*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #f1f5f9;
  --surface:  #ffffff;
  --border:   #e2e8f0;
  --text:     #1e293b;
  --muted:    #64748b;
  --accent:   #6366f1;
  --accent2:  #818cf8;
  --nav-h:    56px;
  --tab-h:    44px;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.hidden { display: none !important; }

/* ── Top nav ── */
.topnav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 60;
}
.topnav-left { display: flex; align-items: center; gap: 10px; }
.back-link {
  font-size: 0.82rem; color: var(--muted); text-decoration: none;
  font-weight: 500; transition: color 0.15s;
}
.back-link:hover { color: var(--accent); }
.divider { color: var(--border); }
.brand { font-size: 1rem; font-weight: 800; color: var(--text); }
.ai-badge {
  font-size: 0.75rem; font-weight: 600; padding: 4px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, #ede9fe, #ddd6fe);
  color: #5b21b6; border: 1px solid #c4b5fd; white-space: nowrap;
}

/* ── Tab bar ── */
.tab-bar {
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  height: var(--tab-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: stretch;
  padding: 0 20px;
  gap: 4px;
  z-index: 50;
}
.tab-btn {
  padding: 0 20px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ── Tab panels ── */
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Admin dashboard main ── */
.main {
  padding: calc(var(--nav-h) + var(--tab-h) + 24px) 24px 120px;
  max-width: 1300px;
  margin: 0 auto;
}

/* ── Stats row ── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 18px 20px;
  display: flex; align-items: center; gap: 14px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04); transition: box-shadow 0.2s;
}
.stat-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.08); }
.stat-icon { font-size: 1.6rem; flex-shrink: 0; }
.stat-value { font-size: 1.55rem; font-weight: 800; color: var(--text); line-height: 1; margin-bottom: 3px; }
.stat-label { font-size: 0.75rem; color: var(--muted); font-weight: 500; }

/* ── Tables grid ── */
.tables-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.table-section {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.table-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 20px 14px; border-bottom: 1px solid var(--border);
}
.table-header h2 { font-size: 0.95rem; font-weight: 700; color: var(--text); }
.table-count {
  font-size: 0.75rem; color: var(--muted); background: var(--bg);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 2px 10px; font-weight: 600;
}
.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 0.84rem; }
thead th {
  padding: 10px 16px; text-align: left;
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--muted); background: #f8fafc;
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
tbody tr { border-bottom: 1px solid #f1f5f9; transition: background 0.1s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: #f8fafc; }
tbody td { padding: 11px 16px; color: var(--text); white-space: nowrap; }
.loading { text-align: center; color: var(--muted); padding: 24px !important; font-style: italic; }

.badge-status {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.03em;
}
.badge-Delivered { background: #dcfce7; color: #15803d; }
.badge-Shipped   { background: #dbeafe; color: #1d4ed8; }
.badge-Pending   { background: #fef9c3; color: #a16207; }
.badge-Cancelled { background: #fee2e2; color: #b91c1c; }
.order-id { font-family: "SF Mono","Fira Code",monospace; font-size: 0.78rem; font-weight: 600; color: var(--accent); }

/* ════════════════════════════════════════════════
   STORE TAB
════════════════════════════════════════════════ */

#tab-store {
  padding-top: calc(var(--nav-h) + var(--tab-h));
  min-height: 100vh;
  background: #fff;
}

/* Store inner nav */
.store-nav {
  position: sticky;
  top: calc(var(--nav-h) + var(--tab-h));
  z-index: 40;
  background: #fff;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: 52px;
  gap: 16px;
}
.store-logo {
  font-size: 1.1rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  color: #0f172a;
  text-transform: uppercase;
  flex-shrink: 0;
}
.store-logo em {
  font-style: normal;
  color: var(--accent);
}
.store-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.store-filter {
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: none;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s;
}
.store-filter:hover { color: var(--text); background: var(--bg); }
.store-filter.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.store-filter.sale-link { color: #dc2626; }
.store-filter.sale-link.active { background: #dc2626; border-color: #dc2626; color: #fff; }
.store-cart-btn {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  transition: background 0.15s;
}
.store-cart-btn:hover { background: var(--bg); }

/* Store hero */
.store-hero {
  height: 320px;
  background: linear-gradient(135deg, #0f0c29 0%, #302b63 55%, #1a1a3e 100%);
  display: flex;
  align-items: center;
  padding: 0 48px;
  position: relative;
  overflow: hidden;
}
.store-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(124,109,240,0.25) 0%, transparent 60%);
  pointer-events: none;
}
.store-hero-inner { position: relative; z-index: 1; max-width: 520px; }
.store-hero-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(124,109,240,0.3);
  border: 1px solid rgba(124,109,240,0.5);
  color: #a78bfa;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.store-hero h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.5px;
  line-height: 1.1;
  margin-bottom: 12px;
}
.store-hero p {
  color: rgba(255,255,255,0.65);
  font-size: 0.95rem;
  margin-bottom: 28px;
}
.store-hero-btn {
  padding: 12px 28px;
  background: #fff;
  color: #302b63;
  border: none;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 800;
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
  letter-spacing: 0.02em;
}
.store-hero-btn:hover { background: #e8e4ff; transform: translateY(-1px); }

/* Store product section */
.store-body {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px 120px;
}
.store-section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.store-section-header h3 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text);
}

