/* Component: Buttons */

.btn {
  background: var(--pfse-accent-primary);
  color: var(--pfse-bg);
  border: 1px solid var(--pfse-accent-primary);
  border-radius: var(--pfse-radius-sm);
  padding: var(--pfse-spacing-2) var(--pfse-spacing-3);
  cursor: pointer;
  transition:
    background var(--pfse-anim-micro) var(--pfse-ease-standard),
    color var(--pfse-anim-micro) var(--pfse-ease-standard),
    border-color var(--pfse-anim-micro) var(--pfse-ease-standard),
    box-shadow var(--pfse-anim-micro) var(--pfse-ease-standard),
    outline var(--pfse-anim-instant) var(--pfse-ease-standard),
    transform var(--pfse-anim-instant) var(--pfse-ease-standard);
}

.btn:focus-visible {
  outline: var(--pfse-focus-ring-width) solid var(--pfse-focus-ring-color);
  outline-offset: 2px;
}

.btn:hover {
  background: color-mix(in srgb, var(--pfse-accent-primary) 86%, var(--pfse-surface-primary) 14%);
}

.btn:active {
  transform: scale(var(--pfse-active-scale));
}

/* Compact, icon-only swatch button for color picks */

.btn-swatch {
  width: 24px;
  height: 24px;
  padding: 0;
  border: 1px solid var(--pfse-border-primary);
  border-radius: var(--pfse-radius-sm);
  background: var(--pfse-surface-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition:
    background var(--pfse-anim-micro) var(--pfse-ease-standard),
    border-color var(--pfse-anim-micro) var(--pfse-ease-standard),
    box-shadow var(--pfse-anim-micro) var(--pfse-ease-standard),
    outline var(--pfse-anim-instant) var(--pfse-ease-standard),
    transform var(--pfse-anim-instant) var(--pfse-ease-standard);
}

.btn-swatch:hover { background: var(--pfse-surface-primary); border-color: var(--pfse-border-secondary); }

.btn-swatch:active { transform: scale(var(--pfse-active-scale)); }

.btn-swatch[aria-pressed="true"] {
  border-color: var(--pfse-accent-primary);
  background: color-mix(in srgb, var(--pfse-accent-primary) 12%, var(--pfse-surface-primary) 88%);
}

/* Ghost buttons (neutral off-state). Support both single- and double-dash variants to match markup. */
.btn-ghost,
.btn--ghost {
  background: var(--pfse-surface-primary);
  color: var(--pfse-text-high);
  border: 1px solid var(--pfse-border-primary);
}

.btn-ghost:hover,
.btn--ghost:hover { background: var(--pfse-surface-secondary); }

/* Explicit primary alias when markup supplies btn-primary */
.btn-primary {
  background: var(--pfse-accent-primary);
  color: var(--pfse-bg);
  border-color: var(--pfse-accent-primary);
}

/* Pressed/selected visual for toggle buttons using aria-pressed */
.btn[aria-pressed="true"] {
  background: color-mix(in srgb, var(--pfse-accent-primary) 16%, var(--pfse-surface-primary) 84%);
  color: var(--pfse-text-high);
  border-color: var(--pfse-accent-primary);
}

.btn-ghost[aria-pressed="true"],
.btn--ghost[aria-pressed="true"] {
  background: color-mix(in srgb, var(--pfse-accent-primary) 14%, var(--pfse-surface-primary) 86%);
  color: var(--pfse-text-high);
  border-color: var(--pfse-accent-primary);
}

.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* Outline/danger variants (legacy aliases) */
.btn-outline { border-color: var(--pfse-accent-primary); color: var(--pfse-accent-primary); background: transparent; }

.btn-danger { border-color: var(--pfse-danger); color: var(--pfse-danger); background: transparent; }

/* Cursor utilities (Task 62) */
.cursor-pointer { cursor: pointer !important; }
.cursor-text { cursor: text !important; }
/* Disabled buttons retain pointer cursor by policy for consistent affordance; override only when explicitly using not-allowed semantics */