/* =========================================================
   Otel AI Chatbot — Frontend Styles  v1.3.6
   Fully responsive: mobile / tablet / desktop
   iOS Safari safe-area & dynamic viewport aware
   ========================================================= */

/* ── Design Tokens ── */
:root {
  --otelai-bg:              rgba(28, 28, 30, 0.97);
  --otelai-surface:         rgba(44, 44, 46, 0.88);
  --otelai-surface-hover:   rgba(58, 58, 60, 0.92);
  --otelai-accent:          #0071E3;
  --otelai-accent-dark:     #0058b0;
  --otelai-text:            #FFFFFF;
  --otelai-text-secondary:  rgba(255,255,255,0.6);
  --otelai-text-tertiary:   rgba(255,255,255,0.35);
  --otelai-border:          rgba(255,255,255,0.10);
  --otelai-border-hover:    rgba(255,255,255,0.18);
  --otelai-radius:          20px;
  --otelai-radius-sm:       12px;
  --otelai-radius-xs:       8px;
  --otelai-font:            -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Segoe UI', Helvetica, Arial, sans-serif;
  --otelai-shadow:          0 24px 64px rgba(0,0,0,0.6), 0 8px 24px rgba(0,0,0,0.4);
  --otelai-blur:            blur(40px) saturate(180%);
  --otelai-z:               999999;
  --otelai-transition:      0.3s cubic-bezier(0.4,0,0.2,1);
  --otelai-spring:          0.4s cubic-bezier(0.34,1.56,0.64,1);
  /* Dynamically updated by JS for iOS viewport */
  --vh:                     1vh;
  /* Safe areas (filled by iOS) */
  --sat: env(safe-area-inset-top,    0px);
  --sab: env(safe-area-inset-bottom, 0px);
  --sal: env(safe-area-inset-left,   0px);
  --sar: env(safe-area-inset-right,  0px);
}

/* ── Container — stays in corner, trigger button lives here ── */
#otelai-chatbot-container {
  position: fixed;
  z-index: var(--otelai-z);
  font-family: var(--otelai-font);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Corner positions */
#otelai-chatbot-container.otelai-position-bottom-right { bottom: 24px; right: 24px; }
#otelai-chatbot-container.otelai-position-bottom-left  { bottom: 24px; left:  24px; }
#otelai-chatbot-container.otelai-position-bottom-center{ bottom: 24px; left: 50%; -webkit-transform: translateX(-50%); transform: translateX(-50%); }
#otelai-chatbot-container.otelai-position-top-right    { top:    24px; right: 24px; }
#otelai-chatbot-container.otelai-position-top-left     { top:    24px; left:  24px; }

/* ── Trigger Button ── */
.otelai-trigger-btn {
  position: relative;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--otelai-accent);
  border: none;
  cursor: pointer;
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 8px 24px rgba(0,113,227,0.45), 0 2px 8px rgba(0,0,0,0.3);
  -webkit-transition: -webkit-transform var(--otelai-transition), box-shadow var(--otelai-transition), background var(--otelai-transition);
  transition: transform var(--otelai-transition), box-shadow var(--otelai-transition), background var(--otelai-transition);
  outline: none;
  -webkit-tap-highlight-color: transparent;
  /* Minimum touch target */
  min-width: 44px;
  min-height: 44px;
}

.otelai-trigger-btn:hover  { background: var(--otelai-accent-dark); -webkit-transform: scale(1.08); transform: scale(1.08); box-shadow: 0 12px 32px rgba(0,113,227,0.55), 0 4px 12px rgba(0,0,0,0.4); }
.otelai-trigger-btn:active { -webkit-transform: scale(0.95); transform: scale(0.95); }
.otelai-trigger-btn:focus-visible { outline: 3px solid rgba(0,113,227,0.5); outline-offset: 4px; }

/* Trigger icons */
.otelai-trigger-icon {
  position: absolute;
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-transition: opacity var(--otelai-transition), -webkit-transform var(--otelai-transition);
  transition: opacity var(--otelai-transition), transform var(--otelai-transition);
}
.otelai-trigger-icon.otelai-icon-close            { opacity: 0; -webkit-transform: rotate(-90deg) scale(0.6); transform: rotate(-90deg) scale(0.6); }
.otelai-chatbot-open .otelai-trigger-icon.otelai-icon-chat  { opacity: 0; -webkit-transform: rotate(90deg) scale(0.6); transform: rotate(90deg) scale(0.6); }
.otelai-chatbot-open .otelai-trigger-icon.otelai-icon-close { opacity: 1; -webkit-transform: rotate(0) scale(1); transform: rotate(0) scale(1); }

