Museum — Attendance & Ticketing Dashboard

:root {
  --paper: #f6f4ef;
  --wall: #ffffff;
  --charcoal: #1c1b19;
  --ink: #2a2825;
  --ink-2: #4a4640;
  --muted: #8c857a;
  --gold: #a98140;
  --gold-d: #876631;
  --gold-50: #f3ecdd;
  --line: rgba(28, 27, 25, 0.12);
  --line-2: rgba(28, 27, 25, 0.2);
  --ok: #3f7d56;
  --warn: #b8842c;
  --danger: #b4493a;
  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 18px;
  --shadow-sm: 0 1px 2px rgba(28, 27, 25, 0.05), 0 1px 3px rgba(28, 27, 25, 0.04);
  --shadow-md: 0 6px 24px rgba(28, 27, 25, 0.07);
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.app { max-width: 1180px; margin: 0 auto; padding: 0 24px 64px; }

/* Topbar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: saturate(120%) blur(8px);
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border: 1px solid var(--gold);
  color: var(--gold-d);
  border-radius: var(--r-sm);
  font-size: 20px;
  background: var(--gold-50);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-name { font-family: var(--serif); font-weight: 600; font-size: 1.32rem; color: var(--charcoal); }
.brand-sub { font-size: 0.78rem; color: var(--muted); letter-spacing: 0.02em; }

.topbar-right { display: flex; align-items: center; gap: 16px; }
.range {
  display: inline-flex;
  background: var(--wall);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
  box-shadow: var(--shadow-sm);
}
.range-btn {
  font: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink-2);
  background: transparent;
  border: 0;
  padding: 6px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
}
.range-btn:hover { color: var(--charcoal); }
.range-btn[aria-pressed="true"] {
  background: var(--charcoal);
  color: var(--paper);
}
.range-btn:focus-visible,
.ghost-btn:focus-visible,
.export-row:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
.who-avatar {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--charcoal);
  color: var(--paper);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

/* Board head */
.board-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin: 34px 0 22px;
  flex-wrap: wrap;
}
.board-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 2.3rem;
  margin: 0;
  color: var(--charcoal);
  letter-spacing: -0.01em;
}
.board-meta { margin: 4px 0 0; color: var(--muted); font-size: 0.88rem; }

.pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.8rem; font-weight: 500;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--wall);
}
.pill .dot { width: 8px; height: 8px; border-radius: 50%; }
.pill-ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 30%, var(--line)); }
.pill-ok .dot { background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 18%, transparent); }
.pill-warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 32%, var(--line)); }
.pill-warn .dot { background: var(--warn); box-shadow: 0 0 0 3px color-mix(in srgb, var(--warn) 18%, transparent); }

/* KPIs */
.kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 22px;
}
.kpi {
  background: var(--wall);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 7px;
  transition: transform 0.18s, box-shadow 0.18s;
}
.kpi:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.kpi-label { font-size: 0.78rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.kpi-value { font-family: var(--serif); font-weight: 600; font-size: 2.1rem; color: var(--charcoal); line-height: 1; }
.kpi-delta { font-size: 0.78rem; font-weight: 500; }
.kpi-delta.up { color: var(--ok); }
.kpi-delta.down { color: var(--danger); }
.kpi-bar {
  margin-top: 4px;
  height: 6px;
  border-radius: 999px;
  background: var(--gold-50);
  overflow: hidden;
}
.kpi-bar span {
  display: block; height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--gold-d));
  border-radius: 999px;
  transition: width 0.5s ease;
}

/* Grid */
.grid {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.card {
  background: var(--wall);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
}
.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 20px;
}
.card-title { font-family: var(--serif); font-weight: 600; font-size: 1.4rem; margin: 0; color: var(--charcoal); }
.card-sub { margin: 3px 0 0; font-size: 0.82rem; color: var(--muted); }
.tag {
  font-size: 0.74rem;
  font-weight: 500;
  color: var(--gold-d);
  background: var(--gold-50);
  border: 1px solid color-mix(in srgb, var(--gold) 24%, var(--line));
  padding: 4px 11px;
  border-radius: 999px;
  white-space: nowrap;
}

