/* ══════════════════════════════════════════════
   UP! Challenge of the Day
   Использует токены из style.css — адаптируется
   к тёмной/светлой теме автоматически.
   ══════════════════════════════════════════════ */

/* Hero */
.ch-hero {
  padding: calc(var(--nav-h) + 60px) 0 56px;
  background: var(--bg);
}
.ch-hero .tag { margin-bottom: 12px; }
.ch-hero h1 {
  font-family: var(--display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  text-transform: uppercase;
  color: var(--text);
  letter-spacing: .02em;
  line-height: 1;
}
.ch-hero-sub {
  color: var(--text2);
  font-family: var(--cond);
  font-size: 15px;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-top: 10px;
}
.ch-hero-date {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text2);
  padding: 4px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* Nav active */
.nav-active { color: var(--red) !important; }

/* ── Cards grid ── */
.ch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.ch-card {
  position: relative;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 22px;
  overflow: hidden;
  transition: border-color .18s, transform .18s;
}
.ch-card:hover { transform: translateY(-3px); }
.ch-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--tier-color, var(--border2));
}

/* tier accents */
.ch-card.tier-short  { --tier-color: var(--green);  }
.ch-card.tier-medium { --tier-color: var(--yellow); }
.ch-card.tier-long   { --tier-color: var(--red);    }
.ch-card.tier-short:hover  { border-color: var(--green);  }
.ch-card.tier-medium:hover { border-color: var(--yellow); }
.ch-card.tier-long:hover   { border-color: var(--red);    }

.ch-tier {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--cond);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--tier-color, var(--text2));
  margin-bottom: 14px;
}

.ch-route {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-size: clamp(1.4rem, 4vw, 1.8rem);
  color: var(--text);
  letter-spacing: .01em;
}
.ch-route .arrow { color: var(--tier-color, var(--red)); }

.ch-cities {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 6px;
  font-family: var(--cond);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--text2);
  text-transform: uppercase;
}
.ch-cities span:last-child { text-align: center; }

.ch-fno {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text);
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3px 10px;
}

.ch-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-family: var(--cond);
  font-size: 14px;
  letter-spacing: .03em;
  color: var(--text2);
}
.ch-meta b {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--text);
}

/* ── Leaderboard ── */
.ch-lead-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 24px;
}
.ch-month {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 8px 12px;
  cursor: pointer;
}
.ch-month::-webkit-calendar-picker-indicator { filter: invert(.6); cursor: pointer; }

.ch-lead {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.ch-lead th, .ch-lead td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.ch-lead thead th {
  font-family: var(--cond);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text2);
  background: var(--bg2);
}
.ch-lead tbody tr:last-child td { border-bottom: none; }
.ch-lead tbody tr:hover { background: var(--surface2); }
.ch-lead .rank   { width: 56px; font-family: var(--display); font-size: 18px; color: var(--text); }
.ch-lead .pilot  { font-family: var(--cond); font-size: 16px; font-weight: 600; letter-spacing: .02em; }
.ch-lead .num    { text-align: right; font-family: var(--mono); color: var(--text2); }
.ch-lead .pts    { text-align: right; font-family: var(--mono); font-weight: 600; color: var(--red); }
.ch-lead .col-r  { text-align: right; }

/* States */
.ch-empty, .ch-err {
  padding: 22px 20px;
  border-radius: var(--radius-lg);
  font-family: var(--cond);
  font-size: 15px;
  letter-spacing: .03em;
}
.ch-empty { background: var(--surface); border: 1px solid var(--border); color: var(--text2); text-align: center; }
.ch-err   { background: rgba(227,30,36,.08); border: 1px solid rgba(227,30,36,.3); color: var(--text); }

@media (max-width: 560px) {
  .ch-lead th, .ch-lead td { padding: 11px 12px; }
  .ch-lead .num { display: none; }       /* экономим место на мобиле */
}

/* ── Дедлайн-подсказка ── */
.ch-note {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-top: 22px;
  padding: 18px 20px;
  background: var(--yellow-bg);
  border: 1px solid rgba(245,158,11,.35);
  border-radius: var(--radius-lg);
  font-family: var(--cond);
  font-size: 15px;
  line-height: 1.5;
  letter-spacing: .02em;
  color: var(--text);
}
.ch-note-icon { font-size: 22px; line-height: 1.2; }
.ch-note b { color: var(--yellow); }
.ch-note u { text-decoration-color: rgba(245,158,11,.5); text-underline-offset: 2px; }

