/**
 * XSV AI Assistant Stylesheet - 2026 Modern Edition
 *
 * Designed for Maximum Speed, Zero Lag, and Rock-Solid Stability
 * especially inside Facebook In-App Browser (FB WebView) & Mobile Safari.
 *
 * Strict Design Principles:
 * - 0 Border Radius (border-radius: 0 !important everywhere)
 * - 0 Box Shadows / 0 Text Shadows (box-shadow: none !important)
 * - 16px Base Font Size for input (strictly eliminates iOS / FB App auto-zoom)
 * - Fullscreen App Experience on Mobile with Dynamic VisualViewport sync
 * - High Contrast (WCAG AA/AAA compliant) & High Information Density
 */

:root {
  --xsv-ai-primary: #c80505;
  --xsv-ai-primary-dark: #990000;
  --xsv-ai-primary-light: #fef2f2;
  --xsv-ai-surface: #ffffff;
  --xsv-ai-surface-subtle: #f8fafc;
  --xsv-ai-text: #0f172a;
  --xsv-ai-text-muted: #64748b;
  --xsv-ai-border: #e2e8f0;
  --xsv-ai-border-dark: #cbd5e1;
  --xsv-ai-user-bg: #0f172a;
  --xsv-ai-user-text: #ffffff;
  --xsv-ai-bot-bg: #ffffff;
  --xsv-ai-bot-text: #0f172a;
  --xsv-ai-offset-bottom: 75px;
  --xsv-ai-offset-right: 20px;
  --xsv-ai-offset-left: 20px;
  --xsv-ai-offset-top: 75px;
  --xsv-ai-vh: 100vh;
  --xsv-ai-vtop: 0px;
}

/* ==========================================================================
   1. Floating Launcher Button
   ========================================================================== */
.xsv-ai-launcher {
  position: fixed;
  bottom: var(--xsv-ai-offset-bottom, 75px);
  right: var(--xsv-ai-offset-right, 20px);
  z-index: 99998;
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--xsv-ai-primary, #c80505);
  color: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 0 !important;
  box-shadow: none !important;
  text-shadow: none !important;
  cursor: pointer;
  padding: 8px 14px;
  font-family: inherit;
  user-select: none;
  touch-action: manipulation;
  transition: filter 0.15s ease;
  will-change: transform;
}

.xsv-ai-launcher:hover,
.xsv-ai-launcher:focus {
  filter: brightness(0.92);
  color: #ffffff;
  outline: none;
}

.xsv-ai-launcher.is-hidden {
  display: none !important;
}

.xsv-ai-launcher-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.xsv-ai-sparkle {
  color: #fef08a;
  font-size: 15px;
  margin-right: 3px;
}

.xsv-ai-robot {
  background-color: #ffffff;
  color: var(--xsv-ai-primary, #c80505);
  font-size: 11.5px;
  font-weight: 800;
  padding: 2px 5px;
  border-radius: 0 !important;
  letter-spacing: 0.5px;
}

.xsv-ai-emoji-icon {
  font-size: 20px;
  line-height: 1;
}

.xsv-ai-launcher-text {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.xsv-ai-badge {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.25;
  color: #ffffff;
}

.xsv-ai-sub {
  font-size: 11px;
  color: #fee2e2;
  line-height: 1.25;
}

/* Desktop Position Variants for Launcher */
@media (min-width: 769px) {
  .xsv-ai-launcher.pos-bottom-right {
    bottom: var(--xsv-ai-offset-bottom, 75px) !important;
    right: var(--xsv-ai-offset-right, 20px) !important;
    left: auto !important;
    top: auto !important;
  }

  .xsv-ai-launcher.pos-bottom-left {
    bottom: var(--xsv-ai-offset-bottom, 75px) !important;
    left: var(--xsv-ai-offset-left, 20px) !important;
    right: auto !important;
    top: auto !important;
  }

  .xsv-ai-launcher.pos-middle-right {
    top: 50% !important;
    right: 0 !important;
    bottom: auto !important;
    left: auto !important;
    transform: translateY(-50%) !important;
    border-right: none !important;
  }

