/**
 * Booksi Design System — shared components
 */

.bk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-weight: var(--weight-button);
  font-size: 16px;
  line-height: 1.25;
  padding: 13px 22px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition:
    background-color 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.15s ease,
    filter 0.2s ease;
  will-change: transform;
}

.bk-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.bk-btn:hover:not(:disabled) {
  transform: translateY(-2px);
}

.bk-btn:active:not(:disabled) {
  transform: translateY(1px) scale(0.985);
  transition-duration: 0.08s;
}

.bk-btn--primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 4px 12px rgba(0, 108, 228, 0.28);
}

.bk-btn--primary:hover {
  background: var(--blue-hover);
  color: #fff;
  box-shadow: 0 8px 22px rgba(0, 108, 228, 0.4);
}

.bk-btn--primary:active {
  background: var(--blue-hover);
  box-shadow: 0 2px 8px rgba(0, 108, 228, 0.3);
}

.bk-btn--secondary {
  background: var(--card);
  color: var(--blue);
  border-color: var(--blue);
  box-shadow: 0 2px 8px rgba(0, 108, 228, 0.08);
}

.bk-btn--secondary:hover {
  background: var(--info-bg);
  color: var(--blue);
  box-shadow: 0 6px 16px rgba(0, 108, 228, 0.16);
}

.bk-btn--secondary:active {
  box-shadow: 0 1px 4px rgba(0, 108, 228, 0.12);
}

.bk-btn--lux {
  background: var(--lux-gold);
  color: var(--lux-navy);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  box-shadow: 0 4px 14px rgba(227, 176, 75, 0.35);
}

.bk-btn--lux:hover {
  background: var(--lux-gold-hover);
  color: var(--lux-navy);
  box-shadow: 0 8px 24px rgba(227, 176, 75, 0.45);
}

.bk-btn--lux:active {
  background: var(--lux-gold-hover);
  box-shadow: 0 2px 8px rgba(227, 176, 75, 0.3);
}

.bk-btn--block {
  width: 100%;
}

@media (prefers-reduced-motion: reduce) {
  .bk-btn {
    transition: background-color 0.15s ease, color 0.15s ease,
      border-color 0.15s ease;
  }

  .bk-btn:hover:not(:disabled),
  .bk-btn:active:not(:disabled) {
    transform: none;
  }
}

.bk-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.bk-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  background: var(--success);
  color: #fff;
  border-radius: var(--radius-pill);
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.3;
}

.bk-chip {
  display: inline-flex;
  align-items: center;
  background: var(--info-bg);
  color: var(--ink);
  border-radius: var(--radius-md);
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 600;
}

.bk-trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #f4f6f9;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-2);
  line-height: 1.3;
}

.bk-trust-badge__stars {
  color: var(--brand-yellow);
  letter-spacing: 1px;
}

.bk-container {
  width: 100%;
  max-width: var(--container-portal);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--side-padding-mobile);
  padding-right: var(--side-padding-mobile);
}

@media (min-width: 768px) {
  .bk-container {
    padding-left: var(--side-padding);
    padding-right: var(--side-padding);
  }
}

.bk-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: var(--eyebrow-tracking);
  text-transform: uppercase;
  color: var(--blue);
}

.bk-eyebrow--lux {
  color: var(--lux-gold);
}

.bk-page-title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: var(--heading-tracking);
  line-height: 1.2;
  color: var(--blue);
}

.bk-page-lead {
  margin: 0;
  font-size: 14px;
  line-height: 1.45;
  color: var(--ink);
}

@media (min-width: 768px) {
  .bk-page-title {
    font-size: 32px;
    line-height: 40px;
  }

  .bk-page-lead {
    font-size: 15px;
  }
}