/* Phase 11A — Assad Motors chat app. White / blue / grey, ChatGPT-like. */

:root {
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-soft: #eff4ff;
  --ink: #1f2933;
  --ink-soft: #52606d;
  --grey-line: #e5e9f0;
  --grey-bg: #f7f8fa;
  --bubble-user: var(--blue);
  --bubble-bot: #f1f3f7;
  --radius: 14px;
  --sidebar-w: 264px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  display: flex;
  overflow: hidden;
}

button { font: inherit; cursor: pointer; }
svg { width: 20px; height: 20px; display: block; }

/* ── Sidebar ─────────────────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  background: var(--grey-bg);
  border-right: 1px solid var(--grey-line);
  display: flex;
  flex-direction: column;
  padding: 14px 12px;
  gap: 10px;
  height: 100dvh;
}
#newChatBtn {
  display: flex; align-items: center; gap: 8px;
  width: 100%; padding: 10px 12px;
  background: #fff; color: var(--ink);
  border: 1px solid var(--grey-line); border-radius: 10px;
  font-weight: 600; font-size: 14px;
  transition: background .15s, border-color .15s;
}
#newChatBtn:hover { background: var(--blue-soft); border-color: #c9d8f5; }
#newChatBtn svg { width: 16px; height: 16px; color: var(--blue); }
#recentLabel {
  font-size: 11px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: #9aa5b1; padding: 6px 6px 0;
}
#recentList { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 2px; }
.recent-item {
  display: flex; align-items: center; gap: 6px;
  padding: 9px 10px; border-radius: 9px; border: 0; background: none;
  color: var(--ink-soft); font-size: 13.5px; text-align: left; width: 100%;
}
.recent-item span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.recent-item:hover { background: #eef1f5; color: var(--ink); }
.recent-item.active { background: var(--blue-soft); color: var(--blue-dark); font-weight: 600; }
.recent-del {
  border: 0; background: none; color: #b3bcc7; font-size: 15px; line-height: 1;
  padding: 2px 4px; border-radius: 6px; visibility: hidden;
}
.recent-item:hover .recent-del { visibility: visible; }
.recent-del:hover { color: #b42318; background: #fde8e8; }
#sidebarFooter { font-size: 11.5px; color: #9aa5b1; padding: 4px 6px; }
#scrim {
  position: fixed; inset: 0; background: rgba(15, 23, 42, .38);
  z-index: 30; backdrop-filter: blur(1px);
}

/* ── Main column ─────────────────────────────────────────────────────── */
#main { flex: 1; display: flex; flex-direction: column; height: 100dvh; min-width: 0; }

#topbar {
  display: flex; align-items: center; gap: 10px;
  height: 58px; padding: 0 14px;
  border-bottom: 1px solid var(--grey-line);
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  flex: 0 0 auto;
}
#menuBtn {
  display: none;
  border: 0; background: none; color: var(--ink-soft);
  padding: 8px; border-radius: 8px;
}
#menuBtn:hover { background: var(--grey-bg); }
#brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
#logo {
  width: 36px; height: 36px; border-radius: 10px; flex: 0 0 auto;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: #fff; font-weight: 800; font-size: 17px;
  display: flex; align-items: center; justify-content: center;
  background-size: cover; background-position: center;
}
#brandName { font-weight: 700; font-size: 15.5px; line-height: 1.15; }
#brandTag { font-size: 11.5px; color: var(--ink-soft); }
#headerActions { margin-left: auto; display: flex; gap: 6px; }
.hbtn {
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 10px;
  color: var(--ink-soft); text-decoration: none;
  border: 1px solid transparent;
  transition: background .15s, color .15s;
}
.hbtn:hover { background: var(--blue-soft); color: var(--blue-dark); }

/* ── Chat area ───────────────────────────────────────────────────────── */
#chatScroll { flex: 1; overflow-y: auto; } /* scroll animation controlled in JS */
#conversation {
  max-width: 780px; margin: 0 auto;
  padding: 26px 18px 8px;
  display: flex; flex-direction: column; gap: 16px;
}

