Bar Display System

:root {
  --bone: #faf7f1;
  --cream: #f5f0e8;
  --cream-2: #ece4d4;
  --forest: #2d4a3e;
  --forest-d: #1e3329;
  --terracotta: #c1714a;
  --gold: #c9a84c;
  --gold-light: #e6c97a;
  --ink: #2c1a0e;
  --ink-2: #4a3828;
  --warm-gray: #7a6a58;
  --success: #4f7a3a;
  --danger: #b3432a;
  --warning: #d99020;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html,
body {
  height: 100%;
}
body {
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  user-select: none;
}

.bar-top {
  padding: 12px 20px;
  background: var(--forest-d);
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 16px;
  align-items: center;
  border-bottom: 1px solid rgba(250, 247, 241, 0.08);
}
.brand-name {
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -0.005em;
}
.brand-tag {
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-light);
  font-weight: 700;
}
.stats {
  display: flex;
  gap: 18px;
  justify-content: center;
}
.stat {
  font-size: 0.78rem;
  color: rgba(250, 247, 241, 0.6);
}
.stat b {
  color: var(--bone);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  margin-right: 3px;
}
.add {
  background: var(--gold);
  color: var(--ink);
  border: none;
  border-radius: 999px;
  padding: 8px 16px;
  font-family: inherit;
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
}
.add:hover {
  background: var(--gold-light);
}
.clock {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  color: var(--gold);
}

.col {
  flex: 1;
  overflow-y: auto;
  padding: 14px 18px 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 560px;
  margin: 0 auto;
  width: 100%;
}

.ticket {
  background: var(--bone);
  color: var(--ink);
  border-radius: 10px;
  padding: 12px 14px 12px;
  border-left: 4px solid var(--forest);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.3);
  animation: tIn 0.2s ease;
}
@keyframes tIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.ticket.is-warm {
  border-left-color: var(--warning);
}
.ticket.is-hot {
  border-left-color: var(--danger);
  animation: pulse 1.2s ease-in-out infinite;
}
@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(179, 67, 42, 0.4);
  }
  50% {
    box-shadow: 0 0 0 3px rgba(179, 67, 42, 0.18);
  }
}
.ticket header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}
.t-table {
  font-weight: 800;
  font-size: 1rem;
}
.t-age {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  background: var(--cream-2);
  color: var(--ink);
  padding: 3px 9px;
  border-radius: 999px;
}
.ticket.is-warm .t-age {
  background: rgba(217, 144, 32, 0.2);
  color: #8a5a1a;
}
.ticket.is-hot .t-age {
  background: rgba(179, 67, 42, 0.18);
  color: var(--danger);
}

.drinks {
  list-style: none;
  margin-bottom: 8px;
}
.d-row {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: baseline;
  gap: 8px;
  padding: 5px 0;
  border-bottom: 1px dashed rgba(44, 26, 14, 0.1);
  font-size: 0.92rem;
  cursor: pointer;
}
.d-row:last-child {
  border-bottom: none;
}
.d-row.is-done .d-name,
.d-row.is-done .d-qty,
.d-row.is-done .d-flag {
  text-decoration: line-through;
  color: var(--warm-gray);
}
.d-qty {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--terracotta);
}
.d-name {
  font-weight: 600;
}
.d-mods {
  display: block;
  font-size: 0.74rem;
  font-style: italic;
  color: var(--warm-gray);
  margin-top: 1px;
}
.d-flag {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--cream-2);
  color: var(--ink-2);
}

