Dental — Cost Estimator

:root {
  --blue: #2563eb;
  --blue-d: #1d4ed8;
  --blue-50: #eff5ff;
  --mint: #34d399;
  --mint-50: #e8fbf3;
  --ink: #0f2740;
  --ink-2: #3a5169;
  --muted: #6b7c90;
  --bg: #f3f8ff;
  --white: #fff;
  --line: rgba(15, 39, 64, 0.10);
  --line-2: rgba(15, 39, 64, 0.18);
  --ok: #22b07d;
  --warn: #d98a2b;
  --danger: #e05252;
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(15, 39, 64, 0.06);
  --shadow-md: 0 10px 30px -12px rgba(15, 39, 64, 0.22);
  --shadow-lg: 0 24px 60px -20px rgba(37, 99, 235, 0.28);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  line-height: 1.5;
  color: var(--ink);
  background:
    radial-gradient(1100px 520px at 80% -10%, var(--blue-50), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, var(--mint-50), transparent 55%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 20px 56px;
}

/* Masthead */
.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.brand { display: flex; align-items: center; gap: 12px; }

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--blue-d));
  box-shadow: var(--shadow-md);
}

.brand-txt { display: flex; flex-direction: column; line-height: 1.2; }
.brand-txt strong { font-size: 1.06rem; font-weight: 800; letter-spacing: -0.01em; }
.brand-txt span { font-size: 0.82rem; color: var(--muted); }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--blue-d);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}
.pill .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px var(--mint-50);
}

/* Layout */
.grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 22px;
  align-items: start;
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
}

/* Picker */
.picker { display: flex; flex-direction: column; gap: 18px; }

.group { padding: 20px 20px 8px; }

.group-head h2 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.group-head p {
  margin: 3px 0 12px;
  font-size: 0.85rem;
  color: var(--muted);
}

.rows { list-style: none; margin: 0; padding: 0; }
.rows li { margin: 0 -20px; }
.rows li + li .row { border-top: 1px solid var(--line); }

.row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  cursor: pointer;
  position: relative;
  transition: background 0.16s ease;
}
.row:hover { background: var(--blue-50); }

.row input {
  position: absolute;
  opacity: 0;
  width: 0; height: 0;
}

.check {
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 8px;
  border: 2px solid var(--line-2);
  background: var(--white);
  display: grid;
  place-items: center;
  transition: border-color 0.16s ease, background 0.16s ease, transform 0.16s ease;
}
.check::after {
  content: "";
  width: 12px;
  height: 7px;
  border-left: 2.4px solid var(--white);
  border-bottom: 2.4px solid var(--white);
  transform: rotate(-45deg) scale(0.4);
  opacity: 0;
  margin-top: -2px;
  transition: opacity 0.14s ease, transform 0.16s ease;
}

.row-body { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.row-name { font-weight: 600; font-size: 0.94rem; }
.row-note { font-size: 0.8rem; color: var(--muted); }

.row-price {
  flex: none;
  font-weight: 700;
  font-size: 0.94rem;
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
}

/* checked state */
.row input:checked ~ .check {
  border-color: var(--blue);
  background: var(--blue);
}
.row input:checked ~ .check::after {
  opacity: 1;
  transform: rotate(-45deg) scale(1);
}
.row.is-on { background: var(--blue-50); }
.row.is-on .row-price { color: var(--blue-d); }

/* focus */
.row input:focus-visible ~ .check {
  outline: 3px solid rgba(37, 99, 235, 0.4);
  outline-offset: 2px;
}

/* Summary */
.summary { position: sticky; top: 22px; }

.summary-card { padding: 22px; }

.summary-title {
  margin: 0 0 2px;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.count-line { margin-bottom: 18px; }
.count-label { font-size: 0.84rem; color: var(--muted); font-weight: 500; }