/* Bar chart */
.bars {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  align-items: end;
  gap: 8px;
  height: 220px;
  padding-top: 8px;
  border-bottom: 1px solid var(--line);
}
.bar-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  height: 100%;
}
.bar {
  width: 100%;
  max-width: 30px;
  border-radius: 5px 5px 0 0;
  background: linear-gradient(180deg, var(--gold), var(--gold-d));
  position: relative;
  transition: height 0.55s cubic-bezier(0.22, 1, 0.36, 1), background 0.18s;
  cursor: default;
}
.bar.is-peak { background: linear-gradient(180deg, var(--charcoal), #3a3733); }
.bar:hover { filter: brightness(1.07); }
.bar:hover::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--charcoal);
  color: var(--paper);
  font-size: 0.72rem;
  padding: 4px 8px;
  border-radius: var(--r-sm);
  white-space: nowrap;
  pointer-events: none;
  z-index: 5;
}
.bar-label { font-size: 0.68rem; color: var(--muted); }

/* Donut */
.donut-wrap { display: flex; flex-direction: column; align-items: center; gap: 22px; }
.donut {
  width: 168px; height: 168px;
  border-radius: 50%;
  position: relative;
  flex: none;
}
.donut-hole {
  position: absolute;
  inset: 26px;
  background: var(--wall);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 0 1px var(--line);
}
.donut-total { font-family: var(--serif); font-weight: 600; font-size: 1.7rem; color: var(--charcoal); line-height: 1; }
.donut-cap { font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }

.legend { list-style: none; margin: 0; padding: 0; width: 100%; display: grid; gap: 10px; }
.legend li {
  display: grid;
  grid-template-columns: 14px 1fr auto;
  align-items: center;
  gap: 10px;
  font-size: 0.84rem;
}
.legend .sw { width: 12px; height: 12px; border-radius: 3px; }
.legend .lname { color: var(--ink-2); }
.legend .lval { color: var(--charcoal); font-weight: 500; font-variant-numeric: tabular-nums; }
.legend .lpct { color: var(--muted); font-size: 0.78rem; margin-left: 8px; }

/* Slots table */
.table-wrap { overflow-x: auto; }
.slots {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  min-width: 580px;
}
.slots thead th {
  text-align: left;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  font-weight: 600;
  padding: 0 14px 12px;
  border-bottom: 1px solid var(--line);
}
.slots th.num, .slots td.num { text-align: right; font-variant-numeric: tabular-nums; }
.slots tbody td {
  padding: 14px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-2);
  vertical-align: middle;
}
.slots tbody tr { transition: background 0.15s; }
.slots tbody tr:hover { background: var(--gold-50); }
.slots tbody tr:last-child td { border-bottom: 0; }
.slot-time { font-weight: 600; color: var(--charcoal); }
.slot-exh { color: var(--ink-2); }
.slot-exh small { display: block; color: var(--muted); font-size: 0.74rem; }

.fillbar {
  width: 110px;
  height: 7px;
  border-radius: 999px;
  background: var(--gold-50);
  overflow: hidden;
}
.fillbar span {
  display: block; height: 100%;
  border-radius: 999px;
  transition: width 0.5s ease;
}
.fillbar.lo span { background: var(--ok); }
.fillbar.mid span { background: var(--warn); }
.fillbar.hi span { background: var(--danger); }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.74rem; font-weight: 500;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
}
.badge.open { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 30%, var(--line)); background: color-mix(in srgb, var(--ok) 7%, var(--wall)); }
.badge.filling { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 32%, var(--line)); background: color-mix(in srgb, var(--warn) 8%, var(--wall)); }
.badge.soldout { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 30%, var(--line)); background: color-mix(in srgb, var(--danger) 7%, var(--wall)); }

