/* Onsite Chat Widget — Emporio Growth Engine */
#onsite-chat-root {
  --widget-primary: #7C3AED;
  --widget-primary-hover: #6D28D9;
  --widget-primary-light: #f5f3ff;
  --widget-bg: #ffffff;
  --widget-surface: #f7f7f8;
  --widget-text: #18181b;
  --widget-muted: #71717a;
  --widget-border: #e4e4e7;
  --widget-radius: 20px;
  --widget-shadow: 0 12px 40px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.06);
  --widget-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-family: var(--widget-font);
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 999999;
}

/* ── FAB ─────────────────────────────────────────────────────────────── */
.onsite-fab {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7C3AED 0%, #9333ea 100%);
  border: 2px solid rgba(255,255,255,0.22);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 22px rgba(124,58,237,0.5);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s;
  animation: onsite-fab-pulse 2.5s ease-out infinite;
  position: relative;
}
.onsite-fab:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 8px 30px rgba(124,58,237,0.65);
}
.onsite-fab:active {
  transform: scale(0.95);
  animation: none;
}
.onsite-fab svg { width: 44px; height: 44px; }

@keyframes onsite-fab-pulse {
  0%   { box-shadow: 0 4px 22px rgba(124,58,237,0.5), 0 0 0 0   rgba(124,58,237,0.5); }
  70%  { box-shadow: 0 4px 22px rgba(124,58,237,0.5), 0 0 0 14px rgba(124,58,237,0);  }
  100% { box-shadow: 0 4px 22px rgba(124,58,237,0.5), 0 0 0 0   rgba(124,58,237,0);  }
}


/* Callout tooltip — lateral text shown a few seconds after load */
.onsite-fab-callout {
  position: absolute;
  bottom: 14px;
  right: 74px;
  background: white;
  color: #18181b;
  border-radius: 14px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.45;
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(0,0,0,0.13), 0 1px 4px rgba(0,0,0,0.06);
  pointer-events: none;
  opacity: 0;
  transform: translateX(10px) scale(0.94);
  transition: opacity 0.35s ease, transform 0.35s cubic-bezier(0.34,1.56,0.64,1);
}
.onsite-fab-callout::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  width: 0; height: 0;
  border: 6px solid transparent;
  border-right: none;
  border-left-color: white;
}
.onsite-fab-callout.visible {
  opacity: 1;
  transform: translateX(0) scale(1);
  pointer-events: auto;
}
.onsite-fab-callout.hiding {
  opacity: 0;
  transform: translateX(10px) scale(0.94);
  pointer-events: none;
}

/* ── Panel ───────────────────────────────────────────────────────────── */
.onsite-panel {
  display: none;
  flex-direction: column;
  width: 380px;
  max-width: calc(100vw - 32px);
  height: 540px;
  max-height: calc(100vh - 100px);
  background: var(--widget-bg);
  border-radius: var(--widget-radius);
  box-shadow: var(--widget-shadow);
  overflow: hidden;
  position: absolute;
  bottom: 70px;
  right: 0;
}
.onsite-panel.open { display: flex; }

/* ── Backdrop & Handle (mobile only) ────────────────────────────────── */
.onsite-backdrop {
  display: none;
}
.onsite-handle {
  display: none;
}

/* ── Header ──────────────────────────────────────────────────────────── */
.onsite-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--widget-border);
  background: var(--widget-bg);
  flex-shrink: 0;
}
.onsite-header-info { display: flex; align-items: center; gap: 10px; }
.onsite-header-avatar {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, #7C3AED, #A78BFA);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 700; font-size: 14px;
}
.onsite-header-name { font-size: 14px; font-weight: 600; color: var(--widget-text); letter-spacing: -0.01em; display: flex; align-items: center; gap: 4px; }

