.rcalc,
.rcalc * {
  box-sizing: border-box;
}

.rcalc {
  --rcalc-bg: #f8f6f6;
  --rcalc-card: #ffffff;
  --rcalc-ink: #111827;
  --rcalc-muted: #4b5563;
  --rcalc-soft: #f5f3ff;
  --rcalc-accent: #7c3aed;
  --rcalc-accent-dark: #6d28d9;
  --rcalc-border: rgba(148, 163, 184, 0.3);
  --rcalc-shadow: 0 18px 48px rgba(15, 23, 42, 0.08);
  color: var(--rcalc-ink);
  font-family: inherit;
}

.rcalc__shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 34px;
  border: 1px solid var(--rcalc-border);
  border-radius: 32px;
  background:
    radial-gradient(circle at top left, rgba(124, 58, 237, 0.12), transparent 32%),
    var(--rcalc-bg);
  box-shadow: var(--rcalc-shadow);
}

.rcalc__header {
  max-width: 780px;
  margin: 0 auto 26px;
  text-align: center;
}

.rcalc__eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  padding: 7px 12px;
  border: 1px solid rgba(124, 58, 237, 0.16);
  border-radius: 999px;
  background: #fff;
  color: var(--rcalc-accent-dark);
  font-size: 13px;
  font-weight: 850;
}

.rcalc__title {
  margin: 0;
  color: var(--rcalc-ink);
  font-size: clamp(32px, 4.4vw, 52px);
  line-height: 1.04;
  letter-spacing: -0.045em;
  font-weight: 950;
}

.rcalc__intro {
  margin: 14px auto 0;
  color: var(--rcalc-muted);
  font-size: 17px;
  line-height: 1.7;
}

.rcalc__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
  gap: 20px;
  align-items: stretch;
}

.rcalc__panel {
  border: 1px solid var(--rcalc-border);
  border-radius: 26px;
  background: var(--rcalc-card);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.045);
}

.rcalc__controls,
.rcalc__results,
.rcalc__timing {
  padding: 24px;
}

.rcalc__field {
  margin-bottom: 18px;
}

.rcalc__label {
  display: block;
  margin-bottom: 8px;
  color: var(--rcalc-ink);
  font-size: 14px;
  font-weight: 900;
}

.rcalc__number-row {
  display: grid;
  grid-template-columns: 48px 1fr 48px;
  gap: 10px;
}

.rcalc__input,
.rcalc__select {
  width: 100%;
  min-height: 48px;
  border: 1px solid #d8dee9;
  border-radius: 15px;
  background: #fff;
  color: var(--rcalc-ink);
  font: inherit;
  font-weight: 850;
}

.rcalc__input {
  padding: 10px 14px;
  text-align: center;
  font-size: 24px;
  letter-spacing: -0.03em;
}

.rcalc__select {
  padding: 10px 12px;
  font-size: 15px;
}

.rcalc__input:focus,
.rcalc__select:focus,
.rcalc button:focus-visible,
.rcalc a:focus-visible {
  outline: 3px solid rgba(124, 58, 237, 0.22);
  outline-offset: 3px;
}

.rcalc__help {
  margin: 8px 0 0;
  color: #64748b;
  font-size: 13px;
  line-height: 1.5;
}

.rcalc__step,
.rcalc__preset-row button,
.rcalc__tap,
.rcalc__ghost,
.rcalc__action,
.rcalc__small-copy {
  border: 0;
  cursor: pointer;
  font: inherit;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease, opacity 0.16s ease;
}

.rcalc__step {
  min-height: 48px;
  border-radius: 15px;
  background: var(--rcalc-soft);
  color: var(--rcalc-accent-dark);
  font-size: 24px;
  font-weight: 950;
}

.rcalc__step:hover,
.rcalc__preset-row button:hover,
.rcalc__ghost:hover,
.rcalc__small-copy:hover,
.rcalc__action:hover {
  transform: translateY(-1px);
}

.rcalc__two-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.rcalc__preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0 18px;
}

.rcalc__preset-row button {
  padding: 9px 11px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #e2e8f0;
  color: #334155;
  font-size: 13px;
  font-weight: 900;
}

.rcalc__tap-box {
  padding: 16px;
  border-radius: 20px;
  background: #111827;
  color: #fff;
}

.rcalc__tap {
  width: 100%;
  min-height: 58px;
  border-radius: 17px;
  background: var(--rcalc-accent);
  color: #fff;
  font-size: 18px;
  font-weight: 950;
  box-shadow: 0 14px 28px rgba(124, 58, 237, 0.25);
}

.rcalc__tap:hover {
  background: var(--rcalc-accent-dark);
  transform: translateY(-1px);
}

.rcalc__tap-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin: 12px 0;
  color: #cbd5e1;
  font-size: 13px;
  font-weight: 800;
}

