:root {
  --ink: #1a2332;
  --paper: #f7f4ef;
  --accent: #0b6e4f;
  --accent-2: #c45c26;
  --line: #d9d2c5;
}

body {
  background: linear-gradient(180deg, #f7f4ef 0%, #efe8dc 120%);
  color: var(--ink);
  font-family: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  min-height: 100vh;
}

.bg-ink { background-color: var(--ink) !important; }

.brand-title {
  font-family: "Fraunces", "Source Serif 4", Georgia, serif;
  letter-spacing: -0.02em;
}

.privacy-banner {
  background: #ebe4d8;
  border-bottom: 1px solid var(--line);
  padding: 0.4rem 0;
}

.upload-zone {
  border: 2px dashed #9a8f7c;
  border-radius: 12px;
  padding: 2.5rem 1.5rem;
  text-align: center;
  background: rgba(255,255,255,0.55);
  transition: border-color 0.2s, background 0.2s;
}
.upload-zone.dragover {
  border-color: var(--accent);
  background: rgba(11, 110, 79, 0.08);
}

.stat-tile {
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem;
}
.stat-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; color: #666; }
.stat-value { font-size: 1.35rem; font-weight: 600; }

.action-card {
  display: block;
  background: rgba(255,255,255,0.75);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.25rem;
  text-decoration: none;
  color: inherit;
  height: 100%;
  transition: transform 0.15s, box-shadow 0.15s;
}
.action-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26,35,50,0.08);
  color: inherit;
}
.action-card h3 { font-size: 1.1rem; margin-bottom: 0.35rem; }
.action-card p { margin: 0; color: #5c564c; font-size: 0.9rem; }
.action-card-primary { border-color: var(--accent); background: rgba(11,110,79,0.08); }

.btn-primary {
  background-color: var(--accent);
  border-color: var(--accent);
}
.btn-primary:hover {
  background-color: #085a41;
  border-color: #085a41;
}

.thumb { border: 1px solid var(--line); border-radius: 2px; }
.page-preview-trigger { text-decoration: none; }
.page-preview-trigger:hover .thumb,
.page-preview-trigger:focus .thumb {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.page-preview-trigger:hover { text-decoration: underline; }
.page-preview-viewport {
  overflow: auto;
  max-height: 70vh;
  border: 1px solid var(--line);
  background: #e8e2d6;
  padding: 1rem;
  text-align: center;
}
.page-preview-zoom-inner {
  display: inline-block;
  transform-origin: top center;
  transition: transform 0.12s ease-out;
}
#page-preview-img {
  max-width: none;
  height: auto;
  background: #fff;
  display: block;
}

.loupe-modal-content {
  min-height: 80vh;
}
.loupe-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  min-height: 60vh;
}
.loupe-panels.loupe-panels-single {
  grid-template-columns: 1fr;
}
.loupe-pane {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: #ddd6c8;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}
.loupe-pane-label {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.65rem;
  background: rgba(255,255,255,0.75);
  border-bottom: 1px solid var(--line);
}
.loupe-viewport {
  overflow: auto;
  flex: 1;
  max-height: 65vh;
  background:
    linear-gradient(45deg, #ccc 25%, transparent 25%) 0 0 / 16px 16px,
    linear-gradient(-45deg, #ccc 25%, transparent 25%) 0 0 / 16px 16px,
    linear-gradient(45deg, transparent 75%, #ccc 75%) 0 0 / 16px 16px,
    linear-gradient(-45deg, transparent 75%, #ccc 75%) 0 0 / 16px 16px,
    #bbb;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
  cursor: crosshair;
}
.loupe-viewport img {
  display: block;
  image-rendering: auto;
  /* Never let the browser shrink below native pixels */
  max-width: none !important;
  height: auto;
  background: #fff;
}
.layout-preview-card {
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem;
  position: sticky;
  top: 1rem;
}
.qr-layout-viewport {
  overflow: auto;
  max-height: 70vh;
  background: #e8e2d6;
  padding: 0.5rem;
  border-radius: 6px;
  text-align: center;
}
#qr-layout-img {
  background: #fff;
}

.spread-frame { background: #ddd6c8; padding: 1rem; border-radius: 8px; }
.feature-summary {
  background: rgba(255,255,255,0.5);
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

/* Global busy overlay (every page) */
.global-loader {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(26, 35, 50, 0.42);
  backdrop-filter: blur(1px);
}
.global-loader.is-visible {
  display: flex;
}
.global-loader-panel {
  background: #f7f4ef;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.35rem 1.75rem;
  min-width: 14rem;
  max-width: min(22rem, 90vw);
  text-align: center;
  box-shadow: 0 12px 40px rgba(26, 35, 50, 0.18);
}
.global-loader-spinner {
  width: 2.35rem;
  height: 2.35rem;
  margin: 0 auto 0.85rem;
  border: 3px solid #d9d2c5;
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: global-loader-spin 0.7s linear infinite;
}
.global-loader-msg {
  font-size: 0.95rem;
  color: var(--ink);
}
body.is-busy {
  cursor: progress;
}
@keyframes global-loader-spin {
  to { transform: rotate(360deg); }
}