:root {
  /* Brand Palette */
  --mint: #b2d9ca;
  --mint-dark: #1b4d3e;
  --peach: #f5b8ab;
  --peach-dark: #7a3224;
  --taro: #c3bad6;
  --taro-dark: #2b2438;
  --light-peach: #fde8e0;
  --white: #ffffff;

  /* Surface & Text Colors */
  --bg-gradient: linear-gradient(180deg, #ffffff 0%, #fde8e0 100%);
  --bg-card: #c3bad6; /* Taro Cards */
  --bg-modal: #ffffff;
  --border-card: #b2a6c8;
  --border-subtle: #ebdcd5;
  
  --text-main: #2b2438;   /* High-contrast deep plum-charcoal text */
  --text-muted: #5e536e;
}

/* Base Page Styling with Fixed Background */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg-gradient);
  background-attachment: fixed; /* Fixes background during scroll */
  color: var(--text-main);
  margin: 0;
  padding: 16px;
  min-height: 100vh;
  touch-action: manipulation;
}

/* Fixed / Sticky Mint Header Box */
header {
  position: sticky;
  top: 16px;
  z-index: 100;
  background-color: var(--mint);
  border: 1px solid #9ccab9;
  border-radius: 14px;
  padding: 14px 20px;
  max-width: 1000px;
  margin: 0 auto 24px auto;
  text-align: center;
  box-shadow: 0 8px 20px rgba(43, 36, 56, 0.12);
  backdrop-filter: blur(4px);
}

header h1 {
  color: var(--taro-dark);
  font-size: 1.8rem;
  margin: 0 0 2px 0;
  letter-spacing: -0.5px;
  font-weight: 800;
}

header p {
  color: var(--mint-dark);
  font-size: 0.9rem;
  margin: 0;
  font-weight: 700;
}

/* Scrollable Compact Grid View */
.pattern-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 16px;
  max-width: 1000px;
  margin: 0 auto;
}

/* Taro Pattern Cards */
.pattern-card {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 12px;
  text-align: center;
  cursor: pointer;
  border: 1px solid var(--border-card);
  box-shadow: 0 4px 12px rgba(195, 186, 214, 0.3);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.pattern-card:hover {
  transform: translateY(-4px);
  border-color: var(--peach-dark);
  box-shadow: 0 8px 20px rgba(245, 184, 171, 0.4);
}

.pattern-card img {
  width: 100%;
  height: 100px;
  object-fit: contain;
  background: var(--white);
  border-radius: 8px;
  padding: 4px;
  box-sizing: border-box;
}

.pattern-card h3 {
  font-size: 0.95rem;
  margin: 10px 0 2px 0;
  color: var(--taro-dark);
  font-weight: 700;
}

.pattern-card p {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0;
  font-weight: 600;
}

/* Full-Screen Modal Overlay */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  width: 100dvw;
  height: 100vh;
  height: 100dvh;
  background: rgba(43, 36, 56, 0.5);
  backdrop-filter: blur(6px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-content {
  background: var(--bg-modal);
  width: 100vw;
  width: 100dvw;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

/* Top Header Bar */
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  background: var(--taro);
  border-bottom: 1px solid var(--border-card);
  z-index: 20;
}

.modal-header h2 {
  margin: 0;
  font-size: 1.2rem;
  color: var(--taro-dark);
  font-weight: 700;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.reset-btn {
  background: var(--white);
  color: var(--text-main);
  border: 1px solid var(--border-card);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.reset-btn:active {
  background: var(--mint);
}

.close-btn {
  font-size: 2rem;
  background: none;
  border: none;
  color: var(--taro-dark);
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s ease;
}

.close-btn:hover {
  color: var(--peach-dark);
}

/* Image Wrapper */
.image-wrapper {
  flex: 1;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--light-peach);
  position: relative;
  touch-action: none;
  cursor: grab;
}

.image-wrapper img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  background: var(--white);
  padding: 12px;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(43, 36, 56, 0.12);
  transform-origin: center center;
  will-change: transform;
  transition: transform 0.05s linear;
}

/* Bottom Drawer Container */
.pattern-details {
  position: relative;
  background: var(--white);
  border-top: 2px solid var(--taro);
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.08);
  z-index: 20;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

/* Drawer Content Body */
.pattern-details-content {
  padding: 18px 20px 14px 20px;
  max-height: 28vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transition: max-height 0.3s ease, padding 0.3s ease, opacity 0.2s ease;
  opacity: 1;
}

/* Collapsed State */
.pattern-details.collapsed .pattern-details-content {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  opacity: 0;
  overflow: hidden;
}

/* Pinned Toggle Button */
.drawer-toggle-btn {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--taro);
  color: var(--taro-dark);
  border: 1px solid var(--border-card);
  border-bottom: none;
  padding: 6px 18px;
  border-radius: 12px 12px 0 0;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.06);
  z-index: 30;
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
  height: 36px;
  box-sizing: border-box;
  touch-action: manipulation;
  pointer-events: auto;
  -webkit-tap-highlight-color: transparent;
}

.drawer-toggle-btn:active {
  background: var(--peach);
}

.meta-pills {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  background: var(--light-peach);
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--peach);
}

.meta-pills strong {
  color: var(--peach-dark);
}

.pattern-details h3 {
  font-size: 0.85rem;
  margin: 10px 0 6px 0;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--mint-dark);
}

.color-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 6px 12px;
  padding-left: 18px;
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-main);
}