.ticks-tool {
  --ticks-border: rgba(127, 127, 127, 0.24);
  --ticks-soft: rgba(127, 127, 127, 0.08);
  --ticks-soft-strong: rgba(127, 127, 127, 0.13);
  --ticks-accent: #2563eb;
  --ticks-accent-soft: rgba(37, 99, 235, 0.10);
  --ticks-success: #15803d;

  margin: 2rem 0;
  padding: 1.4rem;
  border: 1px solid var(--ticks-border);
  border-radius: 1rem;
  background: var(--ticks-soft);
}

.dark .ticks-tool {
  --ticks-accent: #60a5fa;
  --ticks-accent-soft: rgba(96, 165, 250, 0.14);
  --ticks-success: #4ade80;
}

.ticks-tool * {
  box-sizing: border-box;
}

.ticks-tool__header {
  display: flex;
  gap: 1.25rem;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

.ticks-tool__eyebrow {
  margin: 0 0 0.2rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.68;
}

.ticks-tool__title {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 1.8rem);
}

.ticks-tool__intro {
  max-width: 44rem;
  margin: 0.45rem 0 0;
  opacity: 0.78;
}

.ticks-tool__badge {
  flex: 0 0 auto;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--ticks-border);
  border-radius: 999px;
  background: var(--ticks-accent-soft);
  font-size: 0.8rem;
  font-weight: 650;
  white-space: nowrap;
}

.ticks-tool__tabs {
  display: inline-flex;
  gap: 0.3rem;
  padding: 0.3rem;
  margin-bottom: 1.25rem;
  border: 1px solid var(--ticks-border);
  border-radius: 0.75rem;
  background: var(--ticks-soft);
}

.ticks-tool__tab {
  min-height: 2.5rem;
  padding: 0.5rem 0.8rem;
  border: 0;
  border-radius: 0.55rem;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 650;
  cursor: pointer;
}

.ticks-tool__tab.is-active {
  background: var(--ticks-accent);
  color: white;
}

.dark .ticks-tool__tab.is-active {
  color: #0b1220;
}

.ticks-tool__panel {
  min-width: 0;
}

.ticks-tool__input-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(10rem, 0.6fr);
  gap: 1rem;
}

.ticks-tool__field label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.88rem;
  font-weight: 650;
}

.ticks-tool__field input,
.ticks-tool__field select {
  width: 100%;
  min-height: 2.8rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--ticks-border);
  border-radius: 0.65rem;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 1rem;
}

.ticks-tool__field input:focus,
.ticks-tool__field select:focus,
.ticks-tool button:focus-visible {
  outline: 2px solid var(--ticks-accent);
  outline-offset: 2px;
}

.ticks-tool__hint {
  margin: 0.35rem 0 0;
  font-size: 0.8rem;
  opacity: 0.65;
}

.ticks-tool__presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  margin: 1rem 0;
}

.ticks-tool__preset-label {
  margin-right: 0.2rem;
  font-size: 0.82rem;
  font-weight: 650;
  opacity: 0.7;
}

.ticks-tool__presets button,
.ticks-tool__copy {
  min-height: 2.35rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--ticks-border);
  border-radius: 0.6rem;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 0.84rem;
  font-weight: 650;
  cursor: pointer;
}

.ticks-tool__presets button:hover,
.ticks-tool__copy:hover {
  background: var(--ticks-soft-strong);
}

.ticks-tool__result-card {
  padding: 1.1rem;
  border: 1px solid var(--ticks-border);
  border-radius: 0.9rem;
  background: var(--ticks-accent-soft);
}

.ticks-tool__result-label {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.65;
}

.ticks-tool__result-row {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  min-width: 0;
}

.ticks-tool__result {
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: clamp(1.35rem, 5vw, 2rem);
  font-weight: 750;
  line-height: 1.2;
}

.ticks-tool__calculation {
  margin: 0.55rem 0 0;
  font-size: 0.88rem;
  opacity: 0.72;
}

.ticks-tool__expression {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.9rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--ticks-border);
  border-radius: 0.8rem;
}

.ticks-tool__expression > div {
  min-width: 0;
}

.ticks-tool__expression code {
  white-space: normal;
  overflow-wrap: anywhere;
  font-size: 0.9rem;
}

.ticks-tool__reverse-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.65rem;
  margin-top: 1rem;
}

.ticks-tool__reverse-grid > div {
  min-width: 0;
  padding: 0.85rem;
  border: 1px solid var(--ticks-border);
  border-radius: 0.75rem;
  background: var(--ticks-soft);
}

.ticks-tool__reverse-grid span {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.76rem;
  opacity: 0.65;
}

.ticks-tool__reverse-grid strong {
  display: block;
  overflow-wrap: anywhere;
  font-size: 1rem;
}

.ticks-tool__message {
  min-height: 1.3em;
  margin: 0.8rem 0 0;
  font-size: 0.84rem;
  font-weight: 650;
}

.ticks-tool__message.is-success {
  color: var(--ticks-success);
}

.ticks-tool__message.is-error {
  color: #b91c1c;
}

.dark .ticks-tool__message.is-error {
  color: #fca5a5;
}

.ticks-tool__noscript {
  margin-top: 1rem;
}

@media (max-width: 720px) {
  .ticks-tool {
    padding: 1rem;
  }

  .ticks-tool__header,
  .ticks-tool__result-row,
  .ticks-tool__expression {
    align-items: stretch;
    flex-direction: column;
  }

  .ticks-tool__badge {
    align-self: flex-start;
    white-space: normal;
  }

  .ticks-tool__input-grid {
    grid-template-columns: 1fr;
  }

  .ticks-tool__reverse-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ticks-tool__copy {
    width: 100%;
  }
}

@media (max-width: 420px) {
  .ticks-tool__tabs {
    display: flex;
    width: 100%;
  }

  .ticks-tool__tab {
    flex: 1 1 0;
  }

  .ticks-tool__reverse-grid {
    grid-template-columns: 1fr;
  }
}