/* Pulse ring */
.otelai-pulse-ring {
  position: absolute;
  width: 100%; height: 100%;
  border-radius: 50%;
  border: 2px solid var(--otelai-accent);
  opacity: 0;
  -webkit-animation: otelai-pulse 2.5s ease-out infinite;
  animation: otelai-pulse 2.5s ease-out infinite;
  -webkit-animation-delay: 1s;
  animation-delay: 1s;
}
@-webkit-keyframes otelai-pulse {
  0%   { -webkit-transform: scale(1);   opacity: 0.7; }
  100% { -webkit-transform: scale(1.7); opacity: 0; }
}
@keyframes otelai-pulse {
  0%   { transform: scale(1);   opacity: 0.7; }
  100% { transform: scale(1.7); opacity: 0; }
}
.otelai-chatbot-open .otelai-pulse-ring { -webkit-animation: none; animation: none; }

/* ═══════════════════════════════════════
   CHAT WINDOW — Desktop default
═══════════════════════════════════════ */
.otelai-chat-window {
  position: absolute;
  bottom: 76px;
  width: 380px;
  height: 560px;
  max-height: calc(100vh - 100px);
  background: var(--otelai-bg);
  -webkit-backdrop-filter: var(--otelai-blur);
  backdrop-filter: var(--otelai-blur);
  border-radius: var(--otelai-radius);
  border: 1px solid var(--otelai-border);
  box-shadow: var(--otelai-shadow);
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: column;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  -webkit-transform: translateY(20px) scale(0.95);
  transform: translateY(20px) scale(0.95);
  -webkit-transform-origin: bottom center;
  transform-origin: bottom center;
  pointer-events: none;
  -webkit-transition: opacity var(--otelai-transition), -webkit-transform var(--otelai-spring);
  transition: opacity var(--otelai-transition), transform var(--otelai-spring);
}

/* Position variants */
.otelai-position-bottom-right .otelai-chat-window { right: 0; }
.otelai-position-bottom-left  .otelai-chat-window { left:  0; }
.otelai-position-bottom-center .otelai-chat-window {
  left: 50%;
  -webkit-transform: translateX(-50%) translateY(20px) scale(0.95);
  transform: translateX(-50%) translateY(20px) scale(0.95);
}
.otelai-position-top-right .otelai-chat-window { right: 0; bottom: auto; top: 76px; }
.otelai-position-top-left  .otelai-chat-window { left:  0; bottom: auto; top: 76px; }

/* Open state */
.otelai-chatbot-open .otelai-chat-window {
  opacity: 1;
  -webkit-transform: translateY(0) scale(1);
  transform: translateY(0) scale(1);
  pointer-events: all;
}
.otelai-position-bottom-center.otelai-chatbot-open .otelai-chat-window {
  -webkit-transform: translateX(-50%) translateY(0) scale(1);
  transform: translateX(-50%) translateY(0) scale(1);
}

/* Minimized */
.otelai-chatbot-minimized .otelai-chat-window { height: 0; opacity: 0; pointer-events: none; }