/* Slider */
.slider-block {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 14px 15px 12px;
  margin-bottom: 18px;
}
.slider-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 10px;
}
.slider-top label { font-size: 0.86rem; font-weight: 600; }
.slider-top output {
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--blue-d);
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue) 0 60%, var(--line) 60% 100%);
  outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--blue);
  box-shadow: var(--shadow-md);
  transition: transform 0.12s ease;
}
input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--blue);
  box-shadow: var(--shadow-md);
  cursor: pointer;
}
input[type="range"]:active::-webkit-slider-thumb { transform: scale(1.12); }
input[type="range"]:focus-visible {
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.35);
}

.slider-hint {
  margin: 9px 0 0;
  font-size: 0.78rem;
  color: var(--muted);
}

/* Totals */
.totals { margin: 0 0 16px; }
.total-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
}
.total-row dt { margin: 0; font-size: 0.9rem; font-weight: 500; }
.total-row dd {
  margin: 0;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-size: 0.98rem;
}
.total-row.muted dt, .total-row.muted dd { color: var(--ok); }
.total-row.grand {
  border-bottom: none;
  padding-top: 14px;
}
.total-row.grand dt { font-weight: 700; font-size: 1rem; }
.total-row.grand dd {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--blue-d);
  letter-spacing: -0.02em;
}

.badge {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 8px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ok);
  background: var(--mint-50);
  border-radius: 999px;
  vertical-align: middle;
}

/* Split bar */
.bar {
  height: 10px;
  border-radius: 999px;
  background: var(--blue-50);
  overflow: hidden;
  margin-bottom: 8px;
}
.bar-fill {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--mint), var(--ok));
  transition: width 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.bar-cap { margin: 0 0 18px; font-size: 0.78rem; color: var(--muted); }

/* Actions */
.actions { display: flex; gap: 10px; }
.btn {
  flex: 1;
  padding: 12px 14px;
  font: inherit;
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.16s ease, background 0.16s ease, border-color 0.16s ease;
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 3px solid rgba(37, 99, 235, 0.4); outline-offset: 2px; }
.btn.primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--blue-d));
  box-shadow: var(--shadow-md);
}
.btn.primary:hover { box-shadow: var(--shadow-lg); }
.btn.ghost {
  color: var(--ink-2);
  background: var(--white);
  border-color: var(--line-2);
}
.btn.ghost:hover { background: var(--blue-50); border-color: var(--blue); color: var(--blue-d); }

.fineprint {
  margin: 14px 0 0;
  font-size: 0.72rem;
  color: var(--muted);
  text-align: center;
}

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translate(-50%, 20px);
  background: var(--ink);
  color: var(--white);
  padding: 12px 18px;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 50;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* Responsive */
@media (max-width: 520px) {
  .wrap { padding: 22px 14px 44px; }
  .masthead { flex-wrap: wrap; }
  .grid { grid-template-columns: 1fr; }
  .summary { position: static; }
  .row { gap: 11px; padding: 13px 20px; }
  .row-price { font-size: 0.9rem; }
  .total-row.grand dd { font-size: 1.35rem; }
}

(function () {
  "use strict";

  var checks = Array.prototype.slice.call(document.querySelectorAll(".tx"));
  var coverage = document.getElementById("coverage");
  var coverageOut = document.getElementById("coverageOut");
  var coverageHint = document.getElementById("coverageHint");
  var subtotalEl = document.getElementById("subtotal");
  var coveredEl = document.getElementById("covered");
  var oopEl = document.getElementById("oop");
  var countLabel = document.getElementById("countLabel");
  var saveBadge = document.getElementById("saveBadge");
  var barFill = document.getElementById("barFill");
  var barCap = document.getElementById("barCap");
  var copyBtn = document.getElementById("copyBtn");
  var resetBtn = document.getElementById("resetBtn");
  var toastEl = document.getElementById("toast");

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

  var hintFor = function (pct) {
    if (pct === 0) return "Paying fully out of pocket";
    if (pct < 40) return "Paying most out of pocket";
    if (pct < 70) return "Shared cost with your plan";
    if (pct < 100) return "Your plan covers the majority";
    return "Fully covered by insurance";
  };

