/* Floating support entry — fixed mid-right tab on app pages */
.support-fab-root {
  position: fixed;
  top: 50%;
  right: 0;
  bottom: auto;
  transform: translateY(-50%);
  z-index: 50;
  font-family: "Source Sans 3", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

.support-fab-trigger {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  border: none;
  border-radius: 0.85rem 0 0 0.85rem;
  padding: 0.95rem 0.72rem 0.95rem 0.85rem;
  background: linear-gradient(180deg, #0d9488 0%, #0f766e 100%);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  box-shadow: -6px 0 28px rgba(15, 118, 110, 0.42);
  cursor: pointer;
  transition: box-shadow 0.2s ease, background 0.2s ease, padding-right 0.2s ease;
}

.support-fab-trigger:hover {
  padding-right: 0.9rem;
  box-shadow: -8px 0 34px rgba(15, 118, 110, 0.5);
}

.support-fab-trigger:focus-visible {
  outline: 2px solid #5eead4;
  outline-offset: 3px;
}

.support-fab-trigger[aria-expanded="true"] {
  background: linear-gradient(135deg, #115e59 0%, #0d9488 100%);
}

.support-fab-trigger-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.35rem;
  height: 1.35rem;
}

.support-fab-panel {
  position: absolute;
  right: calc(100% + 0.85rem);
  top: 50%;
  bottom: auto;
  width: min(18.5rem, calc(100vw - 5.5rem));
  border-radius: 1.25rem;
  border: 1px solid rgba(21, 32, 24, 0.08);
  background: #fff;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-50%) translateX(12px) scale(0.98);
  transform-origin: center right;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  overflow: hidden;
}

.support-fab-panel.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0) scale(1);
}

.support-fab-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 1rem 0.75rem;
  border-bottom: 1px solid rgba(21, 32, 24, 0.06);
}

.support-fab-panel-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: #152018;
}

.support-fab-panel-sub {
  margin: 0.25rem 0 0;
  font-size: 0.75rem;
  line-height: 1.5;
  color: #5c6b61;
}

.support-fab-close {
  flex-shrink: 0;
  border: none;
  background: #f4f7f5;
  color: #5c6b61;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 999px;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
}

.support-fab-close:hover {
  background: #e7ece9;
  color: #152018;
}

.support-fab-section {
  padding: 0.85rem 1rem;
}

.support-fab-section + .support-fab-section {
  border-top: 1px solid rgba(21, 32, 24, 0.06);
}

.support-fab-section-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 0.45rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: #0f766e;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.support-fab-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: #ccfbf1;
  color: #115e59;
  padding: 0.1rem 0.45rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: none;
}

.support-fab-copy {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.55;
  color: #5c6b61;
}

.support-fab-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.65rem;
}

.support-fab-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.support-fab-btn-primary {
  background: #0f766e;
  color: #fff;
}

.support-fab-btn-primary:hover {
  background: #115e59;
  color: #fff;
}

.support-fab-btn-secondary {
  border: 1px solid #cbd5e1;
  background: #fff;
  color: #334155;
}

.support-fab-btn-secondary:hover {
  border-color: #94a3b8;
  color: #0f172a;
}

.support-fab-qr-wrap {
  margin-top: 0.55rem;
  border-radius: 0.85rem;
  border: 1px solid #e7ece9;
  background: #f8faf9;
  padding: 0.55rem;
}

.support-fab-qr {
  display: block;
  width: 100%;
  max-width: 9.5rem;
  margin: 0 auto;
  border-radius: 0.65rem;
}

.support-fab-qr-caption {
  margin: 0.45rem 0 0;
  text-align: center;
  font-size: 0.7rem;
  color: #94a3b8;
}

.support-fab-trigger-label {
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

@media (max-width: 699px) {
  .support-fab-panel {
    right: calc(100% + 0.55rem);
    width: min(17rem, calc(100vw - 4.5rem));
  }

  .support-fab-trigger {
    padding: 0.85rem 0.6rem 0.85rem 0.72rem;
    font-size: 0.75rem;
  }
}