/* ── AI Sparkles ─────────────────────────────────────────────────────── */
.onsite-ai-sparkles {
  display: inline-flex;
  align-items: center;
  position: relative;
  width: 18px;
  height: 16px;
  flex-shrink: 0;
  vertical-align: middle;
}
.onsite-sparkle {
  position: absolute;
}
.onsite-sparkle-1 {
  top: 0;
  left: 0;
  animation: onsite-sparkle-pulse-1 2s ease-in-out infinite;
}
.onsite-sparkle-2 {
  bottom: 0;
  right: 0;
  animation: onsite-sparkle-pulse-2 2s ease-in-out 0.6s infinite;
}
@keyframes onsite-sparkle-pulse-1 {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.6) translateY(1px); }
}
@keyframes onsite-sparkle-pulse-2 {
  0%, 100% { opacity: 0.5; transform: scale(0.7); }
  50% { opacity: 1; transform: scale(1.1) translateY(-1px); }
}
.onsite-header-status { font-size: 11px; color: #10b981; display: flex; align-items: center; gap: 4px; }
.onsite-header-dot { width: 6px; height: 6px; background: #10b981; border-radius: 50%; }
.onsite-header-actions { display: flex; align-items: center; gap: 2px; }
.onsite-close, .onsite-reset {
  background: none; border: none; cursor: pointer; padding: 6px;
  color: var(--widget-muted); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}
.onsite-close svg, .onsite-reset svg { fill: currentColor; }
.onsite-close svg path { fill: #000; }
.onsite-close:hover, .onsite-reset:hover { background: var(--widget-surface); color: var(--widget-text); }

/* ── Body ────────────────────────────────────────────────────────────── */
.onsite-body { flex: 1; overflow: hidden; display: flex; flex-direction: column; }

/* ── Messages ────────────────────────────────────────────────────────── */
.onsite-messages {
  flex: 1;
  overflow-y: auto;
  padding: 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.onsite-msg {
  max-width: 84%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 13.5px;
  line-height: 1.45;
  word-wrap: break-word;
}
.onsite-msg.user {
  align-self: flex-end;
  background: var(--widget-primary);
  color: white;
  border-bottom-right-radius: 4px;
}
.onsite-msg.assistant {
  align-self: flex-start;
  background: var(--widget-surface);
  color: var(--widget-text);
  border-bottom-left-radius: 4px;
}

.onsite-typing {
  align-self: flex-start;
  padding: 8px 14px;
  font-size: 12px;
  color: var(--widget-muted);
  font-style: italic;
}

/* ── Products ────────────────────────────────────────────────────────── */
.onsite-product-card {
  display: flex;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--widget-border);
  border-radius: 12px;
  margin-top: 6px;
  background: white;
  text-decoration: none;
  color: var(--widget-text);
  transition: border-color 0.15s;
}
.onsite-product-card:hover { border-color: var(--widget-primary); }
.onsite-product-img {
  width: 58px; height: 58px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--widget-surface);
}
.onsite-product-info { flex: 1; min-width: 0; }
.onsite-product-title { font-size: 12.5px; font-weight: 600; margin: 0 0 2px; }
.onsite-product-compat {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 500;
  color: #0f766e;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  padding: 2px 8px;
  border-radius: 999px;
  margin: 2px 0 4px;
  line-height: 1.4;
}
.onsite-product-price { font-size: 12px; color: var(--widget-primary); font-weight: 600; }
.onsite-product-installments { font-size: 10.5px; color: var(--widget-muted); }

.onsite-variant-buttons { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 6px; }
.onsite-variant-btn {
  padding: 4px 10px;
  border: 1px solid var(--widget-border);
  border-radius: 6px;
  background: white;
  font-size: 11px;
  font-weight: 500;
  font-family: var(--widget-font);
  color: var(--widget-text);
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
}
.onsite-variant-btn:hover { border-color: var(--widget-primary); background: var(--widget-primary-light); color: var(--widget-primary); }

/* ── Lines Grid ──────────────────────────────────────────────────────── */
.onsite-lines-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; margin-top: 6px; max-width: 85%; }
.onsite-line-card {
  display: flex; flex-direction: column; align-items: center; padding: 10px 6px;
  border: 1px solid var(--widget-border); border-radius: 10px; background: white;
  cursor: pointer; font-family: var(--widget-font); transition: border-color 0.15s, box-shadow 0.15s;
}
.onsite-line-card:hover { border-color: var(--widget-primary); box-shadow: 0 2px 8px rgba(124,58,237,0.1); }
.onsite-line-card img { width: 52px; height: 52px; border-radius: 8px; object-fit: cover; margin-bottom: 4px; }
.onsite-line-card span { font-size: 11.5px; font-weight: 600; color: var(--widget-text); text-align: center; }
.onsite-line-placeholder { width: 52px; height: 52px; border-radius: 8px; background: var(--widget-surface); margin-bottom: 4px; }

