/* v3 Shop — minimal dual-canvas (grid + AI panel) layout */

:root {
  --bg: #0f1013;
  --bg-raised: #17181d;
  --panel: #141519;
  --fg: #e8e5db;
  --fg-dim: #a49f8f;
  --fg-dark: #736e60;
  --accent: #c9a95c;
  --accent-soft: rgba(201,169,92,0.18);
  --accent-glow: rgba(201,169,92,0.45);
  --border: rgba(255,255,255,0.08);
  --red: #6a1a1a;
  --white-wine: #c9b06a;
  --sparkling: #d8c98f;
  --rose: #c88da0;
  --shadow: 0 2px 20px rgba(0,0,0,0.45);
  --radius: 10px;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-display: 'Cormorant Garamond', Georgia, serif;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
}

/* ============ HEADER ============ */
.shop-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand {
  display: flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--accent);
}
.brand-glyph { font-size: 1.1rem; }
.header-right { display: flex; align-items: center; gap: 0.8rem; }
.user-chip {
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--fg-dim);
  font-size: 0.85rem;
}
.cart-btn {
  padding: 0.4rem 0.9rem;
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.9rem;
}
.cart-btn:hover { background: rgba(255,255,255,0.04); }
.cart-count { font-weight: 600; color: var(--accent); }

/* ============ MAIN ============ */
/* Two columns. The AI pane is sticky at viewport height so the chat
   input always stays in view regardless of how far the grid scrolls. */
.shop-main {
  display: grid;
  grid-template-columns: 1fr 400px;
  align-items: start;
}

/* Collapsed AI pane — grid reclaims space */
.shop-main.ai-minimized { grid-template-columns: 1fr 48px; }

@media (max-width: 1100px) {
  .shop-main { grid-template-columns: 1fr 340px; }
}
@media (max-width: 768px) {
  .shop-main { grid-template-columns: 1fr; }
  .ai-pane {
    position: fixed !important; left: 0; right: 0; bottom: 0;
    top: auto !important;
    height: 46vh;
    max-height: 46vh;
    border-top: 1px solid var(--border);
    z-index: 10;
  }
  .ai-pane.minimized { height: 52px; max-height: 52px; }
  .grid-pane { padding-bottom: 48vh; }
}

/* ============ GRID PANE ============ */
.grid-pane {
  padding: 0;
  overflow-y: auto;
}

.filter-bar {
  display: flex; gap: 0.5rem; flex-wrap: wrap;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky; top: 0; z-index: 5;
}
.chip {
  padding: 0.38rem 0.85rem;
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}
.chip:hover { background: rgba(255,255,255,0.04); }
.chip.active { background: var(--accent); color: #1a1a1a; border-color: var(--accent); font-weight: 500; }
.chip.chip-clear { color: var(--accent); border-color: var(--accent-soft); }

.grid-header {
  padding: 0.7rem 1.5rem 0;
  font-family: var(--font-display);
  font-style: italic;
  color: var(--accent);
  font-size: 0.92rem;
}

/* Compare strip — shown above the grid when 2+ wines selected */
.compare-strip {
  margin: 0.8rem 1.5rem;
  padding: 0.6rem 0.9rem;
  background: rgba(122, 154, 107, 0.08);
  border: 1px solid rgba(122, 154, 107, 0.25);
  border-radius: var(--radius);
}
.compare-strip-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
}
.compare-strip-header .dim { color: var(--fg-dim); }
.compare-strip-actions { display: flex; gap: 0.4rem; }
.mini-btn {
  padding: 0.3rem 0.8rem;
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.8rem;
}
.mini-btn:hover { background: rgba(255,255,255,0.05); }
.compare-strip-list { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.compare-chip {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.25rem 0.7rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.8rem;
  max-width: 240px;
}
.compare-chip > span {
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.compare-chip .x {
  width: 16px; height: 16px;
  background: transparent; color: var(--fg-dim); border: none;
  cursor: pointer; font-size: 1rem; line-height: 1; padding: 0;
}
.compare-chip .x:hover { color: var(--fg); }

