/* =========================
   FORM COMPONENTS
========================= */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-heading);
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="email"],
input[type="date"],
select,
textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(0,0,0,0.02);
  background: var(--surface);
  box-shadow: var(--nm-inset); /* Hiệu ứng chìm chuẩn Soft UI */
  color: var(--text-main);
  font-family: var(--font);
  font-size: 0.9rem;
  transition: all var(--nm-anim);
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(var(--primary-rgb), 0.1);
  box-shadow: var(--nm-inset), 0 0 0 3px rgba(var(--primary-rgb), 0.05); /* Glow nhẹ kết hợp inset */
}

input:disabled,
select:disabled,
textarea:disabled {
  background: var(--surface-2);
  color: var(--muted);
  cursor: not-allowed;
  box-shadow: none;
  opacity: 0.6;
}

/* Select specific styling — Soft UI Arrow */
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%230A54A8'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 20px;
  padding-right: 40px;
}

/* Helper text & Error state */
.form-help {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 6px;
  padding-left: 4px;
}

.form-group--error input {
  box-shadow: var(--nm-inset), 0 0 0 2px rgba(var(--danger-rgb), 0.1);
}

.form-error-msg {
  font-size: 0.75rem;
  color: var(--danger);
  margin-top: 6px;
  font-weight: 600;
  padding-left: 4px;
}

/* Inline field error — dùng kèm JS showInputError() */
.form-input.error,
input.error,
select.error {
  border-color: var(--danger) !important;
  box-shadow: var(--nm-inset), 0 0 0 2px rgba(var(--danger-rgb), 0.12);
}

.form-error-message {
  display: block;
  font-size: .75rem;
  color: var(--danger);
  font-weight: 600;
  margin-top: 4px;
  padding-left: 2px;
}

/* Dark mode adjustment for Inset Effect */
body.dark input,
body.dark select,
body.dark textarea {
  border-color: rgba(255,255,255,0.02);
}