:root {
  --black: #000000;
  --surface: #111111;
  --surface-raised: #1A1A1A;
  --border: #222222;
  --border-visible: #333333;
  --text-disabled: #666666;
  --text-secondary: #999999;
  --text-primary: #E8E8E8;
  --text-display: #FFFFFF;
  --accent: #D71921;
  --accent-subtle: rgba(215, 25, 33, 0.15);
  --success: #4A9E5C;
  --warning: #D4A843;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

html, body { background: var(--black); color: var(--text-primary); }

body {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.label, .mono {
  font-family: 'Space Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ===== TOPBAR ===== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--black);
  border-bottom: 1px solid var(--border);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand { display: flex; align-items: center; gap: var(--space-md); }

.logo {
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--text-display);
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 13px;
  color: var(--text-display);
  letter-spacing: 0.04em;
}

.topbar h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-display);
  letter-spacing: -0.01em;
}

.topbar p {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg) var(--space-3xl);
}

/* ===== STATS - HERO TREATMENT ===== */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transition: border-color 200ms var(--ease);
}

.stat-card:hover { border-color: var(--border-visible); }

.stat-card .stat-icon { display: none; }

.stat-label {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 48px;
  font-weight: 300;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--text-display);
}

/* First stat = hero "moment of surprise" using Doto */
.stat-card:first-child .stat-value {
  font-family: 'Doto', 'Space Mono', monospace;
  font-weight: 700;
  font-size: 64px;
}

.stat-card.danger { border-color: var(--accent); }
.stat-card.danger .stat-value { color: var(--accent); }

/* ===== PANELS ===== */
.panel {
  background: transparent;
  border: none;
  padding: 0;
  margin-bottom: var(--space-2xl);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-lg);
  gap: var(--space-md);
  flex-wrap: wrap;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border);
}

.panel-header h2 {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.filters { display: flex; gap: var(--space-sm); }

.filters input,
.filters select {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-visible);
  border-radius: 0;
  color: var(--text-primary);
  padding: var(--space-sm) var(--space-md);
  font-family: 'Space Mono', monospace;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.filters input::placeholder { color: var(--text-disabled); }
.filters input:focus,
.filters select:focus { outline: none; border-color: var(--text-display); }

/* ===== ITEM LIST ===== */
.items {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.item-card {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  padding: var(--space-md) 0;
  cursor: pointer;
  transition: padding 150ms var(--ease);
  display: grid;
  grid-template-columns: 32px 1fr auto auto;
  gap: var(--space-md);
  align-items: center;
}

.item-card:hover { padding-left: var(--space-sm); }

.item-card::before {
  content: '';
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-disabled);
}

.item-card.out::before { background: var(--accent); box-shadow: 0 0 0 4px var(--accent-subtle); }
.item-card.low::before { background: var(--warning); }
.item-card.warning::before { background: var(--warning); opacity: 0.6; }
.item-card.ok::before { background: var(--success); }

.item-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.item-meta {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stock-bar {
  width: 80px;
  height: 4px;
  background: var(--border);
  border-radius: 0;
  overflow: hidden;
  display: flex;
  gap: 2px;
}

.stock-fill {
  height: 100%;
  transition: width 250ms var(--ease);
}

.stock-fill.out { background: var(--accent); }
.stock-fill.low { background: var(--warning); }
.stock-fill.warning { background: var(--warning); opacity: 0.6; }
.stock-fill.ok { background: var(--text-display); }

.item-footer {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-align: right;
}

.stock-info {
  font-family: 'Space Mono', monospace;
  font-size: 14px;
  white-space: nowrap;
}

.stock-info .current {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-display);
}

.stock-info .min {
  color: var(--text-disabled);
  margin-left: 4px;
}

.badge {
  display: inline-block;
  padding: 2px 10px;
  border: 1px solid var(--border-visible);
  background: transparent;
  border-radius: 999px;
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  white-space: nowrap;
}

.badge.ok { color: var(--success); border-color: var(--success); }
.badge.low { color: var(--warning); border-color: var(--warning); }
.badge.warning { color: var(--warning); border-color: var(--warning); opacity: 0.7; }
.badge.out, .badge.danger { color: var(--accent); border-color: var(--accent); }

/* ===== ORDER SUGGESTIONS ===== */
.orders {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.order-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  background: var(--surface);
  align-items: center;
  border-bottom: 1px solid var(--border);
}

.order-row:last-child { border-bottom: none; }

.order-row .qty {
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  color: var(--text-display);
}

.order-row .cost {
  font-family: 'Space Mono', monospace;
  color: var(--text-secondary);
  font-size: 14px;
}

/* ===== BUTTONS ===== */
.btn {
  font-family: 'Space Mono', monospace;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 12px 24px;
  min-height: 44px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: all 200ms var(--ease);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.btn.primary {
  background: var(--text-display);
  color: var(--black);
}

.btn.primary:hover { background: var(--text-primary); }

.btn.ghost {
  background: transparent;
  border: 1px solid var(--border-visible);
  color: var(--text-primary);
}

.btn.ghost:hover { border-color: var(--text-display); color: var(--text-display); }

.loading {
  text-align: center;
  padding: var(--space-2xl);
  font-family: 'Space Mono', monospace;
  font-size: 13px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ===== MODALS ===== */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

.modal.open { display: flex; }

.modal-content {
  background: var(--surface);
  border: 1px solid var(--border-visible);
  border-radius: 16px;
  padding: var(--space-xl);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-content.small { max-width: 400px; }

