:root {
  --bg: #121212;
  --card: #1e1e1e;
  --text: #f1f1f1;
  --muted: #b0b0b0;
  --primary: #00bcd4;
  --primary-hover: #26c6da;
  --radius: 16px;
  --border: #2a2a2a;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.5;
}

/* Top Bar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(18, 18, 18, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.brand {
  font-weight: 700;
}

.top-actions {
  display: flex;
  gap: 8px;
}

.btn-secondary {
  background: var(--primary);
  color: #000;
  border: none;
  padding: 10px 12px;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease;
}

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

/* Filtros e Inputs */
.controls {
  position: sticky;
  top: 54px;
  z-index: 90;
  padding: 10px 16px;
  background: linear-gradient(180deg, rgba(18,18,18,.95), rgba(18,18,18,0));
}

.input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #1a1a1a;
  color: var(--text);
}

.selects {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.select {
  flex: 1;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #1a1a1a;
  color: var(--text);
}

/* Grid de Produtos */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
  padding: 16px 20px 80px;
}

.product-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 220px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 14px rgba(0,0,0,0.4);
}

/* Imagem */
.product-img {
  width: 100%;
  height: 130px;
  object-fit: contain;
  border-radius: 12px;
  background-color: #1a1a1e;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Títulos e Preços */
.product-title {
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.3;
}

.product-meta {
  color: var(--muted);
  font-size: 0.85rem;
}

.product-price {
  font-size: 1.1rem;
  font-weight: bold;
  color: var(--primary);
  margin-top: 4px;
}

/* Ação */
.action-row {
  margin-top: auto;
  display: flex;
  gap: 8px;
}

.btn {
  flex: 1;
  background: var(--primary);
  color: #000;
  border: none;
  padding: 10px 12px;
  border-radius: 12px;
  font-weight: 600;
  transition: background 0.2s ease, transform 0.1s ease;
  cursor: pointer;
}

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

.btn:active {
  transform: scale(0.98);
}

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 16px;
  background: #1f2937;
  color: #fff;
  padding: 10px 14px;
  border-radius: 999px;
  opacity: 0;
  transition: opacity .25s;
}

.toast.show {
  opacity: 1;
}

/* Responsividade */
@media (min-width: 768px) {
  .grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}
.group-bar {
  display: flex;
  overflow-x: auto;
  gap: 8px;
  padding: 8px 12px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.group-bar::-webkit-scrollbar {
  height: 6px;
}
.group-bar::-webkit-scrollbar-thumb {
  background: #444;
  border-radius: 4px;
}

.group-btn {
  flex-shrink: 0;
  scroll-snap-align: start;
  padding: 8px 16px;
  background: #222;
  color: #fff;
  border: 1px solid #333;
  border-radius: 20px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s;
}

.group-btn:hover {
  background: #333;
}

.group-btn.active {
  background: #4ade80;
  color: #111;
  border-color: #4ade80;
}