/* ── Header ── */
.otelai-header {
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  padding: 16px 20px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid var(--otelai-border);
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
}
.otelai-header-info {
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  gap: 12px;
}
.otelai-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--otelai-surface);
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: center;
  justify-content: center;
  font-size: 20px;
  border: 1px solid var(--otelai-border);
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
}
.otelai-header-text { display: -webkit-flex; display: flex; -webkit-flex-direction: column; flex-direction: column; gap: 2px; }
.otelai-bot-name {
  font-size: 15px; font-weight: 600;
  color: var(--otelai-text);
  margin: 0; line-height: 1.2; letter-spacing: -0.2px;
}
.otelai-status {
  display: -webkit-flex; display: flex;
  -webkit-align-items: center; align-items: center;
  gap: 5px; font-size: 12px; color: var(--otelai-text-secondary);
}
.otelai-status-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #30D158;
  box-shadow: 0 0 6px rgba(48,209,88,0.6);
  -webkit-animation: otelai-status-pulse 2s ease-in-out infinite;
  animation: otelai-status-pulse 2s ease-in-out infinite;
}
@-webkit-keyframes otelai-status-pulse {
  0%,100% { opacity: 1; } 50% { opacity: 0.5; }
}
@keyframes otelai-status-pulse {
  0%,100% { opacity: 1; } 50% { opacity: 0.5; }
}
.otelai-header-actions {
  display: -webkit-flex; display: flex;
  -webkit-align-items: center; align-items: center;
  gap: 4px;
}
.otelai-header-actions button,
.otelai-header-actions a {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: transparent; border: none;
  cursor: pointer;
  display: -webkit-flex; display: flex;
  -webkit-align-items: center; align-items: center;
  -webkit-justify-content: center; justify-content: center;
  color: var(--otelai-text-secondary);
  -webkit-transition: background var(--otelai-transition), color var(--otelai-transition);
  transition: background var(--otelai-transition), color var(--otelai-transition);
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  /* Ensure minimum touch target */
  min-width: 36px; min-height: 36px;
}
.otelai-header-actions button:hover,
.otelai-header-actions a:hover     { background: var(--otelai-surface); color: var(--otelai-text); }
.otelai-whatsapp-btn               { color: #25D366 !important; }
.otelai-whatsapp-btn:hover         { background: rgba(37,211,102,0.15) !important; }

/* ── Messages Area ── */
.otelai-messages {
  -webkit-flex: 1; flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 16px;
  display: -webkit-flex; display: flex;
  -webkit-flex-direction: column; flex-direction: column;
  gap: 8px;
  scroll-behavior: smooth;
  overscroll-behavior: contain;
}
.otelai-messages::-webkit-scrollbar         { width: 4px; }
.otelai-messages::-webkit-scrollbar-track   { background: transparent; }
.otelai-messages::-webkit-scrollbar-thumb   { background: rgba(255,255,255,0.12); border-radius: 4px; }
.otelai-messages::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ── FAQ Chips ── */
.otelai-faq-chips-container {
  display: -webkit-flex; display: flex;
  -webkit-flex-direction: column; flex-direction: column;
  gap: 8px; margin-bottom: 8px;
}
.otelai-faq-chips-label {
  font-size: 11px; font-weight: 600;
  color: var(--otelai-text-tertiary);
  text-transform: uppercase; letter-spacing: 0.5px;
}
.otelai-faq-chips {
  display: -webkit-flex; display: flex;
  -webkit-flex-wrap: wrap; flex-wrap: wrap;
  gap: 6px;
}
.otelai-faq-chip {
  display: -webkit-inline-flex; display: inline-flex;
  -webkit-align-items: center; align-items: center;
  padding: 7px 13px;
  background: var(--otelai-surface);
  border: 1px solid var(--otelai-border);
  border-radius: 20px;
  font-size: 12.5px;
  color: var(--otelai-text-secondary);
  cursor: pointer;
  -webkit-transition: background var(--otelai-transition), color var(--otelai-transition), border-color var(--otelai-transition);
  transition: background var(--otelai-transition), color var(--otelai-transition), border-color var(--otelai-transition);
  white-space: nowrap;
  font-family: var(--otelai-font);
  line-height: 1.2;
  -webkit-tap-highlight-color: transparent;
  min-height: 36px;
}
.otelai-faq-chip:hover  { background: var(--otelai-accent); border-color: var(--otelai-accent); color: #fff; }
.otelai-faq-chip:active { opacity: 0.85; }

/* ── Message Bubbles ── */
.otelai-message {
  display: -webkit-flex; display: flex;
  -webkit-align-items: flex-end; align-items: flex-end;
  gap: 8px;
  -webkit-animation: otelai-msg-in 0.3s var(--otelai-spring) forwards;
  animation: otelai-msg-in 0.3s var(--otelai-spring) forwards;
  max-width: 88%;
}
@-webkit-keyframes otelai-msg-in {
  from { opacity: 0; -webkit-transform: translateY(12px) scale(0.95); }
  to   { opacity: 1; -webkit-transform: translateY(0) scale(1); }
}
@keyframes otelai-msg-in {
  from { opacity: 0; transform: translateY(12px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.otelai-message-user {
  -webkit-align-self: flex-end; align-self: flex-end;
  -webkit-flex-direction: row-reverse; flex-direction: row-reverse;
  margin-left: auto;
}
.otelai-message-bot { -webkit-align-self: flex-start; align-self: flex-start; }