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
}

.modal-header h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px;
  font-weight: 500;
  color: var(--text-display);
}

.close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 24px;
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: grid;
  place-items: center;
}

.close:hover { color: var(--text-display); }

form label {
  display: block;
  margin-bottom: var(--space-md);
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

form input,
form select,
form textarea {
  display: block;
  width: 100%;
  margin-top: var(--space-xs);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-visible);
  border-radius: 0;
  color: var(--text-display);
  padding: var(--space-sm) 0;
  font-family: 'Space Mono', monospace;
  font-size: 14px;
}

form input:focus,
form select:focus,
form textarea:focus {
  outline: none;
  border-color: var(--text-display);
}

.row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-md);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
}

.stock-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}

.stock-buttons .btn { padding: 12px; }

.muted {
  font-family: 'Space Mono', monospace;
  color: var(--text-secondary);
  font-size: 13px;
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ===== CHAT FAB ===== */
.chat-fab {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  width: 56px;
  height: 56px;
  border-radius: 999px;
  background: var(--text-display);
  color: var(--black);
  display: grid;
  place-items: center;
  cursor: pointer;
  z-index: 50;
  transition: transform 200ms var(--ease);
}

.chat-fab:hover { transform: scale(1.05); }
.chat-fab.hidden { display: none; }

.fab-pulse { display: none; }

/* ===== CHAT PANEL ===== */
.chat-panel {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  width: 420px;
  max-width: calc(100vw - 2rem);
  height: 640px;
  max-height: calc(100vh - 3rem);
  background: var(--surface);
  border: 1px solid var(--border-visible);
  border-radius: 16px;
  display: none;
  flex-direction: column;
  overflow: hidden;
  z-index: 60;
}

.chat-panel.open { display: flex; }

.chat-header {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface);
}

.chat-title { display: flex; align-items: center; gap: var(--space-md); }

.chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1.5px solid var(--text-display);
  display: grid;
  place-items: center;
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--text-display);
}

.chat-name {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  font-size: 14px;
  color: var(--text-display);
}

.chat-status {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: 2px;
}

.chat-status .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.msg { display: flex; }
.msg.user { justify-content: flex-end; }

.msg-bubble {
  max-width: 85%;
  padding: var(--space-sm) var(--space-md);
  border-radius: 12px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.msg.user .msg-bubble {
  background: var(--text-display);
  color: var(--black);
  border-bottom-right-radius: 4px;
}

.msg.bot .msg-bubble {
  background: var(--surface-raised);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.msg.bot.thinking .msg-bubble {
  color: var(--text-secondary);
}

.msg-bubble .action {
  display: inline-block;
  margin-top: var(--space-sm);
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  background: transparent;
  border: 1px solid var(--success);
  color: var(--success);
  padding: 2px 10px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.typing {
  display: inline-flex;
  gap: 4px;
  padding: 4px 0;
}

.typing span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text-secondary);
  animation: typing 1.2s infinite;
}

.typing span:nth-child(2) { animation-delay: 0.15s; }
.typing span:nth-child(3) { animation-delay: 0.3s; }

@keyframes typing {
  0%, 60%, 100% { opacity: 0.3; }
  30% { opacity: 1; }
}

.chat-suggestions {
  padding: 0 var(--space-lg) var(--space-sm);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.chat-suggestions button {
  background: transparent;
  border: 1px solid var(--border-visible);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 999px;
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all 200ms var(--ease);
}

.chat-suggestions button:hover {
  border-color: var(--text-display);
  color: var(--text-display);
}

.chat-input {
  padding: var(--space-md) var(--space-lg);
  display: flex;
  gap: var(--space-sm);
  border-top: 1px solid var(--border);
  background: var(--surface);
  align-items: center;
}

.chat-input input {
  flex: 1;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-visible);
  border-radius: 0;
  color: var(--text-display);
  padding: 10px 0;
  font-family: 'Space Mono', monospace;
  font-size: 13px;
  text-transform: none;
}

.chat-input input:focus { outline: none; border-color: var(--text-display); }
.chat-input input::placeholder {
  color: var(--text-disabled);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 11px;
}

.mic-btn,
.send-btn {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: none;
  display: grid;
  place-items: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 200ms var(--ease);
}

.send-btn {
  background: var(--text-display);
  color: var(--black);
}

.send-btn:hover { background: var(--text-primary); }

.mic-btn {
  background: transparent;
  border: 1px solid var(--border-visible);
  color: var(--text-secondary);
}

.mic-btn:hover { border-color: var(--text-display); color: var(--text-display); }

.mic-btn.recording {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--text-display);
  animation: pulse-record 1.5s infinite;
}

@keyframes pulse-record {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-subtle); }
  50% { box-shadow: 0 0 0 6px transparent; }
}

/* ===== MOBILE ===== */
@media (max-width: 640px) {
  .container { padding: var(--space-lg) var(--space-md) var(--space-2xl); }
  .topbar { padding: var(--space-md); }
  .stat-card:first-child .stat-value { font-size: 48px; }
  .stat-value { font-size: 32px; }
  .item-card { grid-template-columns: 16px 1fr auto; }
  .item-card .stock-bar { display: none; }
  .filters input { min-width: 0; flex: 1; }
  .chat-panel {
    width: 100vw;
    max-width: 100vw;
    height: 100vh;
    max-height: 100vh;
    bottom: 0;
    right: 0;
    border-radius: 0;
  }
  .chat-fab { bottom: var(--space-md); right: var(--space-md); }
}