/* =========================================================
   ACL EXPERT EDITION — CHALLENGE PAGE
========================================================= */

:root {
  --challenge-blue-950: #082449;
  --challenge-blue-900: #0d3565;
  --challenge-blue-700: #155591;
  --challenge-blue-100: #eaf4ff;
  --challenge-blue-50: #f6faff;
  --challenge-yellow: #ffc928;
  --challenge-green: #20ad72;
  --challenge-red: #d84c4c;
  --challenge-ink: #10233f;
  --challenge-muted: #6b7d94;
  --challenge-border: rgba(21, 85, 145, 0.14);
}

* {
  box-sizing: border-box;
}

.challenge-page {
  min-height: 100vh;
  margin: 0;
  color: var(--challenge-ink);
  background:
    radial-gradient(circle at 8% 5%, rgba(255, 201, 40, 0.18), transparent 23rem),
    radial-gradient(circle at 92% 0%, rgba(32, 173, 114, 0.12), transparent 25rem),
    linear-gradient(160deg, #eef7ff 0%, #f8fbff 52%, #edf5ff 100%);
  font-family: Inter, Arial, sans-serif;
}

.challenge-shell {
  width: min(960px, calc(100% - 28px));
  margin: 0 auto;
  padding: 28px 0 72px;
}

.challenge-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--challenge-blue-700);
  font-weight: 800;
  text-decoration: none;
}

.challenge-hero,
.challenge-panel,
.challenge-created-card {
  border: 1px solid var(--challenge-border);
  border-radius: 26px;
  box-shadow: 0 20px 50px rgba(12, 43, 81, 0.1);
}

.challenge-hero {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: center;
  overflow: hidden;
  padding: 34px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(8, 36, 73, 0.96), rgba(21, 85, 145, 0.94)),
    #0d3565;
}

.challenge-eyebrow,
.challenge-step-label {
  margin: 0 0 8px;
  color: var(--challenge-yellow);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.challenge-hero h1,
.challenge-panel h2,
.challenge-created-card h2 {
  margin: 0;
}

.challenge-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1;
}

.challenge-hero p:last-child {
  max-width: 620px;
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.84);
  line-height: 1.65;
}

.challenge-hero-badge {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-width: 188px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.challenge-hero-badge span {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 50%;
  color: var(--challenge-blue-950);
  background: #fff;
  font-size: 1.4rem;
  font-weight: 900;
}

.challenge-hero-badge small {
  color: var(--challenge-yellow);
  font-weight: 1000;
}

.challenge-panel {
  margin-top: 22px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.96);
}

.challenge-panel-heading,
.challenge-created-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 22px;
}

.challenge-status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--challenge-blue-700);
  background: var(--challenge-blue-100);
  font-size: 0.78rem;
  font-weight: 900;
  white-space: nowrap;
}

.challenge-form {
  display: grid;
  gap: 18px;
}

.challenge-field {
  display: grid;
  gap: 8px;
}

.challenge-field label,
.challenge-link-box label {
  font-size: 0.9rem;
  font-weight: 900;
}

.challenge-field label span {
  color: var(--challenge-muted);
  font-weight: 600;
}

.challenge-field select,
.challenge-field textarea,
.challenge-link-box input {
  width: 100%;
  border: 1px solid rgba(16, 35, 63, 0.14);
  border-radius: 14px;
  outline: none;
  color: var(--challenge-ink);
  background: #fff;
  font: inherit;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.challenge-field select {
  min-height: 52px;
  padding: 0 14px;
}

.challenge-field textarea {
  resize: vertical;
  min-height: 100px;
  padding: 14px;
}

.challenge-field select:focus,
.challenge-field textarea:focus,
.challenge-link-box input:focus {
  border-color: var(--challenge-blue-700);
  box-shadow: 0 0 0 4px rgba(21, 85, 145, 0.1);
}

.challenge-field small,
.challenge-check-row small {
  color: var(--challenge-muted);
  line-height: 1.45;
}

.challenge-grid-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.challenge-character-count {
  justify-self: end;
  color: var(--challenge-muted);
  font-size: 0.78rem;
}

.challenge-check-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: flex-start;
  padding: 15px;
  border: 1px solid rgba(32, 173, 114, 0.18);
  border-radius: 16px;
  cursor: pointer;
  background: rgba(32, 173, 114, 0.06);
}

.challenge-check-row input {
  width: 19px;
  height: 19px;
  margin-top: 2px;
  accent-color: var(--challenge-green);
}

