.buildili-calculator-page {
  background:
    radial-gradient(circle at 12% 0%, rgba(249,192,11,.12), transparent 32%),
    linear-gradient(180deg, var(--buildili-primary), #03101e 42%, #f6f9fc 42%);
}

.buildili-calculator {
  padding: clamp(42px, 6vw, 78px) 0;
}

.buildili-calculator-hero {
  max-width: 880px;
  margin: 0 auto clamp(28px, 4vw, 44px);
  text-align: center;
  color: #fff;
}

.buildili-calculator-hero p {
  margin: 0 0 10px;
  color: var(--buildili-accent);
  font-weight: 900;
}

.buildili-calculator-hero h1 {
  margin: 0;
  color: #fff;
  font-size: clamp(38px, 5vw, 68px);
  line-height: 1.08;
}

.buildili-calculator-hero span {
  display: block;
  max-width: 740px;
  margin: 18px auto 0;
  color: #d9e5f0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.9;
}

.buildili-calculator-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 400px);
  gap: 24px;
  align-items: start;
}

.buildili-calc-workspace {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.buildili-calc-mode-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  padding: 6px;
  border: 1px solid rgba(207,220,233,.95);
  border-radius: var(--buildili-button-radius);
  background: #fff;
  box-shadow: 0 16px 36px rgba(7,21,38,.08);
}

.buildili-calc-mode-switch button {
  min-height: 46px;
  border: 0;
  border-radius: calc(var(--buildili-button-radius) - 4px);
  background: transparent;
  color: #33475b;
  font-family: var(--buildili-body-font);
  font-size: 15px;
  font-weight: 900;
  cursor: pointer;
}

.buildili-calc-mode-switch button.is-active {
  background: var(--buildili-accent);
  color: var(--buildili-text);
  box-shadow: 0 10px 22px rgba(249,192,11,.2);
}

.buildili-calculator-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.buildili-calculator-form[hidden] {
  display: none;
}

.buildili-calc-context-card {
  display: grid;
  grid-column: 1 / -1;
  gap: 16px;
  padding: 18px;
  border: 1px solid rgba(207,220,233,.95);
  border-radius: var(--buildili-radius);
  background: #fff;
  box-shadow: 0 16px 36px rgba(7,21,38,.08);
}

.buildili-calc-context-card-simple {
  border-color: rgba(249,192,11,.52);
}

.buildili-calc-context-heading {
  display: grid;
  gap: 4px;
}

.buildili-calc-context-heading strong {
  color: var(--buildili-text);
  font-size: 20px;
  line-height: 1.25;
}

.buildili-calc-context-heading span {
  color: var(--buildili-muted);
  font-weight: 800;
  line-height: 1.7;
}

.buildili-calc-context-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.buildili-calc-card {
  padding: 18px;
  border: 1px solid rgba(207,220,233,.95);
  border-radius: var(--buildili-radius);
  background: #fff;
  box-shadow: 0 16px 36px rgba(7,21,38,.08);
}

.buildili-calc-card.is-enabled {
  border-color: rgba(249,192,11,.72);
  box-shadow: 0 18px 40px rgba(7,21,38,.1), inset 0 3px 0 var(--buildili-accent);
}

.buildili-calc-toggle {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
  cursor: pointer;
}

.buildili-calc-toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.buildili-calc-switch {
  width: 46px;
  height: 26px;
  border-radius: 999px;
  background: #d8e1ea;
  position: relative;
  transition: background .2s ease;
}

.buildili-calc-switch::after {
  content: "";
  position: absolute;
  top: 4px;
  right: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 3px 8px rgba(7,21,38,.18);
  transition: transform .2s ease;
}

.buildili-calc-toggle input:checked + .buildili-calc-switch {
  background: var(--buildili-accent);
}

.buildili-calc-toggle input:checked + .buildili-calc-switch::after {
  transform: translateX(-20px);
}

.buildili-calc-toggle strong {
  display: block;
  color: var(--buildili-text);
  font-size: 20px;
  line-height: 1.25;
}

.buildili-calc-toggle small {
  display: block;
  margin-top: 4px;
  color: var(--buildili-muted);
  font-weight: 700;
  line-height: 1.6;
}

.buildili-calc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
  opacity: .48;
  transition: opacity .2s ease;
}

.buildili-calc-card.is-enabled .buildili-calc-grid {
  opacity: 1;
}

.buildili-calc-field {
  display: grid;
  gap: 7px;
}

.buildili-calc-field > span,
.buildili-calc-label-text {
  color: #33475b;
  font-size: 13px;
  font-weight: 900;
}

.buildili-calc-label-row {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  width: fit-content;
  max-width: 100%;
}

.buildili-calc-info {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border: 1px solid rgba(15, 36, 58, .28);
  border-radius: 50%;
  color: #0f243a;
  background: #fff;
  font-family: Arial, sans-serif;
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
  cursor: help;
}

.buildili-calc-info:focus {
  outline: 2px solid rgba(249,192,11,.52);
  outline-offset: 2px;
}