  // Animated count-up for a currency element.
  var anims = new WeakMap();
  function animateTo(el, target, prefixMinus) {
    var start = anims.get(el);
    if (typeof start !== "number") start = 0;
    var from = start;
    var t0 = performance.now();
    var dur = 420;
    function step(now) {
      var p = Math.min(1, (now - t0) / dur);
      var eased = 1 - Math.pow(1 - p, 3);
      var val = from + (target - from) * eased;
      el.textContent = (prefixMinus && target > 0 ? "–" : "") + fmt(val);
      if (p < 1) requestAnimationFrame(step);
      else {
        el.textContent = (prefixMinus && target > 0 ? "–" : "") + fmt(target);
        anims.set(el, target);
      }
    }
    anims.set(el, target);
    requestAnimationFrame(step);
    anims.set(el, target);
    // store the animated running value separately
    anims.set(el, from);
    (function run(now) {
      var p = Math.min(1, (now - t0) / dur);
      var eased = 1 - Math.pow(1 - p, 3);
      var val = from + (target - from) * eased;
      el.textContent = (prefixMinus && target > 0 ? "–" : "") + fmt(val);
      anims.set(el, val);
      if (p < 1) requestAnimationFrame(run);
      else { anims.set(el, target); }
    })(performance.now());
  }

  function selected() {
    return checks.filter(function (c) { return c.checked; });
  }

  function update() {
    var chosen = selected();
    var subtotal = chosen.reduce(function (sum, c) {
      return sum + Number(c.getAttribute("data-price"));
    }, 0);

    var pct = Number(coverage.value);
    var covered = subtotal * (pct / 100);
    var oop = subtotal - covered;

    // slider fill
    coverage.style.background =
      "linear-gradient(90deg, var(--blue) 0 " + pct + "%, var(--line) " + pct + "% 100%)";
    coverageOut.textContent = pct + "%";
    coverageHint.textContent = hintFor(pct);

    // count label
    var n = chosen.length;
    countLabel.textContent = n === 0
      ? "No treatments selected yet"
      : n + (n === 1 ? " treatment" : " treatments") + " selected";

    // numbers
    animateTo(subtotalEl, subtotal, false);
    animateTo(coveredEl, covered, true);
    animateTo(oopEl, oop, false);

    // savings badge
    if (covered >= 1) {
      saveBadge.hidden = false;
      saveBadge.textContent = "–" + fmt(covered);
    } else {
      saveBadge.hidden = true;
    }

    // split bar: portion covered by insurance
    var coverShare = subtotal > 0 ? (covered / subtotal) * 100 : 0;
    barFill.style.width = coverShare + "%";
    if (subtotal === 0) {
      barCap.textContent = "Select treatments to see your split";
    } else if (covered < 1) {
      barCap.textContent = "You pay the full " + fmt(subtotal);
    } else {
      barCap.textContent = "Insurance " + fmt(covered) + " · You pay " + fmt(oop);
    }
  }

  var toastTimer;
  function toast(msg) {
    toastEl.textContent = msg;
    toastEl.classList.add("show");
    clearTimeout(toastTimer);
    toastTimer = setTimeout(function () {
      toastEl.classList.remove("show");
    }, 2200);
  }

  // Toggle row highlight class
  checks.forEach(function (c) {
    c.addEventListener("change", function () {
      var row = c.closest(".row");
      if (row) row.classList.toggle("is-on", c.checked);
      update();
    });
  });

  coverage.addEventListener("input", update);

  resetBtn.addEventListener("click", function () {
    checks.forEach(function (c) {
      c.checked = false;
      var row = c.closest(".row");
      if (row) row.classList.remove("is-on");
    });
    coverage.value = 60;
    update();
    toast("Estimate reset");
  });

  copyBtn.addEventListener("click", function () {
    var chosen = selected();
    if (chosen.length === 0) {
      toast("Select a treatment first");
      return;
    }
    var subtotal = chosen.reduce(function (s, c) { return s + Number(c.getAttribute("data-price")); }, 0);
    var pct = Number(coverage.value);
    var covered = subtotal * (pct / 100);
    var oop = subtotal - covered;