/* Focus banner in AI pane */
.focus-banner {
  padding: 0.55rem 1rem;
  background: rgba(201,169,92,0.08);
  border-bottom: 1px solid rgba(201,169,92,0.2);
  font-size: 0.82rem;
}
.focus-banner .focus-label {
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.7rem;
  margin-bottom: 0.15rem;
}
.focus-banner .focus-wine {
  display: flex; justify-content: space-between; align-items: center;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-style: italic;
}
.focus-banner .x {
  width: 20px; height: 20px;
  background: transparent; color: var(--fg-dim); border: none;
  cursor: pointer; font-size: 1.1rem; line-height: 1; padding: 0;
}
.focus-banner .x:hover { color: var(--fg); }

.wine-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 1rem;
  padding: 1rem 1.5rem 2rem;
}
.empty-grid {
  grid-column: 1 / -1;
  padding: 3rem;
  text-align: center;
  color: var(--fg-dim);
  font-family: var(--font-display);
  font-style: italic;
}

.wine-card {
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.12s ease-out, box-shadow 0.12s ease-out, border-color 0.2s;
}
.wine-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: rgba(255,255,255,0.14);
}
.wine-card.is-highlighted {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 6px 22px var(--accent-glow);
  animation: pulse 1.8s ease-out 2;
}
.wine-card.in-compare { border-color: #7a9a6b; }

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 var(--accent-glow); }
  60%  { box-shadow: 0 0 0 16px rgba(201,169,92,0); }
  100% { box-shadow: 0 0 0 0 rgba(201,169,92,0); }
}

.card-colour {
  height: 72px;
  background: linear-gradient(135deg, rgba(255,255,255,0.04), rgba(0,0,0,0.3));
  position: relative;
}
.card-colour::before {
  content: "";
  position: absolute; inset: 18px 18px 12px auto;
  width: 28px; height: 38px; border-radius: 4px;
}
.card-colour.c-red::before { background: var(--red); }
.card-colour.c-white::before { background: var(--white-wine); }
.card-colour.c-sparkling::before { background: var(--sparkling); }
.card-colour.c-rose::before { background: var(--rose); }

.card-body { padding: 0.8rem 0.9rem 0.9rem; flex: 1; display: flex; flex-direction: column; }
.card-winery { font-size: 0.75rem; color: var(--fg-dim); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.2rem; }
.card-name {
  font-family: var(--font-display);
  font-size: 1.08rem;
  margin: 0 0 0.35rem;
  line-height: 1.2;
  color: var(--fg);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta { font-size: 0.8rem; color: var(--fg-dim); margin-bottom: 0.5rem; }
.card-meta .dim { color: var(--fg-dark); }
.card-footer {
  margin-top: auto;
  display: flex; justify-content: space-between; align-items: center;
}
.card-price { color: var(--accent); font-weight: 500; }
.card-actions { display: flex; gap: 0.3rem; }
.mini {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: transparent;
  color: var(--fg-dim);
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 0.12s;
}
.mini:hover { background: rgba(255,255,255,0.05); color: var(--fg); }
.mini.active { background: var(--accent); color: #1a1a1a; border-color: var(--accent); }

/* ============ AI PANE ============ */
.ai-pane {
  display: flex;
  flex-direction: column;
  background: var(--bg-raised);
  border-left: 1px solid var(--border);
  min-height: 0;
  transition: width 0.18s;
  /* Pin to viewport so the input never scrolls off with the grid */
  position: sticky;
  top: 60px;              /* sticky header height */
  height: calc(100vh - 60px);
  overflow: hidden;        /* internal sections scroll on their own */
}
.ai-pane.minimized .ai-transcript,
.ai-pane.minimized .ai-input,
.ai-pane.minimized .suggestions,
.ai-pane.minimized .ai-title,
.ai-pane.minimized .ai-avatar { display: none; }

.ai-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--border);
  cursor: default;
}
.ai-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--accent-soft);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
}
.ai-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  flex: 1;
}
.ai-collapse {
  background: transparent;
  color: var(--fg-dim);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  padding: 0.3rem 0.6rem;
}