.rcalc__tap-meta strong {
  color: #fff;
}

.rcalc__ghost {
  width: 100%;
  min-height: 42px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 14px;
  font-weight: 900;
}

.rcalc__ghost:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.rcalc__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.rcalc__action,
.rcalc__small-copy {
  min-height: 42px;
  padding: 10px 14px;
  border-radius: 14px;
  background: #eef2ff;
  color: #4338ca;
  font-size: 14px;
  font-weight: 900;
}

.rcalc__action--primary {
  background: var(--rcalc-accent);
  color: #fff;
  box-shadow: 0 12px 24px rgba(124, 58, 237, 0.2);
}

.rcalc__result-main {
  padding: 24px;
  border-radius: 24px;
  background: #111827;
  color: #fff;
}

.rcalc__result-main span {
  display: block;
  margin-bottom: 9px;
  color: #cbd5e1;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.rcalc__result-main strong {
  display: block;
  color: #fff;
  font-size: clamp(42px, 6vw, 64px);
  line-height: 0.95;
  letter-spacing: -0.06em;
  font-weight: 950;
}

.rcalc__result-main p {
  margin: 12px 0 0;
  color: #dbeafe;
  font-size: 14px;
  line-height: 1.6;
}

.rcalc__metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.rcalc__metric {
  padding: 17px;
  border-radius: 20px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
}

.rcalc__metric span {
  display: block;
  margin-bottom: 7px;
  color: #64748b;
  font-size: 13px;
  font-weight: 900;
}

.rcalc__metric strong {
  display: block;
  color: var(--rcalc-ink);
  font-size: 24px;
  line-height: 1;
  letter-spacing: -0.04em;
  font-weight: 950;
}

.rcalc__guidance {
  margin-top: 14px;
  padding: 18px;
  border-radius: 20px;
  background: var(--rcalc-soft);
  border: 1px solid rgba(124, 58, 237, 0.14);
}

.rcalc__guidance strong {
  display: block;
  margin-bottom: 8px;
  color: #3b0764;
  font-size: 17px;
  font-weight: 950;
}

.rcalc__guidance p {
  margin: 0;
  color: #4c1d95;
  font-size: 14px;
  line-height: 1.6;
}

.rcalc__timing {
  margin-top: 20px;
}

.rcalc__section-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
}

.rcalc__section-head strong {
  color: var(--rcalc-ink);
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -0.025em;
  font-weight: 950;
}

.rcalc__table-wrap {
  overflow-x: auto;
  border: 1px solid #e2e8f0;
  border-radius: 18px;
}

.rcalc__table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
}

.rcalc__table th,
.rcalc__table td {
  padding: 13px 14px;
  border-bottom: 1px solid #e2e8f0;
  text-align: left;
  color: #334155;
  font-size: 14px;
  line-height: 1.45;
}

.rcalc__table th {
  background: var(--rcalc-soft);
  color: #4c1d95;
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.rcalc__table tr:last-child td {
  border-bottom: 0;
}

.rcalc__insights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.rcalc__insights article {
  padding: 18px;
  border: 1px solid var(--rcalc-border);
  border-radius: 20px;
  background: #fff;
}

.rcalc__insights span {
  display: block;
  margin-bottom: 7px;
  color: var(--rcalc-ink);
  font-weight: 950;
}

.rcalc__insights p {
  margin: 0;
  color: var(--rcalc-muted);
  font-size: 14px;
  line-height: 1.6;
}

.rcalc__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.rcalc__links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid rgba(124, 58, 237, 0.16);
  border-radius: 999px;
  background: #fff;
  color: var(--rcalc-accent-dark);
  text-decoration: none;
  font-size: 13px;
  font-weight: 900;
}

.rcalc__links a:hover,
.rcalc__links a:focus {
  color: #5b21b6;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.rcalc__privacy {
  margin: 18px 0 0;
  padding: 14px 16px;
  border: 1px solid rgba(16, 185, 129, 0.18);
  border-radius: 18px;
  background: #ecfdf5;
  color: #047857;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.55;
}

@media (max-width: 900px) {
  .rcalc__shell {
    padding: 24px;
  }

  .rcalc__grid,
  .rcalc__insights {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .rcalc__shell {
    padding: 18px;
    border-radius: 24px;
  }

  .rcalc__header {
    text-align: left;
  }

  .rcalc__controls,
  .rcalc__results,
  .rcalc__timing {
    padding: 18px;
    border-radius: 20px;
  }

  .rcalc__two-fields,
  .rcalc__metric-grid {
    grid-template-columns: 1fr;
  }

  .rcalc__actions {
    flex-direction: column;
  }

  .rcalc__action,
  .rcalc__small-copy {
    width: 100%;
  }

  .rcalc__section-head {
    align-items: stretch;
    flex-direction: column;
  }
}