  .xsv-ai-launcher.pos-middle-left {
    top: 50% !important;
    left: 0 !important;
    bottom: auto !important;
    right: auto !important;
    transform: translateY(-50%) !important;
    border-left: none !important;
  }

  .xsv-ai-launcher.pos-top-right {
    top: var(--xsv-ai-offset-top, 75px) !important;
    right: var(--xsv-ai-offset-right, 20px) !important;
    bottom: auto !important;
    left: auto !important;
  }

  .xsv-ai-launcher.pos-top-left {
    top: var(--xsv-ai-offset-top, 75px) !important;
    left: var(--xsv-ai-offset-left, 20px) !important;
    bottom: auto !important;
    right: auto !important;
  }

  .xsv-ai-launcher.pos-bottom-bar {
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    top: auto !important;
    width: 100% !important;
    justify-content: center !important;
    border-left: none !important;
    border-right: none !important;
    border-bottom: none !important;
    padding: 10px 16px !important;
  }
}

/* ==========================================================================
   2. Welcome Speech Bubble
   ========================================================================== */
.xsv-ai-welcome-bubble {
  position: fixed;
  bottom: calc(var(--xsv-ai-offset-bottom, 75px) + 52px);
  right: var(--xsv-ai-offset-right, 20px);
  z-index: 99997;
  max-width: 300px;
  background-color: #ffffff;
  color: var(--xsv-ai-text, #0f172a);
  border: 2px solid var(--xsv-ai-primary, #c80505);
  border-radius: 0 !important;
  box-shadow: none !important;
  padding: 10px 32px 10px 14px;
  font-size: 13.5px;
  font-weight: 500;
  line-height: 1.45;
  cursor: pointer;
  user-select: none;
  box-sizing: border-box;
}

.xsv-ai-welcome-bubble.is-hidden {
  display: none !important;
}

.xsv-ai-welcome-bubble::before,
.xsv-ai-welcome-bubble::after {
  content: "";
  position: absolute;
  width: 0;
  height: 0;
  border-style: solid;
}

.xsv-ai-welcome-bubble::before {
  bottom: -9px;
  right: 28px;
  border-width: 9px 8px 0 8px;
  border-color: var(--xsv-ai-primary, #c80505) transparent transparent transparent;
}

.xsv-ai-welcome-bubble::after {
  bottom: -6px;
  right: 30px;
  border-width: 7px 6px 0 6px;
  border-color: #ffffff transparent transparent transparent;
}

.xsv-ai-welcome-bubble.is-left {
  right: auto !important;
  left: var(--xsv-ai-offset-left, 20px) !important;
}

.xsv-ai-welcome-bubble.is-left::before {
  right: auto;
  left: 28px;
}

.xsv-ai-welcome-bubble.is-left::after {
  right: auto;
  left: 30px;
}

.xsv-ai-bubble-close {
  position: absolute;
  top: 5px;
  right: 6px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 0 !important;
  box-shadow: none !important;
  color: #64748b;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.xsv-ai-bubble-close:hover {
  color: var(--xsv-ai-primary, #c80505);
  background-color: #f1f5f9;
}

/* ==========================================================================
   3. Main Chat Container (Modal / Inline)
   ========================================================================== */
.xsv-ai-widget {
  display: flex;
  flex-direction: column;
  background-color: #ffffff;
  border: 1px solid var(--xsv-ai-border-dark, #cbd5e1);
  border-radius: 0 !important;
  box-shadow: none !important;
  box-sizing: border-box;
  font-family: inherit;
  font-size: 15px;
  line-height: 1.55;
  color: var(--xsv-ai-text, #0f172a);
  overflow: hidden;
}

.xsv-ai-widget * {
  box-sizing: border-box;
}

.xsv-ai-floating-widget.is-hidden {
  display: none !important;
}

/* Desktop Floating Modal Layout */
@media (min-width: 769px) {
  .xsv-ai-floating-widget {
    position: fixed;
    bottom: var(--xsv-ai-offset-bottom, 75px);
    right: var(--xsv-ai-offset-right, 20px);
    width: 410px;
    max-width: calc(100vw - 32px);
    height: 600px;
    max-height: calc(100vh - var(--xsv-ai-offset-bottom, 75px) - 20px);
    z-index: 99999;
    border: 1px solid #94a3b8;
  }

