.glass-calculator {
  --glass-amber: #f4a100;
  --glass-amber-dark: #a85d00;
  --glass-cream: #fff6df;
  --glass-ink: #2e2416;
  --glass-border: #e7c989;
  --glass-shadow: 0 18px 40px rgba(110, 72, 12, 0.15);
  color: var(--glass-ink);
}

.glass-calculator * {
  box-sizing: border-box;
}

.glass-calculator__hero {
  display: grid;
  gap: 16px;
  padding: 16px 18px;
  border-radius: 20px;
  background: linear-gradient(135deg, #fff4d8 0%, #ffd37d 100%);
  box-shadow: var(--glass-shadow);
}

.glass-calculator__eyebrow,
.glass-card__label,
.glass-sidebar-card__label {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 12px;
  font-weight: 800;
  color: var(--glass-amber-dark);
}

.glass-calculator__hero h3,
.glass-card h4,
.glass-sidebar-card h4 {
  margin: 0 0 10px;
}

.glass-calculator__hero h3 {
  font-size: 28px;
  line-height: 1.1;
}

.glass-calculator__intro {
  margin: 0;
  font-size: 15px;
}

.glass-calculator__intro,
.glass-card p,
.glass-sidebar-card p,
.glass-sidebar-card li,
.glass-choice-card small,
.glass-field span,
.glass-simple-summary {
  line-height: 1.5;
}

.glass-calculator__hint {
  display: grid;
  gap: 6px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(168, 93, 0, 0.15);
}

.glass-calculator__notice {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 16px;
  font-weight: 700;
}

.glass-calculator__notice--error {
  background: #fff0ee;
  color: #a33222;
  border: 1px solid #f3b6ae;
}

.glass-calculator__layout {
  display: grid;
  gap: 20px;
  margin-top: 20px;
}

.glass-mode-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 18px;
}

.glass-mode-switch__button {
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  background: #fff;
  color: var(--glass-ink);
  font-weight: 800;
  padding: 14px 18px;
  transition: 0.2s ease;
}

.glass-mode-switch__button.is-active {
  background: linear-gradient(135deg, #ffbc3d 0%, #f08d00 100%);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 12px 24px rgba(240, 141, 0, 0.28);
}

.glass-mode-panel {
  display: none;
}

.glass-mode-panel.is-active {
  display: block;
}

.glass-step {
  display: none;
}

.glass-step.is-active {
  display: block;
}

.glass-card,
.glass-sidebar-card {
  padding: 20px;
  border-radius: 24px;
  background: #fff;
  border: 1px solid #f1dfb3;
  box-shadow: var(--glass-shadow);
}

.glass-card--advanced-head,
.glass-card--submit {
  margin-bottom: 16px;
}

.glass-card--advanced-head h4 {
  margin-bottom: 8px;
}

.glass-choice-grid {
  display: grid;
  gap: 12px;
}

.glass-choice-grid--two {
  grid-template-columns: 1fr;
}

.glass-choice-card {
  display: grid;
  gap: 6px;
  padding: 16px;
  border-radius: 18px;
  border: 2px solid #e6d7b4;
  background: #fffdfa;
  cursor: pointer;
  color: var(--glass-ink) !important;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.8);
  transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.glass-choice-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.glass-choice-card:has(input:checked) {
  border-color: #8b4300;
  background: linear-gradient(135deg, #fff1b8 0%, #ffbf3c 100%);
  box-shadow: 0 14px 26px rgba(195, 103, 0, 0.28);
  transform: translateY(-1px);
}

.glass-choice-card:has(input:checked) .glass-choice-card__title,
.glass-choice-card:has(input:checked) small {
  color: #472300;
}

.glass-choice-card:not(:has(input:checked)) {
  opacity: 0.82;
}

.glass-choice-card:hover {
  border-color: #c68a24;
}

.glass-choice-card:has(input:focus-visible) {
  outline: 3px solid rgba(240, 161, 0, 0.28);
  outline-offset: 2px;
}

.glass-choice-card__title {
  font-weight: 800;
  font-size: 18px;
}

.glass-choice-card--compact .glass-choice-card__title {
  font-size: 16px;
}

.glass-step__actions {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
  margin-top: 18px;
}

