/* Fortepak Calculator v1.1 — Cosine theme aligned */

.fp-calc {
  /* Used by scrollIntoView after step changes; themes may set --fp-calc-scroll-margin for sticky headers */
  scroll-margin-top: var(
    --fp-calc-scroll-margin,
    max(1rem, env(safe-area-inset-top, 0px))
  );
  --fp-primary: #15416e;
  --fp-primary-light: #1e5a94;
  /* --fp-accent: #18ba60; */
  /* --fp-accent-dark: #14a352; */
  --fp-accent: #16416e;
  --fp-accent-dark: #15416e;
  --fp-bg: #f1f4f8;
  --fp-surface: #ffffff;
  --fp-border: #dde3ec;
  --fp-text: #333333;
  --fp-muted: #6b7a8c;
  --fp-shadow: 0 12px 40px rgba(21, 65, 110, 0.1);
  --fp-radius: 10px;
  --fp-transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 1024px;
  margin: 0 auto 3rem;
  font-family: inherit;
  color: var(--fp-text);
}

.fp-calc svg {
  width: 1.25em;
  height: 1.25em;
  vertical-align: middle;
}

.fp-calc__tc-warn {
  margin: 0 0 1rem;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  line-height: 1.45;
  color: #7c2d12;
  background: #fff7ed;
  border: 1px solid #fdba74;
  border-radius: var(--fp-radius);
}

.fp-calc__input-readonly[readonly],
.fp-calc .fp-calc__input-readonly[readonly] {
  background: #f4f4f5;
  color: #52525b;
  cursor: not-allowed;
}

/* Hero */
.fp-calc__hero {
  text-align: center;
  margin-bottom: 2rem;
  padding: 2rem 1.5rem;
  background: linear-gradient(
    135deg,
    var(--fp-primary) 0%,
    var(--fp-primary-light) 100%
  );
  border-radius: var(--fp-radius);
  color: #fff;
  box-shadow: var(--fp-shadow);
}

.fp-calc__hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.15);
  padding: 0.35rem 1rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.fp-calc__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 0.5rem;
  font-weight: 700;
  color: #fff;
}

.fp-calc__subtitle {
  margin: 0 auto;
  max-width: 560px;
  opacity: 0.9;
  line-height: 1.6;
  font-size: 0.95rem;
}

/* Wizard nav */
.fp-calc__wizard {
  margin-bottom: 1.75rem;
}

.fp-calc__wizard-list {
  display: flex;
  justify-content: space-between;
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  gap: 0.25rem;
}

.fp-calc__wizard-item {
  flex: 1;
  text-align: center;
  position: relative;
}

.fp-calc__wizard-dot {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin: 0 auto 0.4rem;
  border-radius: 50%;
  background: var(--fp-bg);
  border: 2px solid var(--fp-border);
  color: var(--fp-muted);
  transition: var(--fp-transition);
}

.fp-calc__wizard-dot svg {
  width: 20px;
  height: 20px;
}

.fp-calc__wizard-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--fp-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.fp-calc__wizard-item.is-active .fp-calc__wizard-dot {
  background: var(--fp-accent);
  border-color: var(--fp-accent);
  color: #fff;
  transform: scale(1.08);
  box-shadow: 0 4px 14px #edf6ff;
}

.fp-calc__wizard-item.is-active .fp-calc__wizard-label {
  color: var(--fp-primary);
}

.fp-calc__wizard-item.is-done .fp-calc__wizard-dot {
  background: var(--fp-primary);
  border-color: var(--fp-primary);
  color: #fff;
}

.fp-calc__progress-track {
  height: 4px;
  background: var(--fp-border);
  border-radius: 999px;
  overflow: hidden;
}

.fp-calc__progress-bar {
  height: 100%;
  width: 20%;
  background: linear-gradient(90deg, var(--fp-primary), var(--fp-accent));
  transition: width var(--fp-transition);
}

/* Form shell */
.fp-calc__form {
  background: var(--fp-surface);
  border: 1px solid var(--fp-border);
  border-radius: var(--fp-radius);
  box-shadow: var(--fp-shadow);
  padding: 2rem;
  overflow: hidden;
}

.fp-calc__step {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
  display: none;
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity var(--fp-transition),
    transform var(--fp-transition);
}

.fp-calc__step.is-active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.fp-calc__step-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--fp-primary);
  padding: 0 0 1rem;
  margin: 0 0 1.25rem;
  width: 100%;
  border-bottom: 2px solid var(--fp-accent);
}