/* Foot */
.board-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--muted);
  flex-wrap: wrap;
}
.ghost-btn {
  font: inherit;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--charcoal);
  background: var(--wall);
  border: 1px solid var(--line-2);
  padding: 9px 18px;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: background 0.16s, border-color 0.16s;
}
.ghost-btn:hover { background: var(--gold-50); border-color: var(--gold); }

/* Toast */
.toast-wrap {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 60;
  width: max-content;
  max-width: 92vw;
}
.toast {
  background: var(--charcoal);
  color: var(--paper);
  font-size: 0.86rem;
  padding: 12px 18px;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-md);
  border-left: 3px solid var(--gold);
  animation: toast-in 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}
.toast.out { animation: toast-out 0.26s forwards; }
@keyframes toast-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toast-out { to { opacity: 0; transform: translateY(12px); } }

/* Responsive */
@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .app { padding: 0 16px 48px; }
  .board-title { font-size: 1.85rem; }
  .kpis { grid-template-columns: 1fr 1fr; gap: 12px; }
  .kpi { padding: 14px 16px; }
  .kpi-value { font-size: 1.7rem; }
  .card { padding: 18px 16px; }
  .bars { height: 180px; gap: 5px; }
  .bar-label { font-size: 0.6rem; }
  .range { width: 100%; justify-content: space-between; }
  .range-btn { flex: 1; padding: 7px 6px; text-align: center; }
  .topbar-right { width: 100%; flex-direction: column; align-items: stretch; }
  .who { display: none; }
  .board-foot { flex-direction: column; align-items: flex-start; }
}

(function () {
  "use strict";

  // ---- Toast helper ----
  var toastWrap = document.getElementById("toastWrap");
  function toast(msg) {
    var el = document.createElement("div");
    el.className = "toast";
    el.textContent = msg;
    toastWrap.appendChild(el);
    setTimeout(function () {
      el.classList.add("out");
      setTimeout(function () {
        if (el.parentNode) el.parentNode.removeChild(el);
      }, 280);
    }, 2600);
  }

  var fmtMoney = function (n) {
    return "$" + Math.round(n).toLocaleString("en-US");
  };
  var fmtNum = function (n) {
    return Math.round(n).toLocaleString("en-US");
  };

  // ---- Dataset per range ----
  // Hours the museum is open: 10..17 (last entry 17:00)
  var HOURS = [10, 11, 12, 13, 14, 15, 16, 17];

  var TICKET_TYPES = [
    { key: "adult", name: "General Admission", color: "#1c1b19", share: 0.46 },
    { key: "member", name: "Members", color: "#a98140", share: 0.21 },
    { key: "student", name: "Student / Senior", color: "#876631", share: 0.17 },
    { key: "child", name: "Youth & Child", color: "#3f7d56", share: 0.1 },
    { key: "group", name: "Groups & Tours", color: "#8c857a", share: 0.06 }
  ];

  var EXHIBITIONS = [
    { name: "Permanent Collection", sub: "Galleries 1–14" },
    { name: "Luminous Ground", sub: "Color Field, 1958–74" },
    { name: "Permanent Collection", sub: "Galleries 1–14" },
    { name: "Cast in Bronze", sub: "Rodin & After" },
    { name: "Luminous Ground", sub: "Color Field, 1958–74" },
    { name: "Permanent Collection", sub: "Galleries 1–14" }
  ];

