@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css');

.how-long-page {
  position: relative;
  width: 100%;
  color: #172033;
  background: linear-gradient(180deg, #ffffff 0%, #f7f9fc 100%);
  font-family: Arial, Helvetica, sans-serif;
  overflow-x: hidden;
}

.how-long-page .how-long-page__inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.how-long-page .how-long-page__header {
  text-align: center;
}

.how-long-page .how-long-page__title {
  margin: 0;
  color: #111827;
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: 0;
}

.how-long-page .how-long-page__subtitle {
  max-width: 680px;
  margin: 14px auto 0;
  color: #536173;
  line-height: 1.6;
}

.how-long-page .how-long-page__tool {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid #dfe7f2;
  border-radius: 24px;
  box-shadow: 0 22px 60px rgba(15, 23, 42, 0.11);
}

.how-long-page .how-long-page__tool-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid #e8eef7;
}

.how-long-page .how-long-page__tool-title {
  margin: 0;
  color: #172033;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0;
}

.how-long-page .how-long-page__tool-note {
  margin: 7px 0 0;
  color: #66758a;
  font-size: 14px;
}

.how-long-page .how-long-page__zone {
  flex: 0 0 auto;
  padding: 10px 12px;
  border: 1px solid #dbe5f1;
  border-radius: 14px;
  background: #f8fbff;
  text-align: right;
}

.how-long-page .how-long-page__zone-label,
.how-long-page .how-long-page__detail-label,
.how-long-page .how-long-page__label {
  display: block;
  color: #607086;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.3;
  text-transform: uppercase;
}

.how-long-page .how-long-page__zone-value {
  display: block;
  margin-top: 4px;
  color: #1f2a44;
  font-size: 14px;
  font-weight: 700;
}

.how-long-page .how-long-page__countdown {
  display: grid;
}

.how-long-page .how-long-page__unit {
  position: relative;
  overflow: hidden;
  min-width: 0;
  border: 1px solid #dfe7f2;
  border-radius: 18px;
  background: linear-gradient(145deg, #ffffff 0%, #f7faff 68%, #eef4ff 100%);
  box-shadow: 0 12px 28px rgba(29, 53, 87, 0.08);
  text-align: center;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.how-long-page .how-long-page__unit::before {
  content: "";
  position: absolute;
  top: 0;
  left: 18%;
  right: 18%;
  height: 3px;
  border-radius: 0 0 999px 999px;
  background: linear-gradient(90deg, #2563eb, #4f46e5);
}

.how-long-page .how-long-page__unit:hover {
  transform: translateY(-2px);
  border-color: #c8d7ec;
  box-shadow: 0 16px 34px rgba(29, 53, 87, 0.12);
}

.how-long-page .how-long-page__number {
  display: block;
  color: #101827;
  font-weight: 850;
  line-height: 1;
  letter-spacing: 0;
  transition: opacity 160ms ease;
}

.how-long-page .how-long-page__number.is-changing {
  opacity: 0.72;
}

.how-long-page .how-long-page__unit-label {
  display: block;
  color: #516176;
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1.25;
  text-transform: uppercase;
}

.how-long-page .how-long-page__details {
  display: grid;
}

.how-long-page .how-long-page__detail {
  min-width: 0;
  padding: 14px;
  border: 1px solid #e0e8f3;
  border-radius: 16px;
  background: #fbfdff;
}

.how-long-page .how-long-page__detail-value {
  display: block;
  margin-top: 6px;
  color: #182235;
  font-weight: 750;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.how-long-page .how-long-page__controls,
.how-long-page .how-long-page__actions {
  display: flex;
}

.how-long-page .how-long-page__field {
  min-width: 0;
}

.how-long-page .how-long-page__input,
.how-long-page .how-long-page__readonly {
  width: 100%;
  min-height: 46px;
  box-sizing: border-box;
  margin-top: 8px;
  border: 1px solid #cfdbea;
  border-radius: 13px;
  background: #ffffff;
  color: #172033;
  font: inherit;
  font-size: 15px;
}

.how-long-page .how-long-page__input {
  padding: 10px 12px;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.how-long-page .how-long-page__readonly {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  color: #47566b;
  background: #f8fbff;
  overflow-wrap: anywhere;
}

.how-long-page .how-long-page__input:focus {
  border-color: #315fdc;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.13);
  outline: none;
}

.how-long-page .how-long-page__button {
  appearance: none;
  border: 1px solid #cfdbea;
  border-radius: 13px;
  background: #ffffff;
  color: #1f2a44;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.how-long-page .how-long-page__button:hover {
  transform: translateY(-1px);
  border-color: #b9c9df;
  background: #f8fbff;
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.08);
}

