/* Shared styles for form primitives: TextInput, Textarea, Select,
   NumberInput, ColorInput, and the FormField wrapper. BEM:
   .input          = base class for all typed inputs
   .input--invalid = error state
   .form-field     = label + control + helper/error vertical stack */

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-field__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text);
}

/* Optional mono section index for control-panel forms (§5.23) */
.form-field__number {
  color: var(--color-accent);
  margin-right: var(--space-2);
}

.form-field__helper {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.form-field__error {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-error);
}

/* Base input - used by text, textarea, select, number */

.input {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background: var(--color-bg-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--border-radius);
  outline: none;
  transition:
    border-color var(--duration-fast) var(--ease-default),
    background var(--duration-fast) var(--ease-default);
}

.input::placeholder {
  color: var(--color-text-muted);
}

.input:hover:not(:disabled):not(:focus) {
  border-color: var(--color-text);
}

.input:focus {
  border-color: var(--color-accent);
  background: var(--color-bg-page);
}

.input:disabled {
  color: var(--color-text-muted);
  background: var(--color-bg-page);
  cursor: not-allowed;
}

.input--invalid {
  border-color: var(--color-error);
}

.input--invalid:focus {
  border-color: var(--color-error);
}

/* Textarea-specific */

.input--textarea {
  min-height: 96px;
  resize: vertical;
  font-family: var(--font-sans);
}

/* Select - custom chevron via background image */

.input--select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: var(--space-10);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%230a0a0a' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'><path d='M6 9l6 6 6-6'/></svg>");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  cursor: pointer;
}

/* Number input with drag-scrub handle */

.number-input {
  position: relative;
  display: flex;
  align-items: stretch;
  min-width: 0;
  border: var(--border-width) solid var(--color-border);
  background: var(--color-bg-surface);
  transition: border-color var(--duration-fast) var(--ease-default);
}

.number-input:hover:not(:focus-within) {
  border-color: var(--color-text);
}

.number-input:focus-within {
  border-color: var(--color-accent);
  background: var(--color-bg-page);
}

.number-input__label {
  display: flex;
  align-items: center;
  padding: 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-muted);
  cursor: ew-resize;
  user-select: none;
  border-right: var(--border-width) solid var(--color-border);
}

.number-input__field {
  flex: 1;
  min-width: 0;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text);
  background: transparent;
  border: none;
  outline: none;
  -moz-appearance: textfield;
}

.number-input__field::-webkit-outer-spin-button,
.number-input__field::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Color input - swatch + hex field */

.color-input {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-surface);
  border: var(--border-width) solid var(--color-border);
  transition: border-color var(--duration-fast) var(--ease-default);
}

.color-input:hover:not(:focus-within) {
  border-color: var(--color-text);
}

.color-input:focus-within {
  border-color: var(--color-accent);
  background: var(--color-bg-page);
}

.color-input__swatch {
  width: 24px;
  height: 24px;
  padding: 0;
  border: var(--border-width) solid var(--color-border);
  cursor: pointer;
  background: transparent;
  flex-shrink: 0;
}

.color-input__swatch::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-input__swatch::-webkit-color-swatch {
  border: none;
}

.color-input__hex {
  flex: 1;
  min-width: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text);
  background: transparent;
  border: none;
  outline: none;
}

/* Text-properties panel: dense inspector, soften borders so the many small
   fields stop competing visually. Rest state only - hover/focus use tokens. */

.text-props .input,
.text-props .number-input,
.text-props .color-input,
.subtle-inputs .input,
.subtle-inputs .number-input,
.subtle-inputs .color-input {
  border-color: var(--color-border-subtle);
}

.text-props .number-input__label,
.subtle-inputs .number-input__label {
  border-right-color: var(--color-border-subtle);
}