/* Welcome */
#welcome { text-align: center; padding: 9vh 8px 20px; }
#welcomeEmoji { font-size: 44px; }
#welcomeTitle { font-size: 27px; margin: 12px 0 6px; font-weight: 800; letter-spacing: -.01em; }
#welcomeSub { color: var(--ink-soft); font-size: 15.5px; margin: 0 0 26px; }
#chips {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px; max-width: 660px; margin: 0 auto;
}
.chip {
  padding: 12px 14px; border-radius: 12px;
  border: 1px solid var(--grey-line); background: #fff;
  font-size: 13.5px; color: var(--ink);
  transition: border-color .15s, background .15s, transform .1s;
}
.chip:hover { border-color: var(--blue); background: var(--blue-soft); transform: translateY(-1px); }

/* Messages */
.msg { display: flex; gap: 10px; animation: rise .22s ease both; }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.msg.user { justify-content: flex-end; }
.avatar {
  width: 30px; height: 30px; border-radius: 9px; flex: 0 0 auto; margin-top: 2px;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: #fff; font-size: 13px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  background-size: cover; background-position: center;
}
.bubble {
  max-width: 82%;
  padding: 11px 15px;
  border-radius: var(--radius);
  font-size: 15px; line-height: 1.6;
  overflow-wrap: break-word;
}
.msg.user .bubble {
  background: var(--bubble-user); color: #fff;
  border-bottom-right-radius: 5px;
}
.msg.bot .bubble {
  background: var(--bubble-bot); color: var(--ink);
  border-bottom-left-radius: 5px;
}
.bubble a { color: var(--blue-dark); text-decoration: underline; word-break: break-all; }
.msg.user .bubble a { color: #dbeafe; }
.bubble ul { margin: 6px 0; padding-left: 20px; }
.bubble li { margin: 2px 0; }
.bubble code {
  background: #e4e9f2; border-radius: 5px; padding: 1px 5px;
  font-size: 13px; font-family: ui-monospace, Consolas, monospace;
}
.bubble strong { font-weight: 700; }

/* Typing indicator */
.typing { display: inline-flex; gap: 5px; padding: 4px 2px; }
.typing i {
  width: 7px; height: 7px; border-radius: 50%; background: #9aa5b1;
  animation: blink 1.2s infinite both;
}
.typing i:nth-child(2) { animation-delay: .18s; }
.typing i:nth-child(3) { animation-delay: .36s; }
@keyframes blink { 0%, 70%, 100% { opacity: .25; transform: none; } 35% { opacity: 1; transform: translateY(-3px); } }

/* Vehicle cards */
.cars { display: flex; flex-direction: column; gap: 10px; margin-left: 40px; }
.car-card {
  border: 1px solid var(--grey-line); border-radius: 12px;
  padding: 12px 14px; background: #fff;
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px;
  box-shadow: 0 1px 2px rgba(16, 24, 40, .04);
}
.car-title { font-weight: 700; font-size: 14.5px; flex: 1; min-width: 150px; }
.car-reg {
  color: var(--ink-soft); font-weight: 600; font-size: 12px;
  background: var(--grey-bg); border: 1px solid var(--grey-line);
  border-radius: 6px; padding: 1px 7px; margin-left: 8px;
  letter-spacing: .03em; white-space: nowrap; vertical-align: 1px;
}
.car-price { color: var(--blue-dark); font-weight: 800; font-size: 14.5px; }
.car-price-req { color: var(--grey-text, #64748b); font-weight: 600; font-style: italic; }
.car-chips { display: flex; flex-wrap: wrap; gap: 6px; width: 100%; }
.car-chip {
  font-size: 11.5px; color: var(--ink-soft);
  background: var(--grey-bg); border: 1px solid var(--grey-line);
  border-radius: 999px; padding: 3px 9px;
}
/* media inside chat */
.media-row { display: flex; flex-wrap: wrap; gap: 8px; margin-left: 40px; }
.media-thumb {
  width: 108px; height: 78px; object-fit: cover; border-radius: 10px;
  border: 1px solid var(--grey-line); cursor: pointer;
}
.media-link {
  display: inline-flex; align-items: center;
  font-size: 13px; color: var(--blue-dark); text-decoration: none;
  border: 1px solid var(--grey-line); border-radius: 999px; padding: 5px 12px;
  background: #fff;
}
.media-link:hover { background: var(--blue-soft); }