.otelai-message-bubble {
  padding: 10px 14px;
  border-radius: var(--otelai-radius-sm);
  font-size: 14px; line-height: 1.55;
  word-break: break-word;
  white-space: pre-wrap;
}
.otelai-message-user .otelai-message-bubble {
  background: var(--otelai-accent); color: #fff;
  border-bottom-right-radius: 4px;
}
.otelai-message-bot .otelai-message-bubble {
  background: var(--otelai-surface); color: var(--otelai-text);
  border: 1px solid var(--otelai-border);
  border-bottom-left-radius: 4px;
}
.otelai-message-time {
  font-size: 10px; color: var(--otelai-text-tertiary);
  margin-top: 3px; padding: 0 4px;
}
.otelai-message-error .otelai-message-bubble {
  background: rgba(255,59,48,0.15);
  border-color: rgba(255,59,48,0.3);
  color: #ff6b6b;
}
.otelai-retry-btn {
  margin-top: 8px;
  display: inline-block;
  padding: 5px 12px;
  background: rgba(255,59,48,0.2);
  border: 1px solid rgba(255,59,48,0.3);
  border-radius: 6px;
  color: #ff6b6b;
  font-size: 12px; cursor: pointer;
  font-family: var(--otelai-font);
  -webkit-transition: background var(--otelai-transition);
  transition: background var(--otelai-transition);
}
.otelai-retry-btn:hover { background: rgba(255,59,48,0.3); }

/* ── Typing Indicator ── */
.otelai-typing-indicator { padding: 0 16px 8px; display: none; }
.otelai-typing-indicator.otelai-visible {
  display: -webkit-flex; display: flex;
  -webkit-align-items: center; align-items: center;
}
.otelai-typing-bubble {
  display: -webkit-flex; display: flex;
  -webkit-align-items: center; align-items: center;
  gap: 5px;
  background: var(--otelai-surface);
  border: 1px solid var(--otelai-border);
  border-radius: var(--otelai-radius-sm);
  border-bottom-left-radius: 4px;
  padding: 10px 14px;
}
.otelai-typing-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--otelai-text-secondary);
  -webkit-animation: otelai-typing 1.2s ease-in-out infinite;
  animation: otelai-typing 1.2s ease-in-out infinite;
}
.otelai-typing-dot:nth-child(2) { -webkit-animation-delay: 0.2s; animation-delay: 0.2s; }
.otelai-typing-dot:nth-child(3) { -webkit-animation-delay: 0.4s; animation-delay: 0.4s; }
@-webkit-keyframes otelai-typing {
  0%,60%,100% { -webkit-transform: translateY(0); opacity: 0.4; }
  30%         { -webkit-transform: translateY(-6px); opacity: 1; }
}
@keyframes otelai-typing {
  0%,60%,100% { transform: translateY(0); opacity: 0.4; }
  30%         { transform: translateY(-6px); opacity: 1; }
}

/* ── Rating Widget ── */
.otelai-rating-widget {
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border-top: 1px solid var(--otelai-border);
  text-align: center;
  -webkit-animation: otelai-rating-in 0.4s var(--otelai-spring);
  animation: otelai-rating-in 0.4s var(--otelai-spring);
}
@-webkit-keyframes otelai-rating-in {
  from { opacity: 0; -webkit-transform: translateY(8px); }
  to   { opacity: 1; -webkit-transform: translateY(0); }
}
@keyframes otelai-rating-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.otelai-rating-label { font-size: 12px; color: var(--otelai-text-secondary); margin: 0 0 8px; }
.otelai-stars {
  display: -webkit-flex; display: flex;
  -webkit-justify-content: center; justify-content: center;
  gap: 6px;
}
.otelai-star-btn {
  background: transparent; border: none; cursor: pointer;
  color: var(--otelai-text-tertiary);
  padding: 6px;
  -webkit-transition: color var(--otelai-transition), -webkit-transform var(--otelai-transition);
  transition: color var(--otelai-transition), transform var(--otelai-transition);
  border-radius: 4px;
  min-width: 36px; min-height: 36px;
  display: -webkit-flex; display: flex;
  -webkit-align-items: center; align-items: center;
  -webkit-justify-content: center; justify-content: center;
  -webkit-tap-highlight-color: transparent;
}
.otelai-star-btn:hover,
.otelai-star-btn.otelai-star-active { color: #FFD700; -webkit-transform: scale(1.2); transform: scale(1.2); }
.otelai-star-btn svg { fill: currentColor; }
.otelai-rating-thanks { font-size: 13px; color: #30D158; -webkit-animation: otelai-msg-in 0.3s var(--otelai-spring); animation: otelai-msg-in 0.3s var(--otelai-spring); }