.fp-calc__step-title svg {
  width: 26px;
  height: 26px;
  color: var(--fp-accent);
}

.fp-calc__hint {
  font-size: 0.88rem;
  color: var(--fp-muted);
  margin: -0.5rem 0 1.25rem;
  padding: 0.5rem 0.75rem;
  background: var(--fp-bg);
  border-left: 3px solid var(--fp-accent);
  border-radius: 0 4px 4px 0;
}

.fp-calc__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.fp-calc__grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.fp-calc__field--full {
  grid-column: 1 / -1;
}
.mt-20 {
  margin-top: 20px;
}

/* Fields */
.fp-calc__field label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 0.45rem;
  color: var(--fp-primary);
}

.fp-calc__field .required {
  color: #e74c3c;
}

.fp-calc__field input,
.fp-calc__field select {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.8rem 1rem 0.8rem 1rem;
  border: 1.5px solid var(--fp-border);
  border-radius: 10px;
  font-size: 0.95rem;
  background: linear-gradient(180deg, #fff 0%, #fafbfd 100%);
  box-shadow:
    inset 0 1px 2px rgba(255, 255, 255, 0.9),
    0 1px 2px rgba(21, 65, 110, 0.04);
  transition:
    border-color 0.2s,
    box-shadow 0.2s,
    transform 0.15s;
}

.fp-calc__field input:focus,
.fp-calc__field select:focus {
  border-color: var(--fp-accent);
  outline: none;
  box-shadow: 0 0 0 4px #edf6ff;
  transform: translateY(-1px);
}

.fp-calc__field input.fp-calc__readonly {
  background: var(--fp-bg);
  color: var(--fp-muted);
  cursor: default;
  transform: none;
}

.fp-calc__field input.fp-calc__datepicker[readonly] {
  cursor: pointer;
  background: linear-gradient(180deg, #fff 0%, #fafbfd 100%);
  color: var(--fp-text);
}

body .fp-calc .ui-datepicker {
  z-index: 10050 !important;
}

.fp-calc__field input.is-invalid,
.fp-calc__field select.is-invalid {
  border-color: #e74c3c;
  animation: fp-shake 0.4s ease;
}

.fp-calc__field-error {
  margin: 0.4rem 0 0;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #c53030;
  line-height: 1.35;
}

.fp-calc__field--has-error .fp-calc__cards {
  border-radius: 10px;
}

@keyframes fp-shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-4px);
  }
  75% {
    transform: translateX(4px);
  }
}

.fp-calc__field--icon {
  position: relative;
}

.fp-calc__field-icon {
  position: absolute;
  left: 12px;
  top: 2.5rem;
  color: var(--fp-accent);
  pointer-events: none;
  z-index: 1;
}

.fp-calc__field--icon .fp-calc__readonly {
  padding-left: 2.75rem;
}
body .fp-calc__form input,
body .fp-calc__form select {
  border-color: #d8e7ef;
  background: #fff;
}

.fp-calc__form .fp-calc__field--icon input,
.fp-calc__form .fp-calc__field--icon select {
  padding-left: 2.75rem;
}

.fp-calc__help {
  font-size: 0.8rem;
  color: var(--fp-muted);
  margin: 0.35rem 0 0;
}

.fp-calc__help--inline {
  margin-bottom: 0.75rem;
}

/* Custom select */
.fp-calc__select-wrap {
  position: relative;
  border-radius: 10px;
  border: 1.5px solid var(--fp-border);
  background: linear-gradient(180deg, #fff 0%, #fafbfd 100%);
  overflow: hidden;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
}

.fp-calc__select-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--fp-accent);
  pointer-events: none;
  z-index: 1;
}

.fp-calc__select-wrap select {
  padding-left: 2.75rem;
  min-height: 3rem;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2315416e' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
  font-weight: 500;
  color: var(--fp-text);
  border: none;
  border-radius: 0;
  box-shadow: none;
}

.fp-calc__select-wrap--material {
  border-radius: 12px;
  border: 2px solid var(--fp-border);
  background: #edf6ff;
  box-shadow: 0 4px 18px #edf6ff;
  transition: var(--fp-transition);
}

.fp-calc__select-wrap--material:focus-within {
  border-color: var(--fp-accent);
  box-shadow:
    0 0 0 4px #edf6ff,
    0 8px 24px rgba(21, 65, 110, 0.1);
}