.buildili-calc-tooltip {
  position: absolute;
  z-index: 20;
  right: 50%;
  bottom: calc(100% + 8px);
  width: max-content;
  max-width: min(260px, 70vw);
  padding: 9px 11px;
  border: 1px solid rgba(15,36,58,.12);
  border-radius: 8px;
  background: #0b1b2d;
  color: #fff;
  box-shadow: 0 12px 28px rgba(3,16,30,.2);
  font-family: var(--buildili-body-font);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.55;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(50%) translateY(4px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s ease;
}

.buildili-calc-tooltip::after {
  content: "";
  position: absolute;
  right: 50%;
  top: 100%;
  width: 10px;
  height: 10px;
  background: #0b1b2d;
  transform: translate(50%, -5px) rotate(45deg);
}

.buildili-calc-info:hover .buildili-calc-tooltip,
.buildili-calc-info:focus .buildili-calc-tooltip,
.buildili-calc-info:focus-within .buildili-calc-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(50%) translateY(0);
}

.buildili-calc-field small {
  color: var(--buildili-muted);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.5;
}

.buildili-calc-field input,
.buildili-calc-field select {
  width: 100%;
  min-height: 48px;
  padding: 0 12px;
  border: 1px solid #cbd8e5;
  border-radius: var(--buildili-button-radius);
  background: #f8fbfe;
  color: var(--buildili-text);
  font-family: var(--buildili-body-font);
  font-size: 15px;
  font-weight: 800;
}

.buildili-calc-field input:focus,
.buildili-calc-field select:focus {
  outline: 2px solid rgba(249,192,11,.42);
  border-color: #d99d05;
  background: #fff;
}

.buildili-calculator-summary {
  position: sticky;
  top: 112px;
  padding: 24px;
  border: 1px solid rgba(249,192,11,.65);
  border-radius: var(--buildili-radius);
  background: linear-gradient(180deg, #071526, #03101e);
  color: #fff;
  box-shadow: 0 24px 50px rgba(3,16,30,.22);
}

.buildili-calc-summary-label {
  margin: 0 0 8px;
  color: var(--buildili-accent);
  font-weight: 900;
}

.buildili-calculator-summary > strong {
  display: block;
  margin-bottom: 16px;
  color: #fff;
  font-size: clamp(34px, 4vw, 48px);
  line-height: 1.1;
  direction: ltr;
  unicode-bidi: isolate;
  text-align: right;
}

.buildili-calc-summary-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

.buildili-calc-summary-actions button,
.buildili-calc-cta {
  min-height: 46px;
  border: 0;
  border-radius: var(--buildili-button-radius);
  font-family: var(--buildili-body-font);
  font-weight: 900;
  cursor: pointer;
}

.buildili-calc-summary-actions button {
  background: rgba(255,255,255,.1);
  color: #fff;
}

.buildili-calc-summary-actions button:first-child {
  background: var(--buildili-accent);
  color: var(--buildili-text);
}

.buildili-calc-summary-actions button:disabled {
  cursor: not-allowed;
  opacity: .55;
}

.buildili-calculator-summary ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.buildili-calculator-summary li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
  padding: 12px 0;
  border-top: 1px solid rgba(255,255,255,.12);
}

.buildili-calculator-summary li strong,
.buildili-calculator-summary li b {
  color: #fff;
  font-size: 15px;
}

.buildili-calculator-summary li b {
  direction: ltr;
  unicode-bidi: isolate;
  white-space: nowrap;
}

.buildili-calculator-summary li small {
  display: block;
  margin-top: 4px;
  color: #bfd0df;
  font-weight: 700;
  line-height: 1.55;
}

.buildili-calc-empty {
  margin: 12px 0 0;
  color: #c8d8e5;
  font-weight: 800;
}

.buildili-calc-alert {
  display: grid;
  gap: 4px;
  margin: 18px 0;
  padding: 14px;
  border-radius: var(--buildili-button-radius);
  background: rgba(249,192,11,.12);
  color: #f4dfaa;
  font-weight: 800;
  line-height: 1.7;
}

.buildili-calc-alert strong {
  color: var(--buildili-accent);
}

.buildili-calc-cta {
  display: grid;
  place-items: center;
  width: 100%;
  background: var(--buildili-accent);
  color: var(--buildili-text);
  text-decoration: none;
}

@media (max-width: 1080px) {
  .buildili-calculator-layout {
    grid-template-columns: 1fr;
  }

  .buildili-calculator-summary {
    position: static;
    order: -1;
  }
}

@media (max-width: 720px) {
  .buildili-calculator-form,
  .buildili-calc-grid,
  .buildili-calc-context-grid,
  .buildili-calc-summary-actions {
    grid-template-columns: 1fr;
  }

  .buildili-calculator {
    padding-top: 34px;
  }

  .buildili-calculator-hero h1 {
    font-size: 34px;
  }

  .buildili-calculator-summary li {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}