@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700;800&display=swap');

:root {
  --primary: #0a0a0a;
  --primary-rgb: 10,10,10;
  --surface-1: #111111;
  --surface: #111111;
  --surface-2: #1a1a1a;
  --surface-3: #222222;
  --border: #2a2a2a;
  --border-hover: #3a3a3a;
  --text: #e8e8e8;
  --text-secondary: #888;
  --text-muted: #555;
  --accent: #00d47b;
  --accent-dim: #00a85f;
  --accent-glow: rgba(0,212,123,0.15);
  --accent-glow-strong: rgba(0,212,123,0.25);
  --orange: #ff9f43;
  --orange-dim: rgba(255,159,67,0.15);
  --red: #ff4757;
  --red-dim: rgba(255,71,87,0.12);
  --blue: #4da6ff;
  --blue-dim: rgba(77,166,255,0.12);
  --radius: 8px;
  --radius-lg: 14px;
  --shadow: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --font: 'Cascadia Code', 'JetBrains Mono', 'Fira Code', monospace;
}

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

body {
  font-family: var(--font);
  background: var(--primary);
  color: var(--text);
  line-height: 1.7;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--accent);
  color: var(--primary);
}

/* NAV */
.nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  height: 56px;
  backdrop-filter: blur(12px);
  background: rgba(17,17,17,0.9);
}
.nav-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.5px;
  white-space: nowrap;
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 2px; }
.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.15s;
  letter-spacing: 0.2px;
}
.nav-links a:hover {
  color: var(--text);
  background: var(--surface-3);
}
.nav-links a.active {
  color: var(--accent);
  background: var(--accent-glow);
}

/* LAYOUT */
.container { max-width: 1200px; margin: 0 auto; padding: 2rem 1.5rem; }
.page-header { margin-bottom: 2rem; }
.page-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.25rem;
  letter-spacing: -0.5px;
}
.page-header p {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* CARDS */
.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border: 1px solid var(--border);
  transition: border-color 0.2s;
}
.card:hover { border-color: var(--border-hover); }
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

/* STAT CARDS */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
  margin-bottom: 2rem;
}
.stat-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  border: 1px solid var(--border);
  text-align: center;
}
.stat-card .stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
}
.stat-card .stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* BADGES */
.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: var(--font);
}
.badge-green { background: var(--accent-glow); color: var(--accent); }
.badge-orange { background: var(--orange-dim); color: var(--orange); }
.badge-red { background: var(--red-dim); color: var(--red); }
.badge-snap { background: var(--blue-dim); color: var(--blue); }

/* FORMS */
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
input, select, textarea {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: var(--font);
  transition: all 0.15s;
  background: var(--surface-2);
  color: var(--text);
}
input::placeholder { color: var(--text-muted); }
input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border: none;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  font-family: var(--font);
  letter-spacing: 0.2px;
}
.btn-primary {
  background: var(--accent);
  color: var(--primary);
}
.btn-primary:hover {
  background: var(--accent-dim);
  box-shadow: 0 0 20px var(--accent-glow);
}
.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  border-color: var(--text-secondary);
  color: var(--text);
  background: var(--surface-2);
}
.btn-accent {
  background: var(--orange);
  color: var(--primary);
}
.btn-accent:hover { background: #e88b30; }
.btn-large {
  padding: 0.85rem 2rem;
  font-size: 0.95rem;
  border-radius: var(--radius-lg);
}
.btn-block { width: 100%; }

/* TOGGLE */
.toggle-wrapper { display: flex; align-items: center; gap: 0.75rem; }
.toggle { position: relative; width: 44px; height: 24px; }
.toggle input { display: none; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--surface-3);
  border-radius: 24px;
  cursor: pointer;
  transition: background 0.2s;
  border: 1px solid var(--border);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  left: 2px; top: 2px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: all 0.2s;
}
.toggle input:checked + .toggle-slider {
  background: var(--accent-glow-strong);
  border-color: var(--accent);
}
.toggle input:checked + .toggle-slider::before {
  transform: translateX(20px);
  background: var(--accent);
}

