/* ===================================
   REUSABLE UI COMPONENTS
   =================================== */

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition:
    background-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast),
    opacity var(--transition-fast);
  cursor: pointer;
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(14, 135, 204, 0.25);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background-color: var(--brand-primary);
  color: #ffffff;
}

.btn--primary:hover {
  background-color: var(--brand-primary-hover);
}

.btn--secondary {
  background-color: var(--color-text-primary);
  color: var(--color-bg);
}

.btn--secondary:hover {
  background-color: #1a2535;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .btn--secondary {
  background-color: #1a1f2e;
  color: #ffffff;
}

[data-theme="light"] .btn--secondary:hover {
  background-color: #252d40;
}

.btn--secondary-outline {
  background-color: transparent;
  color: var(--color-text-secondary);
  border: 1.5px solid var(--color-border);
}

.btn--secondary-outline:hover {
  background-color: var(--color-surface-hover);
  border-color: var(--color-text-muted);
  color: var(--color-text-primary);
  box-shadow: none;
}

/* macOS dual-download group */
.macos-download-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.btn--full {
  width: 100%;
}

/* ---- THEME TOGGLE ---- */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
  cursor: pointer;
}

.theme-toggle:hover {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
}

/* Show correct icon per theme */
[data-theme="light"] .theme-toggle__icon--dark { display: flex; }
[data-theme="light"] .theme-toggle__icon--light { display: none; }
[data-theme="dark"] .theme-toggle__icon--dark { display: none; }
[data-theme="dark"] .theme-toggle__icon--light { display: flex; }

.theme-toggle__icon {
  align-items: center;
  justify-content: center;
}

/* ---- STATUS BADGE ---- */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.status-badge--operational {
  background-color: var(--color-status-bg);
  color: var(--color-status-text);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-badge__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-status-dot);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(0.85); }
}

/* ---- RELEASE BADGE ---- */
.release-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  background-color: var(--color-release-bg);
  color: var(--color-release-text);
  border: 1px solid var(--color-release-border);
  margin-bottom: var(--space-5);
}

.release-badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--brand-primary);
  animation: pulse-dot 2.2s ease-in-out infinite;
}

/* ---- HERO PILLS ---- */
.hero__pills {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  list-style: none;
  margin-top: var(--space-5);
  margin-bottom: var(--space-6);
}

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

/* ---- BUILT BY ---- */
.hero__built-by {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.hero__built-by strong {
  color: var(--color-text-primary);
  font-weight: 600;
}

.built-by-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-primary);
  opacity: 0.7;
}

/* ---- REQUIREMENT TAG ---- */
.req-tag {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
  font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
  background-color: var(--color-req-tag-bg);
  color: var(--color-req-tag-text);
  border: 1px solid var(--color-req-tag-border);
  margin-top: var(--space-4);
}

/* ---- CARD BASE ---- */
.card-base {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-card-shadow);
  transition:
    background-color var(--transition-slow),
    border-color var(--transition-slow),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

.card-base:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}