.fp-calc__select-wrap--material select {
  border: none;
  border-radius: 10px;
  box-shadow: none;
  background-color: rgba(255, 255, 255, 0.92);
}

.fp-calc__select-wrap--material .fp-calc__select-icon {
  color: var(--fp-primary);
}

.fp-calc__select-wrap--medium:focus-within {
  border-color: var(--fp-accent);
  box-shadow: 0 0 0 4px #edf6ff;
}

.fp-calc__field--material label {
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}

.fp-calc__card--object {
  min-height: 108px;
  padding: 1.25rem 1rem;
  border-radius: 12px;
}

.fp-calc__card-icon--lg svg,
.fp-calc__card-icon--img {
  width: 50px;
  height: 50px;
  background: #fff;
  padding: 5px;
  border-radius: 50%;
}

.fp-calc__cards--object {
  gap: 1rem;
}

.fp-calc__step--values .fp-calc__grid {
  background: rgba(241, 244, 248, 0.95);
  border: 1px solid var(--fp-border);
  border-radius: 12px;
  padding: 1.3rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.fp-calc__step--values .fp-calc__field label {
  color: var(--fp-primary-light);
}

/* Choice cards */
.fp-calc__cards {
  display: grid;
  gap: 0.75rem;
}

.fp-calc__cards--2 {
  grid-template-columns: repeat(2, 1fr);
}
.fp-calc__cards--3 {
  grid-template-columns: repeat(3, 1fr);
}

.fp-calc__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.1rem 0.75rem;
  border: 2px solid var(--fp-border);
  border-radius: 8px;
  background: var(--fp-surface);
  cursor: pointer;
  transition: var(--fp-transition);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--fp-text);
  min-height: 80px;
}

.fp-calc__card:hover {
  border-color: var(--fp-accent);
  background: #edf6ff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(21, 65, 110, 0.08);
}

.fp-calc__card.is-selected {
  border-color: var(--fp-accent);
  background: #edf6ff;
  color: var(--fp-primary);
  box-shadow: 0 4px 16px #edf6ff;
}

.fp-calc__card-icon {
  color: var(--fp-accent);
}

.fp-calc__card-icon svg {
  width: 32px;
  height: 32px;
}

.fp-calc__card--compact {
  min-height: 52px;
  padding: 0.65rem;
}

/* Rich option cards (material / medium) */
.fp-calc__card--rich {
  align-items: flex-start;
  justify-content: flex-start;
  text-align: left;
  min-height: auto;
  padding: 1rem 1.1rem;
  gap: 0.35rem;
}

.fp-calc__card-desc {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--fp-muted);
  line-height: 1.4;
  margin-top: 0.15rem;
}

.fp-calc__cards--material,
.fp-calc__cards--medium {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.fp-calc__cards--stack-sm {
  gap: 0.75rem;
}

.fp-calc__material-placeholder {
  margin: 0;
  padding: 1.1rem 1rem;
  color: var(--fp-muted);
  font-size: 0.9rem;
  text-align: center;
  grid-column: 1 / -1;
  background: var(--fp-bg);
  border-radius: 10px;
  border: 1.5px dashed var(--fp-border);
}

.fp-calc__card--material-item .fp-calc__card-icon {
  align-self: flex-start;
}

/* Results */
.fp-calc__loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 3rem 1rem;
  color: var(--fp-muted);
}

.fp-calc__spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--fp-border);
  border-top-color: var(--fp-accent);
  border-radius: 50%;
  animation: fp-spin 0.8s linear infinite;
}

@keyframes fp-spin {
  to {
    transform: rotate(360deg);
  }
}

.fp-calc__results-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: linear-gradient(
    135deg,
    var(--fp-primary),
    var(--fp-primary-light)
  );
  border-radius: 8px;
  color: #fff;
  margin-bottom: 1.5rem;
}

.fp-calc__results-banner h3 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
  color: #fff;
}
.fp-calc__results-banner p {
  color: #fff;
}

.fp-calc__product {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  color: #fff;
  font-size: 0.95rem;
}

.fp-calc__product-meta {
  font-weight: 500;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.35;
}

.fp-calc__results-badge {
  width: 48px;
  height: 48px;
  background: var(--fp-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.fp-calc__results-badge svg {
  width: 28px;
  height: 28px;
}

.fp-calc__results-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.fp-calc__metrics {
  margin: 0;
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr 1fr;
}