/* TABLE */
table { width: 100%; border-collapse: collapse; }
th, td {
  padding: 0.65rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}
th {
  background: var(--surface-2);
  font-weight: 600;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
}
tr:hover { background: var(--surface-2); }

/* TOAST */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--accent);
  color: var(--primary);
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.85rem;
  box-shadow: 0 4px 24px rgba(0,212,123,0.3);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s;
  z-index: 1000;
}
.toast.show { transform: translateY(0); opacity: 1; }

/* PROGRESS BAR */
.progress-bar {
  background: var(--surface-3);
  border-radius: 4px;
  height: 6px;
  overflow: hidden;
  margin-top: 0.5rem;
}
.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
  transition: width 0.5s ease;
}

/* SEARCH */
.search-box { position: relative; margin-bottom: 1.5rem; }
.search-box input {
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
}
.search-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* HERO */
.hero {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 4rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}
.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  letter-spacing: -1px;
  position: relative;
}
.hero h1 span { color: var(--accent); }
.hero p {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 550px;
  margin: 0 auto 2.5rem;
  position: relative;
}
.hero-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* FEATURE CARDS */
.feature-card {
  text-align: left;
  padding: 1.5rem;
}
.feature-card .icon {
  width: 40px; height: 40px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid rgba(0,212,123,0.2);
}
.feature-card h3 {
  color: var(--text);
  margin-bottom: 0.4rem;
  font-size: 0.95rem;
}
.feature-card p { color: var(--text-secondary); font-size: 0.8rem; }

/* SECTION */
.section { margin-bottom: 2rem; }
.section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  letter-spacing: -0.3px;
}

/* RESULTS */
.result-card {
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
}
.result-card.no-match { border-left-color: var(--orange); }

/* TWO COL LAYOUT */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

/* DISPLAY BOARD */
.display-board {
  background: var(--primary);
  color: var(--text);
  min-height: 100vh;
  padding: 2rem;
}
.display-board h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  letter-spacing: -0.5px;
}
.display-board .date {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}
.display-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: border-color 0.15s;
}
.display-item:hover { border-color: var(--border-hover); }
.display-item .item-name { font-size: 1.1rem; font-weight: 700; }
.display-item .item-price { font-size: 1.3rem; font-weight: 800; color: var(--accent); }
.display-item .low-stock {
  background: var(--red-dim);
  color: var(--red);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.display-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 0.75rem;
}

/* CHART CONTAINER */
.chart-container {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border: 1px solid var(--border);
}

/* LOADING */
.loading {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
}
.spinner {
  display: inline-block;
  width: 24px; height: 24px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-bottom: 0.75rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* CATEGORY LABEL (display board) */
.category-label {
  grid-column: 1 / -1;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

/* SNAP BANNER */
.snap-banner {
  background: var(--blue-dim);
  color: var(--blue);
  text-align: center;
  padding: 0.65rem;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.3px;
  border-bottom: 1px solid rgba(77,166,255,0.2);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .two-col { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.8rem; }
  .nav { gap: 0.75rem; }
  .nav-links { gap: 0; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
  .container { padding: 1rem; }
  .nav { flex-direction: column; height: auto; padding: 0.75rem; }
}

/* ── Cart Panel ─────────────────────────────────────────────────────────────── */
.cart-fab {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: 50px;
  padding: 0.75rem 1.25rem;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 20px rgba(0,212,123,0.4);
  transition: transform 0.15s;
}
.cart-fab:hover { transform: scale(1.05); }
.cart-fab .cart-count {
  background: #000;
  color: var(--accent);
  border-radius: 50%;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}

.cart-panel {
  position: fixed;
  top: 0;
  right: -420px;
  width: 400px;
  height: 100vh;
  background: linear-gradient(180deg, rgba(17,17,17,0.98) 0%, rgba(13,13,13,0.98) 100%);
  border-left: 1px solid var(--border);
  z-index: 200;
  display: flex;
  flex-direction: column;
  transition: right 0.3s ease;
  box-shadow: -12px 0 34px rgba(0,0,0,0.45);
  backdrop-filter: blur(14px);
}
.cart-panel.open { right: 0; }

