/* ==========================================================================
   SML - Forms
   Файл: /wp-content/themes/sml/src/css/components/forms.css
   Версия: 1.0.0
   Author: NUVREN (https://nuvren.com)

   Назначение:
   - Базовые стили форм: input, textarea, select;
   - Состояния focus/disabled/invalid;
   - Единый визуальный язык для CTA и Contact.
   ========================================================================== */

.form {
  display: grid;
  gap: var(--space-6);
}

.form-row {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .form-row--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Группа поля (label + control + hint/error) */
.field-group {
  display: grid;
  gap: 8px;
}

.label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-2);
  letter-spacing: 0.02em;
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--color-muted);
  margin-top: -2px;
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  margin-top: -2px;
}

/* ------------------------------------------------------------
   Поля (input/textarea/select)
   ------------------------------------------------------------ */
.field {
  width: 100%;
  appearance: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  min-height: 48px;
  font-size: var(--font-size-base);
  line-height: 1.2;
  color: var(--color-text);
  transition:
    border-color var(--dur-2) var(--ease),
    box-shadow var(--dur-2) var(--ease),
    background var(--dur-2) var(--ease);
}

.field::placeholder {
  color: rgba(102, 112, 133, 0.75);
}

.field:focus {
  outline: none;
}

.field:focus-visible {
  border-color: rgba(31, 122, 58, 0.48);
  box-shadow: var(--focus-ring);
}

/* Disabled */
.field:disabled {
  opacity: 0.72;
  cursor: not-allowed;
  background: var(--color-surface-2);
}

/* Textarea */
.field--textarea,
textarea.field {
  min-height: 140px;
  resize: vertical;
  line-height: var(--line-height-normal);
  padding-top: 12px;
  padding-bottom: 12px;
}

/* Select */
select.field {
  padding-right: 44px;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--color-muted) 50%),
    linear-gradient(135deg, var(--color-muted) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) 50%,
    calc(100% - 12px) 50%;
  background-size:
    6px 6px,
    6px 6px;
  background-repeat: no-repeat;
}

/* ------------------------------------------------------------
   Валидация
   ------------------------------------------------------------ */
.field.is-invalid,
.field[aria-invalid="true"],
.field:invalid {
  border-color: rgba(180, 35, 24, 0.60);
  box-shadow: 0 0 0 3px rgba(180, 35, 24, 0.16);
}

.field.is-invalid:focus-visible,
.field[aria-invalid="true"]:focus-visible,
.field:invalid:focus-visible {
  box-shadow: 0 0 0 3px rgba(180, 35, 24, 0.18);
}

/* ------------------------------------------------------------
   Checkbox / Radio (единый язык)
   ------------------------------------------------------------ */
.check {
  display: inline-flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.check input {
  appearance: none;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  border-radius: 6px;
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  display: grid;
  place-items: center;
  transition:
    border-color var(--dur-2) var(--ease),
    box-shadow var(--dur-2) var(--ease),
    background var(--dur-2) var(--ease);
}

.check input:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.check input:checked {
  background: var(--color-primary);
  border-color: rgba(31, 122, 58, 0.55);
}

.check input:checked::after {
  content: "";
  width: 9px;
  height: 6px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg);
  margin-top: -1px;
}

.check--radio input {
  border-radius: 999px;
}

.check--radio input:checked::after {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #fff;
  border: 0;
  transform: none;
  margin: 0;
}

.check__text {
  font-size: var(--font-size-sm);
  line-height: 1.35;
  color: var(--color-text-2);
}

.check input:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  background: var(--color-surface-2);
}

.check input:disabled + .check__text {
  opacity: 0.75;
}

/* ------------------------------------------------------------
   Группа кнопок формы
   ------------------------------------------------------------ */
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

/* ------------------------------------------------------------
   "Card" форма
   ------------------------------------------------------------ */
.form-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
  padding: var(--space-8);
}

@media (max-width: 767px) {
  .form-card {
    padding: var(--space-6);
  }
}