/* ── Composer ────────────────────────────────────────────────────────── */
#composerWrap { flex: 0 0 auto; padding: 10px 14px calc(10px + env(safe-area-inset-bottom)); }
#composer {
  max-width: 780px; margin: 0 auto;
  display: flex; align-items: flex-end; gap: 8px;
  border: 1.5px solid var(--grey-line); border-radius: 26px;
  padding: 8px 10px 8px 18px;
  background: #fff;
  box-shadow: 0 4px 18px rgba(16, 24, 40, .06);
  transition: border-color .15s, box-shadow .15s;
}
#composer:focus-within { border-color: var(--blue); box-shadow: 0 4px 22px rgba(37, 99, 235, .13); }
#input {
  flex: 1; border: 0; outline: 0; resize: none;
  font: inherit; font-size: 15px; line-height: 1.5;
  max-height: 132px; padding: 6px 0;
  background: transparent; color: var(--ink);
}
#micBtn, #sendBtn {
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 0; flex: 0 0 auto;
}
#micBtn { background: none; color: #b3bcc7; cursor: not-allowed; }
#sendBtn { background: var(--blue); color: #fff; transition: background .15s, opacity .15s; }
#sendBtn:hover { background: var(--blue-dark); }
#sendBtn:disabled { opacity: .35; cursor: default; }
#footerNote {
  text-align: center; font-size: 11.5px; color: #9aa5b1;
  padding-top: 8px; max-width: 780px; margin: 0 auto;
}

/* ── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 959px) {
  #sidebar {
    position: fixed; left: 0; top: 0; z-index: 40;
    transform: translateX(-105%);
    transition: transform .22s ease;
    box-shadow: 8px 0 30px rgba(15, 23, 42, .12);
  }
  #sidebar.open { transform: none; }
  #menuBtn { display: flex; }
}
@media (max-width: 640px) {
  #brandTag { display: none; }
  .bubble { max-width: 88%; font-size: 14.5px; }
  #conversation { padding: 18px 12px 6px; }
  .cars, .media-row { margin-left: 0; }
  #welcome { padding-top: 6vh; }
  #welcomeTitle { font-size: 22px; }
  #chips { grid-template-columns: repeat(2, 1fr); }
  .hbtn { width: 34px; height: 34px; }
}

/* ── Vehicle detail overlay (card click) ─────────────────────────────────── */
body.vd-lock { overflow: hidden; }
.vd-overlay {
  position: fixed; inset: 0; z-index: 1000; display: none;
  background: rgba(20, 28, 40, .55); backdrop-filter: blur(2px);
  align-items: flex-start; justify-content: center; padding: 24px 16px;
  overflow-y: auto;
}
.vd-overlay.open { display: flex; }
.vd-panel {
  background: #fff; color: var(--ink); width: 100%; max-width: 560px;
  border-radius: var(--radius); box-shadow: 0 12px 40px rgba(0,0,0,.28);
  padding: 18px 18px 24px; max-height: calc(100vh - 48px); overflow-y: auto;
}
.vd-back {
  background: var(--blue-soft); color: var(--blue-dark); border: 0;
  border-radius: 10px; padding: 8px 14px; font-size: 14px; font-weight: 600;
  cursor: pointer; margin-bottom: 12px;
}
.vd-back:hover { background: #e0e9ff; }