  var RANGES = {
    today: {
      meta: "Today · Saturday, June 15, 2026 · Open 10:00–18:00",
      visitors: 3184,
      revenue: 68420,
      capacity: 71,
      members: 42,
      d: { visitors: 6.2, revenue: 4.1, members: -1.8 },
      // visitor weight per hour (relative)
      hourW: [0.55, 0.82, 1.0, 0.93, 1.12, 0.96, 0.74, 0.48],
      slots: [
        { time: "14:30", sold: 162, cap: 180 },
        { time: "15:00", sold: 174, cap: 180 },
        { time: "15:30", sold: 180, cap: 180 },
        { time: "16:00", sold: 121, cap: 180 },
        { time: "16:30", sold: 88, cap: 180 },
        { time: "17:00", sold: 54, cap: 180 }
      ],
      status: "open"
    },
    "7d": {
      meta: "Last 7 days · Jun 9 – Jun 15, 2026 · Closed Mondays",
      visitors: 18642,
      revenue: 401350,
      capacity: 64,
      members: 287,
      d: { visitors: 3.4, revenue: 5.6, members: 2.2 },
      hourW: [0.62, 0.85, 1.04, 0.9, 1.05, 0.92, 0.7, 0.5],
      slots: [
        { time: "Tue 11:00", sold: 168, cap: 180 },
        { time: "Wed 13:30", sold: 159, cap: 180 },
        { time: "Thu 15:00", sold: 177, cap: 180 },
        { time: "Fri 14:00", sold: 180, cap: 180 },
        { time: "Sat 12:30", sold: 174, cap: 180 },
        { time: "Sun 11:30", sold: 142, cap: 180 }
      ],
      status: "open"
    },
    "30d": {
      meta: "Last 30 days · May 17 – Jun 15, 2026",
      visitors: 74310,
      revenue: 1612780,
      capacity: 58,
      members: 1043,
      d: { visitors: -0.8, revenue: 2.9, members: 4.7 },
      hourW: [0.68, 0.88, 1.0, 0.86, 0.98, 0.9, 0.72, 0.55],
      slots: [
        { time: "Avg 10:30", sold: 132, cap: 180 },
        { time: "Avg 12:00", sold: 156, cap: 180 },
        { time: "Avg 13:30", sold: 161, cap: 180 },
        { time: "Avg 15:00", sold: 149, cap: 180 },
        { time: "Avg 16:30", sold: 108, cap: 180 },
        { time: "Avg 17:00", sold: 71, cap: 180 }
      ],
      status: "open"
    },
    qtr: {
      meta: "Quarter to date · Apr 1 – Jun 15, 2026",
      visitors: 214905,
      revenue: 4738200,
      capacity: 61,
      members: 3119,
      d: { visitors: 8.1, revenue: 9.4, members: 6.3 },
      hourW: [0.66, 0.86, 1.0, 0.88, 1.02, 0.9, 0.71, 0.52],
      slots: [
        { time: "Apr peak", sold: 171, cap: 180 },
        { time: "May peak", sold: 180, cap: 180 },
        { time: "Jun peak", sold: 178, cap: 180 },
        { time: "Weekday avg", sold: 138, cap: 180 },
        { time: "Weekend avg", sold: 166, cap: 180 },
        { time: "Late entry", sold: 64, cap: 180 }
      ],
      status: "open"
    }
  };

  // ---- Render: KPIs ----
  function setDelta(el, pct) {
    var up = pct >= 0;
    el.className = "kpi-delta " + (up ? "up" : "down");
    el.textContent = (up ? "▲ " : "▼ ") + Math.abs(pct).toFixed(1) + "% vs prior";
  }

  function renderKpis(r) {
    document.getElementById("kpiVisitors").textContent = fmtNum(r.visitors);
    document.getElementById("kpiRevenue").textContent = fmtMoney(r.revenue);
    document.getElementById("kpiCapacity").textContent = r.capacity + "%";
    document.getElementById("kpiCapacityBar").style.width = r.capacity + "%";
    document.getElementById("kpiMembers").textContent = fmtNum(r.members);
    setDelta(document.getElementById("kpiVisitorsDelta"), r.d.visitors);
    setDelta(document.getElementById("kpiRevenueDelta"), r.d.revenue);
    setDelta(document.getElementById("kpiMembersDelta"), r.d.members);
  }