/* ── Mobile ── */
@media (max-width: 768px) {
  .ch-hero { padding: calc(var(--nav-h) + 28px) 0 36px; }
  .ch-hero-sub { font-size: 13px; }
  .ch-grid { gap: 12px; }
  .ch-card { padding: 20px 18px; }
  .ch-route { font-size: 1.5rem; }
  .ch-meta { gap: 8px 14px; font-size: 13px; }
  .ch-lead-head { align-items: stretch; }
  .ch-lead-head form { width: 100%; }
  .ch-month { width: 100%; box-sizing: border-box; }
  .ch-note { padding: 16px; font-size: 14px; gap: 10px; }
  .ch-note-icon { font-size: 19px; }
}
@media (max-width: 420px) {
  .ch-route { font-size: 1.3rem; gap: 8px; }
  .ch-cities { font-size: 11px; }
  .ch-lead .pilot { font-size: 14px; }
  .ch-lead th, .ch-lead td { padding: 10px; }
}

/* ── Вступление между героем и маршрутами ── */
.ch-intro { padding: 4px 0 10px; }
.ch-intro .wrap { max-width: 760px; }
.ch-intro-inner { text-align: center; }
.ch-intro-lead {
  font-family: var(--cond);
  font-weight: 700;
  font-size: clamp(1.15rem, 2.4vw, 1.55rem);
  letter-spacing: .02em;
  color: var(--text);
  margin: 0 0 12px;
}
.ch-intro-text {
  font-family: var(--cond);
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--text2);
  margin: 0 auto;
  max-width: 640px;
}

/* ── Атмосфера: фраза дня, подпись карточки, отсчёт ── */
.ch-daily {
  margin: 16px auto 0;
  font-family: var(--cond);
  font-size: clamp(14px, 1.7vw, 16px);
  font-style: italic;
  letter-spacing: .02em;
  color: var(--green);
  opacity: .9;
}
.ch-flavor {
  margin-top: 10px;
  font-family: var(--cond);
  font-size: 13px;
  line-height: 1.45;
  letter-spacing: .02em;
  color: var(--text2);
}
.ch-countdown {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--yellow);
  letter-spacing: .04em;
}

/* ══════ ЗОЛОТОЙ МАРШРУТ ══════ */
.tag-gold { color: #f5c451; border-color: rgba(245,196,81,.35); background: rgba(245,196,81,.08); }

.gold-card {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: 28px;
  max-width: 640px;
  margin: 0 auto;
}
.gold-active {
  border-color: rgba(245,196,81,.55);
  background: linear-gradient(180deg, rgba(245,196,81,.07), transparent 60%), var(--surface);
  box-shadow: 0 0 32px rgba(245,196,81,.10);
}
.gold-closed { opacity: .85; }

.gold-locked { text-align: center; }
.gold-lock { font-size: 40px; margin-bottom: 10px; }
.gold-locked-title {
  font-family: 'Oswald', var(--cond); font-weight: 700;
  font-size: 1.6rem; color: var(--text); text-transform: uppercase;
}
.gold-locked-sub { color: var(--text2); font-family: var(--cond); margin: 8px auto 18px; max-width: 460px; }
.gold-locked-sub a { color: #f5c451; }

.gold-prize {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
  font-family: var(--cond); color: var(--text2);
}
.gold-prize span {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 99px; padding: 7px 14px; font-size: 14px;
}
.gold-prize b { color: #f5c451; }

.gold-head {
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px; flex-wrap: wrap; margin-bottom: 16px;
}
.gold-badge {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--cond); font-size: 12px; text-transform: uppercase;
  letter-spacing: .06em; color: var(--text3);
  border: 1px solid var(--border2); border-radius: 99px; padding: 6px 12px;
}
.gold-badge-live { color: #f5c451; border-color: rgba(245,196,81,.45); background: rgba(245,196,81,.08); }
.gold-pts { font-family: var(--mono); font-size: 13px; color: #f5c451; }

.gold-route {
  display: flex; align-items: center; justify-content: center; gap: 16px;
  font-family: 'Oswald', var(--cond); font-weight: 700;
  font-size: clamp(1.8rem, 5vw, 2.6rem); color: var(--text); letter-spacing: .02em;
}
.gold-route .arrow { color: #f5c451; }
.gold-fno {
  text-align: center; font-family: var(--mono); font-size: 13px;
  color: var(--text3); margin-top: 4px;
}
.gold-meta { justify-content: center; margin-top: 12px; }
.gold-note { margin-top: 18px; }
.gold-empty { margin-top: 18px; }

.gold-claims { margin-top: 20px; border-top: 1px solid var(--border); padding-top: 16px; }
.gold-claims-title {
  font-family: var(--cond); text-transform: uppercase; font-size: 12px;
  letter-spacing: .06em; color: var(--text3); margin-bottom: 10px;
}
.gold-claim {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 0; border-bottom: 1px solid var(--border);
  font-family: var(--cond);
}
.gold-claim:last-child { border-bottom: 0; }
.gold-claim-rank { width: 24px; }
.gold-claim-name { flex: 1; color: var(--text); }
.gold-claim-pts { font-family: var(--mono); color: #f5c451; font-weight: 600; }