/* ============================================================
   INPUTS — underline-style, mono input text
   ============================================================ */

.input {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--color-border);
  border-radius: var(--radius-square);
  padding: 10px 0;
  color: var(--color-primary);
  font-size: 14px;
  font-family: var(--font-mono);
}
.input:focus {
  outline: none;
  border-bottom-color: var(--color-mint);
}

/* Validation error: red border + red placeholder hint */
.input.is-error {
  border-bottom-color: #d04848;
}
.input.is-error::placeholder {
  color: #d04848;
  opacity: 1;
}

.input--boxed {
  border: 1px solid var(--color-border-strong);
  padding: 12px;
  resize: none;
  line-height: 1.6;
}

/* File-drop look — used for PDB upload */
.input-drop {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-secondary);
}

.input-drop__hint   { display: flex; align-items: center; gap: 10px; }
.input-drop__file   {
  color: var(--color-mint);
  font-size: var(--fs-caption);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.input-drop__icon   { width: 18px; height: 18px; display: block; }

/* Input with leading icon (e.g. SMILES field) */
.input-with-icon {
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--color-border);
  padding: 10px 0;
}
.input-with-icon .input {
  border-bottom: 0;
  padding: 0;
  flex: 1;
}
.input-with-icon__icon { width: 18px; height: 18px; display: block; flex-shrink: 0; }

/* Field group: label + name + input + meta row */
.field-group { margin-bottom: calc(var(--sp-xl) * 1.2); }
.field-group__name {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-display);
  margin-bottom: var(--sp-xs);
}
.field-group__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
}