  // ---- Render: hourly bar chart ----
  function renderHours(r) {
    var chart = document.getElementById("hoursChart");
    chart.innerHTML = "";
    var wSum = r.hourW.reduce(function (a, b) { return a + b; }, 0);
    var maxW = Math.max.apply(null, r.hourW);
    var peakIdx = r.hourW.indexOf(maxW);

    HOURS.forEach(function (h, i) {
      var w = r.hourW[i];
      var count = Math.round((w / wSum) * r.visitors);
      var pct = (w / maxW) * 100;
      var col = document.createElement("div");
      col.className = "bar-col";

      var bar = document.createElement("div");
      bar.className = "bar" + (i === peakIdx ? " is-peak" : "");
      bar.style.height = "0%";
      var label = (h < 10 ? "0" : "") + h + ":00";
      bar.setAttribute("data-tip", label + " · " + fmtNum(count) + " visitors");
      bar.setAttribute("role", "img");
      bar.setAttribute("aria-label", label + ", " + fmtNum(count) + " visitors");

      var lbl = document.createElement("span");
      lbl.className = "bar-label";
      lbl.textContent = (h % 12 === 0 ? 12 : h % 12) + (h < 12 ? "a" : "p");

      col.appendChild(bar);
      col.appendChild(lbl);
      chart.appendChild(col);

      // animate in
      requestAnimationFrame(function () {
        requestAnimationFrame(function () {
          bar.style.height = pct + "%";
        });
      });
    });

    var peakH = HOURS[peakIdx];
    document.getElementById("hoursPeak").textContent =
      "Peak " + (peakH < 10 ? "0" : "") + peakH + ":00";
  }

  // ---- Render: donut + legend ----
  function renderDonut(r) {
    var donut = document.getElementById("donut");
    document.getElementById("donutTotal").textContent = fmtNum(r.visitors);

    var stops = [];
    var legendEl = document.getElementById("legend");
    legendEl.innerHTML = "";
    var acc = 0;
    TICKET_TYPES.forEach(function (t) {
      var start = acc * 360;
      acc += t.share;
      var end = acc * 360;
      stops.push(t.color + " " + start.toFixed(2) + "deg " + end.toFixed(2) + "deg");

      var count = Math.round(t.share * r.visitors);
      var li = document.createElement("li");
      var sw = document.createElement("span");
      sw.className = "sw";
      sw.style.background = t.color;
      var name = document.createElement("span");
      name.className = "lname";
      name.textContent = t.name;
      var val = document.createElement("span");
      val.className = "lval";
      val.innerHTML = fmtNum(count) + '<span class="lpct">' + Math.round(t.share * 100) + "%</span>";
      li.appendChild(sw);
      li.appendChild(name);
      li.appendChild(val);
      legendEl.appendChild(li);
    });
    donut.style.background = "conic-gradient(" + stops.join(", ") + ")";
  }

  // ---- Render: slots table ----
  function fillClass(pct) {
    if (pct >= 95) return "hi";
    if (pct >= 80) return "mid";
    return "lo";
  }

  function renderSlots(r) {
    var body = document.getElementById("slotsBody");
    body.innerHTML = "";
    document.getElementById("slotsCount").textContent = r.slots.length + " slots";

    r.slots.forEach(function (s, i) {
      var exh = EXHIBITIONS[i % EXHIBITIONS.length];
      var pct = Math.round((s.sold / s.cap) * 100);
      var fc = fillClass(pct);
      var soldOut = s.sold >= s.cap;

