/* ==========================================================
   WHALE OS Forms System - Relate Style
   ========================================================== */

:root {
  --form-max-width: 800px;
  --form-gap: 16px;
}

/* Form Layout */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--form-gap);
  width: 100%;
  max-width: var(--form-max-width);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-row-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  color: var(--midnight-ink, #020520);
  font-size: var(--fs-caption, 12.5px);
  font-weight: var(--fw-medium, 500);
}

.form-required::after {
  content: " *";
  color: var(--coral-lost, #f26052);
  font-weight: 700;
}

.form-description {
  color: var(--ash-helper, #6b7280);
  font-size: 11.5px;
  line-height: 1.4;
}

/* Validation States */
.is-valid {
  border-color: var(--mint-win, #16ca2e) !important;
  box-shadow: 0 0 0 3px rgba(22, 202, 46, 0.12) !important;
}

.is-invalid {
  border-color: var(--coral-lost, #f26052) !important;
  box-shadow: 0 0 0 3px rgba(242, 96, 82, 0.12) !important;
}

.validation-message {
  font-size: 11.5px;
  margin-top: 4px;
}

.validation-message.success {
  color: var(--mint-win, #16ca2e);
}

.validation-message.error {
  color: var(--coral-lost, #f26052);
}

/* Checkbox */
.checkbox {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--midnight-ink, #020520);
  font-size: var(--fs-body, 13.5px);
  user-select: none;
}

.checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary, #145aff);
  border-radius: 4px;
  cursor: pointer;
  margin: 0;
}

/* Radio */
.radio {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--midnight-ink, #020520);
  font-size: var(--fs-body, 13.5px);
  user-select: none;
}

.radio input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary, #145aff);
  cursor: pointer;
  margin: 0;
}

/* Modern Toggle Switch */
.switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
  font-size: var(--fs-body, 13.5px);
}

.switch input[type="checkbox"] {
  position: relative;
  width: 36px;
  height: 20px;
  appearance: none;
  background-color: var(--stone-divider, #e2e8f0);
  border-radius: 9999px;
  outline: none;
  cursor: pointer;
  transition: background-color 0.2s ease;
  margin: 0;
}

.switch input[type="checkbox"]::before {
  content: "";
  position: absolute;
  top: 2px;
  inset-inline-start: 2px;
  width: 16px;
  height: 16px;
  background-color: #ffffff;
  border-radius: 50%;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.switch input[type="checkbox"]:checked {
  background-color: var(--primary, #145aff);
}

.switch input[type="checkbox"]:checked::before {
  transform: translateX(16px);
}

[dir="rtl"] .switch input[type="checkbox"]:checked::before {
  transform: translateX(-16px);
}

/* Actions */
.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--stone-divider, #e2e8f0);
}

/* Responsive */
@media (max-width: 768px) {
  .form-row,
  .form-row-3 {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .form-actions {
    flex-direction: column-reverse;
  }
}