/* Daily challenges page — builds on styles.css tokens */

.ch-wrap{
  min-height:100vh;background:var(--hero-grad-light);
  padding:76px 20px 60px;
}
.ch-head{max-width:820px;margin:0 auto 26px;text-align:center}
.ch-head h1{
  font-family:var(--font-display);font-weight:600;letter-spacing:-.02em;color:var(--ink);
  font-size:clamp(2rem,5vw,2.8rem);line-height:1.05;margin:0 0 14px;
}
.ch-head-link{color:inherit;text-decoration:none;transition:opacity .15s}
.ch-head-link:hover{opacity:.75}
.ch-head h1 .accent{
  font-style:italic;font-weight:600;color:var(--ink);
  background:linear-gradient(120deg,var(--ink) 0%,var(--ink-2) 60%,var(--coral) 130%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  display:inline-block;line-height:1.25;
}
.ch-sub{color:var(--body);font-size:1.02rem;line-height:1.55;max-width:70ch;margin:0 auto 10px}
.ch-sub:last-of-type{margin-bottom:0}

.ch-all-link{
  display:inline-block;margin-top:6px;font-family:var(--font-body);font-weight:600;
  font-size:.92rem;color:var(--ink-2);text-decoration:none;
  border-bottom:1.5px solid rgba(90,46,124,.25);transition:opacity .15s;
}
.ch-all-link:hover{opacity:.7}

.ch-head-cta{
  display:flex;flex-direction:column;align-items:center;
  margin:22px auto 0;max-width:600px;
}
.ch-head-cta .signup{flex:none;margin:0 auto}
.ch-head-cta .mc-success{margin:0 auto}

.ch-prelaunch{color:var(--muted);font-size:1rem;text-align:center;margin:8px auto 0}

#ch-list{max-width:660px;margin:0 auto;display:flex;flex-direction:column;gap:22px}

/* ---- released challenge card ---- */
.ch-card{
  background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-sm);
  padding:40px 44px;
}
.ch-meta{display:flex;flex-direction:column;align-items:center;gap:10px;margin-bottom:22px}
.ch-badge{
  font-family:var(--font-body);font-weight:700;font-size:.85rem;color:var(--ink);
  background:var(--lav);letter-spacing:.08em;text-transform:uppercase;
  padding:10px 26px;border-radius:100px;white-space:nowrap;
}
.ch-date{font-size:.85rem;font-weight:600;letter-spacing:.02em;color:var(--muted);text-transform:uppercase}

.ch-title{
  font-family:var(--font-display);font-weight:700;color:var(--ink);text-align:center;
  font-size:clamp(1.8rem,4vw,2.4rem);line-height:1.15;margin:0 0 26px;
}
.ch-text{color:var(--body);font-family:var(--font-body);font-weight:400;font-size:1.15rem;line-height:1.7}
.ch-text p{margin:0 0 26px}
.ch-text p:last-child{margin-bottom:0}
.ch-text b{font-weight:700;color:var(--ink)}

.ch-task-box{
  background:rgba(255,240,208,.5);border-radius:var(--r-lg);
  padding:36px 40px;margin-top:32px;
}
.ch-task-label{
  font-family:var(--font-body);font-weight:700;font-size:1.2rem;
  color:var(--ink);margin:0 0 18px;
}
.ch-task{font-family:var(--font-body);font-weight:400;font-size:1.15rem;color:var(--ink);line-height:1.7;margin:0 0 22px}
.ch-task b{font-weight:700}
.ch-task a,.ch-text a{color:var(--orange-ink);text-decoration:underline}
.ch-ex-label{font-family:var(--font-body);font-weight:700;font-size:1rem;color:var(--ink);margin:20px 0 10px}
.ch-examples{margin:0;padding-left:22px;color:var(--body);font-family:var(--font-body);font-size:1.05rem;line-height:1.7}
.ch-examples li{margin-bottom:8px}
.ch-examples li:last-child{margin-bottom:0}

.ch-complete-q{font-family:var(--font-body);font-size:1.1rem;font-weight:700;color:var(--ink);margin:28px 0 16px;text-align:center}
.ch-btn{font-size:1rem;display:table;margin:0 auto}

/* ---- prev/next pagination ---- */
.ch-nav{display:flex;justify-content:space-between;gap:14px;margin-top:26px}
.ch-nav-btn{font-size:.95rem;padding:14px 26px}
.ch-nav-btn:disabled{opacity:.35;pointer-events:none;transform:none}

/* ---- master index list ---- */
#ch-idx-list{max-width:820px;margin:0 auto}
.ch-idx-wrap{background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-sm);overflow:hidden}
.ch-idx-row{
  display:flex;align-items:center;gap:16px;padding:18px 28px;
  border-bottom:1px solid var(--line);text-decoration:none;color:inherit;
  transition:background .15s;
}
.ch-idx-row:last-child{border-bottom:none}
a.ch-idx-row:hover{background:var(--lav)}
.ch-idx-day{
  font-family:var(--font-body);font-weight:700;font-size:.78rem;color:var(--ink);
  background:var(--lav);letter-spacing:.06em;text-transform:uppercase;
  padding:7px 14px;border-radius:100px;white-space:nowrap;flex:none;
}
.ch-idx-title{
  font-family:var(--font-display);font-weight:600;font-size:1.08rem;color:var(--ink);
  flex:1;line-height:1.3;
}
.ch-idx-arrow{color:var(--muted);flex:none;font-size:1.1rem}
.ch-idx-row.ch-idx-locked{cursor:default}
.ch-idx-locked .ch-idx-day{background:rgba(60,20,84,.06);color:var(--muted)}
.ch-idx-locked .ch-idx-title{font-family:var(--font-body);font-style:italic;font-weight:400;color:var(--muted)}

/* ---- bottom subscribe CTA ---- */
.ch-subscribe{
  max-width:820px;margin:50px auto 0;text-align:center;
  background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-sm);
  padding:48px 44px;
}
.ch-subscribe-title{
  font-family:var(--font-display);font-weight:700;color:var(--ink);
  font-size:clamp(1.4rem,3vw,1.7rem);line-height:1.15;margin:0 0 10px;
}
.ch-subscribe .ch-sub{margin:0 auto}

/* ---- footer ---- */
.ch-foot{max-width:820px;margin:44px auto 0;text-align:center;color:var(--muted)}
.ch-mc{display:inline-block;opacity:.85;margin-bottom:12px}
.ch-mc:hover{opacity:1}
.ch-mc img{width:150px;height:auto}
.ch-foot p{font-size:.85rem;margin:0 auto}

@media(max-width:620px){
  .ch-card{padding:28px 22px}
  .ch-subscribe{padding:34px 22px}
  .ch-head-cta .signup{max-width:none;width:100%}
  .ch-task-box{padding:26px 22px}
  .ch-idx-row{padding:16px 18px;gap:12px}
  .ch-idx-title{font-size:1rem}
}