/**
 * واجهة الشات — Glass UI فاتح (iOS-style): خلفية متعددة الألوان + blur قوي
 * يُفعّل مع class="ai-chat-shell" على body.
 * ملاحظة: ما يعادل .container-chat في التصميم هو .ai-chat-glass-frame (بدون تغيير HTML).
 */

.ai-chat-shell {
  --ai-deep: #0f172a;
  --ai-green: #22c55e;
  --ai-green-light: #4ade80;
  --ai-green-glow: rgba(0, 200, 180, 0.45);
  --text-main: #1e293b;
  --border-glass: rgba(255, 255, 255, 0.45);
  --font-size: clamp(17px, 4.5vw, 19px);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-t: env(safe-area-inset-top, 0px);
}

.ai-chat-shell {
  margin: 0;
  min-height: 100dvh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  font-family: "Cairo", sans-serif;
  color: var(--text-main);
  overflow: hidden;
  position: relative;
  isolation: isolate;
  -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(circle at 30% 30%, rgba(0, 255, 180, 0.25), transparent 40%),
    radial-gradient(circle at 70% 70%, rgba(0, 200, 255, 0.2), transparent 40%),
    linear-gradient(135deg, #dfffe9, #e8fff6);
  transition: background 0.3s ease;
}

/* بُوكيه ضوء ناعم — يُظهر عمق الخلفية خلف الزجاج */
.ai-chat-shell::before {
  content: "";
  position: fixed;
  inset: -40%;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 60% at 20% 20%, rgba(255, 255, 255, 0.45), transparent 55%),
    radial-gradient(ellipse 70% 50% at 85% 75%, rgba(0, 255, 200, 0.12), transparent 50%);
  animation: aiChatBgShift 26s ease-in-out infinite alternate;
  will-change: transform;
  opacity: 0.85;
  pointer-events: none;
}

.ai-chat-shell::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 15% 40%, rgba(255, 255, 255, 0.35) 0, transparent 3px),
    radial-gradient(circle at 82% 55%, rgba(0, 200, 255, 0.15) 0, transparent 3px),
    radial-gradient(ellipse 120% 40% at 50% 0%, rgba(255, 255, 255, 0.25), transparent 50%);
  opacity: 0.65;
}

@keyframes aiChatBgShift {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(-2%, 3%) scale(1.05);
  }
}

/* إطار زجاجي — ما يعادل .container-chat (زجاج حقيقي فوق الخلفية الملونة) */
.ai-chat-shell .ai-chat-glass-frame {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  z-index: 1;
  width: 100%;
  margin: 0;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow:
    0 10px 40px rgba(0, 0, 0, 0.1),
    inset 0 0 20px rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;
}

/* انعكاس ضوء علوي — iOS glass */
.ai-chat-shell .ai-chat-glass-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 30px;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.5), transparent);
  pointer-events: none;
  z-index: 0;
}

.ai-chat-shell .ai-chat-glass-frame > * {
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .ai-chat-shell {
    align-items: center;
    padding: 16px 14px 0;
    box-sizing: border-box;
  }

  .ai-chat-shell .ai-chat-glass-frame {
    width: 100%;
    max-width: 500px;
    max-height: calc(100dvh - 16px);
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow:
      0 10px 40px rgba(0, 0, 0, 0.1),
      inset 0 0 20px rgba(255, 255, 255, 0.3);
  }
}

/* ——— الهيدر ——— */
.ai-chat-shell .chat-header {
  flex-shrink: 0;
  position: relative;
  z-index: 20;
  padding: calc(12px + var(--safe-t)) 14px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.38);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
}

.ai-chat-shell .chat-header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  min-width: 0;
}

.ai-chat-shell .chat-header .site-logo-img.header-logo {
  opacity: 1;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.75);
  box-shadow:
    0 0 20px rgba(0, 255, 200, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.ai-chat-shell .header-info h5 {
  margin: 0;
  font-size: clamp(1rem, 4vw, 1.15rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  color: #166534;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
}

.ai-chat-shell .header-info .subtitle {
  color: rgba(51, 65, 85, 0.75);
  font-size: 0.8rem;
  font-weight: 600;
  display: block;
  margin-top: 2px;
}