    var lines = ["Brightleaf Dental — estimate", ""];
    chosen.forEach(function (c) {
      lines.push("• " + c.getAttribute("data-name") + " — " + fmt(Number(c.getAttribute("data-price"))));
    });
    lines.push("");
    lines.push("Subtotal: " + fmt(subtotal));
    lines.push("Insurance (" + pct + "%): –" + fmt(covered));
    lines.push("Out of pocket: " + fmt(oop));
    lines.push("");
    lines.push("Illustrative estimate — not a quote.");
    var text = lines.join("\n");

    if (navigator.clipboard && navigator.clipboard.writeText) {
      navigator.clipboard.writeText(text).then(
        function () { toast("Summary copied to clipboard"); },
        function () { toast("Copy the summary manually"); }
      );
    } else {
      toast("Clipboard not available");
    }
  });

  // init
  update();
})();

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1" />
  <title>Dental — Cost Estimator</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=Inter:wght@400;500;600;700;800&display=swap" rel="stylesheet" />
  <link rel="stylesheet" href="style.css" />
</head>
<body>
  <main class="wrap">
    <header class="masthead">
      <div class="brand">
        <span class="brand-mark" aria-hidden="true">
          <svg viewBox="0 0 24 24" width="22" height="22" fill="none" stroke="currentColor" stroke-width="1.9" stroke-linecap="round" stroke-linejoin="round">
            <path d="M12 3c-2.2 0-3 1.3-4.5 1.3S5 3.4 4 4.5C2.7 5.9 3 8.4 3.6 11c.6 2.6 1 5 1.7 6.6.5 1.1 1 2.4 1.9 2.4 1 0 1.2-1.6 1.5-3 .3-1.4.6-2.6 1.3-2.6s1 1.2 1.3 2.6c.3 1.4.5 3 1.5 3 .9 0 1.4-1.3 1.9-2.4.7-1.6 1.1-4 1.7-6.6.6-2.6.9-5.1-.4-6.5C16.5 3.4 16 4.3 14.5 4.3S14.2 3 12 3Z"/>
          </svg>
        </span>
        <div class="brand-txt">
          <strong>Brightleaf Dental</strong>
          <span>Treatment cost estimator</span>
        </div>
      </div>
      <span class="pill">
        <span class="dot" aria-hidden="true"></span>
        Estimate only
      </span>
    </header>

    <div class="grid">
      <!-- LEFT: treatment picker -->
      <section class="picker" aria-label="Choose treatments">
        <div class="card group" data-group="Preventive">
          <div class="group-head">
            <h2>Preventive</h2>
            <p>Routine care to keep things healthy.</p>
          </div>
          <ul class="rows" role="list">
            <li>
              <label class="row">
                <input type="checkbox" class="tx" data-price="95" data-name="Comprehensive exam" />
                <span class="check" aria-hidden="true"></span>
                <span class="row-body">
                  <span class="row-name">Comprehensive exam</span>
                  <span class="row-note">Full check-up with digital charting</span>
                </span>
                <span class="row-price">$95</span>
              </label>
            </li>
            <li>
              <label class="row">
                <input type="checkbox" class="tx" data-price="140" data-name="Cleaning &amp; polish" />
                <span class="check" aria-hidden="true"></span>
                <span class="row-body">
                  <span class="row-name">Cleaning &amp; polish</span>
                  <span class="row-note">Scale, polish and fluoride finish</span>
                </span>
                <span class="row-price">$140</span>
              </label>
            </li>
            <li>
              <label class="row">
                <input type="checkbox" class="tx" data-price="65" data-name="Bitewing X-rays" />
                <span class="check" aria-hidden="true"></span>
                <span class="row-body">
                  <span class="row-name">Bitewing X-rays</span>
                  <span class="row-note">Set of 4 low-dose images</span>
                </span>
                <span class="row-price">$65</span>
              </label>
            </li>
          </ul>
        </div>