.cart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  background: rgba(20,20,20,0.96);
  border-bottom: 1px solid var(--border);
}
.cart-header h3 { margin: 0; font-size: 1.1rem; }
.cart-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

.cart-items {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.5rem;
  background: rgba(17,17,17,0.9);
}

.cart-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.cart-item-name { flex: 1; font-weight: 600; }
.cart-item-health {
  font-size: 0.75rem;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}
.cart-item-health.healthy { background: var(--accent-glow); color: var(--accent); }
.cart-item-health.unhealthy { background: var(--red-dim); color: var(--red); }
.cart-item-qty {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.cart-item-qty button {
  background: var(--surface-2);
  border: none;
  color: var(--text);
  width: 22px;
  height: 22px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cart-item-price { min-width: 52px; text-align: right; color: var(--accent); font-weight: 700; }

.cart-footer {
  padding: 1rem 1.5rem;
  background: rgba(16,16,16,0.98);
  border-top: 1px solid var(--border);
}

.health-bar-wrap { margin-bottom: 0.75rem; }
.health-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
}
.health-bar { height: 8px; background: var(--surface-2); border-radius: 4px; overflow: hidden; }
.health-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.4s ease, background 0.4s ease;
}

.discount-badge {
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 0.6rem 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  display: none;
}
.discount-badge.visible { display: block; }
.discount-badge strong { color: var(--accent); }

.cart-totals { margin-bottom: 0.75rem; font-size: 0.9rem; }
.cart-totals .row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.3rem;
  color: var(--text-secondary);
}
.cart-totals .row.total {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  border-top: 1px solid var(--border);
  padding-top: 0.5rem;
  margin-top: 0.35rem;
}
.cart-totals .discount-row { color: var(--accent); }
.cart-totals .transfer-row { color: var(--orange); }

.btn-clear-cart {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.6rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
}
.btn-clear-cart:hover { color: var(--red); border-color: var(--red); }

.add-to-cart-btn {
  appearance: none;
  background: linear-gradient(135deg, #26f2a2 0%, var(--accent) 55%, #00c88a 100%);
  color: #04110b;
  border: 1px solid rgba(0, 0, 0, 0.18);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 10px 20px rgba(0, 212, 123, 0.22), inset 0 1px 0 rgba(255,255,255,0.28);
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}
.add-to-cart-btn:hover {
  transform: translateY(-1px);
  filter: saturate(1.05);
  box-shadow: 0 14px 24px rgba(0, 212, 123, 0.3), inset 0 1px 0 rgba(255,255,255,0.32);
}
.add-to-cart-btn:active {
  transform: translateY(0);
  box-shadow: 0 6px 14px rgba(0, 212, 123, 0.22), inset 0 1px 0 rgba(255,255,255,0.2);
}
.add-to-cart-btn:focus-visible {
  outline: 2px solid rgba(255,255,255,0.95);
  outline-offset: 2px;
}

.cart-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 190;
}
.cart-overlay.visible { display: block; }

@media (max-width: 600px) {
  .cart-panel { width: 100%; right: -100%; }
  .payment-modal { width: 95%; max-height: 90vh; }
}

/* ── Payment Modal ─────────────────────────────────────────────────────────── */
.payment-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 400;
}
.payment-overlay.visible { display: block; }

.payment-modal {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 440px;
  max-width: 95vw;
  max-height: 85vh;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  z-index: 401;
  overflow: hidden;
  flex-direction: column;
}
.payment-modal.visible {
  display: flex;
}
.payment-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.payment-body {
  padding: 1rem 1.25rem;
  overflow-y: auto;
  flex: 1;
}
.payment-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
  background: var(--surface-2);
}
.payment-summary {
  background: var(--surface-2);
  border-radius: var(--radius);
  padding: 0.75rem;
  font-size: 0.85rem;
  max-height: 120px;
  overflow-y: auto;
}
.payment-summary .pay-item {
  display: flex;
  justify-content: space-between;
  padding: 0.2rem 0;
  color: var(--text-secondary);
}
.payment-summary .pay-item strong { color: var(--text); }

.pay-method-btn {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
}
.pay-method-btn:hover { border-color: var(--border-hover); color: var(--text); }
.pay-method-btn.active {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--accent);
}