.ai-chat-shell .header-info .online-dot {
  color: #0d9488;
  text-shadow: none;
  font-size: 0.78rem;
}

.ai-chat-shell .header-login-btn {
  margin-inline-start: auto;
  padding: 10px 16px;
  min-height: 46px;
  font-size: 0.85rem;
  font-weight: 800;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  color: #0f766e;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 14px rgba(0, 200, 180, 0.15);
  transition: all 0.3s ease;
}

.ai-chat-shell .header-login-btn:hover {
  background: linear-gradient(135deg, rgba(0, 255, 204, 0.55), rgba(0, 212, 255, 0.45));
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.65);
  box-shadow: 0 6px 22px rgba(0, 255, 200, 0.35);
  transform: translateY(-1px);
}

.ai-chat-shell .header-login-btn:active {
  transform: scale(0.97);
}

.ai-chat-shell .chat-user-badge {
  margin-inline-start: 8px;
  padding: 8px 14px !important;
  border-radius: 999px;
  font-size: 0.78rem !important;
  font-weight: 700;
  white-space: nowrap;
  color: #0f766e !important;
  background: rgba(255, 255, 255, 0.55) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: 0 4px 14px rgba(0, 200, 180, 0.12);
}

/* ——— منطقة الرسائل ——— */
.ai-chat-shell .chat-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  padding: 14px 12px calc(12px + var(--safe-b));
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  z-index: 1;
}

.ai-chat-shell .chat-body-brand-mark {
  position: absolute;
  left: 50%;
  top: 42%;
  transform: translate(-50%, -50%);
  width: min(68vw, 260px);
  max-height: 40vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.18;
  filter: saturate(1.05);
}

.ai-chat-shell .chat-body-brand-mark img {
  width: 100%;
  height: auto;
  max-height: 40vh;
  object-fit: contain;
  display: block;
  filter: saturate(1.1);
}

/* فقاعات الرسائل */
.ai-chat-shell .message {
  max-width: min(92%, 480px);
  padding: 16px 18px;
  border-radius: 20px;
  font-size: var(--font-size);
  line-height: 1.75;
  position: relative;
  z-index: 1;
  word-wrap: break-word;
  animation: aiMsgEnter 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
  transition: all 0.3s ease;
}

@keyframes aiMsgEnter {
  from {
    opacity: 0;
    transform: translateY(12px) translateX(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0) translateX(0);
  }
}

/* مستخدم — ما يعادل .user-message */
.ai-chat-shell .msg-user {
  align-self: flex-start;
  border-bottom-right-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  color: #003b33;
  font-weight: 700;
  background: linear-gradient(135deg, #00ffcc, #00d4ff);
  box-shadow: 0 5px 20px rgba(0, 255, 200, 0.4);
  animation: aiMsgEnter 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* بوت / النظام — ما يعادل .bot-message */
.ai-chat-shell .msg-bot {
  align-self: flex-end;
  border-bottom-left-radius: 8px;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  color: #333333;
  border: 1px solid rgba(255, 255, 255, 0.75);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.08);
}

.ai-chat-shell .msg-bot a {
  color: #0d9488;
  font-weight: 700;
  word-break: break-all;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.ai-chat-shell .msg-bot a:hover {
  color: #0f766e;
}

/* مؤشر الكتابة */
.ai-chat-shell .typing-indicator {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 18px 22px !important;
  max-width: min(88%, 460px);
  align-self: flex-end;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-radius: 20px;
  border-bottom-left-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
  position: relative;
  z-index: 1;
  animation: aiMsgEnter 0.42s cubic-bezier(0.22, 1, 0.36, 1) both;
  transition: all 0.3s ease;
}

.ai-chat-shell .typing-indicator span {
  width: 8px;
  height: 8px;
  background: linear-gradient(135deg, #00ffcc, #00b4d8);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(0, 255, 200, 0.45);
  animation: typingBounce 1.25s infinite ease-in-out;
}