        <div class="card group" data-group="Restorative">
          <div class="group-head">
            <h2>Restorative</h2>
            <p>Repair and rebuild damaged teeth.</p>
          </div>
          <ul class="rows" role="list">
            <li>
              <label class="row">
                <input type="checkbox" class="tx" data-price="220" data-name="Composite filling" />
                <span class="check" aria-hidden="true"></span>
                <span class="row-body">
                  <span class="row-name">Composite filling</span>
                  <span class="row-note">Tooth-colored, single surface</span>
                </span>
                <span class="row-price">$220</span>
              </label>
            </li>
            <li>
              <label class="row">
                <input type="checkbox" class="tx" data-price="1150" data-name="Porcelain crown" />
                <span class="check" aria-hidden="true"></span>
                <span class="row-body">
                  <span class="row-name">Porcelain crown</span>
                  <span class="row-note">Custom-milled, shade matched</span>
                </span>
                <span class="row-price">$1,150</span>
              </label>
            </li>
            <li>
              <label class="row">
                <input type="checkbox" class="tx" data-price="890" data-name="Root canal (molar)" />
                <span class="check" aria-hidden="true"></span>
                <span class="row-body">
                  <span class="row-name">Root canal (molar)</span>
                  <span class="row-note">Includes temporary filling</span>
                </span>
                <span class="row-price">$890</span>
              </label>
            </li>
          </ul>
        </div>

        <div class="card group" data-group="Cosmetic">
          <div class="group-head">
            <h2>Cosmetic</h2>
            <p>Elective treatments for a brighter smile.</p>
          </div>
          <ul class="rows" role="list">
            <li>
              <label class="row">
                <input type="checkbox" class="tx" data-price="380" data-name="In-office whitening" />
                <span class="check" aria-hidden="true"></span>
                <span class="row-body">
                  <span class="row-name">In-office whitening</span>
                  <span class="row-note">Single 60-minute session</span>
                </span>
                <span class="row-price">$380</span>
              </label>
            </li>
            <li>
              <label class="row">
                <input type="checkbox" class="tx" data-price="1250" data-name="Porcelain veneer" />
                <span class="check" aria-hidden="true"></span>
                <span class="row-body">
                  <span class="row-name">Porcelain veneer</span>
                  <span class="row-note">Per tooth, hand-layered</span>
                </span>
                <span class="row-price">$1,250</span>
              </label>
            </li>
            <li>
              <label class="row">
                <input type="checkbox" class="tx" data-price="260" data-name="Cosmetic bonding" />
                <span class="check" aria-hidden="true"></span>
                <span class="row-body">
                  <span class="row-name">Cosmetic bonding</span>
                  <span class="row-note">Chip &amp; gap repair, per tooth</span>
                </span>
                <span class="row-price">$260</span>
              </label>
            </li>
          </ul>
        </div>
      </section>

      <!-- RIGHT: live summary -->
      <aside class="summary" aria-label="Estimate summary">
        <div class="card summary-card">
          <h2 class="summary-title">Your estimate</h2>

          <div class="count-line">
            <span class="count-label" id="countLabel">0 treatments selected</span>
          </div>

          <div class="slider-block">
            <div class="slider-top">
              <label for="coverage">Insurance coverage</label>
              <output id="coverageOut" for="coverage">60%</output>
            </div>
            <input type="range" id="coverage" min="0" max="100" step="5" value="60"
                   aria-describedby="coverageHint" />
            <p class="slider-hint" id="coverageHint">Paying most out of pocket</p>
          </div>

          <dl class="totals">
            <div class="total-row">
              <dt>Plan subtotal</dt>
              <dd id="subtotal">$0</dd>
            </div>
            <div class="total-row muted">
              <dt>Insurance covers <span class="badge" id="saveBadge" hidden>–$0</span></dt>
              <dd id="covered">–$0</dd>
            </div>
            <div class="total-row grand">
              <dt>Out of pocket</dt>
              <dd id="oop">$0</dd>
            </div>
          </dl>

          <div class="bar" aria-hidden="true">
            <span class="bar-fill" id="barFill" style="width:0%"></span>
          </div>
          <p class="bar-cap"><span id="barCap">Select treatments to see your split</span></p>

          <div class="actions">
            <button type="button" class="btn primary" id="copyBtn">Copy summary</button>
            <button type="button" class="btn ghost" id="resetBtn">Reset</button>
          </div>

          <p class="fineprint">Figures are illustrative estimates and not a quote.</p>
        </div>
      </aside>
    </div>
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