*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  :root {
    --bg: #f0f2f7;
    --card: #ffffff;
    --card2: #f8f9fc;
    --text: #111827;
    --muted: #6b7280;
    --border: rgba(0,0,0,0.07);
    --today: #1e40af;
    --today-bg: #eff6ff;
    --today-light: #bfdbfe;
    --weekly: #065f46;
    --weekly-bg: #ecfdf5;
    --weekly-light: #a7f3d0;
    --monthly: #7c2d12;
    --monthly-bg: #fff7ed;
    --monthly-light: #fed7aa;
    --accent: #1e40af;
    --radius: 16px;
    --radius-sm: 10px;
  }

  body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    padding: 28px 24px;
  }

  /* ── Page header ── */
  .page-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 28px;
    animation: fadeUp 0.5s ease both;
  }
  .page-title { font-family: 'Syne', sans-serif; font-size: 26px; font-weight: 700; color: var(--text); }
  .page-sub   { font-size: 13px; color: var(--muted); margin-top: 4px; }
  .date-badge {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 30px;
    padding: 7px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 7px;
  }
  .date-badge i { color: var(--accent); }

  /* ── Summary strip ── */
  .summary-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 28px;
    animation: fadeUp 0.5s 0.07s ease both;
  }
  .summary-card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 22px 22px 18px;
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
  }
  .summary-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    border-radius: var(--radius) var(--radius) 0 0;
  }
  .summary-card.t::before { background: #3b82f6; }
  .summary-card.w::before { background: #10b981; }
  .summary-card.m::before { background: #f97316; }

  .sc-icon {
    width: 40px; height: 40px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px; margin-bottom: 14px;
  }
  .t .sc-icon { background: var(--today-bg); color: var(--today); }
  .w .sc-icon { background: var(--weekly-bg); color: var(--weekly); }
  .m .sc-icon { background: var(--monthly-bg); color: var(--monthly); }

  .sc-label { font-size: 12px; color: var(--muted); font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 6px; }
  .sc-val   { font-family: 'Syne', sans-serif; font-size: 34px; font-weight: 700; line-height: 1; }
  .t .sc-val { color: var(--today); }
  .w .sc-val { color: var(--weekly); }
  .m .sc-val { color: var(--monthly); }

  .sc-foot { margin-top: 12px; font-size: 12px; color: var(--muted); }
  .sc-foot span { font-weight: 600; }
  .sc-foot .up   { color: #059669; }
  .sc-foot .down { color: #dc2626; }

  /* ── User cards grid ── */
  .section-head {
    font-family: 'Syne', sans-serif;
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .section-head i { color: var(--muted); font-size: 14px; }

  .user-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
  }

  .user-card {
    background: var(--card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
    animation: fadeUp 0.5s ease both;
  }
  .user-card:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,0.09); }

  .uc-top {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 16px 14px;
    border-bottom: 1px solid var(--border);
  }
  .avatar {
    width: 42px; height: 42px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 600; flex-shrink: 0;
  }
  .uc-name { font-size: 14px; font-weight: 600; color: var(--text); line-height: 1.3; }
  .uc-sub  { font-size: 11px; color: var(--muted); margin-top: 1px; }

  .uc-stats { display: grid; grid-template-columns: repeat(3, 1fr); }
  .uc-stat  { padding: 12px 10px 14px; text-align: center; border-right: 1px solid var(--border); }
  .uc-stat:last-child { border-right: none; }
  .uc-stat-lbl { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 5px; font-weight: 500; }
  .uc-stat-val { font-family: 'Syne', sans-serif; font-size: 22px; font-weight: 700; line-height: 1; }
  .uc-stat.t .uc-stat-val { color: var(--today); }
  .uc-stat.w .uc-stat-val { color: var(--weekly); }
  .uc-stat.m .uc-stat-val { color: var(--monthly); }

  .uc-footer {
    padding: 9px 14px;
    background: var(--card2);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--border);
  }
  .trend-badge {
    font-size: 11px;
    font-weight: 600;
    padding: 3px 9px;
    border-radius: 20px;
  }
  .trend-badge.up   { background: #dcfce7; color: #15803d; }
  .trend-badge.down { background: #fee2e2; color: #b91c1c; }
  .trend-badge.neu  { background: #f3f4f6; color: #6b7280; }
  .uc-footer-lbl { font-size: 11px; color: var(--muted); }

  /* ── Bar chart ── */
  .chart-card {
    background: var(--card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 22px 22px 18px;
    margin-bottom: 28px;
    animation: fadeUp 0.5s 0.2s ease both;
  }
  .chart-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
  .chart-legend { display: flex; gap: 16px; }
  .leg { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
  .leg-dot { width: 10px; height: 10px; border-radius: 3px; }

  .chart-body { display: flex; align-items: flex-end; gap: 14px; height: 120px; }
  .bar-group  { flex: 1; display: flex; align-items: flex-end; gap: 3px; flex-direction: column; }
  .bar-cols   { display: flex; align-items: flex-end; gap: 3px; width: 100%; }
  .bar {
    flex: 1;
    border-radius: 4px 4px 0 0;
    min-height: 4px;
    transition: opacity 0.2s;
    cursor: default;
    position: relative;
  }
  .bar:hover::after {
    content: attr(data-tip);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%; transform: translateX(-50%);
    background: #111827;
    color: #fff;
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 6px;
    white-space: nowrap;
    pointer-events: none;
    z-index: 10;
  }
  .bar.t { background: #3b82f6; }
  .bar.w { background: #10b981; }
  .bar.m { background: #f97316; }
  .bar-lbl { font-size: 11px; color: var(--muted); text-align: center; margin-top: 8px; width: 100%; }

  /* ── Table view ── */
  .table-card {
    background: var(--card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    animation: fadeUp 0.5s 0.25s ease both;
  }
  .table-head-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    padding: 12px 20px;
    background: var(--card2);
    border-bottom: 1px solid var(--border);
    font-size: 11px;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }
  .table-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    align-items: center;
    transition: background 0.15s;
  }
  .table-row:last-child { border-bottom: none; }
  .table-row:hover { background: var(--card2); }
  .tr-user { display: flex; align-items: center; gap: 10px; }
  .tr-name { font-size: 13px; font-weight: 500; color: var(--text); }
  .tr-num  { font-family: 'Syne', sans-serif; font-size: 15px; font-weight: 700; text-align: center; }
  .tr-num.t { color: var(--today); }
  .tr-num.w { color: var(--weekly); }
  .tr-num.m { color: var(--monthly); }
  .tr-num.trend { text-align: right; }

  /* ── Animations ── */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  /* ── Responsive ── */
  @media (max-width: 640px) {
    .summary-strip { grid-template-columns: 1fr; }
    .page-header   { flex-direction: column; align-items: flex-start; gap: 10px; }
    .table-head-row, .table-row { grid-template-columns: 2fr 1fr 1fr 1fr; }
    .table-head-row .col-trend, .table-row .col-trend { display: none; }
  }