/* ============================================================
   void-number-input — Tone system component
   ============================================================ */

void-number-input {
  /* Tone system */
  --tone: var(--void-color-accent);
  --tone-subtle: color-mix(in srgb, var(--tone) 14%, transparent);
  --tone-border: color-mix(in srgb, var(--tone) 36%, transparent);
  --tone-hover: color-mix(in srgb, var(--tone) 22%, transparent);

  display: inline-flex;
  align-items: stretch;
  font-family: var(--void-font-sans);
  border: 1px solid var(--void-color-border);
  border-radius: var(--void-radius-md);
  background: var(--void-color-bg-secondary);
  overflow: hidden;
  transition: border-color var(--void-duration-fast) var(--void-ease-in-out),
              box-shadow var(--void-duration-fast) var(--void-ease-in-out);
}

void-number-input:focus-within {
  border-color: var(--void-color-border-focus);
  box-shadow: 0 0 0 1px var(--void-color-border-focus);
}

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

/* The native input inside */
void-number-input input.void-number-input-field {
  flex: 1;
  min-width: 0;
  padding: var(--void-space-2) var(--void-space-3);
  background: transparent;
  border: none;
  color: var(--void-color-text);
  font-family: inherit;
  font-size: var(--void-text-sm);
  line-height: var(--void-leading-normal);
  outline: none;
  text-align: center;
  -moz-appearance: textfield;
}

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

/* Inline prefix (before input) and unit (after input) */
.void-number-input-prefix,
.void-number-input-unit {
  display: inline-flex;
  align-items: center;
  color: var(--void-color-text-muted);
  font-family: inherit;
  font-size: var(--void-text-sm);
  user-select: none;
  pointer-events: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.void-number-input-prefix {
  padding-left: var(--void-space-3);
}

.void-number-input-unit {
  padding-right: var(--void-space-3);
}

/* When a prefix is present, the input doesn't need its own left padding */
void-number-input:has(.void-number-input-prefix) input.void-number-input-field {
  padding-left: var(--void-space-1);
}

/* When a unit is present, the input doesn't need its own right padding */
void-number-input:has(.void-number-input-unit) input.void-number-input-field {
  padding-right: var(--void-space-1);
}

/* Stepper buttons */
.void-number-input-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--void-space-3);
  background: transparent;
  border: none;
  color: var(--void-color-text-secondary);
  cursor: pointer;
  transition: background var(--void-duration-fast) var(--void-ease-in-out),
              color var(--void-duration-fast) var(--void-ease-in-out);
  user-select: none;
  -webkit-user-select: none;
  flex-shrink: 0;
}

.void-number-input-btn:hover:not(:disabled) {
  background: var(--tone-hover);
  color: var(--void-color-text);
}

.void-number-input-btn:focus-visible {
  outline: 2px solid var(--void-color-border-focus);
  outline-offset: -2px;
}

.void-number-input-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* Separator lines between btn and input */
.void-number-input-btn-dec {
  border-right: 1px solid var(--void-color-border);
}

.void-number-input-btn-inc {
  border-left: 1px solid var(--void-color-border);
}

/* controls="right" — both buttons stacked vertically on the right */
void-number-input[controls="right"] .void-number-input-btn-group {
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--void-color-border);
}

void-number-input[controls="right"] .void-number-input-btn {
  flex: 1;
  padding: 0 var(--void-space-2);
  border: none;
}

void-number-input[controls="right"] .void-number-input-btn-inc {
  border-bottom: 1px solid var(--void-color-border);
}

/* controls="none" — just the input, no separators */
void-number-input[controls="none"] input.void-number-input-field {
  text-align: left;
}

/* Color variants */
void-number-input[color="error"]   { --tone: var(--void-color-error); }
void-number-input[color="warning"] { --tone: var(--void-color-warning); }
void-number-input[color="caution"] { --tone: var(--void-color-caution); }
void-number-input[color="success"] { --tone: var(--void-color-success); }
void-number-input[color="info"]    { --tone: var(--void-color-info); }
void-number-input[color="notice"]  { --tone: var(--void-color-notice); }

void-number-input:where([color="error"], [color="warning"], [color="caution"], [color="success"], [color="info"], [color="notice"]) {
  border-color: var(--tone-border);
  background: var(--tone-subtle);
}

void-number-input:where([color="error"], [color="warning"], [color="caution"], [color="success"], [color="info"], [color="notice"]) .void-number-input-btn {
  color: var(--tone);
}

void-number-input:where([color="error"], [color="warning"], [color="caution"], [color="success"], [color="info"], [color="notice"]) .void-number-input-btn-dec {
  border-right-color: var(--tone-border);
}

void-number-input:where([color="error"], [color="warning"], [color="caution"], [color="success"], [color="info"], [color="notice"]) .void-number-input-btn-inc {
  border-left-color: var(--tone-border);
}

void-number-input:where([color="error"], [color="warning"], [color="caution"], [color="success"], [color="info"], [color="notice"]):where([controls="right"]) .void-number-input-btn-group {
  border-left-color: var(--tone-border);
}

void-number-input:where([color="error"], [color="warning"], [color="caution"], [color="success"], [color="info"], [color="notice"]):where([controls="right"]) .void-number-input-btn-inc {
  border-bottom-color: var(--tone-border);
}

void-number-input:where([color="error"], [color="warning"], [color="caution"], [color="success"], [color="info"], [color="notice"]):focus-within {
  border-color: var(--tone);
  box-shadow: 0 0 0 1px var(--tone);
}

/* Size variants */
void-number-input[size="sm"] input.void-number-input-field {
  padding: var(--void-space-1) var(--void-space-2);
  font-size: var(--void-text-xs);
}

void-number-input[size="sm"] .void-number-input-btn {
  padding: 0 var(--void-space-2);
  font-size: var(--void-text-xs);
}

void-number-input[size="lg"] input.void-number-input-field {
  padding: var(--void-space-3) var(--void-space-4);
  font-size: var(--void-text-base);
}

void-number-input[size="lg"] .void-number-input-btn {
  padding: 0 var(--void-space-4);
}

void-number-input[size="sm"] .void-number-input-prefix,
void-number-input[size="sm"] .void-number-input-unit {
  font-size: var(--void-text-xs);
  padding-left: var(--void-space-2);
  padding-right: var(--void-space-2);
}

void-number-input[size="lg"] .void-number-input-prefix,
void-number-input[size="lg"] .void-number-input-unit {
  font-size: var(--void-text-base);
  padding-left: var(--void-space-4);
  padding-right: var(--void-space-4);
}

/* Disabled state */
void-number-input[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

void-number-input[disabled] input.void-number-input-field {
  cursor: not-allowed;
  pointer-events: none;
}

/* Readonly state */
void-number-input[readonly] input.void-number-input-field {
  cursor: default;
}