/* ===== Forms Styles ===== */

.form-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.field label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.field label .required::after {
  content: " *";
  color: var(--color-danger);
}

.input-shell {
  position: relative;
  display: flex;
  align-items: center;
}

.input-shell > svg {
  position: absolute;
  left: var(--space-3);
  width: 20px;
  height: 20px;
  color: var(--color-text-tertiary);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}

.input-shell input,
.input-shell select,
.input-shell textarea {
  width: 100%;
  padding: var(--space-3) var(--space-3) var(--space-3) var(--space-10);
  font-size: var(--text-base);
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.input-shell input::placeholder,
.input-shell select::placeholder,
.input-shell textarea::placeholder {
  color: var(--color-text-tertiary);
}

.input-shell input:hover,
.input-shell select:hover,
.input-shell textarea:hover {
  border-color: var(--color-border-hover);
}

.input-shell input:focus,
.input-shell select:focus,
.input-shell textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

.input-shell input[aria-invalid="true"],
.input-shell select[aria-invalid="true"],
.input-shell textarea[aria-invalid="true"] {
  border-color: var(--color-danger);
}

.input-shell input[aria-invalid="true"]:focus,
.input-shell select[aria-invalid="true"]:focus,
.input-shell textarea[aria-invalid="true"]:focus {
  box-shadow: 0 0 0 3px var(--color-danger-subtle);
}

.input-action {
  position: absolute;
  right: var(--space-2);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--color-text-tertiary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.input-action:hover {
  background: var(--color-bg-hover);
  color: var(--color-text);
}

.input-action svg {
  position: static;
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.field-error {
  font-size: var(--text-xs);
  color: var(--color-danger);
  min-height: 1.25em;
}

.field-error[hidden] {
  display: none;
}

/* ===== Form Alert ===== */

.form-alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  animation: form-alert-in var(--transition-fast) ease-out;
}

@keyframes form-alert-in {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form-alert svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

.form-alert span {
  flex: 1;
  font-size: var(--text-sm);
}

/* ===== Button Loading State ===== */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.button__label {
  display: inline-block;
}

.button .spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.button[aria-busy="true"] .button__label {
  display: none;
}

.button[aria-busy="true"] .spinner {
  display: inline-block;
}

/* ===== Select ===== */

.input-shell select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 20px;
  padding-right: var(--space-10);
}

/* ===== Textarea ===== */

.input-shell--textarea {
  align-items: flex-start;
}

.input-shell--textarea > svg {
  top: var(--space-3);
}

.input-shell textarea {
  min-height: 96px;
  max-height: 220px;
  resize: vertical;
  overflow-y: auto;
}

/* ===== Checkbox / Radio ===== */

.field--checkbox {
  flex-direction: row;
  align-items: flex-start;
  gap: var(--space-2);
}

.field--checkbox .input-shell {
  flex: 0 0 auto;
  margin-top: 2px;
}

.field--checkbox input[type="checkbox"],
.field--checkbox input[type="radio"] {
  width: 20px;
  height: 20px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* ===== Help Text ===== */

.field-hint {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

/* ===== Form Meta ===== */

.form-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.form-meta__hint {
  flex: 1;
  min-width: 200px;
}

/* ===== Recovery Note ===== */

.recovery-note {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

/* ===== Modal Form ===== */

.modal-content form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.modal-footer .button {
  flex: 1;
  max-width: 160px;
}

/* ===== Responsive ===== */

@media (max-width: 480px) {
  .input-shell input,
  .input-shell select,
  .input-shell textarea {
    padding: var(--space-3) var(--space-3) var(--space-3) var(--space-9);
  }

  .input-shell > svg {
    left: var(--space-2);
    width: 18px;
    height: 18px;
  }

  .form-meta {
    flex-direction: column;
    align-items: flex-start;
  }
}