.onsite-action-btn {
  display: inline-block; margin-top: 6px; padding: 8px 16px;
  background: var(--widget-primary); color: white; border: none;
  border-radius: 10px; font-size: 12px; font-weight: 600; cursor: pointer;
}
.onsite-action-btn:hover { background: var(--widget-primary-hover); }

/* ── Menu ────────────────────────────────────────────────────────────── */
.onsite-menu {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow-y: auto;
}
.onsite-menu-greeting {
  padding: 20px 20px 16px;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--widget-text);
  font-weight: 400;
}
.onsite-menu-items {
  padding: 0 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.onsite-menu-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 14px 16px;
  border: none;
  border-radius: 12px;
  background: transparent;
  cursor: pointer;
  font-family: var(--widget-font);
  text-align: left;
  transition: background 0.15s;
}
.onsite-menu-btn:hover { background: var(--widget-surface); }
.onsite-menu-btn:active { background: #ededee; }
.onsite-menu-btn-text { display: flex; flex-direction: column; gap: 1px; }
.onsite-menu-btn-label { font-size: 13.5px; font-weight: 600; color: var(--widget-text); letter-spacing: -0.01em; }
.onsite-menu-btn-hint { font-size: 11.5px; color: var(--widget-muted); line-height: 1.3; }
.onsite-menu-btn-arrow { font-size: 20px; color: #d4d4d8; font-weight: 300; transition: color 0.15s; }
.onsite-menu-btn:hover .onsite-menu-btn-arrow { color: var(--widget-primary); }

/* ── Tracking Panel ──────────────────────────────────────────────────── */
.onsite-tracking-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.onsite-track-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--widget-border);
  flex-shrink: 0;
}
.onsite-back-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--widget-font);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--widget-muted);
  padding: 4px 8px 4px 4px;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}
.onsite-back-btn svg { fill: currentColor; }
.onsite-back-btn:hover { background: var(--widget-surface); color: var(--widget-text); }
.onsite-track-title {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--widget-text);
  letter-spacing: -0.01em;
}

.onsite-track-body {
  flex: 1;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.onsite-track-options { display: flex; flex-direction: column; gap: 4px; }

.onsite-track-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--widget-border);
  border-radius: 12px;
  background: var(--widget-bg);
  cursor: pointer;
  font-family: var(--widget-font);
  text-align: left;
  transition: border-color 0.15s, background 0.15s;
}
.onsite-track-option:hover { border-color: var(--widget-primary); background: var(--widget-primary-light); }
.onsite-track-option:active { background: #ede9fe; }
.onsite-track-option-label { font-size: 13px; font-weight: 600; color: var(--widget-text); }
.onsite-track-option-arrow { font-size: 18px; color: #d4d4d8; transition: color 0.15s; }
.onsite-track-option:hover .onsite-track-option-arrow { color: var(--widget-primary); }

.onsite-track-tips {
  padding: 10px 12px;
  background: var(--widget-surface);
  border-radius: 10px;
}
.onsite-track-tips p {
  font-size: 11px;
  color: var(--widget-muted);
  line-height: 1.45;
  margin: 0 0 4px;
}
.onsite-track-tips p:last-child { margin-bottom: 0; }

/* ── Tracking Form ───────────────────────────────────────────────────── */
.onsite-track-form { display: flex; flex-direction: column; gap: 10px; }
.onsite-track-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--widget-text);
  letter-spacing: -0.01em;
}
.onsite-track-label-sm {
  font-size: 11.5px;
  font-weight: 500;
  color: var(--widget-muted);
}
.onsite-track-input {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--widget-border);
  border-radius: 10px;
  font-size: 13.5px;
  font-family: var(--widget-font);
  color: var(--widget-text);
  outline: none;
  transition: border-color 0.15s;
  box-sizing: border-box;
}
.onsite-track-input:focus { border-color: var(--widget-primary); }
.onsite-track-input::placeholder { color: #a1a1aa; }

.onsite-track-submit {
  width: 100%;
  padding: 11px 0;
  border: none;
  border-radius: 10px;
  background: var(--widget-primary);
  color: white;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--widget-font);
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}
.onsite-track-submit:hover { background: var(--widget-primary-hover); }
.onsite-track-submit:disabled { opacity: 0.35; cursor: default; }

.onsite-track-loading {
  text-align: center;
  padding: 40px 0;
  font-size: 13px;
  color: var(--widget-muted);
}