      var tr = document.createElement("tr");
      tr.innerHTML =
        '<td><span class="slot-time">' + s.time + "</span></td>" +
        '<td class="slot-exh">' + exh.name + "<small>" + exh.sub + "</small></td>" +
        '<td class="num">' + fmtNum(s.sold) + "</td>" +
        '<td class="num">' + fmtNum(s.cap) + "</td>" +
        "<td>" +
          '<div class="fillbar ' + fc + '" role="img" aria-label="' + pct + ' percent full">' +
          '<span style="width:0%"></span></div>' +
        "</td>" +
        "<td>" +
          (soldOut
            ? '<span class="badge soldout">Sold out</span>'
            : pct >= 80
              ? '<span class="badge filling">Filling · ' + (s.cap - s.sold) + " left</span>"
              : '<span class="badge open">Open · ' + (s.cap - s.sold) + " left</span>") +
        "</td>";
      body.appendChild(tr);

      var bar = tr.querySelector(".fillbar span");
      requestAnimationFrame(function () {
        requestAnimationFrame(function () {
          bar.style.width = pct + "%";
        });
      });
    });
  }

  // ---- Status pill ----
  function renderStatus(r) {
    var pill = document.getElementById("statusPill");
    pill.className = "pill " + (r.status === "open" ? "pill-ok" : "pill-warn");
    pill.innerHTML =
      '<span class="dot"></span> ' + (r.status === "open" ? "Galleries open" : "After hours");
  }

  function pad(n) { return n < 10 ? "0" + n : "" + n; }
  function nowStr() {
    var d = new Date();
    return pad(d.getHours()) + ":" + pad(d.getMinutes());
  }

  // ---- Master render ----
  function render(key) {
    var r = RANGES[key];
    document.getElementById("rangeMeta").textContent = r.meta;
    renderStatus(r);
    renderKpis(r);
    renderHours(r);
    renderDonut(r);
    renderSlots(r);
    document.getElementById("syncTime").textContent = nowStr();
  }

  // ---- Range buttons ----
  var rangeBtns = document.querySelectorAll(".range-btn");
  var rangeLabels = { today: "Today", "7d": "the last 7 days", "30d": "the last 30 days", qtr: "this quarter" };
  rangeBtns.forEach(function (btn) {
    btn.addEventListener("click", function () {
      var key = btn.getAttribute("data-range");
      if (btn.getAttribute("aria-pressed") === "true") return;
      rangeBtns.forEach(function (b) { b.setAttribute("aria-pressed", "false"); });
      btn.setAttribute("aria-pressed", "true");
      render(key);
      toast("Showing figures for " + rangeLabels[key] + ".");
    });
  });

  // ---- Export ----
  document.getElementById("exportBtn").addEventListener("click", function () {
    var active = document.querySelector('.range-btn[aria-pressed="true"]');
    var key = active ? active.getAttribute("data-range") : "today";
    var r = RANGES[key];
    toast(
      "Report queued — " + fmtNum(r.visitors) + " visitors, " + fmtMoney(r.revenue) + " revenue."
    );
    document.getElementById("syncTime").textContent = nowStr();
  });

  // ---- Init ----
  render("today");
})();

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1" />
  <title>Meridian Museum — Attendance &amp; Ticketing</title>
  <link rel="preconnect" href="https://fonts.googleapis.com" />
  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
  <link href="https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@500;600;700&family=Inter:wght@400;500;600&display=swap" rel="stylesheet" />
  <link rel="stylesheet" href="style.css" />
</head>
<body>
  <div class="app">
    <header class="topbar">
      <div class="brand">
        <span class="brand-mark" aria-hidden="true">◈</span>
        <div class="brand-text">
          <span class="brand-name">Meridian Museum of Art</span>
          <span class="brand-sub">Attendance &amp; Ticketing — Operations</span>
        </div>
      </div>
      <div class="topbar-right">
        <div class="range" role="group" aria-label="Date range">
          <button class="range-btn" data-range="today" type="button" aria-pressed="true">Today</button>
          <button class="range-btn" data-range="7d" type="button" aria-pressed="false">7 days</button>
          <button class="range-btn" data-range="30d" type="button" aria-pressed="false">30 days</button>
          <button class="range-btn" data-range="qtr" type="button" aria-pressed="false">Quarter</button>
        </div>
        <div class="who" aria-hidden="true">
          <span class="who-avatar">AV</span>
        </div>
      </div>
    </header>

