/**
 * assets/css/buttons.css
 * Purpose: All button variants — primary, ghost, icon.
 * Split from components.css to keep files under 200 lines.
 * Depends on: base.css (CSS variables).
 * Last modified: 2026-04-11
 */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9375rem;
  border: 1px solid transparent;
  transition: all var(--t-base);
  line-height: 1;
  white-space: nowrap;
}
.btn:hover {
  transform: translateY(-1px);
  text-decoration: none;
}
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: var(--shadow-glow);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border-color: var(--border-strong);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-faint);
  transition: all var(--t-fast);
}
.btn-icon:hover {
  background: rgba(255,255,255,0.07);
  color: var(--text);
  border-color: var(--border-strong);
  transform: none;
}
.btn-icon svg { width: 16px; height: 16px; }