/* Leaderboard-specific styles. Black/white/green ledger aesthetic. */

/* ---------- Personal "me" card ---------- */
.me-card {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--space-6);
  align-items: center;
  padding: var(--space-6) var(--space-7);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
  position: relative;
}
.me-left { display: flex; align-items: center; gap: var(--space-4); min-width: 0; }
.me-avatar {
  width: 56px; height: 56px; flex: 0 0 auto; border-radius: 50%;
  background: var(--color-primary); color: var(--color-text-inverse);
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 600; font-size: 1.4rem;
  letter-spacing: -.01em;
  border: 2px solid var(--color-primary);
}
.me-name {
  font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg);
  color: var(--color-text); line-height: 1.2;
}
.me-meta {
  font-size: var(--text-sm); color: var(--color-text-muted); margin-top: 2px;
}
.me-meta a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 3px; }
.me-right { display: flex; gap: var(--space-6); }
.stat { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.stat-num {
  font-family: var(--font-display); font-weight: 600; font-size: 1.6rem;
  color: var(--color-gold); line-height: 1;
}
.stat-label {
  font-size: 11px; text-transform: uppercase; letter-spacing: .12em;
  color: var(--color-text-muted); font-weight: 600;
}
.me-edit {
  background: transparent; border: 1px solid var(--color-border);
  color: var(--color-text-muted); border-radius: 50%;
  width: 36px; height: 36px; display: grid; place-items: center;
  cursor: pointer; transition: all var(--transition-interactive);
}
.me-edit:hover { color: var(--color-primary); border-color: var(--color-primary); }

@media (max-width: 720px) {
  .me-card { grid-template-columns: 1fr auto; }
  .me-right { grid-column: 1 / -1; justify-content: space-around; padding-top: var(--space-4); border-top: 1px solid var(--color-border); }
}

/* ---------- Tabs + filters ---------- */
.lb-controls {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-5);
}
.lb-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--color-border); }
.lb-tab {
  background: transparent; border: none; padding: var(--space-3) var(--space-4);
  font-family: var(--font-display); font-weight: 500; font-size: var(--text-base);
  color: var(--color-text-muted); cursor: pointer; position: relative;
  transition: color var(--transition-interactive);
}
.lb-tab:hover { color: var(--color-text); }
.lb-tab.active { color: var(--color-primary); }
.lb-tab.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
  background: var(--color-primary);
}
.lb-filters { display: flex; gap: var(--space-3); }
.lb-filter { display: flex; flex-direction: column; gap: 4px; }
.lb-filter span {
  font-size: 11px; text-transform: uppercase; letter-spacing: .12em;
  color: var(--color-text-muted); font-weight: 600;
}
.lb-filter select {
  padding: 6px 28px 6px 10px; font-family: var(--font-body); font-size: var(--text-sm);
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  background: var(--color-surface); color: var(--color-text); cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234a5450' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 8px center;
}

/* ---------- Ledger sheet ---------- */
.ledger-sheet {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-8);
  position: relative;
}
.ledger-sheet::before {
  content: ''; position: absolute; left: 60px; top: 0; bottom: 0;
  width: 1px; background: var(--color-border); opacity: .5;
  pointer-events: none;
}

.ledger-heading, .ledger-row {
  display: grid;
  grid-template-columns: 60px 1fr 100px 1.4fr 120px;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
}
.ledger-heading {
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
  font-size: 11px; text-transform: uppercase; letter-spacing: .12em;
  color: var(--color-text-muted); font-weight: 600;
}
.ledger-row {
  border-bottom: 1px dashed oklch(from var(--color-border) l c h / .6);
  transition: background var(--transition-interactive);
}
.ledger-row:last-child { border-bottom: none; }
.ledger-row:hover { background: var(--color-surface-2); }
.ledger-row.is-me {
  background: oklch(from var(--color-gold) l c h / .10);
  border-left: 3px solid var(--color-gold);
  padding-left: calc(var(--space-5) - 3px);
}
.ledger-row.is-me:hover { background: oklch(from var(--color-gold) l c h / .15); }

.rank-cell {
  font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg);
  color: var(--color-text-muted); text-align: center;
}
.rank-medal { display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%;
  font-family: var(--font-display); font-weight: 600; font-size: 1rem;
  border: 2px solid;
}
.rank-medal.gold { background: var(--color-primary); color: var(--color-text-inverse); border-color: var(--color-primary); }
.rank-medal.silver { background: var(--color-text); color: var(--color-text-inverse); border-color: var(--color-text); }
.rank-medal.bronze { background: var(--color-surface); color: var(--color-text); border-color: var(--color-text); }