  .xsv-ai-floating-widget.is-left {
    right: auto !important;
    left: var(--xsv-ai-offset-left, 20px) !important;
  }

  .xsv-ai-floating-widget.pos-middle-right {
    top: 50% !important;
    bottom: auto !important;
    right: var(--xsv-ai-offset-right, 20px) !important;
    transform: translateY(-50%) !important;
  }

  .xsv-ai-floating-widget.pos-middle-left {
    top: 50% !important;
    bottom: auto !important;
    left: var(--xsv-ai-offset-left, 20px) !important;
    transform: translateY(-50%) !important;
  }

  .xsv-ai-floating-widget.is-expanded {
    width: 720px !important;
    height: 720px !important;
    max-width: calc(100vw - 40px) !important;
    max-height: calc(100vh - 40px) !important;
  }
}

.xsv-ai-inline-widget {
  width: 100%;
  max-width: 100%;
  margin: 16px 0;
  border: 1px solid var(--xsv-ai-border-dark, #cbd5e1);
}

/* ==========================================================================
   4. Header Bar
   ========================================================================== */
.xsv-ai-header {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--xsv-ai-primary, #c80505);
  color: #ffffff;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 0 !important;
}

.xsv-ai-header-info {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1 1 auto;
}

.xsv-ai-avatar {
  width: 32px;
  height: 32px;
  min-width: 32px;
  background-color: #ffffff;
  color: var(--xsv-ai-primary, #c80505);
  font-weight: 800;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0 !important;
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.xsv-ai-title-wrap {
  min-width: 0;
  flex: 1 1 auto;
}

.xsv-ai-title {
  margin: 0;
  padding: 0;
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.xsv-ai-status {
  font-size: 11.5px;
  color: #fee2e2;
  line-height: 1.35;
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 1px;
}

.status-dot {
  width: 7px;
  height: 7px;
  background-color: #4ade80;
  display: inline-block;
  border-radius: 0 !important;
}

.xsv-ai-header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.xsv-ai-action-btn {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 0 !important;
  box-shadow: none !important;
  cursor: pointer;
  padding: 0 8px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 400 !important;
  line-height: 1;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.xsv-ai-action-btn:hover,
.xsv-ai-action-btn:focus {
  background: rgba(255, 255, 255, 0.25);
  color: #ffffff;
  outline: none;
}

.xsv-ai-clear-btn {
  gap: 4px;
}

.xsv-ai-clear-icon {
  font-size: 13px;
}

.xsv-ai-expand-btn {
  width: 32px;
  padding: 0;
  font-size: 14px;
}

.xsv-ai-close-btn {
  width: 32px;
  padding: 0;
  font-size: 16px;
  font-weight: 700;
}

/* ==========================================================================
   5. Chat Messages Stream
   ========================================================================== */
.xsv-ai-messages {
  flex: 1 1 0%;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  touch-action: pan-y;
  background-color: var(--xsv-ai-surface-subtle, #f8fafc);
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Message Item */
.xsv-ai-msg {
  display: flex;
  gap: 8px;
  max-width: 90%;
  animation: xsvAiMsgFadeIn 0.15s ease-out;
}

@keyframes xsvAiMsgFadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* User Message: Right Aligned */
.xsv-ai-msg-user {
  align-self: flex-end;
  justify-content: flex-end;
}

.xsv-ai-msg-user .xsv-ai-msg-bubble {
  background-color: var(--xsv-ai-user-bg, #0f172a);
  color: var(--xsv-ai-user-text, #ffffff);
  border: 1px solid #1e293b;
  padding: 10px 14px;
  font-size: 14.5px;
  line-height: 1.55;
  word-break: break-word;
}

/* Bot Message: Left Aligned with Avatar */
.xsv-ai-msg-bot {
  align-self: flex-start;
  align-items: flex-start;
}

