#vp-support-launcher {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 10000;
  border: 0;
  border-radius: 999px;
  padding: 13px 18px;
  background: linear-gradient(135deg, #6d5dfc, #3b82f6);
  color: #fff;
  font: 600 14px/1 Inter, system-ui, sans-serif;
  box-shadow: 0 14px 40px rgba(30, 64, 175, .35);
  cursor: pointer;
}

#vp-support-panel {
  position: fixed;
  right: 22px;
  bottom: 80px;
  z-index: 10000;
  width: min(420px, calc(100vw - 24px));
  height: min(620px, calc(100vh - 110px));
  display: none;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, .28);
  border-radius: 18px;
  background: #0f172a;
  color: #e2e8f0;
  box-shadow: 0 24px 80px rgba(2, 6, 23, .55);
  font-family: Inter, system-ui, sans-serif;
}

#vp-support-panel[data-open="true"] { display: grid; }

.vp-support-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 16px;
  border-bottom: 1px solid rgba(148, 163, 184, .18);
  background: rgba(30, 41, 59, .9);
}

.vp-support-title { font-weight: 700; }
.vp-support-state { margin-top: 4px; color: #94a3b8; font-size: 11px; }
.vp-support-close { border: 0; background: transparent; color: #cbd5e1; font-size: 24px; cursor: pointer; }

.vp-support-messages {
  overflow-y: auto;
  padding: 16px;
  background: radial-gradient(circle at top, rgba(59, 130, 246, .09), transparent 36%);
}

.vp-support-message {
  width: fit-content;
  max-width: 88%;
  margin: 0 0 12px;
  padding: 10px 12px;
  border-radius: 13px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 13px;
  line-height: 1.5;
}

.vp-support-message[data-role="assistant"] { background: #1e293b; color: #e2e8f0; }
.vp-support-message[data-role="user"] { margin-left: auto; background: #2563eb; color: #fff; }
.vp-support-message[data-role="error"] { background: #451a1a; color: #fecaca; }

.vp-support-action {
  display: block;
  width: 100%;
  margin-top: 10px;
  border: 1px solid #f59e0b;
  border-radius: 10px;
  padding: 9px 10px;
  background: rgba(245, 158, 11, .12);
  color: #fde68a;
  font: inherit;
  cursor: pointer;
}

.vp-support-action:disabled { opacity: .55; cursor: wait; }

.vp-support-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid rgba(148, 163, 184, .18);
  background: #111827;
}

.vp-support-input {
  min-width: 0;
  border: 1px solid #334155;
  border-radius: 11px;
  padding: 11px 12px;
  background: #0f172a;
  color: #f8fafc;
  outline: none;
}

.vp-support-input:focus { border-color: #60a5fa; }
.vp-support-send { border: 0; border-radius: 11px; padding: 0 15px; background: #2563eb; color: #fff; font-weight: 700; cursor: pointer; }
.vp-support-send:disabled { opacity: .55; cursor: wait; }

@media (max-width: 520px) {
  #vp-support-launcher { right: 12px; bottom: 12px; }
  #vp-support-panel { right: 12px; bottom: 66px; width: calc(100vw - 24px); height: calc(100vh - 86px); }
}