/* ============================================================
   form-elements.css — Input, select, textarea, checkbox, label
   Depends on: variables.css
   ============================================================ */

/* ── Form group (label + input + error) ─────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* ── Label ──────────────────────────────────────────────── */
.form-group label,
.form-label {
  font-size: var(--text-label);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  letter-spacing: var(--ls-label);
}

/* Light label for dark backgrounds */
.form-group--dark label {
  color: rgba(255, 255, 255, 0.85);
}

/* ── Text input & select ────────────────────────────────── */
.form-input,
.form-select,
input[type="text"],
input[type="tel"],
input[type="email"],
input[type="number"],
select {
  width: 100%;
  height: 48px;
  padding: 0 var(--space-4);
  font-family: var(--font-family);
  font-size: var(--text-body-m);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  appearance: none;
  -webkit-appearance: none;
}

@media (min-width: 1024px) {
  .form-input,
  .form-select,
  input[type="text"],
  input[type="tel"],
  input[type="email"],
  input[type="number"],
  select {
    height: 52px;
  }
}

.form-input::placeholder,
input::placeholder {
  color: var(--color-text-muted);
  font-weight: var(--font-weight-regular);
}

/* Focus state */
.form-input:focus,
.form-select:focus,
input[type="text"]:focus,
input[type="tel"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 97, 192, 0.15);
}

/* Error state */
.form-input--error,
.form-group--error input,
.form-group--error select {
  border-color: var(--color-error);
}

.form-group--error input:focus,
.form-group--error select:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

/* Select arrow */
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-12);
}

/* Dark background inputs */
.form-group--dark input,
.form-group--dark select,
.form-input--dark {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--color-text-on-dark);
}

.form-group--dark input::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.form-group--dark input:focus,
.form-group--dark select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(255, 217, 19, 0.2);
  background-color: rgba(255, 255, 255, 0.15);
}

/* ── Checkbox ───────────────────────────────────────────── */
.form-group--checkbox {
  flex-direction: row;
  align-items: flex-start;
  gap: var(--space-3);
}

.form-group--checkbox input[type="checkbox"] {
  width: 20px;
  height: 20px;
  min-width: 20px;
  margin-top: 2px;
  appearance: none;
  -webkit-appearance: none;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg);
  cursor: pointer;
  transition: var(--transition-fast);
  position: relative;
}

.form-group--checkbox input[type="checkbox"]:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.form-group--checkbox input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 1px;
  width: 8px;
  height: 12px;
  border: 2px solid white;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.form-group--checkbox label {
  font-size: var(--text-caption);
  font-weight: var(--font-weight-regular);
  color: var(--color-text-muted);
  cursor: pointer;
  line-height: 1.5;
}

.form-group--checkbox label a {
  color: var(--color-primary);
}

/* ── Error / helper text ────────────────────────────────── */
.form-error {
  font-size: var(--text-caption);
  color: var(--color-error);
  font-weight: var(--font-weight-semibold);
  min-height: 16px;
  display: block;
}

.form-helper {
  font-size: var(--text-caption);
  color: var(--color-text-muted);
  display: block;
}

/* ── Form divider ("или") ───────────────────────────────── */
.form-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-4) 0;
}

.form-divider::before,
.form-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: rgba(255, 255, 255, 0.2);
}

.form-divider span {
  font-size: var(--text-caption);
  color: rgba(255, 255, 255, 0.55);
  white-space: nowrap;
}