.xsv-ai-msg-avatar {
  width: 26px;
  height: 26px;
  min-width: 26px;
  background-color: var(--xsv-ai-primary-light, #fef2f2);
  color: var(--xsv-ai-primary, #c80505);
  border: 1px solid #fecaca;
  border-radius: 0 !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  margin-top: 2px;
  flex-shrink: 0;
}

.xsv-ai-msg-bot .xsv-ai-msg-bubble {
  background-color: var(--xsv-ai-bot-bg, #ffffff);
  color: var(--xsv-ai-bot-text, #0f172a);
  border: 1px solid var(--xsv-ai-border, #e2e8f0);
  border-left: 3px solid var(--xsv-ai-primary, #c80505);
  padding: 12px 14px;
  font-size: 14.5px;
  line-height: 1.6;
  word-break: break-word;
  flex: 1 1 auto;
}

.xsv-ai-msg-bubble p {
  margin: 0 0 8px 0;
}

.xsv-ai-msg-bubble p:last-child {
  margin-bottom: 0;
}

.xsv-ai-msg-bubble ul,
.xsv-ai-msg-bubble ol {
  margin: 4px 0 8px 0;
  padding-left: 20px;
}

.xsv-ai-msg-bubble li {
  margin-bottom: 4px;
  line-height: 1.55;
}

.xsv-ai-msg-bubble strong {
  color: #0f172a;
  font-weight: 700;
}

.xsv-ai-msg-bubble code {
  background-color: #f1f5f9;
  color: #c80505;
  border: 1px solid #cbd5e1;
  padding: 1px 5px;
  font-size: 13px;
  font-family: SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* Markdown Table in Bot Message */
.xsv-ai-msg-bubble .xsv-ai-table-wrap {
  overflow-x: auto;
  margin: 8px 0;
  border: 1px solid #cbd5e1;
}

.xsv-ai-msg-bubble table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  line-height: 1.45;
  background-color: #ffffff;
}

.xsv-ai-msg-bubble th,
.xsv-ai-msg-bubble td {
  padding: 6px 10px;
  border: 1px solid #e2e8f0;
  text-align: left;
}

.xsv-ai-msg-bubble th {
  background-color: #f1f5f9;
  font-weight: 700;
  color: #0f172a;
}

.xsv-ai-msg-bubble tr:nth-child(even) td {
  background-color: #f8fafc;
}

/* One-Click Copy Button */
.xsv-ai-msg-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
  padding-top: 6px;
  border-top: 1px dashed #e2e8f0;
}

.xsv-ai-copy-btn {
  background: #f8fafc;
  color: #475569;
  border: 1px solid #cbd5e1;
  border-radius: 0 !important;
  box-shadow: none !important;
  font-size: 12px;
  font-weight: 400 !important;
  padding: 3px 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  line-height: 1.3;
  transition: all 0.15s ease;
}

.xsv-ai-copy-btn:hover {
  background-color: #ffffff;
  color: var(--xsv-ai-primary, #c80505);
  border-color: var(--xsv-ai-primary, #c80505);
}

.xsv-ai-copy-btn.is-copied {
  background-color: #ecfdf5;
  color: #059669;
  border-color: #10b981;
}

/* Typing Indicator (60fps GPU Accelerated) */
.xsv-ai-typing-msg .xsv-ai-msg-bubble {
  padding: 10px 14px;
}

.xsv-ai-typing {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 18px;
}

.xsv-ai-typing span {
  width: 7px;
  height: 7px;
  background-color: #94a3b8;
  border-radius: 0 !important;
  animation: xsvAiTypingPulse 1.2s infinite ease-in-out both;
}

.xsv-ai-typing span:nth-child(1) { animation-delay: -0.32s; }
.xsv-ai-typing span:nth-child(2) { animation-delay: -0.16s; }
.xsv-ai-typing span:nth-child(3) { animation-delay: 0s; }

@keyframes xsvAiTypingPulse {
  0%, 80%, 100% {
    transform: scale(0.6);
    opacity: 0.4;
  }
  40% {
    transform: scale(1);
    opacity: 1;
    background-color: var(--xsv-ai-primary, #c80505);
  }
}