/* ── Input Area ── */
.otelai-input-area {
  display: -webkit-flex; display: flex;
  -webkit-align-items: flex-end; align-items: flex-end;
  gap: 8px;
  padding: 12px 16px 16px;
  border-top: 1px solid var(--otelai-border);
  -webkit-flex-shrink: 0; flex-shrink: 0;
}
.otelai-input-wrapper {
  -webkit-flex: 1; flex: 1;
  position: relative;
  min-width: 0;
}
.otelai-message-input {
  width: 100%;
  padding: 10px 14px 24px;
  background: var(--otelai-surface);
  border: 1px solid var(--otelai-border);
  border-radius: var(--otelai-radius-sm);
  color: var(--otelai-text);
  font-family: var(--otelai-font);
  font-size: 16px; /* 16px prevents iOS auto-zoom on focus */
  line-height: 1.5;
  resize: none; outline: none;
  -webkit-transition: border-color var(--otelai-transition), background var(--otelai-transition);
  transition: border-color var(--otelai-transition), background var(--otelai-transition);
  box-sizing: border-box;
  max-height: 100px;
  overflow-y: auto;
  -webkit-appearance: none;
  appearance: none;
}
.otelai-message-input:focus        { border-color: var(--otelai-accent); background: rgba(58,58,60,0.95); }
.otelai-message-input::placeholder { color: var(--otelai-text-tertiary); }
.otelai-message-input::-webkit-scrollbar       { width: 3px; }
.otelai-message-input::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }

.otelai-char-count {
  position: absolute; bottom: 6px; right: 10px;
  font-size: 10px; color: var(--otelai-text-tertiary);
  pointer-events: none; font-family: var(--otelai-font);
}
.otelai-char-count.otelai-char-warning { color: #FF9F0A; }
.otelai-char-count.otelai-char-limit   { color: #FF453A; }

.otelai-send-btn {
  width: 44px; height: 44px;
  min-width: 44px; min-height: 44px;
  border-radius: 50%;
  background: var(--otelai-accent);
  border: none; cursor: pointer;
  display: -webkit-flex; display: flex;
  -webkit-align-items: center; align-items: center;
  -webkit-justify-content: center; justify-content: center;
  color: #fff;
  -webkit-transition: background var(--otelai-transition), -webkit-transform var(--otelai-transition), opacity var(--otelai-transition);
  transition: background var(--otelai-transition), transform var(--otelai-transition), opacity var(--otelai-transition);
  -webkit-flex-shrink: 0; flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}
.otelai-send-btn:disabled                { opacity: 0.4; cursor: not-allowed; }
.otelai-send-btn:not(:disabled):hover    { background: var(--otelai-accent-dark); -webkit-transform: scale(1.08); transform: scale(1.08); }
.otelai-send-btn:not(:disabled):active   { -webkit-transform: scale(0.95); transform: scale(0.95); }

/* ── Powered By ── */
.otelai-powered-by {
  display: -webkit-flex; display: flex;
  -webkit-align-items: center; align-items: center;
  -webkit-justify-content: center; justify-content: center;
  gap: 4px;
  padding: 7px 16px;
  font-size: 10.5px; color: var(--otelai-text-tertiary);
  border-top: 1px solid var(--otelai-border);
  letter-spacing: 0.01em; line-height: 1;
}
.otelai-powered-by strong { color: var(--otelai-text-secondary); font-weight: 600; letter-spacing: -0.01em; }

/* ── Welcome message ── */
.otelai-welcome-msg {
  padding: 8px 12px;
  background: rgba(0,113,227,0.12);
  border: 1px solid rgba(0,113,227,0.2);
  border-radius: var(--otelai-radius-sm);
  font-size: 13px; color: var(--otelai-text-secondary);
  text-align: center; margin-bottom: 8px;
}