/* ── Tracking Alt Link ────────────────────────────────────────────────── */
.onsite-track-alt-link {
  display: block;
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--widget-font);
  font-size: 11.5px;
  color: var(--widget-primary);
  text-align: left;
  padding: 4px 0;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.15s;
}
.onsite-track-alt-link:hover { color: var(--widget-primary-hover); }

/* ── Tracking Result ─────────────────────────────────────────────────── */
.onsite-track-result { display: flex; flex-direction: column; gap: 12px; }
.onsite-track-result-header { display: flex; flex-direction: column; gap: 2px; }
.onsite-track-result-num { font-size: 15px; font-weight: 700; color: var(--widget-text); letter-spacing: -0.02em; }
.onsite-track-result-name { font-size: 12px; color: var(--widget-muted); }

.onsite-track-result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.onsite-track-result-cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  background: var(--widget-surface);
  border-radius: 10px;
}
.onsite-track-result-label { font-size: 10.5px; font-weight: 500; color: var(--widget-muted); text-transform: uppercase; letter-spacing: 0.03em; }
.onsite-track-result-value { font-size: 13px; font-weight: 600; color: var(--widget-text); }

.onsite-track-items {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 12px;
  background: var(--widget-surface);
  border-radius: 10px;
}
.onsite-track-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--widget-text);
  line-height: 1.4;
}
.onsite-track-item-qty { font-size: 11px; color: var(--widget-muted); font-weight: 500; flex-shrink: 0; }

/* ── Tracking Link Block ─────────────────────────────────────────────── */
.onsite-track-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border: 1px solid var(--widget-border);
  border-radius: 12px;
  background: var(--widget-bg);
  text-decoration: none;
  color: var(--widget-text);
  transition: border-color 0.15s, background 0.15s;
  margin-top: 4px;
  max-width: 85%;
}
.onsite-track-link:hover { border-color: var(--widget-primary); background: var(--widget-primary-light); }
.onsite-track-link-content { display: flex; flex-direction: column; gap: 2px; }
.onsite-track-link-label { font-size: 13px; font-weight: 600; color: var(--widget-text); }
.onsite-track-link-carrier { font-size: 11px; color: var(--widget-muted); font-family: monospace; letter-spacing: 0.3px; }
.onsite-track-link-arrow { font-size: 16px; color: var(--widget-primary); font-weight: 600; flex-shrink: 0; }

/* ── Pickup Info ──────────────────────────────────────────────────────── */
.onsite-track-pickup-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  background: var(--widget-surface);
  border-radius: 10px;
  border-left: 3px solid var(--widget-primary);
}
.onsite-track-pickup-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--widget-text);
}
.onsite-track-pickup-detail {
  font-size: 11.5px;
  color: var(--widget-muted);
  line-height: 1.4;
}

.onsite-track-no-code {
  font-size: 12px;
  color: var(--widget-muted);
  padding: 10px 12px;
  background: var(--widget-surface);
  border-radius: 10px;
  line-height: 1.45;
}

.onsite-track-chat-btn {
  width: 100%;
  padding: 10px 0;
  border: 1px solid var(--widget-border);
  border-radius: 10px;
  background: var(--widget-bg);
  color: var(--widget-text);
  font-size: 12.5px;
  font-weight: 600;
  font-family: var(--widget-font);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  margin-top: 4px;
}
.onsite-track-chat-btn:hover { border-color: var(--widget-primary); background: var(--widget-primary-light); }

/* ── Multiple Orders Pick ────────────────────────────────────────────── */
.onsite-track-order-pick {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--widget-border);
  border-radius: 10px;
  background: var(--widget-bg);
  cursor: pointer;
  font-family: var(--widget-font);
  text-align: left;
  transition: border-color 0.15s, background 0.15s;
  margin-bottom: 4px;
}
.onsite-track-order-pick:hover { border-color: var(--widget-primary); background: var(--widget-primary-light); }
.onsite-track-order-info { display: flex; flex-direction: column; gap: 2px; }
.onsite-track-order-num { font-size: 13px; font-weight: 600; color: var(--widget-text); }
.onsite-track-order-date { font-size: 11px; color: var(--widget-muted); }
.onsite-track-order-items { font-size: 11px; color: var(--widget-muted); }

/* ── Tracking Error ──────────────────────────────────────────────────── */
.onsite-track-error {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 0;
}
.onsite-track-error-text {
  font-size: 13px;
  color: var(--widget-text);
  text-align: center;
  line-height: 1.45;
}

