/* =========================================================
   DaysToEvents — Time Calculator Tool CSS
   ========================================================= */

.tc-sections-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.tc-calculator-card {
  padding: 1.75rem 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius, 18px);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.03);
}

@media (max-width: 600px) {
  .tc-calculator-card {
    padding: 1.25rem 1rem;
    border-radius: 14px;
  }
}

.tc-calculator-card h2 {
  font-size: 1.25rem;
  font-weight: 750;
  margin: 0 0 0.4rem 0;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tc-calculator-card p.tc-card-desc {
  margin: 0 0 1.25rem 0;
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.5;
}

.tc-row-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.tc-grid-2 {
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 650px) {
  .tc-grid-2 {
    grid-template-columns: 1fr;
  }
}

.tc-input-block {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.tc-input-block label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-2);
}

.tc-time-inputs {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.tc-unit-field {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}

.tc-unit-field input {
  width: 100%;
  padding: 0.75rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  box-sizing: border-box;
}

.tc-unit-field input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 20%, transparent);
}

.tc-unit-field span {
  font-size: 0.7rem;
  color: var(--text-3);
  margin-top: 0.25rem;
  text-transform: uppercase;
  font-weight: 600;
}

.tc-colon {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-3);
  padding-bottom: 1.25rem;
}

.tc-presets-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.tc-presets-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-3);
  margin-right: 0.25rem;
}

.tc-preset-btn {
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface-2);
  color: var(--text-2);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--ease, 0.2s ease);
}

.tc-preset-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 10%, var(--surface-2));
}

.tc-op-select {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  height: 46px;
  width: 100%;
  box-sizing: border-box;
}

.tc-checkbox-row {
  margin-top: 0.5rem;
  margin-bottom: 1.25rem;
}

.tc-checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  user-select: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}

.tc-checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
}

.tc-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
  margin-bottom: 1.25rem;
}

.tc-actions .calculate-btn {
  flex: 1;
}

.tc-result-box {
  margin-top: 1.25rem;
}