.challenge-check-row span {
  display: grid;
  gap: 4px;
}

.challenge-primary-button,
.challenge-secondary-button {
  min-height: 52px;
  border-radius: 15px;
  padding: 0 20px;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
  transition: transform 160ms ease, opacity 160ms ease, box-shadow 160ms ease;
}

.challenge-primary-button {
  display: inline-flex;
  justify-content: center;
  gap: 10px;
  align-items: center;
  border: 0;
  color: #fff;
  background: linear-gradient(135deg, var(--challenge-blue-700), var(--challenge-blue-900));
  box-shadow: 0 12px 24px rgba(21, 85, 145, 0.2);
}

.challenge-secondary-button {
  border: 1px solid rgba(21, 85, 145, 0.2);
  color: var(--challenge-blue-700);
  background: #fff;
}

.challenge-primary-button:hover,
.challenge-secondary-button:hover {
  transform: translateY(-1px);
}

.challenge-primary-button:disabled,
.challenge-secondary-button:disabled {
  cursor: not-allowed;
  opacity: 0.62;
  transform: none;
}

/* =========================================================
   CHALLENGE CREATED CARD
========================================================= */

.challenge-created-card {
  margin-top: 18px;
  padding: 20px;
  background:
    linear-gradient(
      145deg,
      #ffffff 0%,
      #f6faff 100%
    );
}

.challenge-created-icon {
  display: grid;
  flex: 0 0 52px;
  width: 52px;
  height: 52px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--challenge-green);
  font-size: 1.5rem;
  font-weight: 1000;
  box-shadow: 0 10px 22px rgba(32, 173, 114, 0.22);
}

.challenge-created-header {
  justify-content: flex-start;
  align-items: center;
}

.challenge-created-header p:last-child {
  margin: 8px 0 0;
  color: var(--challenge-muted);
}

.challenge-created-details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 18px 0;
}

.challenge-created-details > div {
  display: grid;
  gap: 5px;
  padding: 14px;
  border: 1px solid rgba(21, 85, 145, 0.1);
  border-radius: 15px;
  background: #fff;
}

.challenge-created-details span {
  color: var(--challenge-muted);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.challenge-link-box {
  display: grid;
  gap: 8px;
}

.challenge-link-box > div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.challenge-link-box input {
  min-height: 50px;
  padding: 0 14px;
}

.challenge-link-box button {
  min-width: 90px;
  border: 0;
  border-radius: 13px;
  color: #fff;
  background: var(--challenge-green);
  font-weight: 900;
  cursor: pointer;
}

.challenge-created-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 18px;
}

.challenge-copy-feedback {
  min-height: 20px;
  margin: 10px 0 0;
  color: var(--challenge-green);
  font-size: 0.84rem;
  font-weight: 800;
  text-align: center;
}

.challenge-alert {
  padding: 13px 15px;
  border-radius: 13px;
  font-size: 0.9rem;
  font-weight: 700;
}

.challenge-alert-error {
  border: 1px solid rgba(216, 76, 76, 0.18);
  color: #a73535;
  background: rgba(216, 76, 76, 0.07);
}

.incoming-challenge-summary {
  display: grid;
  gap: 20px;
}

.incoming-versus {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 18px;
  align-items: center;
  text-align: center;
}

.incoming-versus > div {
  display: grid;
  justify-items: center;
  gap: 9px;
}

.incoming-avatar {
  display: grid;
  width: 72px;
  height: 72px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--challenge-blue-700);
  font-size: 1.5rem;
  font-weight: 1000;
}

.incoming-avatar-you {
  color: var(--challenge-blue-950);
  background: var(--challenge-yellow);
  font-size: 0.76rem;
}

.incoming-vs,
.challenge-result-vs {
  color: var(--challenge-red);
  font-size: 1.1rem;
  font-weight: 1000;
}

.incoming-challenge-summary blockquote {
  margin: 0;
  padding: 15px 18px;
  border-left: 4px solid var(--challenge-yellow);
  border-radius: 0 12px 12px 0;
  color: var(--challenge-blue-900);
  background: #fff9df;
  font-style: italic;
}

.challenge-scoreboard {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: center;
}

.challenge-player-card {
  display: grid;
  gap: 7px;
  min-height: 180px;
  place-content: center;
  border: 1px solid rgba(21, 85, 145, 0.12);
  border-radius: 20px;
  text-align: center;
  background: var(--challenge-blue-50);
}

.challenge-player-card h3,
.challenge-player-card p {
  margin: 0;
}

.challenge-player-card > strong {
  color: var(--challenge-blue-700);
  font-size: 2.2rem;
}