/* Product grid */
.store-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

/* Product card */
.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s;
  cursor: pointer;
}
.product-card:hover {
  box-shadow: 0 8px 28px rgba(0,0,0,0.10);
  transform: translateY(-4px);
}
.product-img {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  position: relative;
}
.product-sale-badge {
  position: absolute;
  top: 10px; left: 10px;
  background: #dc2626;
  color: #fff;
  font-size: 0.68rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 999px;
  letter-spacing: 0.05em;
}
.product-info { padding: 14px 16px 16px; }
.product-cat {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4px;
}
.product-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.3;
}
.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.product-price {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text);
}
.product-price .original {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: line-through;
  margin-left: 4px;
}
.btn-cart {
  padding: 7px 14px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  white-space: nowrap;
}
.btn-cart:hover { background: #4f46e5; transform: scale(1.04); }
.btn-cart.added { background: #16a34a; }

/* ════════════════════════════════════════════════
   FLOATING CHAT WIDGET
════════════════════════════════════════════════ */

#chat-toggle {
  position: fixed; bottom: 28px; right: 28px;
  width: 58px; height: 58px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border: none; cursor: pointer; font-size: 1.5rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(99,102,241,0.45);
  transition: transform 0.2s, box-shadow 0.2s;
  z-index: 200;
}
#chat-toggle:hover { transform: scale(1.08); box-shadow: 0 8px 28px rgba(99,102,241,0.55); }

.chat-panel {
  position: fixed; bottom: 100px; right: 28px;
  width: 360px; max-height: 520px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; box-shadow: 0 12px 48px rgba(0,0,0,0.18);
  display: flex; flex-direction: column; overflow: hidden;
  z-index: 199;
  transform: translateY(20px) scale(0.95); opacity: 0; pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
}
.chat-panel.open { transform: translateY(0) scale(1); opacity: 1; pointer-events: all; }

.chat-panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  flex-shrink: 0;
}
.chat-panel-title { display: flex; align-items: center; gap: 10px; }
.chat-avatar {
  width: 34px; height: 34px; background: rgba(255,255,255,0.2);
  border-radius: 50%; display: flex; align-items: center;
  justify-content: center; font-size: 1rem; flex-shrink: 0;
}
.chat-panel-title strong { display: block; color: #fff; font-size: 0.88rem; font-weight: 700; }
.chat-subtitle { display: block; font-size: 0.72rem; color: rgba(255,255,255,0.75); }
#chat-close {
  background: rgba(255,255,255,0.15); border: none; color: #fff;
  width: 28px; height: 28px; border-radius: 50%; font-size: 0.85rem;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background 0.15s; flex-shrink: 0;
}
#chat-close:hover { background: rgba(255,255,255,0.25); }

.chat-body {
  padding: 18px 16px; display: flex; flex-direction: column;
  gap: 8px; overflow-y: auto; flex: 1;
}
.chat-intro { font-size: 0.85rem; color: var(--muted); margin-bottom: 4px; }
#dp-lead-form { display: flex; flex-direction: column; gap: 8px; }
#dp-lead-form label { font-size: 0.75rem; font-weight: 600; color: var(--muted); }
#dp-lead-form input {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border);
  border-radius: 8px; font-size: 0.875rem; outline: none; transition: border-color 0.15s;
}
#dp-lead-form input:focus { border-color: var(--accent); }
#dp-start-btn {
  padding: 10px; background: var(--accent); color: #fff; border: none;
  border-radius: 8px; font-size: 0.875rem; font-weight: 700;
  cursor: pointer; margin-top: 4px; transition: background 0.15s;
}
#dp-start-btn:hover { background: #4f46e5; }
#dp-start-btn:disabled { background: #a5b4fc; cursor: not-allowed; }
.dp-error { font-size: 0.75rem; color: #dc2626; text-align: center; }
.chat-hint {
  font-size: 0.75rem; color: var(--muted); background: #f8fafc;
  border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 10px; line-height: 1.5; margin-top: 8px;
}

#dp-chat-view { display: flex; flex-direction: column; flex: 1; overflow: hidden; }
.dp-messages {
  flex: 1; overflow-y: auto; padding: 14px 14px 8px;
  display: flex; flex-direction: column; gap: 8px; scroll-behavior: smooth;
}
.dp-bubble {
  max-width: 82%; padding: 9px 13px; border-radius: 14px;
  font-size: 0.84rem; line-height: 1.45; word-break: break-word; white-space: pre-wrap;
}
.dp-bubble.user { align-self: flex-end; background: var(--accent); color: #fff; border-bottom-right-radius: 3px; }
.dp-bubble.bot  { align-self: flex-start; background: #f1f5f9; color: var(--text); border-bottom-left-radius: 3px; }
.dp-bubble.typing { color: var(--muted); font-style: italic; }

.dp-input-row { display: flex; gap: 8px; padding: 10px 12px; border-top: 1px solid var(--border); flex-shrink: 0; }
#dp-input {
  flex: 1; padding: 9px 12px; border: 1px solid var(--border);
  border-radius: 8px; font-size: 0.84rem; outline: none; transition: border-color 0.15s;
}
#dp-input:focus { border-color: var(--accent); }
#dp-send {
  padding: 9px 16px; background: var(--accent); color: #fff; border: none;
  border-radius: 8px; font-size: 0.84rem; font-weight: 700;
  cursor: pointer; transition: background 0.15s; flex-shrink: 0;
}
#dp-send:hover { background: #4f46e5; }
#dp-send:disabled { background: #a5b4fc; cursor: not-allowed; }

/* ── Responsive ── */
@media (max-width: 700px) {
  .store-nav { padding: 0 16px; }
  .store-links { display: none; }
  .store-hero { padding: 0 24px; height: 260px; }
  .chat-panel { width: calc(100vw - 32px); right: 16px; bottom: 88px; }
  #chat-toggle { right: 16px; bottom: 16px; }
  .topnav-right { display: none; }
}