.fp-calc__metrics .fp-calc__metric-label {
  font-size: 12px;
  line-height: 1.4;
  color: var(--fp-muted);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 5px;
}
.fp-calc__metrics .fp-calc__metric-item {
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--fp-border);
}
.fp-calc__metrics .fp-calc__metric-item:last-child {
  border-bottom: none;
}

.fp-calc__metrics .fp-calc__metric-value {
  margin-bottom: 5px;
  font-size: 16px;
  font-weight: 700;
  color: var(--fp-primary);
}

.fp-calc__metrics .fp-calc__metric-value.highlight {
  color: var(--fp-accent);
  font-size: 1.35rem;
  border-left-color: var(--fp-accent);
  background: #edf6ff;
}

.fp-calc__diagram {
  background: var(--fp-bg);
  border-radius: 8px;
  padding: 0.5rem;
  border: 1px solid var(--fp-border);
  max-height: 78vh;
  overflow-y: auto;
}

.fp-calc__diagram svg {
  width: 100%;
  height: auto;
}
.fp-download-pdf-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
}
#fp-download-pdf {
  margin: auto;
  margin-top: 20px;
}

.fp-calc__pdf-actions {
  text-align: center;
  padding: 1rem 0;
}

.fp-calc__success {
  text-align: center;
  padding: 2rem 1.5rem;
  background: rgba(24, 186, 96, 0.08);
  border-radius: 8px;
  border: 1px solid rgba(24, 186, 96, 0.3);
}

.fp-calc__success svg {
  width: 56px;
  height: 56px;
  color: var(--fp-accent);
  margin-bottom: 0.75rem;
}

/* Buttons */
.fp-calc__nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--fp-border);
  gap: 1rem;
}

.fp-calc__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem !important;
  border-radius: 8px !important;
  font-weight: 600 !important;
  font-size: 0.95rem !important;
  cursor: pointer;
  transition: var(--fp-transition);
  border: none !important;
  text-decoration: none !important;
  font-family: inherit;
}

.fp-calc__btn--lg {
  padding: 1rem 2rem !important;
  font-size: 1rem !important;
}

.fp-calc__btn--primary {
  background: var(--fp-accent) !important;
  color: #fff !important;
  box-shadow: 0 4px 14px #edf6ff;
}

.fp-calc__btn--primary:hover {
  background: var(--fp-accent-dark) !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px #edf6ff;
}

.fp-calc__btn--primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.fp-calc__btn--ghost {
  background: transparent !important;
  color: var(--fp-primary) !important;
  border: 1.5px solid var(--fp-border) !important;
}

.fp-calc__btn--ghost:hover {
  border-color: var(--fp-primary) !important;
  background: var(--fp-bg) !important;
}

.fp-calc__errors {
  background: #fdecea;
  border: 1px solid #e74c3c;
  color: #c0392b;
  padding: 0.85rem 1rem;
  border-radius: 8px;
  margin-top: 1rem;
  font-size: 0.9rem;
}

.fp-calc__field--conditional {
  margin-top: 0.75rem;
}

.fp-calc__dewpoint {
  margin-top: 0.25rem;
  padding: 0.85rem 1rem;
  background: #e1e9f5;
  border: 1px solid var(--fp-border);
  border-radius: var(--fp-radius);
}

.fp-calc__dewpoint-label {
  margin: 0 0 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--fp-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.fp-calc__dewpoint-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.fp-calc__dewpoint-value {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fp-primary);
}

.fp-calc__icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--fp-border);
  background: var(--fp-surface);
  color: var(--fp-primary);
  cursor: pointer;
  transition: var(--fp-transition);
}

.fp-calc__icon-btn:hover {
  border-color: var(--fp-primary);
  background: #fff;
}

.fp-calc__dewpoint-edit {
  margin-top: 0.75rem;
}

.fp-calc__dewpoint-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.fp-calc__btn--sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .fp-calc__form {
    padding: 1.25rem;
  }

  .fp-calc__wizard-label {
    font-size: 0.6rem;
  }

  .fp-calc__wizard-dot {
    width: 36px;
    height: 36px;
  }

  .fp-calc__grid,
  .fp-calc__grid--2,
  .fp-calc__cards--3,
  .fp-calc__cards--material,
  .fp-calc__cards--medium,
  .fp-calc__results-layout {
    grid-template-columns: 1fr;
  }

  .fp-calc__nav {
    flex-direction: column-reverse;
  }

  .fp-calc__nav .fp-calc__btn {
    width: 100%;
  }
}