.glass-step__back {
  border: 1px solid #dcc79d;
  background: #fefaf0;
  color: var(--glass-amber-dark);
  font-weight: 800;
  padding: 14px 22px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.glass-step__back:hover {
  background: #f4a100;
  color: #fff;
}

.glass-dimensions,
.glass-select-grid,
.glass-advanced-grid {
  display: grid;
  gap: 14px;
}

.glass-field {
  display: grid;
  gap: 8px;
  color: var(--glass-ink) !important;
  font-weight: 800 !important;
}

.glass-field span {
  color: var(--glass-ink);
}

.glass-field input[type=number],
.glass-field select {
  width: 100% !important;
  margin: 0 !important;
  padding: 14px 40px 14px 16px !important;
  border-radius: 16px !important;
  border: 1px solid #dcc79d !important;
  background: #fff !important;
  appearance: none !important;
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
}

/* Custom dropdown arrow - force applied */
.glass-field select,
select.select-css {
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  appearance: none !important;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23FFBF25' d='M6 9L1 4h10z'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: right 12px center !important;
  background-size: 12px 12px !important;
}

.glass-review {
  display: grid;
  gap: 12px;
}

.glass-review div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  border-radius: 16px;
  background: var(--glass-cream);
  border: 1px solid #f0ddb0;
}

.glass-review span {
  font-weight: 700;
}

.glass-review strong {
  text-align: right;
}

.glass-simple-summary {
  padding: 14px 16px;
  border-radius: 16px;
  background: #fff3d2;
  border: 1px dashed var(--glass-amber-dark);
  font-weight: 700;
}

.glass-advanced-panel {
  display: none;
  margin-bottom: 16px;
}

.glass-advanced-panel.is-active {
  display: block;
}

.glass-card__intro {
  margin: 0 0 14px;
  color: #6d5330;
}

.glass-toggle {
  display: flex !important;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  color: var(--glass-ink) !important;
}

.glass-toggle input[type=checkbox] {
  width: 20px;
  height: 20px;
  margin: 0;
}

.glass-submit {
  min-width: 180px;
}

.glass-submit--full {
  width: 100%;
}

.glass-sidebar-card ul {
  margin: 0;
  padding-left: 18px;
}

.glass-sidebar-card--link {
  text-align: center;
}

.glass-sidebar-card--link a {
  color: var(--glass-amber-dark);
  font-weight: 800;
  display: inline-block;
}

.btn.glass-next-step,
.btn.glass-submit {
  border-radius: 999px;
  padding: 14px 22px;
  font-weight: 800;
  background: linear-gradient(135deg, #ffbc3d 0%, #ef8f00 100%);
  border: none;
  color: #fff;
}

@media (min-width: 768px) {
  .glass-calculator__layout {
    grid-template-columns: minmax(0, 1.6fr) minmax(220px, 0.55fr);
    align-items: start;
  }

  .glass-choice-grid--two,
  .glass-dimensions,
  .glass-advanced-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .glass-select-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .glass-step__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .glass-calculator__hero {
    gap: 10px;
    padding: 14px;
  }

  .glass-calculator__hero h3 {
    font-size: 22px;
    margin-bottom: 4px;
  }

  .glass-calculator__intro {
    font-size: 14px;
  }

  .glass-calculator__hint {
    gap: 2px;
    padding: 10px 12px;
    font-size: 13px;
  }

  .glass-card,
  .glass-sidebar-card {
    padding: 16px;
    border-radius: 20px;
  }

  .glass-mode-switch {
    margin-bottom: 12px;
  }

  .glass-choice-card {
    padding: 14px;
  }

  .glass-card h4 {
    font-size: 20px;
    margin-bottom: 8px;
  }

  .glass-step__back,
  .btn.glass-next-step,
  .btn.glass-submit {
    width: 100%;
    text-align: center;
  }

  .glass-review div {
    flex-direction: column;
    align-items: flex-start;
  }

  .glass-review strong {
    text-align: left;
  }
}

.placeholder-invisible {
  visibility: hidden;
  pointer-events: none;
}