.ticket footer {
  display: flex;
  gap: 6px;
}
.back,
.bump {
  border-radius: 6px;
  padding: 8px 12px;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
}
.back {
  background: var(--cream);
  border-color: rgba(44, 26, 14, 0.12);
  color: var(--ink-2);
  flex: 0 0 auto;
}
.back:hover {
  background: var(--cream-2);
}
.bump {
  flex: 1;
  background: var(--forest);
  color: var(--bone);
}
.bump:hover {
  background: var(--forest-d);
}

const SEED = [
  {
    id: "b-101",
    table: "Table 7 · Lina",
    age: 5 * 60 + 22,
    drinks: [
      { qty: 2, name: "Negroni sbagliato", mod: "extra orange peel", flag: "Up" },
      { qty: 1, name: "Spritz", mod: "less ice", flag: "Less ice" },
    ],
  },
  {
    id: "b-102",
    table: "Bar 2",
    age: 8 * 60 + 41,
    drinks: [
      { qty: 1, name: "Vermut casa", mod: "with olive", flag: "Rocks" },
      { qty: 1, name: "Tinto natural", mod: "" },
    ],
  },
  {
    id: "b-103",
    table: "Table 11 · Marco",
    age: 1 * 60 + 38,
    drinks: [
      { qty: 4, name: "Albariño", mod: "splash sparkling" },
      { qty: 1, name: "Agua mineral", mod: "with lemon" },
    ],
  },
  {
    id: "b-104",
    table: "Take-out",
    age: 30,
    drinks: [
      { qty: 1, name: "Espresso", mod: "double" },
      { qty: 1, name: "Cortado", mod: "" },
    ],
  },
];

const ALL_OPTIONS = [
  { name: "Negroni sbagliato", flag: "Up" },
  { name: "Vermut casa", flag: "Rocks" },
  { name: "Tinto natural", flag: "" },
  { name: "Albariño", flag: "" },
  { name: "Spritz", flag: "Less ice" },
  { name: "Cold brew", flag: "" },
];
const TABLES = ["Table 3", "Table 5", "Bar 1", "Bar 3", "Patio 2"];

let tickets = SEED.map((t) => ({
  ...t,
  createdAt: Date.now() - t.age * 1000,
  doneSet: new Set(),
  bumped: false,
}));

const col = document.getElementById("col");
const tt = document.getElementById("tt");
const statActive = document.getElementById("statActive");
const statAvg = document.getElementById("statAvg");
const statOver = document.getElementById("statOver");
const clockEl = document.getElementById("clock");

function age(t) {
  return (Date.now() - t.createdAt) / 1000;
}
function fmtAge(s) {
  const m = Math.floor(s / 60);
  const ss = Math.floor(s % 60);
  return `${m}:${String(ss).padStart(2, "0")}`;
}
function bucket(s) {
  if (s >= 7 * 60) return "is-hot";
  if (s >= 4 * 60) return "is-warm";
  return "";
}

function render() {
  col.innerHTML = "";
  const live = tickets.filter((t) => !t.bumped);
  live.sort((a, b) => a.createdAt - b.createdAt);
  live.forEach((t) => {
    const node = tt.content.cloneNode(true);
    const art = node.querySelector(".ticket");
    art.dataset.id = t.id;
    const s = age(t);
    const cls = bucket(s);
    if (cls) art.classList.add(cls);
    node.querySelector(".t-table").textContent = t.table;
    node.querySelector(".t-age").textContent = fmtAge(s);
    const ul = node.querySelector(".drinks");
    ul.innerHTML = t.drinks
      .map(
        (d, i) => `<li class="d-row ${t.doneSet.has(i) ? "is-done" : ""}" data-line="${i}">
          <span class="d-qty">${d.qty}×</span>
          <div>
            <span class="d-name">${d.name}</span>
            ${d.mod ? `<span class="d-mods">${d.mod}</span>` : ""}
          </div>
          ${d.flag ? `<span class="d-flag">${d.flag}</span>` : ""}
        </li>`
      )
      .join("");
    col.appendChild(node);
  });

  statActive.textContent = live.length;
  const overCount = live.filter((t) => age(t) >= 7 * 60).length;
  statOver.textContent = overCount;
  const avg = live.length
    ? Math.round(live.reduce((sum, t) => sum + age(t), 0) / live.length / 60)
    : 0;
  statAvg.textContent = avg;
}