/* ── Contact popup (dealership numbers) ── */
.contact-overlay {
  position: fixed; inset: 0; z-index: 1100; display: none;
  background: rgba(20, 28, 40, .55); backdrop-filter: blur(2px);
  align-items: center; justify-content: center; padding: 24px 16px;
}
.contact-overlay.open { display: flex; }
.contact-card {
  position: relative; background: #fff; color: var(--ink);
  width: 100%; max-width: 420px; border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(0,0,0,.28); padding: 20px 20px 22px;
}
.contact-close {
  position: absolute; top: 12px; right: 12px; width: 30px; height: 30px;
  border: 0; border-radius: 8px; background: var(--grey-bg); color: var(--ink-soft);
  font-size: 15px; cursor: pointer; line-height: 1;
}
.contact-close:hover { background: #e9edf3; color: var(--ink); }
.contact-title { font-size: 18px; font-weight: 700; padding-right: 32px; }
.contact-sub { font-size: 13px; color: var(--ink-soft); margin: 2px 0 14px; }
.contact-list { display: flex; flex-direction: column; gap: 10px; }
.contact-row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  flex-wrap: wrap; border: 1px solid var(--grey-line); border-radius: 12px;
  padding: 10px 12px;
}
.contact-num { font-size: 15.5px; font-weight: 600; letter-spacing: .2px; }
.contact-acts { display: flex; gap: 8px; }
.contact-btn {
  text-decoration: none; font-size: 13px; font-weight: 600;
  padding: 7px 14px; border-radius: 999px;
}
.contact-btn.call { background: var(--blue-soft); color: var(--blue-dark); }
.contact-btn.call:hover { background: #dbe6ff; }
.contact-btn.wa { background: #e7f8ee; color: #128c4b; }
.contact-btn.wa:hover { background: #d3f1e0; }
.vd-head { border-bottom: 1px solid var(--grey-line); padding-bottom: 12px; margin-bottom: 12px; }
.vd-title { font-size: 20px; font-weight: 700; }
.vd-reg { display: inline-block; margin-top: 4px; font-size: 12px; font-weight: 600;
  color: var(--ink-soft); background: var(--grey-bg); border: 1px solid var(--grey-line);
  border-radius: 6px; padding: 2px 8px; letter-spacing: .5px; }
.vd-sub { margin-top: 6px; font-size: 13px; color: var(--ink-soft); }
.vd-primary { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.vd-p { background: var(--grey-bg); border: 1px solid var(--grey-line); border-radius: 10px; padding: 8px 10px; }
.vd-pk { display: block; font-size: 11px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .4px; }
.vd-pv { display: block; font-size: 15px; font-weight: 600; margin-top: 2px; }
.vd-sec-title { font-size: 13px; font-weight: 700; color: var(--ink-soft);
  text-transform: uppercase; letter-spacing: .5px; margin: 14px 0 8px; }
.vd-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; }
.vd-row { display: flex; justify-content: space-between; gap: 8px; font-size: 14px;
  padding: 5px 0; border-bottom: 1px dashed var(--grey-line); }
.vd-k { color: var(--ink-soft); }
.vd-v { font-weight: 600; text-align: right; }
.vd-msg { padding: 24px 8px; text-align: center; color: var(--ink-soft); font-size: 15px; }
.vd-photos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.vd-photos img { width: 100%; height: 90px; object-fit: cover; border-radius: 8px; display: block; }
.vd-videos { display: grid; gap: 8px; }
.vd-videos video { width: 100%; border-radius: 8px; background: #000; }
.vd-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.vd-link { flex: 1 1 130px; min-width: 120px; text-align: center; text-decoration: none; font-weight: 600;
  font-size: 14px; padding: 10px; border-radius: 10px; border: 1px solid var(--grey-line); color: var(--ink); }
.vd-link.ig { background: #fdf2f8; border-color: #fbcfe8; color: #be185d; }
.vd-link.yt { background: #fef2f2; border-color: #fecaca; color: #b91c1c; }
.car-card.clickable { cursor: pointer; transition: box-shadow .12s, transform .12s; }
.car-card.clickable:hover { box-shadow: 0 4px 16px rgba(37,99,235,.16); transform: translateY(-1px); }
.car-card.clickable:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