.ai-chat-shell .typing-indicator span:nth-child(2) {
  animation-delay: 0.15s;
}

.ai-chat-shell .typing-indicator span:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes typingBounce {
  0%,
  60%,
  100% {
    transform: translateY(0) scale(1);
    opacity: 0.45;
  }
  30% {
    transform: translateY(-8px) scale(1.06);
    opacity: 1;
  }
}

.ai-chat-shell .msg-attachment {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding: 8px 14px;
  font-size: 0.85rem;
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.55);
  color: #334155;
  border-radius: 12px;
}

.ai-chat-shell .msg-user .msg-attachment {
  color: rgba(0, 59, 51, 0.92);
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.55);
}

.ai-chat-shell .msg-bot .msg-attachment {
  color: #475569;
}

.ai-chat-shell .chat-product-card {
  border-color: rgba(255, 255, 255, 0.55) !important;
  background: rgba(255, 255, 255, 0.45) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 18px !important;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.ai-chat-shell .chat-product-card > div:last-child {
  color: #334155 !important;
}

.ai-chat-shell .chat-product-hero {
  border-radius: 15px !important;
  box-shadow: 0 6px 22px rgba(15, 23, 42, 0.18) !important;
}

.ai-chat-shell .attached-image-preview {
  border-radius: 15px;
  width: 100%;
  max-width: 100%;
  display: block;
  box-shadow: 0 6px 24px rgba(15, 23, 42, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

/* ——— التذييل + الإدخال ——— */
.ai-chat-shell .chat-footer {
  flex-shrink: 0;
  position: relative;
  z-index: 30;
  padding: 10px 12px calc(12px + var(--safe-b));
  background: rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border-top: 1px solid rgba(255, 255, 255, 0.45);
  box-shadow: 0 -6px 24px rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
}

/* ما يعادل .input-box */
.ai-chat-shell .input-row {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 56px;
  padding: 6px 8px 6px 12px;
  border-radius: 25px;
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow:
    inset 0 0 12px rgba(255, 255, 255, 0.35),
    0 4px 16px rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
}

.ai-chat-shell .input-row:focus-within {
  border-color: rgba(0, 255, 200, 0.45);
  box-shadow:
    0 0 0 1px rgba(0, 255, 200, 0.3),
    0 0 24px rgba(0, 255, 200, 0.2),
    inset 0 0 16px rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.62);
}

.ai-chat-shell .input-row input[type="text"] {
  flex: 1;
  min-width: 0;
  min-height: 46px;
  padding: 10px 12px;
  font-size: var(--font-size);
  font-family: "Cairo", sans-serif;
  color: #1e293b;
  background: transparent;
  border: none;
  outline: none;
  transition: all 0.3s ease;
}

.ai-chat-shell .input-row input[type="text"]::placeholder {
  color: rgba(100, 116, 139, 0.75);
}

.ai-chat-shell .action-btn {
  width: 50px;
  height: 50px;
  min-width: 50px;
  min-height: 50px;
  border-radius: 50%;
  font-size: 1.2rem;
  color: #0d9488;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.ai-chat-shell .action-btn:hover {
  color: #0f766e;
  background: rgba(255, 255, 255, 0.85);
  border-color: rgba(0, 255, 200, 0.45);
  box-shadow: 0 0 14px rgba(0, 255, 200, 0.25);
}

.ai-chat-shell .action-btn:active {
  transform: scale(0.92);
}

.ai-chat-shell .send-btn {
  width: 52px;
  height: 52px;
  min-width: 52px;
  min-height: 52px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.05rem;
  color: #ffffff;
  font-weight: 800;
  background: linear-gradient(135deg, #00ffcc, #00d4ff);
  box-shadow:
    0 5px 20px rgba(0, 255, 200, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.45);
  transition: all 0.3s ease;
}

.ai-chat-shell .send-btn:hover {
  filter: brightness(1.05);
  transform: scale(1.06);
  box-shadow:
    0 8px 26px rgba(0, 255, 200, 0.55),
    0 0 28px rgba(0, 212, 255, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.ai-chat-shell .send-btn:active {
  transform: scale(0.9);
}

.ai-chat-shell .voice-btn.recording {
  color: #fecaca !important;
  background: rgba(239, 68, 68, 0.25) !important;
  border-color: rgba(239, 68, 68, 0.45) !important;
  animation: voicePulse 1s infinite;
}

