/* ═══════════════════════════════════════════
   SUPPORT WIDGET – trang chủ
═══════════════════════════════════════════ */
.support-widget {
  --sw-z: 2100;
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: var(--sw-z);
}

.support-widget.is-open {
  pointer-events: auto;
}

.support-widget-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(42, 31, 23, 0.45);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s var(--ease), visibility 0.35s;
  backdrop-filter: blur(4px);
}

.support-widget.is-open .support-widget-backdrop {
  opacity: 1;
  visibility: visible;
}

.support-widget-panel {
  position: absolute;
  right: 24px;
  bottom: 96px;
  width: min(380px, calc(100vw - 32px));
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r);
  box-shadow: var(--sh);
  padding: 28px 24px 22px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.96);
  transform-origin: bottom right;
  transition:
    opacity 0.35s var(--ease),
    transform 0.35s var(--ease),
    visibility 0.35s;
}

.support-widget.is-open .support-widget-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.support-widget-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--cream);
  color: var(--ink-mid);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: 0.2s var(--ease);
}

.support-widget-close:hover {
  background: var(--gold-light);
  border-color: var(--gold);
  color: var(--gold-dark);
}

.support-widget-header {
  padding-right: 28px;
  margin-bottom: 18px;
}

.support-widget-badge {
  display: inline-block;
  font-size: 0.68rem;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--gold-dark);
  background: var(--gold-light);
  border: 1px solid rgba(196, 69, 106, 0.15);
  border-radius: 999px;
  padding: 5px 12px;
  margin-bottom: 12px;
}

.support-widget-header h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.55rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.25;
  margin-bottom: 8px;
}

.support-widget-header p {
  font-size: 0.84rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

.support-widget-channels {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.support-channel {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--cream);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: 0.22s var(--ease);
}

a.support-channel {
  text-decoration: none;
}

.support-channel:hover {
  border-color: var(--channel-color, var(--gold));
  background: var(--white);
  box-shadow: var(--sh-sm);
  transform: translateX(2px);
}

.support-channel-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--channel-color, var(--gold)) 12%, white);
  color: var(--channel-color, var(--gold));
  font-size: 1.05rem;
}

.support-channel-icon svg {
  width: 22px;
  height: 22px;
}

.support-channel-text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.support-channel-text strong {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink);
}

.support-channel-text small {
  font-size: 0.76rem;
  color: var(--ink-soft);
  line-height: 1.4;
}

.support-channel-arrow {
  flex-shrink: 0;
  font-size: 0.72rem;
  color: var(--ink-soft);
  opacity: 0.5;
  transition: 0.2s var(--ease);
}

.support-channel:hover .support-channel-arrow {
  opacity: 1;
  color: var(--channel-color, var(--gold));
  transform: translateX(2px);
}

.support-widget-note {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 0.74rem;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 8px;
}

.support-widget-note i {
  color: var(--gold);
}

/* Floating action button */
.support-widget-fab {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 58px;
  height: 58px;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  color: var(--white);
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(196, 69, 106, 0.38);
  pointer-events: auto;
  z-index: calc(var(--sw-z) + 1);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
  overflow: hidden;
}

.support-widget-fab:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 14px 34px rgba(196, 69, 106, 0.45);
}

.support-widget-fab-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
}

.support-widget-fab-icon--close {
  opacity: 0;
  transform: rotate(-90deg) scale(0.7);
}

.support-widget.is-open .support-widget-fab-icon--open {
  opacity: 0;
  transform: rotate(90deg) scale(0.7);
}

.support-widget.is-open .support-widget-fab-icon--close {
  opacity: 1;
  transform: none;
}

.support-widget-fab-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.55);
  animation: supportFabPulse 2.2s ease-out infinite;
  pointer-events: none;
}

.support-widget.is-open .support-widget-fab-pulse,
.support-widget.has-seen .support-widget-fab-pulse {
  animation: none;
  opacity: 0;
}

@keyframes supportFabPulse {
  0% {
    transform: scale(1);
    opacity: 0.7;
  }
  100% {
    transform: scale(1.55);
    opacity: 0;
  }
}

@media (max-width: 575px) {
  .support-widget-panel {
    right: 16px;
    left: 16px;
    bottom: 88px;
    width: auto;
  }

  .support-widget-fab {
    right: 16px;
    bottom: 16px;
    width: 54px;
    height: 54px;
  }
}