.how-long-page .how-long-page__button:focus-visible {
  outline: none;
  border-color: #315fdc;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.16);
}

.how-long-page .how-long-page__button--primary,
.how-long-page .how-long-page__button--copy {
  border-color: #244fc7;
  background: linear-gradient(135deg, #2563eb 0%, #4338ca 100%);
  color: #ffffff;
}

.how-long-page .how-long-page__button--primary:hover,
.how-long-page .how-long-page__button--copy:hover {
  border-color: #1d43ad;
  background: linear-gradient(135deg, #1d4ed8 0%, #3730a3 100%);
}

.how-long-page .how-long-page__status {
  margin: 0;
  color: #46576d;
  line-height: 1.5;
}

.how-long-page .how-long-page__status.is-error {
  color: #b42318;
}

.how-long-page .how-long-page__status.is-complete {
  color: #166534;
  font-weight: 800;
}

@media (min-width: 320px) and (max-width: 374px) {
  .how-long-page .how-long-page__inner {
    padding: 28px 12px;
    box-sizing: border-box;
  }

  .how-long-page .how-long-page__title {
    font-size: 31px;
  }

  .how-long-page .how-long-page__subtitle {
    font-size: 15px;
  }

  .how-long-page .how-long-page__tool {
    margin-top: 24px;
    padding: 16px;
  }

  .how-long-page .how-long-page__tool-head {
    flex-direction: column;
    padding-bottom: 16px;
  }

  .how-long-page .how-long-page__tool-title {
    font-size: 20px;
  }

  .how-long-page .how-long-page__zone {
    width: 100%;
    box-sizing: border-box;
    text-align: left;
  }

  .how-long-page .how-long-page__countdown {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 16px;
  }

  .how-long-page .how-long-page__unit {
    padding: 18px 8px;
  }

  .how-long-page .how-long-page__number {
    font-size: 34px;
  }

  .how-long-page .how-long-page__unit-label {
    margin-top: 8px;
    font-size: 10px;
  }

  .how-long-page .how-long-page__details {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 16px;
  }

  .how-long-page .how-long-page__controls,
  .how-long-page .how-long-page__actions {
    flex-direction: column;
    gap: 10px;
    margin-top: 16px;
  }

  .how-long-page .how-long-page__button {
    width: 100%;
    min-height: 46px;
    padding: 12px 14px;
    font-size: 14px;
  }

  .how-long-page .how-long-page__status {
    margin-top: 14px;
    font-size: 14px;
  }
}

@media (min-width: 375px) and (max-width: 429px) {
  .how-long-page .how-long-page__inner {
    padding: 34px 16px;
    box-sizing: border-box;
  }

  .how-long-page .how-long-page__title {
    font-size: 36px;
  }

  .how-long-page .how-long-page__subtitle {
    font-size: 16px;
  }

  .how-long-page .how-long-page__tool {
    margin-top: 26px;
    padding: 18px;
  }

  .how-long-page .how-long-page__tool-head {
    flex-direction: column;
    padding-bottom: 18px;
  }

  .how-long-page .how-long-page__tool-title {
    font-size: 21px;
  }

  .how-long-page .how-long-page__zone {
    width: 100%;
    box-sizing: border-box;
    text-align: left;
  }

  .how-long-page .how-long-page__countdown {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 18px;
  }

  .how-long-page .how-long-page__unit {
    padding: 20px 10px;
  }

  .how-long-page .how-long-page__number {
    font-size: 40px;
  }

  .how-long-page .how-long-page__unit-label {
    margin-top: 8px;
    font-size: 11px;
  }

  .how-long-page .how-long-page__details {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 18px;
  }

  .how-long-page .how-long-page__controls,
  .how-long-page .how-long-page__actions {
    flex-direction: column;
    gap: 11px;
    margin-top: 18px;
  }

  .how-long-page .how-long-page__button {
    width: 100%;
    min-height: 48px;
    padding: 13px 15px;
    font-size: 15px;
  }

  .how-long-page .how-long-page__status {
    margin-top: 15px;
    font-size: 14px;
  }
}

@media (min-width: 430px) and (max-width: 767px) {
  .how-long-page .how-long-page__inner {
    padding: 40px 20px;
    box-sizing: border-box;
  }

