@import url('https://fonts.googleapis.com/css2?family=Syncopate:wght@400;700&family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&family=Instrument+Serif:ital@0;1&family=Plus+Jakarta+Sans:wght@200;400;600&display=swap');

:root {
  --primary: #0a0a0a;
  --secondary: #f5f5f5;
  --accent: #8e7dbe;
  --surface: #ffffff;
  --surface-low: #f8f8f8;
  --text: #1a1a1a;
  --text-dim: #707070;
  --spacing: 1.5rem;
  --radius: 12px;
  --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--surface);
  color: var(--text);
  line-height: 1.6;
  overscroll-behavior: none;
  min-height: 100vh;
}

/* Typography */
h1, h2, h3 {
  font-family: 'Syncopate', sans-serif;
  text-transform: uppercase;
  letter-spacing: -0.05em;
  font-weight: 700;
}

.seriffed {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-weight: 400;
}

/* Layout */
.app-container {
  max-width: 480px;
  margin: 0 auto;
  position: relative;
  min-height: 100vh;
  padding-bottom: 80px;
}

header {
  padding: 2.5rem var(--spacing);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.brand {
  font-size: 1.8rem;
  line-height: 0.9;
}

.search-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.search-icon:active {
  transform: scale(0.92);
  background: var(--surface-low);
}

/* Featured Section */
.featured {
  padding: 0 var(--spacing);
  margin-bottom: 3rem;
}

.canvas-card {
  aspect-ratio: 4/5;
  background: var(--surface-low);
  border-radius: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 30px rgba(0,0,0,0.03);
  display: flex;
  flex-direction: column;
}

.canvas-image {
  flex: 1;
  background-size: cover;
  background-position: center;
  mix-blend-mode: multiply;
  opacity: 0.95;
}

.canvas-info {
  padding: 2rem;
  background: linear-gradient(to top, rgba(255,255,255,0.95), rgba(255,255,255,0));
}

.canvas-title {
  font-size: 2.5rem;
}

/* Categories List */
.sections {
  padding: 0 var(--spacing);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.category-chips {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  padding-bottom: 1rem;
  scrollbar-width: none;
}

.chip {
  padding: 0.6rem 1.4rem;
  border: 1px solid #eee;
  border-radius: 100px;
  white-space: nowrap;
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
}

.chip.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* Grid Layout */
.inventory-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}

.item-card {
  border-radius: 16px;
  background: var(--surface-low);
  overflow: hidden;
  position: relative;
  transition: var(--transition);
}

.item-card:active {
  transform: scale(0.96);
}

.item-thumbnail {
  aspect-ratio: 1;
  background-size: cover;
  background-position: center;
}

.item-details {
  padding: 0.8rem;
}

.item-name {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.2rem;
}

.item-category {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* Navigation Bar */
.nav-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 70px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: flex;
  justify-content: space-around;
  align-items: center;
  border-top: 1px solid rgba(0,0,0,0.05);
  box-shadow: 0 -10px 30px rgba(0,0,0,0.02);
  z-index: 1000;
}

.nav-item {
  width: 40px;
  height: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #ccc;
  transition: var(--transition);
}

.nav-item.active {
  color: var(--primary);
}

.nav-dot {
  width: 4px;
  height: 4px;
  background: var(--primary);
  border-radius: 50%;
  margin-top: 4px;
  opacity: 0;
  transition: var(--transition);
}

.nav-item.active .nav-dot {
  opacity: 1;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: fadeIn 0.8s var(--transition) both;
}