@keyframes voicePulse {
  0%,
  100% {
    transform: scale(1);
    box-shadow: none;
  }
  50% {
    transform: scale(1.06);
    box-shadow: 0 0 18px rgba(239, 68, 68, 0.45);
  }
}

.ai-chat-shell .recording-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
}

.ai-chat-shell .recording-wave {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 24px;
}

.ai-chat-shell .recording-wave span {
  width: 3px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--ai-green-light), var(--ai-green));
  animation: waveBar 0.8s infinite ease-in-out;
}

.ai-chat-shell .recording-wave span:nth-child(1) {
  height: 8px;
  animation-delay: 0s;
}
.ai-chat-shell .recording-wave span:nth-child(2) {
  height: 16px;
  animation-delay: 0.15s;
}
.ai-chat-shell .recording-wave span:nth-child(3) {
  height: 24px;
  animation-delay: 0.3s;
}
.ai-chat-shell .recording-wave span:nth-child(4) {
  height: 16px;
  animation-delay: 0.45s;
}
.ai-chat-shell .recording-wave span:nth-child(5) {
  height: 8px;
  animation-delay: 0.6s;
}

@keyframes waveBar {
  0%,
  100% {
    transform: scaleY(0.5);
  }
  50% {
    transform: scaleY(1);
  }
}

.ai-chat-shell .recording-timer {
  color: #f87171;
  font-size: 0.82rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* Modals — نافذة هادئة لا تغطي الشات (العناصر العائمة الزائدة أُزيلت من HTML) */
.ai-chat-shell .modal-content {
  border-radius: 20px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  color: #1e293b;
}

.ai-chat-shell .modal-content h5,
.ai-chat-shell .modal-content .text-center {
  color: #166534;
}

.ai-chat-shell .modal-close-x {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.55);
  color: #64748b;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.9rem;
  z-index: 10;
}

.ai-chat-shell .modal-close-x:hover {
  background: rgba(0, 255, 200, 0.25);
  color: #0f766e;
  border-color: rgba(0, 255, 200, 0.45);
}

.ai-chat-shell .form-field input {
  border-radius: 12px;
  padding: 10px;
  border: 1px solid #ddd;
  background: rgba(255, 255, 255, 0.95);
  color: #1e293b;
}

.ai-chat-shell .form-field input:focus {
  border-color: #94d2b8;
  box-shadow: 0 0 0 2px rgba(52, 120, 90, 0.12);
  outline: none;
}

.ai-chat-shell .btn-verify {
  border-radius: 12px;
  padding: 10px 16px;
  background: linear-gradient(135deg, #6b9f7a 0%, #4a8f6a 45%, #3d7a5c 100%);
  color: #f8faf8;
  font-weight: 700;
  border: none;
  box-shadow: 0 2px 8px rgba(45, 90, 65, 0.2);
}

.ai-chat-shell .btn-verify:hover {
  filter: brightness(1.04);
}

.ai-chat-shell .btn-cancel {
  border-color: rgba(148, 163, 184, 0.4);
  color: #64748b;
}

.ai-chat-shell .btn-cancel:hover {
  border-color: rgba(0, 255, 200, 0.4);
  color: #0f766e;
}

.ai-chat-shell .modal-backdrop.show {
  opacity: 0.45;
}

@media (min-width: 768px) {
  .ai-chat-shell {
    --font-size: clamp(16px, 1.5vw, 17px);
  }

  .ai-chat-shell .chat-body {
    padding-left: 16px;
    padding-right: 16px;
  }
}

@media (max-width: 420px) {
  .ai-chat-shell .header-login-btn span.login-text {
    display: none;
  }

  .ai-chat-shell .header-login-btn {
    padding: 8px 12px;
    min-width: 46px;
  }

  .ai-chat-shell .message {
    padding: 14px 16px;
  }

  .ai-chat-shell .action-btn,
  .ai-chat-shell .send-btn {
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ai-chat-shell::before {
    animation: none;
  }

  .ai-chat-shell .message,
  .ai-chat-shell .typing-indicator,
  .ai-chat-shell .msg-user {
    animation: none;
  }
}