/* ═══════════════════════════════════════════
   TABLET  601px – 900px
   Floating window, capped width
═══════════════════════════════════════════ */
@media screen and (min-width: 601px) and (max-width: 900px) {
  .otelai-chat-window {
    width: min(360px, calc(100vw - 40px));
    max-height: calc(100vh - 110px);
    max-height: calc(var(--vh, 1vh) * 100 - 110px);
  }
}

/* ═══════════════════════════════════════════
   MOBILE  ≤ 600px
   Full-screen bottom sheet, iOS/Android safe
═══════════════════════════════════════════ */
@media screen and (max-width: 600px) {

  /* Shrink trigger to 52px on mobile, keep in corner */
  #otelai-chatbot-container.otelai-position-bottom-right,
  #otelai-chatbot-container.otelai-position-bottom-center {
    bottom: calc(16px + var(--sab));
    right: 16px;
    left: auto;
    -webkit-transform: none;
    transform: none;
  }
  #otelai-chatbot-container.otelai-position-bottom-left {
    bottom: calc(16px + var(--sab));
    left: 16px;
    right: auto;
  }
  #otelai-chatbot-container.otelai-position-top-right {
    top: calc(16px + var(--sat));
    right: 16px;
    bottom: auto;
  }
  #otelai-chatbot-container.otelai-position-top-left {
    top: calc(16px + var(--sat));
    left: 16px;
    bottom: auto;
  }

  .otelai-trigger-btn {
    width: 52px;
    height: 52px;
  }

  /* ── Chat window: fixed full-screen bottom sheet ── */
  .otelai-chat-window {
    /* Break out of container — fixed to viewport */
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    max-width: 100% !important;

    /* Height: dynamic viewport (accounts for iOS browser chrome) */
    height: 100vh !important;
    height: calc(var(--vh, 1vh) * 100) !important;

    /* Round only top corners */
    border-radius: 0 !important;

    /* Slide-up animation (instead of desktop scale) */
    -webkit-transform: translateY(100%) !important;
    transform: translateY(100%) !important;
    opacity: 1 !important;
    -webkit-transition: -webkit-transform 0.38s cubic-bezier(0.32,0.72,0,1) !important;
    transition: transform 0.38s cubic-bezier(0.32,0.72,0,1) !important;
    -webkit-transform-origin: bottom !important;
    transform-origin: bottom !important;
  }

  /* Open state: slide in */
  .otelai-chatbot-open .otelai-chat-window {
    -webkit-transform: translateY(0) !important;
    transform: translateY(0) !important;
    opacity: 1 !important;
    pointer-events: all !important;
  }

  /* Minimized: hide */
  .otelai-chatbot-minimized .otelai-chat-window {
    -webkit-transform: translateY(100%) !important;
    transform: translateY(100%) !important;
    pointer-events: none !important;
  }

  /* Safe area padding for notched iPhones */
  .otelai-header {
    padding-top: max(16px, calc(env(safe-area-inset-top, 0px) + 12px));
    padding-left:  calc(16px + var(--sal));
    padding-right: calc(16px + var(--sar));
  }

  .otelai-input-area {
    padding-bottom: max(16px, calc(env(safe-area-inset-bottom, 0px) + 10px));
    padding-left:  calc(12px + var(--sal));
    padding-right: calc(12px + var(--sar));
  }

  .otelai-messages {
    padding-left:  calc(14px + var(--sal));
    padding-right: calc(14px + var(--sar));
  }

  /* Slightly larger bubbles on mobile */
  .otelai-message-bubble {
    font-size: 14.5px;
    padding: 11px 15px;
  }

  /* Bigger FAQ chips for touch */
  .otelai-faq-chip {
    font-size: 13px;
    padding: 9px 15px;
    min-height: 40px;
  }

  /* Rating stars bigger touch target */
  .otelai-star-btn { min-width: 44px; min-height: 44px; padding: 8px; }

  /* Input area */
  .otelai-message-input {
    font-size: 16px; /* Prevents iOS auto-zoom */
    padding: 11px 14px 26px;
  }

  .otelai-send-btn { width: 46px; height: 46px; min-width: 46px; min-height: 46px; }
}

/* Very small phones (≤360px, e.g. older Android) */
@media screen and (max-width: 360px) {
  .otelai-message { max-width: 95%; }
  .otelai-faq-chip { font-size: 12px; padding: 8px 12px; }
}