/* ── Footer ──────────────────────────────────────────────────────────── */
.onsite-footer {
  padding: 8px 14px 10px;
  border-top: 1px solid var(--widget-border);
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
  background: var(--widget-surface, #fafafa);
}
.onsite-footer-badge {
  align-self: flex-start;
  font-size: 8px;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: #c4b5d6;
  background: transparent;
  border: none;
  padding: 0;
  border-radius: 0;
  line-height: 1.4;
}
.onsite-footer-text {
  font-size: 10.5px;
  color: var(--widget-muted);
  line-height: 1.35;
}
.onsite-footer-link {
  color: #059669;
  font-weight: 600;
  text-decoration: none;
}
.onsite-footer-link:hover { text-decoration: underline; }

/* ── Input Area ──────────────────────────────────────────────────────── */
.onsite-input-area {
  padding: 10px 14px;
  border-top: 1px solid var(--widget-border);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.onsite-back-to-menu {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: none;
  border: 1px solid var(--widget-border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--widget-muted);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  padding: 0;
}
.onsite-back-to-menu svg { fill: currentColor; width: 16px; height: 16px; }
.onsite-back-to-menu:hover { background: var(--widget-surface); color: var(--widget-text); border-color: var(--widget-text); }

.onsite-input {
  flex: 1;
  border: 1px solid var(--widget-border);
  border-radius: 10px;
  padding: 9px 14px;
  font-size: 13px;
  font-family: var(--widget-font);
  outline: none;
  color: var(--widget-text);
  resize: none;
  line-height: 1.4;
  max-height: 120px;
  overflow-y: auto;
}
.onsite-input:focus { border-color: var(--widget-primary); }
.onsite-send {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--widget-primary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: opacity 0.15s;
}
.onsite-send:disabled { opacity: 0.35; cursor: default; }
.onsite-send svg { width: 16px; height: 16px; fill: white; }

/* ── Mobile ──────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  /* Bottom sheet panel */
  .onsite-panel {
    display: flex;                          /* always flex; transform controls visibility */
    width: 100vw;
    height: 88vh;
    max-height: 88vh;
    bottom: 0;
    left: 0;
    right: 0;
    border-radius: 20px 20px 0 0;
    position: fixed;
    padding-bottom: env(safe-area-inset-bottom, 0);
    transform: translateY(100%);
    transition: transform 300ms cubic-bezier(0.32, 0.72, 0, 1);
    will-change: transform;
    z-index: 2;
  }
  .onsite-panel.open {
    transform: translateY(0);
  }

  /* Backdrop */
  .onsite-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 250ms ease;
    z-index: 1;
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
  }
  .onsite-backdrop.visible {
    opacity: 1;
    pointer-events: auto;
  }

  /* Handle (grab bar) */
  .onsite-handle {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 20px;
    padding: 10px 0 6px;
    flex-shrink: 0;
    cursor: grab;
    touch-action: none;
  }
  .onsite-handle > span {
    display: block;
    width: 40px;
    height: 5px;
    border-radius: 999px;
    background: #d4d4d8;
  }

  /* Bigger touch targets for header buttons */
  .onsite-close, .onsite-reset {
    width: 44px;
    height: 44px;
    padding: 10px;
  }

  /* FAB position (unchanged from before) */
  #onsite-chat-root {
    bottom: 80px;
    right: 4px;
  }
  #onsite-chat-root.widget-open .onsite-fab { display: none; }

  /* No purple circle on mobile — just the icon */
  .onsite-fab {
    background: transparent;
    border: none;
    box-shadow: none;
    animation: onsite-fab-pulse-mobile 2.2s ease-in-out infinite;
  }
  .onsite-fab:hover { box-shadow: none; transform: scale(1.06); }
  .onsite-fab svg {
    filter: drop-shadow(0 2px 10px rgba(0,0,0,0.28));
  }

  /* Anti-zoom iOS (from Task 2) */
  .onsite-input,
  .onsite-track-input {
    font-size: 16px;
  }
}

/* Dynamic viewport height (better on iOS Safari) */
@supports (height: 88dvh) {
  @media (max-width: 480px) {
    .onsite-panel {
      height: 88dvh;
      max-height: 88dvh;
    }
  }
}

@keyframes onsite-fab-pulse-mobile {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.09); }
}