@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%;
  overflow-x: hidden;
  background: #f8fafc;
  color: #111827;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.how-long-page,
.how-long-page * {
  box-sizing: border-box;
}

.how-long-page .hl-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 24px;
}

.how-long-page .hl-header {
  max-width: 760px;
  margin: 0 auto 28px;
  text-align: center;
}

.how-long-page .hl-title {
  margin: 0;
  color: #0f172a;
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: 0;
}

.how-long-page .hl-subtitle {
  margin: 14px 0 0;
  color: #475569;
  font-size: 1.08rem;
  line-height: 1.6;
}

.how-long-page .hl-tool {
  max-width: 980px;
  margin: 0 auto;
  padding: 34px;
  border: 1px solid #e2e8f0;
  border-radius: 24px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.1), 0 1px 2px rgba(15, 23, 42, 0.04);
}

.how-long-page .hl-tool-top {
  text-align: center;
  margin-bottom: 26px;
}

.how-long-page .hl-kicker {
  margin: 0 0 8px;
  color: #4f46e5;
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.12em;
}

.how-long-page .hl-event-name {
  margin: 0;
  color: #111827;
  font-size: clamp(2.2rem, 6vw, 4.25rem);
  font-weight: 850;
  line-height: 1;
  letter-spacing: 0;
}

.how-long-page .hl-countdown {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 0 0 24px;
}

.how-long-page .hl-unit-card {
  min-width: 0;
  padding: 24px 18px;
  border: 1px solid #dbe4f0;
  border-radius: 18px;
  background: #ffffff;
  text-align: center;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.how-long-page .hl-unit-card:hover {
  transform: translateY(-2px);
  border-color: #c7d2fe;
  box-shadow: 0 16px 36px rgba(79, 70, 229, 0.11);
}

.how-long-page .hl-number {
  display: block;
  color: #0f172a;
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 850;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.how-long-page .hl-unit-label {
  display: block;
  margin-top: 10px;
  color: #64748b;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.2;
}

.how-long-page .hl-details {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 24px;
  padding: 16px;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  background: #f8fafc;
}

.how-long-page .hl-detail-item {
  min-width: 0;
}

.how-long-page .hl-detail-label {
  display: block;
  margin-bottom: 5px;
  color: #64748b;
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.2;
}

.how-long-page .hl-detail-value {
  display: block;
  color: #1f2937;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.how-long-page .hl-controls {
  display: grid;
  grid-template-columns: minmax(160px, 1fr) minmax(140px, 0.8fr) auto;
  gap: 14px;
  align-items: end;
}

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

.how-long-page .hl-label {
  display: block;
  margin-bottom: 7px;
  color: #334155;
  font-size: 0.88rem;
  font-weight: 750;
  line-height: 1.25;
}

.how-long-page .hl-input {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  background: #ffffff;
  color: #0f172a;
  font: inherit;
  font-size: 0.98rem;
  line-height: 1.2;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.how-long-page .hl-input:focus {
  border-color: #4f46e5;
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.16);
}

.how-long-page .hl-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.how-long-page .hl-button {
  min-height: 46px;
  padding: 11px 16px;
  border: 1px solid transparent;
  border-radius: 12px;
  font: inherit;
  font-size: 0.94rem;
  font-weight: 800;
  line-height: 1.2;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.how-long-page .hl-button:focus {
  outline: none;
}

.how-long-page .hl-button:focus-visible {
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.22);
}

.how-long-page .hl-button:hover {
  transform: translateY(-1px);
}

.how-long-page .hl-button-primary {
  background: #4f46e5;
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(79, 70, 229, 0.22);
}

.how-long-page .hl-button-primary:hover {
  background: #4338ca;
}

.how-long-page .hl-button-secondary {
  border-color: #cbd5e1;
  background: #ffffff;
  color: #1f2937;
}

.how-long-page .hl-button-secondary:hover {
  border-color: #a5b4fc;
  background: #f8faff;
}

.how-long-page .hl-status {
  min-height: 22px;
  margin: 16px 0 0;
  color: #334155;
  font-size: 0.94rem;
  font-weight: 650;
  line-height: 1.45;
  text-align: center;
}

.how-long-page .hl-status.hl-status-error {
  color: #b91c1c;
}

.how-long-page .hl-status.hl-status-success {
  color: #166534;
}

@media (prefers-reduced-motion: reduce) {
  .how-long-page .hl-unit-card,
  .how-long-page .hl-button,
  .how-long-page .hl-input {
    transition: none;
  }

  .how-long-page .hl-unit-card:hover,
  .how-long-page .hl-button:hover {
    transform: none;
  }
}

@media (min-width: 320px) and (max-width: 374px) {
  .how-long-page .hl-container {
    padding: 34px 12px;
  }

  .how-long-page .hl-header {
    margin-bottom: 20px;
  }

  .how-long-page .hl-title {
    font-size: 1.85rem;
  }

  .how-long-page .hl-subtitle {
    font-size: 0.94rem;
  }

  .how-long-page .hl-tool {
    padding: 18px 12px;
    border-radius: 18px;
  }

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

  .how-long-page .hl-unit-card {
    padding: 16px 8px;
    border-radius: 14px;
  }

  .how-long-page .hl-number {
    font-size: 2rem;
  }

  .how-long-page .hl-details,
  .how-long-page .hl-controls {
    grid-template-columns: 1fr;
  }

  .how-long-page .hl-actions,
  .how-long-page .hl-button {
    width: 100%;
  }

  .how-long-page .hl-button {
    padding: 11px 12px;
  }
}

@media (min-width: 375px) and (max-width: 429px) {
  .how-long-page .hl-container {
    padding: 40px 16px;
  }

  .how-long-page .hl-tool {
    padding: 22px 16px;
    border-radius: 20px;
  }

  .how-long-page .hl-title {
    font-size: 2.1rem;
  }

  .how-long-page .hl-subtitle {
    font-size: 0.98rem;
  }

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

  .how-long-page .hl-unit-card {
    padding: 18px 10px;
  }

  .how-long-page .hl-number {
    font-size: 2.25rem;
  }

  .how-long-page .hl-details,
  .how-long-page .hl-controls {
    grid-template-columns: 1fr;
  }

  .how-long-page .hl-actions,
  .how-long-page .hl-button {
    width: 100%;
  }
}

@media (min-width: 430px) and (max-width: 767px) {
  .how-long-page .hl-container {
    padding: 44px 18px;
  }

  .how-long-page .hl-tool {
    padding: 24px 18px;
  }

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

  .how-long-page .hl-number {
    font-size: 2.6rem;
  }

  .how-long-page .hl-details,
  .how-long-page .hl-controls {
    grid-template-columns: 1fr;
  }

  .how-long-page .hl-actions {
    width: 100%;
  }

  .how-long-page .hl-button {
    flex: 1 1 100%;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .how-long-page .hl-container {
    padding: 52px 24px;
  }

  .how-long-page .hl-countdown {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .how-long-page .hl-number {
    font-size: 3.45rem;
  }

  .how-long-page .hl-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .how-long-page .hl-actions {
    grid-column: 1 / -1;
    justify-content: center;
  }

  .how-long-page .hl-button {
    min-width: 150px;
  }
}

@media (min-width: 1024px) {
  .how-long-page .hl-container {
    padding: 64px 32px;
  }

  .how-long-page .hl-countdown {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .how-long-page .hl-unit-card {
    padding: 28px 20px;
  }

  .how-long-page .hl-number {
    font-size: 4rem;
  }

  .how-long-page .hl-button {
    white-space: nowrap;
  }
}