/* ==========================================================================
   6. Suggestion Chips Bar
   ========================================================================== */
.xsv-ai-chips {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background-color: #ffffff;
  border-top: 1px solid var(--xsv-ai-border, #e2e8f0);
  border-bottom: 1px solid var(--xsv-ai-border, #e2e8f0);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  scrollbar-width: none;
}

.xsv-ai-chips::-webkit-scrollbar {
  display: none;
}

.xsv-ai-chip {
  background: #ffffff;
  color: #334155;
  border: 1px solid #cbd5e1;
  border-radius: 0 !important;
  box-shadow: none !important;
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 400 !important;
  padding: 5px 10px;
  white-space: nowrap;
  flex-shrink: 0;
  cursor: pointer;
  line-height: 1.3;
  transition: all 0.15s ease;
}

.xsv-ai-chip:hover,
.xsv-ai-chip:focus {
  background-color: #f1f5f9;
  color: var(--xsv-ai-primary, #c80505);
  border-color: var(--xsv-ai-primary, #c80505);
  outline: none;
}

/* ==========================================================================
   7. Input Area & Footer
   ========================================================================== */
.xsv-ai-input-area {
  flex-shrink: 0;
  background-color: #ffffff;
  padding: 8px 12px;
  border-top: 1px solid var(--xsv-ai-border-dark, #cbd5e1);
}

.xsv-ai-form {
  margin: 0;
  padding: 0;
  width: 100%;
}

.xsv-ai-input-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
}

.xsv-ai-input {
  flex: 1 1 0%;
  min-width: 0;
  width: 100%;
  height: 42px;
  min-height: 42px;
  font-family: inherit;
  font-size: 16px !important; /* CRITICAL: 16px base font completely prevents iOS & FB Browser auto-zoom! */
  color: #0f172a;
  background-color: #ffffff;
  border: 1px solid #cbd5e1 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  padding: 0 12px;
  line-height: normal;
  outline: none;
  transition: border-color 0.15s ease;
}

.xsv-ai-input:focus {
  border-color: var(--xsv-ai-primary, #c80505) !important;
  outline: none;
}

.xsv-ai-input::placeholder {
  color: #94a3b8;
  font-size: 14px;
}

.xsv-ai-send-btn {
  flex-shrink: 0;
  height: 42px;
  min-height: 42px;
  min-width: 68px;
  background-color: var(--xsv-ai-primary, #c80505);
  color: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 0 !important;
  box-shadow: none !important;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 500 !important;
  padding: 0 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: filter 0.15s ease;
}

.xsv-ai-send-btn:hover,
.xsv-ai-send-btn:focus {
  filter: brightness(0.92);
  outline: none;
}

.xsv-ai-send-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.xsv-ai-send-svg {
  flex-shrink: 0;
}

.xsv-ai-footer-note {
  flex-shrink: 0;
  background-color: #ffffff;
  color: #94a3b8;
  font-size: 11px;
  line-height: 1.35;
  text-align: center;
  padding: 4px 10px 6px 10px;
  border-top: 1px solid #f1f5f9;
}

/* Header Navigation Trigger */
.xsv-ai-nav-item {
  display: flex !important;
  align-items: center !important;
}

.xsv-ai-nav-item .xsv-ai-menu-trigger {
  background-color: var(--xsv-ai-primary, #c80505) !important;
  color: #ffffff !important;
  font-weight: 500 !important;
  font-size: 13px !important;
  padding: 4px 10px !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  border: 1px solid rgba(0, 0, 0, 0.2) !important;
  cursor: pointer !important;
  text-decoration: none !important;
}

/* ==========================================================================
   8. Mobile Viewport (<= 768px): Robust Fullscreen App Layout
   Guaranteed Zero Overflow, Zero Layout Shift inside Facebook In-App Browser
   ========================================================================== */
@media (max-width: 768px) {
  /* Body lock when modal is open */
  html.xsv-ai-open,
  body.xsv-ai-open {
    overflow: hidden !important;
    height: 100% !important;
    width: 100% !important;
    position: fixed !important;
    touch-action: none !important;
  }

