:999px;
  background:var(--accent);color:#07100c;font-size:5px;font-weight:950;letter-spacing:.08em
}
.challenge30-day[data-state="done"]{background:linear-gradient(155deg,#132019,#0d1712)}
.challenge30-rules{background:linear-gradient(150deg,rgba(255,255,255,.025),rgba(255,255,255,.012))}
.challenge30-bottom{
  border-top-color:rgba(255,255,255,.085);
  background:linear-gradient(180deg,rgba(8,18,13,.88),rgba(5,12,9,.97));
  box-shadow:0 -18px 45px rgba(0,0,0,.22)
}
.challenge30-bottom a:first-child span{color:var(--accent);text-shadow:0 0 18px rgba(157,255,98,.22)}


.challenge30-track:focus-visible,
.challenge30-hero-actions button:focus-visible,.challenge30-hero-actions a:focus-visible,
.challenge30-today>a:focus-visible,.challenge30-today>button:focus-visible,.challenge30-back:focus-visible{
  outline:2px solid var(--accent);outline-offset:3px
}
@media(hover:hover){
  .challenge30-track:hover{transform:translateY(-2px);border-color:rgba(255,255,255,.16)}
  .challenge30-track[data-selected="1"]:hover{border-color:rgba(157,255,98,.78)}
  .challenge30-hero-actions button:hover,.challenge30-hero-actions a:hover{transform:translateY(-1px);box-shadow:0 16px 38px rgba(91,210,70,.2),inset 0 1px rgba(255,255,255,.32)}
  .challenge30-today>a:hover{transform:translateY(-1px);box-shadow:0 16px 34px rgba(0,0,0,.18),inset 0 1px #fff}
}

@media(max-width:560px){
  .challenge30-hero{padding-bottom:26px}
  .challenge30-hero h1{font-size:clamp(43px,13vw,58px);line-height:.9}
  .challenge30-hero p{font-size:14px}
  .challenge30-focus-tags{display:grid;grid-template-columns:repeat(2,max-content);gap:7px}
  .challenge30-library{padding:17px 15px;border-radius:24px}
  .challenge30-library:before{font-size:28px;right:12px}
  .challenge30-selection{padding:13px 14px}
  .challenge30-selection:after{position:absolute;right:12px;top:12px}
  .challenge30-selection p{padding-right:44px}
  .challenge30-track{flex-basis:174px;min-height:136px}
  .challenge30-dashboard{grid-template-columns:101px 1fr;gap:16px}
  .challenge30-ring{width:96px;height:96px}
  .challenge30-ring strong{font-size:23px}
  .challenge30-now h2{font-size:21px}
  .challenge30-stats{gap:11px}
  .challenge30-stats strong{font-size:14px}
  .challenge30-today{padding:21px 18px}
  .challenge30-today h2{font-size:28px}
  .challenge30-grid{gap:6px}
}
@media(prefers-reduced-motion:reduce){
  .challenge30-hero-actions button:after,.challenge30-hero-actions a:after{animation:none!important}
}