.reader-cell { display: flex; align-items: center; gap: var(--space-3); min-width: 0; }
.reader-avatar {
  width: 32px; height: 32px; border-radius: 50%; flex: 0 0 auto;
  background: var(--color-primary); color: var(--color-text-inverse);
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 600; font-size: .85rem;
}
.reader-name {
  font-weight: 500; color: var(--color-text); overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap;
}
.reader-you {
  font-size: 10px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--color-gold); margin-left: var(--space-2);
}

.score-cell {
  font-family: var(--font-mono); font-weight: 600; font-size: var(--text-base);
  color: var(--color-text);
}
.score-cell .score-pct {
  font-family: var(--font-body); font-size: 12px;
  color: var(--color-text-muted); margin-left: 4px;
}

.quiz-cell { min-width: 0; }
.quiz-branch {
  font-family: var(--font-display); font-weight: 500; font-size: var(--text-sm);
  color: var(--color-text); line-height: 1.2;
}
.quiz-level { font-size: 12px; color: var(--color-text-muted); margin-top: 2px; }

.when-cell {
  font-size: 12px; color: var(--color-text-muted); font-variant-numeric: tabular-nums;
}

.ledger-empty {
  padding: var(--space-8); text-align: center;
}
.ledger-empty p { color: var(--color-text-muted); margin-bottom: var(--space-4); }

/* Mobile — collapse the ledger to a card view */
@media (max-width: 720px) {
  .ledger-heading { display: none; }
  .ledger-row {
    grid-template-columns: auto 1fr auto;
    grid-template-areas:
      "rank reader score"
      "rank quiz   quiz";
    row-gap: 4px; padding: var(--space-4);
  }
  .ledger-row > *:nth-child(1) { grid-area: rank; }
  .ledger-row > *:nth-child(2) { grid-area: reader; }
  .ledger-row > *:nth-child(3) { grid-area: score; text-align: right; }
  .ledger-row > *:nth-child(4) { grid-area: quiz; }
  .hide-mobile { display: none; }
  .ledger-sheet::before { display: none; }
}

/* ---------- Badges ---------- */
.badges-panel h2 {
  font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg);
  margin-bottom: var(--space-4);
}
.badges-row { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.badge {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); min-width: 200px;
}
.badge-icon {
  width: 40px; height: 40px; flex: 0 0 auto; border-radius: 50%;
  background: oklch(from var(--color-gold) l c h / .15);
  color: var(--color-gold);
  display: grid; place-items: center; font-size: 1.2rem;
  border: 1.5px solid var(--color-gold);
}
.badge.locked .badge-icon {
  background: var(--color-surface-2); color: var(--color-text-muted);
  border-color: var(--color-border);
}
.badge.locked { opacity: .55; }
.badge-name {
  font-family: var(--font-display); font-weight: 500; font-size: var(--text-sm);
  color: var(--color-text);
}
.badge-sub { font-size: 11px; color: var(--color-text-muted); margin-top: 2px; }

/* ---------- Modal (name entry) ---------- */
.ll-modal {
  position: fixed; inset: 0; background: rgba(0, 0, 0, .5);
  display: grid; place-items: center; z-index: 100; padding: var(--space-4);
}
.ll-modal[hidden] { display: none; }
.ll-modal-card {
  background: var(--color-surface); border-radius: var(--radius-lg);
  border: 1px solid var(--color-border); box-shadow: var(--shadow-lg);
  padding: var(--space-7); max-width: 440px; width: 100%;
}
.ll-modal-card h2 {
  font-family: var(--font-display); font-weight: 600; font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}
.ll-modal-card p {
  color: var(--color-text-muted); font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}
.ll-modal-card input[type="text"] {
  width: 100%; padding: var(--space-3) var(--space-4);
  font-family: var(--font-body); font-size: var(--text-base);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: var(--color-surface-2); color: var(--color-text);
  transition: border-color var(--transition-interactive);
}
.ll-modal-card input[type="text"]:focus {
  outline: none; border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / .12);
}
.ll-modal-actions {
  display: flex; gap: var(--space-3); justify-content: flex-end;
  margin-top: var(--space-5);
}

/* Nav active state */
.nav a.active { color: var(--color-primary); font-weight: 600; }