/* ============================================================
   AgentLab E-Book Architectural Stylesheet
   Matching the exact branding and styling of https://agentlab.framer.ai/
   ============================================================ */

:root {
  --ebook-bg: #f5f5f5;
  --ebook-page-bg: #ffffff;
  --ebook-page-border: #e6e6e6;
  --ebook-card-shadow: 0 12px 36px rgba(0, 0, 0, 0.06);
}

body {
  background: var(--ebook-bg) !important;
  color: #000000 !important;
  font-family: var(--font-sans) !important;
}

/* Sticky Architectural Toolbar */
.toolbar {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  border-bottom: 1px solid #e6e6e6 !important;
}

.toolbar a {
  color: #000000 !important;
  font-size: 12px !important;
  font-weight: 500 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.04em !important;
}

.toolbar a:hover {
  color: #0036fa !important;
}

.toolbar .hint {
  color: #4d4d4d !important;
  font-family: var(--font-mono) !important;
  font-size: 12px !important;
}

/* AgentLab Sharp Rectangular Button */
.toolbar .btn,
.btn {
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
  cursor: pointer !important;
  font-family: var(--font-sans) !important;
  background: #000000 !important;
  color: #ffffff !important;
  border: 1px solid #000000 !important;
  border-radius: 0 !important;
  padding: 10px 18px !important;
  font-size: 12px !important;
  font-weight: 500 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.04em !important;
  box-shadow: none !important;
  transition: all 0.15s ease !important;
}

.toolbar .btn:hover,
.btn:hover {
  background: #0036fa !important;
  border-color: #0036fa !important;
  color: #ffffff !important;
}

/* Crisp Architectural A4 Page */
.page {
  background: var(--ebook-page-bg) !important;
  color: #000000 !important;
  border: 1px solid var(--ebook-page-border) !important;
  border-radius: 0 !important;
  box-shadow: var(--ebook-card-shadow) !important;
}

/* Editorial Serif Headings inside Ebook */
.page h1,
.page h2,
.page h2.title,
.lens-head h2 {
  font-family: var(--font-serif) !important;
  font-weight: 300 !important;
  letter-spacing: -0.015em !important;
}

/* Eyebrow with Dual-Parallelogram Mark */
.page .eyebrow {
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
  font-family: var(--font-sans) !important;
  font-size: 11.5px !important;
  font-weight: 500 !important;
  letter-spacing: 0.06em !important;
  text-transform: uppercase !important;
  color: #000000 !important;
}

.page .eyebrow::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 9px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='10' viewBox='0 0 18 10' fill='none'%3E%3Cdefs%3E%3ClinearGradient id='g' x1='18' y1='0' x2='0' y2='0' gradientUnits='userSpaceOnUse'%3E%3Cstop stop-color='%230036FA'/%3E%3Cstop offset='0.55' stop-color='%23558BFB'/%3E%3Cstop offset='1' stop-color='%23C0E2F9'/%3E%3C/linearGradient%3E%3C/defs%3E%3Cpolygon points='5,0 18,0 16,4 3,4' fill='url(%23g)'/%3E%3Cpolygon points='2,6 15,6 13,10 0,10' fill='url(%23g)'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: contain;
}

/* Pitch-Black + Cobalt Faceted AgentLab Cover */
.page.cover,
.cover,
.part-cover {
  background:
    linear-gradient(135deg, #000000 0%, #000000 48%, #0022b8 68%, #558bfb 88%, #c0e2f9 100%) !important;
  color: #ffffff !important;
  border: 1px solid #000000 !important;
}

.cover .eyebrow,
.part-cover .eyebrow {
  color: #ffffff !important;
}

.cover h1,
.part-cover h1 {
  color: #ffffff !important;
  font-family: var(--font-serif) !important;
  font-weight: 300 !important;
}

/* Brandline lockup: tight spacing between heading and subheading */
.cover .brandline,
.part-cover .brandline,
.brandline {
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
}

.cover .brandline > span:last-child,
.part-cover .brandline > span:last-child,
.brandline > span:last-child,
.brand-text {
  display: flex !important;
  flex-direction: column !important;
  line-height: 1.15 !important;
  justify-content: center !important;
}

.cover .brand-name,
.part-cover .brand-name,
.brandline .brand-name {
  display: block !important;
  font-weight: 700 !important;
  font-size: 15px !important;
  line-height: 1.15 !important;
  letter-spacing: -0.01em !important;
  margin: 0 !important;
}

.cover .brand-sub,
.part-cover .brand-sub,
.brandline .brand-sub {
  display: block !important;
  font-family: var(--font-mono) !important;
  font-size: 10px !important;
  line-height: 1.15 !important;
  letter-spacing: 0.12em !important;
  text-transform: uppercase !important;
  color: #ffffffb3 !important;
  margin: 2px 0 0 0 !important;
}

.page-foot {
  border-top: 1px solid #e6e6e6 !important;
  color: #737373 !important;
  font-family: var(--font-mono) !important;
}

/* Print Overrides */
@media print {
  @page { size: A4; margin: 0; }
  body { background: #ffffff !important; color: #000000 !important; }
  .toolbar { display: none !important; }
  .book { padding: 0 !important; }
  .page {
    background: #ffffff !important;
    color: #000000 !important;
    border: none !important;
    box-shadow: none !important;
    margin: 0 !important;
  }
  .page.cover,
  .cover,
  .part-cover {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }
}