html, body { min-height: 100%; font-size: 15px; }

    .topbar {
      align-items: center; background: var(--surface);
      border-bottom: 1px solid var(--border);
      /* right padding clears the two fixed top-right controls (auth topbar + theme menu) */
      display: flex; gap: 12px; padding: 12px 240px 12px 24px;
    }
    .topbar-logo {
      color: var(--accent-3); font-family: var(--font-display);
      font-size: 1.5rem; letter-spacing: .05em; text-decoration: none;
    }
    .topbar-logo:hover { text-decoration: none; }
    .topbar-spacer { flex: 1; }
    .topbar-link { color: var(--muted); font-size: .85rem; }

    .page { max-width: 780px; margin: 0 auto; padding: 40px 24px; }

    .page-title {
      font-family: var(--font-display); font-size: 2.2rem;
      letter-spacing: .05em; margin-bottom: 4px; color: var(--accent-3);
    }
    .page-sub { color: var(--muted); font-size: .88rem; margin-bottom: 24px; }

    /* ── Filters ──────────────────────────────────────────── */
    .filters {
      display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px;
      align-items: flex-end;
    }
    .filter-group { display: flex; flex-direction: column; gap: 4px; }
    .filter-group label { font-size: .75rem; color: var(--muted); font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
    .filter-group input {
      background: var(--surface); border: 1px solid var(--border);
      border-radius: var(--r); color: var(--text);
      font-family: var(--font-body); font-size: .9rem;
      padding: 7px 10px; min-width: 160px;
    }
    .filter-group input:focus { outline: 2px solid var(--primary); outline-offset: 1px; border-color: transparent; }
    .btn-search {
      background: var(--primary); border: none; border-radius: var(--r);
      box-shadow: var(--btn-shadow); color: var(--btn-primary-text);
      cursor: pointer; font-family: var(--font-body); font-size: .9rem;
      font-weight: 600; padding: 8px 18px; align-self: flex-end;
    }
    .btn-search:hover { opacity: .88; }
    .btn-clear {
      background: none; border: 1px solid var(--border); border-radius: var(--r);
      color: var(--muted); cursor: pointer; font-family: var(--font-body);
      font-size: .85rem; padding: 7px 12px; align-self: flex-end;
    }
    .btn-clear:hover { color: var(--text); border-color: var(--text); }

    /* ── Session cards ───────────────────────────────────── */
    .session-list { display: flex; flex-direction: column; gap: 12px; }
    .session-card {
      background: var(--card); border: var(--card-border); border-radius: var(--r);
      box-shadow: var(--shadow); cursor: pointer; padding: 16px 20px;
      transition: transform .12s, border-color .12s;
    }
    .session-card:hover { transform: translateY(-1px); border-color: var(--primary); }
    .session-card-top { display: flex; align-items: baseline; gap: 12px; margin-bottom: 6px; }
    .session-date { font-family: var(--font-mono); font-size: .8rem; color: var(--muted); }
    .session-mode {
      font-size: .72rem; font-weight: 600; letter-spacing: .07em;
      text-transform: uppercase; color: var(--primary); margin-left: auto;
    }
    .session-quiz { font-weight: 600; font-size: 1rem; color: var(--text); margin-bottom: 4px; }
    .session-meta { font-size: .82rem; color: var(--muted); display: flex; gap: 12px; flex-wrap: wrap; }
    .session-winners { font-size: .82rem; color: var(--success); margin-top: 4px; }

    /* ── Detail view ─────────────────────────────────────── */
    #detail-view { display: none; }
    .back-btn {
      background: none; border: none; color: var(--primary); cursor: pointer;
      font-family: var(--font-body); font-size: .9rem; font-weight: 600;
      padding: 0; margin-bottom: 20px; display: flex; align-items: center; gap: 6px;
    }
    .back-btn:hover { text-decoration: underline; }
    .detail-title {
      font-family: var(--font-display); font-size: 1.8rem;
      letter-spacing: .04em; color: var(--text); margin-bottom: 4px;
    }
    .detail-meta { color: var(--muted); font-size: .85rem; margin-bottom: 28px; display: flex; gap: 16px; flex-wrap: wrap; }

    .scoreboard { width: 100%; border-collapse: collapse; }
    .scoreboard th {
      color: var(--muted); font-size: .75rem; letter-spacing: .08em;
      text-transform: uppercase; text-align: left;
      padding: 0 12px 10px; font-weight: 600;
    }
    .scoreboard th.num { text-align: right; }
    .scoreboard td { padding: 12px; border-top: 1px solid var(--border); vertical-align: middle; }
    .scoreboard td.num { text-align: right; }
    .place-cell { color: var(--muted); font-weight: 700; font-size: .9rem; min-width: 2.5ch; }
    .place-1 { color: var(--rank-gold); }
    .place-2 { color: var(--muted); }
    .place-3 { color: var(--muted); }
    .nick-cell { font-weight: 600; }
    .score-cell { font-weight: 700; color: var(--success); }
    .win-cell { color: var(--rank-gold); font-size: .85rem; }

    /* ── Pagination ──────────────────────────────────────── */
    .pagination { display: flex; gap: 10px; margin-top: 24px; align-items: center; }
    .btn-page {
      background: var(--surface); border: 1px solid var(--border);
      border-radius: var(--r); color: var(--text); cursor: pointer;
      font-family: var(--font-body); font-size: .85rem; padding: 6px 14px;
    }
    .btn-page:hover { border-color: var(--primary); color: var(--primary); }
    .btn-page:disabled { opacity: .4; cursor: default; pointer-events: none; }
    .page-info { color: var(--muted); font-size: .82rem; flex: 1; text-align: center; }

    /* ── Shared states ───────────────────────────────────── */
    .empty-state {
      text-align: center; padding: 72px 24px; color: var(--muted);
    }
    .empty-state .big { font-size: 3rem; margin-bottom: 12px; }
    .empty-state .msg { font-size: 1rem; }
    .loading { text-align: center; padding: 60px; color: var(--muted); }