.challenge-player-card small {
  color: var(--challenge-muted);
}

.challenge-player-label {
  color: var(--challenge-muted);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.challenge-winner-banner {
  margin-top: 18px;
  padding: 15px;
  border-radius: 15px;
  color: var(--challenge-blue-950);
  background: linear-gradient(135deg, #fff4bc, #ffe37b);
  font-weight: 1000;
  text-align: center;
}

.challenge-link-button {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 16px;
  text-decoration: none;
}

[hidden] {
  display: none !important;
}

@media (max-width: 700px) {
  .challenge-shell {
    width: min(100% - 18px, 960px);
    padding-top: 16px;
  }

  .challenge-hero {
    align-items: flex-start;
    padding: 25px 20px;
  }

  .challenge-hero-badge {
    display: none;
  }

  .challenge-panel,
  .challenge-created-card {
    padding: 19px;
    border-radius: 21px;
  }

  .challenge-grid-two,
  .challenge-created-details,
  .challenge-created-actions {
    grid-template-columns: 1fr;
  }

  .challenge-panel-heading {
    align-items: center;
  }

  .challenge-scoreboard {
    grid-template-columns: 1fr;
  }

  .challenge-result-vs {
    text-align: center;
  }
}
/* =========================================================
   CHALLENGE LEADERBOARD
========================================================= */

.challenge-leaderboard-description {
  margin:
    8px
    0
    0;
  color:
    var(--challenge-muted);
}

.challenge-refresh-button {
  min-height:
    40px;
  padding:
    0
    16px;
}

.challenge-leaderboard-status {
  padding:
    26px;
  border:
    1px dashed
    rgba(
      21,
      85,
      145,
      0.18
    );
  border-radius:
    16px;
  color:
    var(--challenge-muted);
  background:
    var(--challenge-blue-50);
  text-align:
    center;
  font-weight:
    800;
}

.challenge-leaderboard-table {
  display:
    grid;
  gap:
    9px;
}

.challenge-leaderboard-header,
.challenge-leaderboard-row {
  display:
    grid;
  grid-template-columns:
    70px
    minmax(
      220px,
      1fr
    )
    90px
    100px
    120px;
  gap:
    12px;
  align-items:
    center;
}

.challenge-leaderboard-header {
  padding:
    0
    16px
    9px;
  color:
    var(--challenge-muted);
  font-size:
    0.72rem;
  font-weight:
    900;
  letter-spacing:
    0.06em;
  text-transform:
    uppercase;
}

.challenge-leaderboard-row {
  min-height:
    76px;
  padding:
    12px
    16px;
  border:
    1px solid
    rgba(
      21,
      85,
      145,
      0.1
    );
  border-radius:
    16px;
  background:
    #ffffff;
}

.challenge-leaderboard-row.is-top-1 {
  border-color:
    rgba(
      255,
      201,
      40,
      0.5
    );
  background:
    linear-gradient(
      145deg,
      #fffdf2,
      #ffffff
    );
}

.challenge-leaderboard-row.is-top-2,
.challenge-leaderboard-row.is-top-3 {
  background:
    var(--challenge-blue-50);
}

.challenge-leaderboard-rank {
  font-size:
    1.25rem;
  font-weight:
    1000;
  text-align:
    center;
}

.challenge-leaderboard-person {
  display:
    flex;
  gap:
    12px;
  align-items:
    center;
}

.challenge-leaderboard-person > div {
  display:
    grid;
  gap:
    4px;
}

.challenge-leaderboard-person small {
  color:
    var(--challenge-muted);
}

.challenge-leaderboard-avatar {
  width:
    46px;
  height:
    46px;
  flex:
    0
    0
    46px;
  border-radius:
    50%;
  object-fit:
    cover;
}

.challenge-leaderboard-initials {
  display:
    grid;
  place-items:
    center;
  color:
    #ffffff;
  background:
    linear-gradient(
      145deg,
      var(--challenge-blue-700),
      var(--challenge-blue-900)
    );
  font-size:
    0.82rem;
  font-weight:
    1000;
}

.challenge-leaderboard-value {
  color:
    var(--challenge-blue-900);
  text-align:
    center;
}

@media (
  max-width:
    760px
) {
  .challenge-leaderboard-table {
    overflow-x:
      auto;
    padding-bottom:
      8px;
  }

  .challenge-leaderboard-header,
  .challenge-leaderboard-row {
    min-width:
      680px;
  }
}