@media (max-width: 560px) {
  .vd-overlay { padding: 0; }
  .vd-panel { max-width: 100%; min-height: 100vh; max-height: none; border-radius: 0; }
  .vd-grid { grid-template-columns: 1fr; }
  .vd-photos { grid-template-columns: repeat(2, 1fr); }
}

/* ── pull-to-refresh (mobile): pull down at the top of the chat to reload ── */
#ptr { position: fixed; top: 6px; left: 50%; width: 36px; height: 36px; margin-left: -18px;
  border-radius: 50%; background: #fff; box-shadow: 0 3px 12px rgba(15, 23, 42, .20);
  display: flex; align-items: center; justify-content: center; z-index: 60;
  opacity: 0; transform: translateY(-52px); pointer-events: none; }
#ptr.snap { transition: transform .2s ease, opacity .2s ease; }
#ptr .ptr-ic { width: 20px; height: 20px; border: 2.5px solid #cbd5e1;
  border-top-color: var(--blue, #2563eb); border-radius: 50%; }
#ptr.refreshing .ptr-ic { animation: ptr-rot .7s linear infinite; }
@keyframes ptr-rot { to { transform: rotate(360deg); } }

/* ── "Press back again to exit" toast (shown on the first Back at Welcome) ── */
.back-toast { position: fixed; left: 50%; bottom: 90px; transform: translate(-50%, 12px);
  max-width: 82%; padding: 11px 18px; border-radius: 22px; z-index: 70;
  background: rgba(15, 23, 42, .92); color: #fff; font-size: 14px; font-weight: 500;
  text-align: center; box-shadow: 0 6px 20px rgba(15, 23, 42, .28);
  opacity: 0; pointer-events: none; transition: opacity .18s ease, transform .18s ease; }
.back-toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ── parking-slot locator in the vehicle detail header ── */
.vd-slot { display: inline-flex; align-items: center; gap: 4px; margin-top: 8px;
  padding: 5px 12px; border-radius: 16px; font-size: 13.5px; font-weight: 500;
  background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.vd-slot b { font-weight: 700; }

/* ── parking-slot locator chip on a car card in the list ── */
.car-chip.car-slot { background: #ecfdf5; color: #047857; border-color: #a7f3d0; font-weight: 600; }

/* ── expandable "By Brand" / "Luxury by Brand" chips + their sub-chip row ── */
.chip-expand { font-weight: 600; }
.chip-expand::after { content: " ▾"; opacity: .6; font-size: 12px; }
.chip-expand.active { border-color: var(--blue); background: var(--blue-soft); }
.chip-expand.active::after { content: " ▴"; }
.subchips {
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: center;
  max-width: 660px; margin: 10px auto 0; padding: 12px;
  border: 1px dashed var(--grey-line); border-radius: 12px; background: var(--blue-soft);
}
.subchips .chip { background: #fff; padding: 9px 13px; }

/* ── grouped Instagram / YouTube links with brand logos (vehicle detail) ── */
.vd-links { display: block; }
.brand-defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.brand-ic { width: 18px; height: 18px; flex: none; display: inline-block; vertical-align: middle; }
.vd-lgroup { margin-top: 16px; }
.vd-lhead { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14.5px; margin: 0 0 8px; }
.vd-lhead .brand-ic { width: 21px; height: 21px; }
.vd-lbtns { display: flex; flex-wrap: wrap; gap: 10px; }
.vd-link { display: inline-flex; align-items: center; justify-content: center; gap: 7px; }

/* ── brand logos on the chat-bubble media strip pills ── */
.media-link { gap: 6px; }
.media-link .brand-ic { width: 16px; height: 16px; }
.media-link.ig { background: #fdf2f8; border-color: #fbcfe8; color: #be185d; }
.media-link.ig:hover { background: #fce7f3; }
.media-link.yt { background: #fef2f2; border-color: #fecaca; color: #b91c1c; }
.media-link.yt:hover { background: #fee2e2; }