.ai-transcript {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.msg { max-width: 92%; }
.msg.user { align-self: flex-end; }
.msg.assistant { align-self: flex-start; }
.msg .msg-body {
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius);
  font-size: 0.93rem;
  white-space: pre-wrap;
  line-height: 1.5;
}
.msg.user .msg-body { background: var(--accent); color: #1a1a1a; }
.msg.assistant .msg-body { background: rgba(255,255,255,0.045); color: var(--fg); }
.msg.streaming .msg-body { border: 1px dashed var(--border); }
.msg.streaming.placeholder .msg-body em { color: var(--fg-dark); font-style: italic; }

.suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.5rem 1rem 0.6rem;
}
.suggest-chip {
  background: transparent;
  color: var(--fg-dim);
  border: 1px solid var(--border);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  font-size: 0.8rem;
  cursor: pointer;
  font-family: var(--font-display);
  font-style: italic;
}
.suggest-chip:hover { background: rgba(255,255,255,0.04); color: var(--fg); }

.ai-input {
  display: flex;
  align-items: flex-end;
  padding: 0.8rem;
  gap: 0.5rem;
  border-top: 1px solid var(--border);
}
.ai-input textarea {
  flex: 1;
  padding: 0.6rem 0.85rem;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--fg);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  resize: none;
  line-height: 1.4;
  min-height: 40px;
  max-height: 200px;
  overflow-y: auto;
}
.ai-input textarea:focus { border-color: var(--accent-soft); }
.ai-input button {
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: #1a1a1a;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 1rem;
  min-height: 40px;
}
.ai-input button:disabled { opacity: 0.5; cursor: not-allowed; }

/* ============ DETAIL ============ */
/* Scope backdrop to the grid pane only so the AI pane stays clickable.
   Right edge tracks the AI pane width per breakpoint. */
.detail-backdrop {
  position: fixed;
  top: 60px;
  left: 0;
  right: 400px;
  bottom: 0;
  background: rgba(0,0,0,0.72);
  display: flex; align-items: center; justify-content: center;
  z-index: 50;
  padding: 1rem;
}
.shop-main.ai-minimized ~ * .detail-backdrop,
body:has(.shop-main.ai-minimized) .detail-backdrop { right: 48px; }
@media (max-width: 1100px) { .detail-backdrop { right: 340px; } }
@media (max-width: 768px) {
  /* On mobile the AI pane is a bottom sheet — backdrop covers the grid
     area above it, leaving the sheet usable at the bottom. */
  .detail-backdrop { right: 0; bottom: 46vh; }
}
.detail-card {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 520px;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow);
}
.detail-close {
  position: absolute; top: 0.7rem; right: 0.9rem;
  background: transparent; color: var(--fg-dim);
  border: none; font-size: 1.2rem; cursor: pointer;
}
.detail-winery {
  font-size: 0.8rem; color: var(--fg-dim); text-transform: uppercase;
  letter-spacing: 0.06em; margin-bottom: 0.3rem;
}
.detail-card h2 {
  font-family: var(--font-display); font-size: 1.7rem; margin: 0 0 0.5rem; color: var(--fg);
}
.detail-meta { color: var(--fg-dim); font-size: 0.88rem; margin-bottom: 1rem; }
.detail-desc { line-height: 1.55; color: var(--fg); font-size: 0.93rem; }
.detail-hint {
  margin-top: 1rem;
  padding: 0.55rem 0.8rem;
  background: rgba(201,169,92,0.08);
  border: 1px solid rgba(201,169,92,0.22);
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: var(--fg-dim);
  font-style: italic;
}
.detail-row {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--border);
}
.detail-price { color: var(--accent); font-size: 1.3rem; font-weight: 500; }
.primary {
  padding: 0.6rem 1.3rem; background: var(--accent); color: #1a1a1a;
  border: none; border-radius: var(--radius); font-size: 0.95rem; cursor: pointer;
  font-weight: 500;
}
.primary:hover { filter: brightness(1.1); }