/* ============================================================
   ROUNDING CALCULATOR — Enhanced Styles
   ============================================================ */

.rc-wrap {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.rc-presets {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}

.rc-preset-label {
  font-size: .72rem;
  font-weight: 700;
  color: var(--subtext);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-right: 4px;
}

.rc-preset {
  padding: 5px 12px;
  border-radius: 6px;
  font-size: .75rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .2s ease;
  background: var(--bg);
  color: var(--subtext);
  border: 1.5px solid var(--border);
  font-family: var(--system-fonts);
}

.rc-preset:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-1px);
}

.rc-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.rc-label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--subtext);
}

.rc-input {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  background-color: var(--card);
  transition: border-color .2s ease, box-shadow .2s ease;
}

.rc-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

.rc-input::placeholder {
  color: var(--border);
  font-weight: 400;
}

.rc-select {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 600;
  color: var(--text);
  background-color: var(--card);
  cursor: pointer;
  transition: border-color .2s ease, box-shadow .2s ease;
  font-family: var(--system-fonts);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='%2364748B'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.rc-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

.rc-select:hover {
  border-color: var(--primary);
}

.rc-radio-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.rc-radio {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background-color: var(--bg);
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--subtext);
}

.rc-radio:has(input:checked) {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.rc-radio input[type="radio"] { accent-color: var(--primary); }

.rc-radio:has(input:checked) input[type="radio"] { accent-color: #fff; }


[data-theme="dark"] .rc-preset { background: var(--card); }

[data-theme="dark"] .rc-input { background: var(--bg); }

[data-theme="dark"] .rc-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='%2394A3B8'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-color: var(--bg);
}


@media (max-width: 480px) {
  .rc-preset-label { display: none; }
}