/* ── Scoreboard standalone page ─────────────────────────────────── */

body.sb-body {
  margin: 0;
  background: linear-gradient(160deg, #0b1020, #0f172a);
  color: #e5e7eb;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, sans-serif;
  min-height: 100vh;
}

.sb-header {
  padding: 18px 32px;
  background: rgba(0,0,0,.25);
  border-bottom: 1px solid #1f2a44;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.sb-title {
  font-size: 20px;
  font-weight: 800;
  color: #c7d2fe;
  letter-spacing: .3px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sb-icon {
  font-size: 26px;
}

.sb-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 13px;
  color: #9ca3af;
}

.sb-exercise strong {
  color: #93c5fd;
}

.sb-refresh {
  font-size: 12px;
}

/* Layout */
.sb-layout {
  padding: 32px;
  max-width: 960px;
  margin: 0 auto;
}

.sb-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.sb-toolbar-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.sb-toolbar label {
  font-size: 12px;
  color: #93c5fd;
  font-weight: 700;
}

.sb-toolbar input {
  background: #111827;
  border: 1px solid #1f2a44;
  color: #e5e7eb;
  padding: 9px 12px;
  border-radius: 10px;
  min-width: 180px;
}

.sb-toolbar button,
.sb-toolbar a,
.sb-meta button {
  background: #111827;
  border: 1px solid #22304d;
  color: #e5e7eb;
  padding: 9px 12px;
  border-radius: 10px;
  text-decoration: none;
  cursor: pointer;
}

.sb-toolbar a {
  display: inline-flex;
  align-items: center;
}

.sb-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.sb-card {
  background: #111827;
  border: 1px solid #1f2a44;
  border-radius: 14px;
  padding: 14px 16px;
}

.sb-card-label {
  color: #93c5fd;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 800;
}

.sb-card-value {
  margin-top: 8px;
  font-size: 24px;
  font-weight: 900;
  color: #e5e7eb;
}

.sb-card-meta {
  margin-top: 4px;
  color: #94a3b8;
  font-size: 12px;
}

/* Table */
.sb-table-wrap {
  background: #111827;
  border: 1px solid #1f2a44;
  border-radius: 14px;
  overflow: hidden;
}

.sb-table {
  width: 100%;
  border-collapse: collapse;
}

.sb-table thead tr {
  background: #0d1326;
  border-bottom: 1px solid #1f2a44;
}

.sb-table th {
  padding: 12px 16px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: #93c5fd;
  font-weight: 700;
  text-align: left;
}

.sb-row {
  border-bottom: 1px solid #1a2540;
  transition: background .12s;
}

.sb-row:last-child {
  border-bottom: none;
}

.sb-row:hover {
  background: rgba(96,165,250,.04);
}

.sb-row.top-3 {
  background: rgba(96,165,250,.05);
}

.sb-table td {
  padding: 14px 16px;
  font-size: 14px;
  vertical-align: middle;
}

.col-rank  { width: 52px; }
.col-score { width: 70px; }
.col-bar   { width: 140px; }
.col-events{ width: 64px; text-align: center; }
.col-diff  { width: 90px; }
.col-updated { width: 110px; font-size: 12px; color: #64748b; }

/* Rank badges */
.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-weight: 800;
  font-size: 13px;
  background: #1f2937;
  color: #9ca3af;
}

.rank-badge.medal-gold   { background: rgba(251,191,36,.15); color: #fbbf24; border: 1px solid rgba(251,191,36,.35); }
.rank-badge.medal-silver { background: rgba(148,163,184,.12); color: #94a3b8; border: 1px solid rgba(148,163,184,.3); }
.rank-badge.medal-bronze { background: rgba(180,120,60,.15); color: #cd7f32; border: 1px solid rgba(180,120,60,.3); }

/* Team name */
.team-name {
  font-weight: 700;
  color: #e5e7eb;
}

.team-meta {
  margin-top: 4px;
  font-size: 11px;
  color: #94a3b8;
}

.team-badges {
  margin-top: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.team-badge {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 999px;
  color: #93c5fd;
  background: rgba(96,165,250,.12);
  border: 1px solid rgba(96,165,250,.28);
}

/* Score */
.score-val {
  font-size: 20px;
  font-weight: 900;
  line-height: 1;
}

/* Progress bar */
.sb-bar {
  width: 100%;
  height: 8px;
  background: #1f2937;
  border-radius: 999px;
  overflow: hidden;
}

.sb-fill {
  height: 8px;
  border-radius: 999px;
  transition: width .5s ease;
}

/* Difficulty pill */
.diff-pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .05em;
  border: 1px solid transparent;
}

.diff-easy   { background: rgba(52,211,153,.12); color: #34d399; border-color: rgba(52,211,153,.3); }
.diff-normal { background: rgba(96,165,250,.12); color: #60a5fa; border-color: rgba(96,165,250,.3); }
.diff-hard   { background: rgba(248,113,113,.12); color: #f87171; border-color: rgba(248,113,113,.3); }

/* Empty state */
.sb-empty {
  text-align: center;
  color: #4b5563;
  font-size: 14px;
  padding: 40px !important;
}

/* Toast */
.sb-toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  background: #111827;
  color: #e5e7eb;
  border: 1px solid #374151;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 13px;
  box-shadow: 0 8px 20px rgba(0,0,0,.4);
  display: none;
  z-index: 9999;
}

.sb-toast.show { display: block; }

@media (max-width: 920px) {
  .sb-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .sb-layout {
    padding: 18px;
  }

  .sb-cards {
    grid-template-columns: 1fr;
  }

  .sb-table-wrap {
    overflow-x: auto;
  }

  .sb-table {
    min-width: 760px;
  }
}