  .how-long-page .how-long-page__title {
    font-size: 42px;
  }

  .how-long-page .how-long-page__subtitle {
    font-size: 17px;
  }

  .how-long-page .how-long-page__tool {
    margin-top: 30px;
    padding: 22px;
  }

  .how-long-page .how-long-page__tool-head {
    flex-direction: column;
    padding-bottom: 20px;
  }

  .how-long-page .how-long-page__tool-title {
    font-size: 24px;
  }

  .how-long-page .how-long-page__zone {
    width: 100%;
    box-sizing: border-box;
    text-align: left;
  }

  .how-long-page .how-long-page__countdown {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 20px;
  }

  .how-long-page .how-long-page__unit {
    padding: 22px 12px;
  }

  .how-long-page .how-long-page__number {
    font-size: 46px;
  }

  .how-long-page .how-long-page__unit-label {
    margin-top: 9px;
    font-size: 11px;
  }

  .how-long-page .how-long-page__details {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 20px;
  }

  .how-long-page .how-long-page__controls,
  .how-long-page .how-long-page__actions {
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
  }

  .how-long-page .how-long-page__button {
    width: 100%;
    min-height: 48px;
    padding: 13px 16px;
    font-size: 15px;
  }

  .how-long-page .how-long-page__status {
    margin-top: 16px;
    font-size: 15px;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .how-long-page .how-long-page__inner {
    padding: 56px 28px;
    box-sizing: border-box;
  }

  .how-long-page .how-long-page__title {
    font-size: 52px;
  }

  .how-long-page .how-long-page__subtitle {
    font-size: 18px;
  }

  .how-long-page .how-long-page__tool {
    margin-top: 34px;
    padding: 28px;
  }

  .how-long-page .how-long-page__tool-head {
    padding-bottom: 22px;
  }

  .how-long-page .how-long-page__tool-title {
    font-size: 26px;
  }

  .how-long-page .how-long-page__countdown {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 24px;
  }

  .how-long-page .how-long-page__unit {
    padding: 26px 16px;
  }

  .how-long-page .how-long-page__number {
    font-size: 58px;
  }

  .how-long-page .how-long-page__unit-label {
    margin-top: 10px;
    font-size: 12px;
  }

  .how-long-page .how-long-page__details {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 24px;
  }

  .how-long-page .how-long-page__controls {
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 14px;
    margin-top: 24px;
  }

  .how-long-page .how-long-page__field {
    flex: 1 1 210px;
  }

  .how-long-page .how-long-page__actions {
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
  }

  .how-long-page .how-long-page__button {
    min-height: 48px;
    padding: 13px 18px;
    font-size: 15px;
  }

  .how-long-page .how-long-page__status {
    margin-top: 18px;
    font-size: 15px;
  }
}

@media (min-width: 1024px) {
  .how-long-page .how-long-page__inner {
    padding: 72px 36px;
    box-sizing: border-box;
  }

  .how-long-page .how-long-page__title {
    font-size: 62px;
  }

  .how-long-page .how-long-page__subtitle {
    font-size: 19px;
  }

  .how-long-page .how-long-page__tool {
    max-width: 1040px;
    margin: 38px auto 0;
    padding: 34px;
  }

  .how-long-page .how-long-page__tool-head {
    padding-bottom: 24px;
  }

  .how-long-page .how-long-page__tool-title {
    font-size: 28px;
  }

  .how-long-page .how-long-page__countdown {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin-top: 26px;
  }

  .how-long-page .how-long-page__unit {
    padding: 30px 18px;
  }

  .how-long-page .how-long-page__number {
    font-size: 64px;
  }

  .how-long-page .how-long-page__unit-label {
    margin-top: 11px;
    font-size: 12px;
  }

  .how-long-page .how-long-page__details {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-top: 26px;
  }

  .how-long-page .how-long-page__controls {
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 14px;
    margin-top: 26px;
  }

  .how-long-page .how-long-page__field {
    flex: 1 1 190px;
  }

  .how-long-page .how-long-page__field--zone {
    flex-basis: 260px;
  }

  .how-long-page .how-long-page__actions {
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
  }

  .how-long-page .how-long-page__button {
    min-height: 48px;
    padding: 13px 18px;
    font-size: 15px;
  }

  .how-long-page .how-long-page__status {
    margin-top: 18px;
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .how-long-page .how-long-page__unit,
  .how-long-page .how-long-page__number,
  .how-long-page .how-long-page__input,
  .how-long-page .how-long-page__button {
    transition: none;
  }

  .how-long-page .how-long-page__unit:hover,
  .how-long-page .how-long-page__button:hover {
    transform: none;
  }
}