  /* Fullscreen Chat Modal */
  .xsv-ai-floating-widget,
  .xsv-ai-floating-widget[class*="pos-"],
  .xsv-ai-floating-widget.is-expanded {
    position: fixed !important;
    top: var(--xsv-ai-vtop, 0px) !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    max-width: 100vw !important;
    min-width: 100vw !important;
    height: var(--xsv-ai-vh, 100%) !important;
    max-height: var(--xsv-ai-vh, 100%) !important;
    min-height: var(--xsv-ai-vh, 100%) !important;
    margin: 0 !important;
    padding: 0 !important;
    transform: none !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    z-index: 999999 !important;
    overflow: hidden !important;
    display: flex !important;
    flex-direction: column !important;
  }

  .xsv-ai-floating-widget.is-hidden {
    display: none !important;
  }

  /* Mobile Header with Safe Area */
  .xsv-ai-header {
    min-height: 48px !important;
    padding: max(8px, env(safe-area-inset-top, 0px)) 12px 8px 12px !important;
    flex-shrink: 0 !important;
  }

  .xsv-ai-expand-btn {
    display: none !important;
  }

  .xsv-ai-clear-btn {
    height: 36px !important;
    padding: 0 10px !important;
    font-size: 13px !important;
  }

  .xsv-ai-close-btn {
    width: 36px !important;
    height: 36px !important;
    min-width: 36px !important;
    min-height: 36px !important;
    font-size: 18px !important;
    background: rgba(255, 255, 255, 0.2) !important;
    border: 1px solid rgba(255, 255, 255, 0.5) !important;
  }

  /* Mobile Message Stream */
  .xsv-ai-messages {
    flex: 1 1 0% !important;
    min-height: 0 !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    overscroll-behavior: contain !important;
    touch-action: pan-y !important;
    padding: 12px 10px !important;
    gap: 10px !important;
  }

  .xsv-ai-msg {
    max-width: 95% !important;
  }

  .xsv-ai-msg-bubble {
    font-size: 14.5px !important;
    line-height: 1.55 !important;
  }

  /* Mobile Chips */
  .xsv-ai-chips {
    height: 36px !important;
    min-height: 36px !important;
    padding: 4px 8px !important;
    gap: 6px !important;
  }

  .xsv-ai-chip {
    font-size: 12px !important;
    height: 26px !important;
    min-height: 26px !important;
    padding: 0 9px !important;
    display: inline-flex !important;
    align-items: center !important;
  }

  /* Mobile Sticky Input with Safe Area */
  .xsv-ai-input-area {
    padding: 8px 10px max(8px, env(safe-area-inset-bottom, 0px)) 10px !important;
    border-top: 1px solid #cbd5e1 !important;
  }

  .xsv-ai-input {
    height: 44px !important;
    min-height: 44px !important;
    font-size: 16px !important;
    padding: 0 12px !important;
  }

  .xsv-ai-send-btn {
    height: 44px !important;
    min-height: 44px !important;
    min-width: 62px !important;
    font-size: 13.5px !important;
    padding: 0 10px !important;
  }

  .xsv-ai-footer-note {
    padding: 3px 6px max(4px, env(safe-area-inset-bottom, 0px)) !important;
    font-size: 10.5px !important;
  }

  /* Mobile Floating Launcher */
  .xsv-ai-launcher {
    padding: 7px 12px !important;
    bottom: max(16px, env(safe-area-inset-bottom, 0px)) !important;
    right: 12px !important;
    left: auto !important;
    top: auto !important;
  }

  .xsv-ai-launcher.pos-bottom-left {
    left: 12px !important;
    right: auto !important;
  }

  .xsv-ai-launcher.pos-bottom-bar {
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    padding: 8px 12px max(8px, env(safe-area-inset-bottom, 0px)) !important;
  }

  .xsv-ai-welcome-bubble {
    max-width: calc(100vw - 24px) !important;
    bottom: calc(max(16px, env(safe-area-inset-bottom, 0px)) + 52px) !important;
    right: 12px !important;
    left: auto !important;
  }
}