function refreshAgesAndStats() {
  const live = tickets.filter((t) => !t.bumped);
  let overCount = 0;
  let totalAge = 0;

  live.forEach((t) => {
    const s = age(t);
    totalAge += s;
    if (s >= 7 * 60) overCount += 1;

    const ticketEl = col.querySelector(`.ticket[data-id="${t.id}"]`);
    if (!ticketEl) return;

    const ageEl = ticketEl.querySelector(".t-age");
    if (ageEl) ageEl.textContent = fmtAge(s);

    ticketEl.classList.remove("is-warm", "is-hot");
    const cls = bucket(s);
    if (cls) ticketEl.classList.add(cls);
  });

  statActive.textContent = live.length;
  statOver.textContent = overCount;
  statAvg.textContent = live.length ? Math.round(totalAge / live.length / 60) : 0;
}

col.addEventListener("click", (e) => {
  const ticket = e.target.closest(".ticket");
  if (!ticket) return;
  const t = tickets.find((x) => x.id === ticket.dataset.id);
  if (!t) return;
  const action = e.target.closest("[data-action]");
  if (action) {
    if (action.dataset.action === "bump") t.bumped = true;
    if (action.dataset.action === "back") {
      t.bumped = false;
      t.createdAt = Date.now() - 2 * 60 * 1000;
      t.doneSet = new Set();
    }
    render();
    return;
  }
  const row = e.target.closest("[data-line]");
  if (row) {
    const i = Number(row.dataset.line);
    if (t.doneSet.has(i)) t.doneSet.delete(i);
    else t.doneSet.add(i);
    render();
  }
});

document.getElementById("add").addEventListener("click", () => {
  const count = 1 + Math.floor(Math.random() * 2);
  const drinks = Array.from({ length: count }, () => {
    const o = ALL_OPTIONS[Math.floor(Math.random() * ALL_OPTIONS.length)];
    return { qty: 1 + Math.floor(Math.random() * 2), name: o.name, mod: "", flag: o.flag };
  });
  tickets.push({
    id: `b-${Date.now()}`,
    table: TABLES[Math.floor(Math.random() * TABLES.length)],
    createdAt: Date.now(),
    doneSet: new Set(),
    bumped: false,
    drinks,
  });
  render();
});

function tickClock() {
  const d = new Date();
  clockEl.textContent = `${String(d.getHours()).padStart(2, "0")}:${String(d.getMinutes()).padStart(2, "0")}`;
}
tickClock();
setInterval(tickClock, 20000);
setInterval(refreshAgesAndStats, 1000);
render();

<!doctype html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <link rel="preconnect" href="https://fonts.googleapis.com" />
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
    <link
      rel="stylesheet"
      href="https://fonts.googleapis.com/css2?family=Inter:wght@500;600;700;800&family=JetBrains+Mono:wght@500;700&display=swap"
    />
    <link rel="stylesheet" href="style.css" />
    <title>Bar · KDS</title>
  </head>
  <body>
    <header class="bar-top">
      <div>
        <p class="brand-name">Casa Olivar</p>
        <p class="brand-tag">Bar · Theo</p>
      </div>
      <div class="stats">
        <span class="stat"><b id="statActive">0</b> open</span>
        <span class="stat"><b id="statAvg">0</b>m avg</span>
        <span class="stat"><b id="statOver">0</b> over</span>
      </div>
      <button class="add" type="button" id="add">+ Drink ticket</button>
      <span class="clock" id="clock">--:--</span>
    </header>
    <main class="col" id="col"></main>
    <template id="tt">
      <article class="ticket">
        <header>
          <p class="t-table"></p>
          <span class="t-age">0:00</span>
        </header>
        <ul class="drinks"></ul>
        <footer>
          <button class="back" data-action="back">↶</button>
          <button class="bump" data-action="bump">Bump · sent ✓</button>
        </footer>
      </article>
    </template>
    <script src="script.js"></script>
  </body>
</html>