.zcalc {
  --zc-forest: #0e3b2e;
  --zc-deep: #1e5a44;
  --zc-mid: #2f7a5a;
  --zc-gold: #b78216;
  --zc-cream: #f7f3ec;
  --zc-line: #e2dccf;
  --zc-ink: #232923;
  --zc-muted: #667368;
  --zc-red: #b6424b;
  --zc-blue: #2f6f88;
  --zc-panel: #ffffff;
  color: var(--zc-ink);
  font-family: "Source Sans 3", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.45;
  max-width: 1120px;
  margin: 28px auto;
}

.zcalc * {
  box-sizing: border-box;
}

.zcalc button,
.zcalc input,
.zcalc select {
  font: inherit;
}

.zcalc-shell {
  border: 1px solid var(--zc-line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--zc-panel);
  box-shadow: 0 14px 36px rgba(14, 59, 46, 0.08);
}

.zcalc-hero {
  position: relative;
  background:
    linear-gradient(135deg, rgba(16, 37, 29, 0.96), rgba(24, 65, 49, 0.94)),
    radial-gradient(circle at 88% 18%, rgba(183, 130, 22, 0.22), transparent 34%);
  color: #fff;
  padding: 22px;
  border-bottom: 4px solid var(--zc-gold);
}

.zcalc-hero:after {
  content: "";
  position: absolute;
  right: 24px;
  top: 18px;
  width: 138px;
  height: 138px;
  background: var(--zcalc-emblem) center/cover no-repeat;
  border-radius: 50%;
  opacity: 0.18;
  pointer-events: none;
}

.zcalc-brandrow {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.zcalc-logo-card {
  width: min(260px, 100%);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 8px;
  padding: 8px 12px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.13);
}

.zcalc-logo-card img {
  display: block;
  width: 100%;
  height: auto;
}

.zcalc-heading {
  min-width: 240px;
  flex: 1;
}

.zcalc-kicker {
  color: #e3c36b;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.zcalc-title {
  margin: 6px 0 5px;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.12;
  font-weight: 900;
}

.zcalc-lead {
  margin: 0;
  max-width: 780px;
  color: #dce8e1;
}

.zcalc-tabs {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.zcalc-tab,
.zcalc-mini {
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  padding: 8px 12px;
  cursor: pointer;
}

.zcalc-tab[aria-selected="true"] {
  background: #fff;
  color: #10251d;
}

.zcalc-body {
  padding: 18px;
  background:
    linear-gradient(180deg, rgba(247, 243, 236, 0.96), rgba(247, 243, 236, 0.98)),
    var(--zcalc-emblem) right 20px bottom 20px/190px auto no-repeat;
}

.zcalc-panel {
  background: var(--zc-panel);
  border: 1px solid var(--zc-line);
  border-radius: 8px;
  padding: 16px;
}

.zcalc-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 14px;
}

.zcalc-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.zcalc-field {
  min-width: 0;
}

.zcalc-field label {
  display: block;
  color: var(--zc-muted);
  font-size: 0.84rem;
  font-weight: 800;
  margin-bottom: 5px;
}

.zcalc-field input,
.zcalc-field select {
  width: 100%;
  border: 1px solid var(--zc-line);
  border-radius: 8px;
  background: #fff;
  color: var(--zc-ink);
  padding: 9px 10px;
}

.zcalc-field input:focus,
.zcalc-field select:focus {
  outline: 2px solid rgba(47, 122, 90, 0.22);
  border-color: var(--zc-mid);
}

.zcalc-result {
  display: grid;
  gap: 12px;
}

.zcalc-score {
  border: 1px solid var(--zc-line);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.94), rgba(251, 250, 246, 0.94)),
    var(--zcalc-emblem) right 12px center/80px auto no-repeat;
  padding: 15px;
}

.zcalc-score b {
  display: block;
  color: var(--zc-forest);
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1;
}

.zcalc-score span {
  display: block;
  color: var(--zc-muted);
  margin-top: 6px;
}

.zcalc-bars {
  display: grid;
  gap: 8px;
}

.zcalc-bar {
  display: grid;
  grid-template-columns: 110px 1fr 82px;
  gap: 8px;
  align-items: center;
  font-size: 0.88rem;
}

.zcalc-track {
  height: 10px;
  background: #e7ebe8;
  border-radius: 999px;
  overflow: hidden;
}

.zcalc-track span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--zc-mid), var(--zc-gold), var(--zc-red));
  border-radius: 999px;
}

.zcalc-actions {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.zcalc-actions li {
  border-left: 3px solid var(--zc-gold);
  padding-left: 9px;
  color: var(--zc-muted);
}

.zcalc-note,
.zcalc-sources {
  color: var(--zc-muted);
  font-size: 0.86rem;
}

.zcalc-sources {
  padding: 14px 18px 18px;
  background: #fff;
  border-top: 1px solid var(--zc-line);
}

.zcalc-sources a {
  color: var(--zc-blue);
}

.zcalc-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: #e8f2ec;
  color: var(--zc-forest);
  font-size: 0.76rem;
  font-weight: 800;
  padding: 3px 8px;
  margin: 2px 4px 2px 0;
}

.zcalc-hidden {
  display: none;
}

@media (max-width: 860px) {
  .zcalc-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .zcalc {
    margin: 18px auto;
  }

  .zcalc-hero,
  .zcalc-body {
    padding: 14px;
  }

  .zcalc-hero:after {
    width: 96px;
    height: 96px;
    right: 12px;
    top: 12px;
  }

  .zcalc-logo-card {
    width: 210px;
  }

  .zcalc-fields {
    grid-template-columns: 1fr;
  }

  .zcalc-bar {
    grid-template-columns: 86px 1fr 62px;
  }
}