/* V1.4 — Completion celebration. Non-blocking, accessible and milestone-aware. */
.challenge30-celebration{
  position:fixed;z-index:45;left:50%;bottom:calc(76px + var(--safe-bottom));width:min(520px,calc(100% - 28px));
  transform:translateX(-50%);display:grid;grid-template-columns:48px 1fr 34px;align-items:center;gap:13px;
  padding:14px 13px 14px 14px;border:1px solid rgba(157,255,98,.34);border-radius:22px;
  background:
    radial-gradient(circle at 5% 0,rgba(157,255,98,.2),transparent 120px),
    linear-gradient(145deg,rgba(19,34,25,.98),rgba(7,16,12,.985));
  box-shadow:0 24px 70px rgba(0,0,0,.44),0 0 0 1px rgba(157,255,98,.035),inset 0 1px rgba(255,255,255,.06);
  backdrop-filter:blur(22px);animation:challenge30CelebrateIn .38s cubic-bezier(.2,.8,.2,1) both
}
.challenge30-celebration[hidden]{display:none!important}
.challenge30-celebration:before{
  content:"";position:absolute;inset:-1px;border-radius:inherit;pointer-events:none;
  background:linear-gradient(110deg,transparent 22%,rgba(157,255,98,.13) 48%,transparent 74%);
  background-size:220% 100%;animation:challenge30CelebrateSweep 2.8s ease-out 1
}
.challenge30-celebration-mark{
  display:grid;place-items:center;width:48px;height:48px;border-radius:16px;background:var(--accent);color:#07100c;
  font-size:22px;font-weight:950;box-shadow:0 10px 28px rgba(157,255,98,.18)
}
.challenge30-celebration-copy{position:relative;z-index:1;display:flex;min-width:0;flex-direction:column;gap:2px}
.challenge30-celebration-copy small{color:var(--accent);font-size:7px;font-weight:950;letter-spacing:.15em}
.challenge30-celebration-copy strong{font-size:18px;line-height:1.1;letter-spacing:-.035em}
.challenge30-celebration-copy span{margin-top:2px;color:#9eaca3;font-size:10px;line-height:1.35}
.challenge30-celebration>button{
  position:relative;z-index:1;display:grid;place-items:center;width:32px;height:32px;padding:0;border:1px solid rgba(255,255,255,.09);
  border-radius:50%;background:rgba(255,255,255,.035);color:#94a299;font-size:19px;line-height:1;cursor:pointer
}
.challenge30-celebration>button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.challenge30-celebration[data-level="milestone"]{
  border-color:rgba(157,255,98,.56);
  box-shadow:0 26px 76px rgba(0,0,0,.48),0 0 42px rgba(157,255,98,.075),inset 0 1px rgba(255,255,255,.07)
}
.challenge30-celebration[data-level="milestone"] .challenge30-celebration-mark{transform:rotate(-4deg) scale(1.04)}
.challenge30-celebration[data-level="finale"]{
  grid-template-columns:58px 1fr 34px;padding:17px 14px 17px 16px;border-color:rgba(157,255,98,.72);
  background:
    radial-gradient(circle at 8% 10%,rgba(157,255,98,.27),transparent 150px),
    radial-gradient(circle at 86% 0,rgba(255,255,255,.07),transparent 160px),
    linear-gradient(145deg,rgba(22,40,28,.99),rgba(5,13,9,.99));
  box-shadow:0 30px 90px rgba(0,0,0,.52),0 0 60px rgba(157,255,98,.11),inset 0 1px rgba(255,255,255,.08)
}
.challenge30-celebration[data-level="finale"] .challenge30-celebration-mark{width:58px;height:58px;border-radius:19px;font-size:27px}
.challenge30-celebration[data-level="finale"] .challenge30-celebration-copy strong{font-size:21px}
@keyframes challenge30CelebrateIn{
  from{opacity:0;transform:translate(-50%,18px) scale(.97)}
  to{opacity:1;transform:translate(-50%,0) scale(1)}
}
@keyframes challenge30CelebrateSweep{
  from{background-position:180% 0}
  to{background-position:-80% 0}
}
@media(max-width:390px){
  .challenge30-celebration{bottom:calc(72px + var(--safe-bottom));grid-template-columns:43px 1fr 30px;gap:10px;padding:12px;border-radius:19px}
  .challenge30-celebration-mark{width:43px;height:43px;border-radius:14px;font-size:19px}
  .challenge30-celebration-copy strong{font-size:16px}
  .challenge30-celebration-copy span{font-size:9px}
  .challenge30-celebration[data-level="finale"]{grid-template-columns:49px 1fr 30px;padding:14px 12px}
  .challenge30-celebration[data-level="finale"] .challenge30-celebration-mark{width:49px;height:49px;border-radius:16px;font-size:23px}
  .challenge30-celebration[data-level="finale"] .challenge30-celebration-copy strong{font-size:18px}
}
@media(prefers-reduced-motion:reduce){
  .challenge30-celebration,.challenge30-celebration:before{animation:none!important}
}


/* V1.5 sticky back + mobile hero polish */
.challenge30-top{position:sticky;top:max(0px,env(safe-area-inset-top));z-index:90;margin:0 -8px 14px;padding:8px 10px;border:1px solid rgba(183,255,0,.10);border-radius:18px;background:rgba(5,13,9,.88);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:0 12px 34px rgba(0,0,0,.22)}.challenge30-back{min-height:44px;display:inline-flex!important;align-items:center;justify-content:center;padding:0 13px!important;border:1px solid rgba(255,255,255,.10)!important;border-radius:999px!important;background:rgba(255,255,255,.035)!important;color:#eef5ef!important;font-size:11px!important;font-weight:900!important;text-decoration:none!important}.challenge30-back:focus-visible{outline:2px solid var(--accent,#b7ff00);outline-offset:3px}.challenge30-hero h1{text-wrap:balance}.challenge30-hero-actions>*{min-height:56px}@media(max-width:430px){.challenge30-shell{padding-top:max(8px,env(safe-area-inset-top))}.challenge30-top{margin-left:0;margin-right:0;border-radius:16px}.challenge30-brand>span{font-size:15px}.challenge30-back{font-size:10px!important;padding:0 11px!important}.challenge30-hero{padding-top:10px}.challenge30-hero h1{font-size:clamp(46px,14vw,64px)!important;line-height:.91!important;letter-spacing:-.065em!important}.challenge30-focus-tags{grid-template-columns:repeat(2,minmax(0,1fr))!important}.challenge30-focus-tags span{min-height:48px;display:flex;align-items:center;justify-content:center;text-align:center}.challenge30-hero-actions{gap:10px}.challenge30-trial-cta{line-height:1.35;text-align:center}}