    <main class="board">
      <div class="board-head">
        <div>
          <h1 class="board-title">Visitor Operations</h1>
          <p class="board-meta" id="rangeMeta">Today · Saturday, June 15, 2026 · Open 10:00–18:00</p>
        </div>
        <span class="pill pill-ok" id="statusPill"><span class="dot"></span> Galleries open</span>
      </div>

      <section class="kpis" aria-label="Key figures">
        <article class="kpi">
          <span class="kpi-label">Visitors</span>
          <strong class="kpi-value" id="kpiVisitors">3,184</strong>
          <span class="kpi-delta up" id="kpiVisitorsDelta">▲ 6.2% vs prior</span>
        </article>
        <article class="kpi">
          <span class="kpi-label">Revenue</span>
          <strong class="kpi-value" id="kpiRevenue">$68,420</strong>
          <span class="kpi-delta up" id="kpiRevenueDelta">▲ 4.1% vs prior</span>
        </article>
        <article class="kpi">
          <span class="kpi-label">Capacity used</span>
          <strong class="kpi-value" id="kpiCapacity">71%</strong>
          <div class="kpi-bar"><span id="kpiCapacityBar" style="width:71%"></span></div>
        </article>
        <article class="kpi">
          <span class="kpi-label">New members</span>
          <strong class="kpi-value" id="kpiMembers">42</strong>
          <span class="kpi-delta down" id="kpiMembersDelta">▼ 1.8% vs prior</span>
        </article>
      </section>

      <div class="grid">
        <section class="card chart-card" aria-labelledby="hoursTitle">
          <div class="card-head">
            <div>
              <h2 class="card-title" id="hoursTitle">Visitors by hour</h2>
              <p class="card-sub" id="hoursSub">Timed-entry admissions across opening hours</p>
            </div>
            <span class="tag" id="hoursPeak">Peak 14:00</span>
          </div>
          <div class="bars" id="hoursChart" role="img" aria-label="Bar chart of visitors by hour"></div>
        </section>

        <section class="card donut-card" aria-labelledby="mixTitle">
          <div class="card-head">
            <h2 class="card-title" id="mixTitle">Ticket-type mix</h2>
          </div>
          <div class="donut-wrap">
            <div class="donut" id="donut" role="img" aria-label="Donut chart of ticket type mix">
              <div class="donut-hole">
                <span class="donut-total" id="donutTotal">3,184</span>
                <span class="donut-cap">admissions</span>
              </div>
            </div>
            <ul class="legend" id="legend"></ul>
          </div>
        </section>
      </div>

      <section class="card slots-card" aria-labelledby="slotsTitle">
        <div class="card-head">
          <div>
            <h2 class="card-title" id="slotsTitle">Upcoming timed-entry slots</h2>
            <p class="card-sub">Permanent collection &amp; <em>Luminous Ground: Color Field Painting, 1958–1974</em></p>
          </div>
          <span class="tag" id="slotsCount">6 slots</span>
        </div>
        <div class="table-wrap">
          <table class="slots">
            <thead>
              <tr>
                <th scope="col">Entry time</th>
                <th scope="col">Exhibition</th>
                <th scope="col" class="num">Sold</th>
                <th scope="col" class="num">Capacity</th>
                <th scope="col">Fill</th>
                <th scope="col">Status</th>
              </tr>
            </thead>
            <tbody id="slotsBody"></tbody>
          </table>
        </div>
      </section>

      <footer class="board-foot">
        <span>Catalog Ref. ATT-2026-0615 · Last sync <span id="syncTime">just now</span></span>
        <button class="ghost-btn" type="button" id="exportBtn">Export day report</button>
      </footer>
    </main>
  </div>

  <div class="toast-wrap" id="toastWrap" aria-live="polite" aria-atomic="true"></div>

  <script src="script.js"></script>
</body>
</html>