/* ============================================================
   Flatline Robotics — Flyer Base CSS
   Layout structure shared across all themes.
   Theme CSS files override the custom properties defined here.
   ============================================================ */

@page { size: 8.5in 11in; margin: 0; }

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  width: 8.5in;
  height: 11in;
  font-family: var(--font-body);
  overflow: hidden;
  background: var(--page-bg);
}

/* ---- Page container ---- */
.flyer-page {
  width: 8.5in;
  height: 11in;
  position: relative;
  overflow: hidden;
  background: var(--page-bg-gradient, var(--page-bg));
  color: var(--text-primary);
}

/* Background pattern overlay */
.flyer-page::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: var(--pattern-opacity, 0.04);
  background-image: var(--pattern-image, none);
  background-size: var(--pattern-size, auto);
  pointer-events: none;
}

/* Decorative orbs / blobs */
.orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.orb-1 {
  top: var(--orb1-top, -60px);
  right: var(--orb1-right, 40px);
  width: var(--orb1-size, 280px);
  height: var(--orb1-size, 280px);
  background: var(--orb1-bg);
}
.orb-2 {
  bottom: var(--orb2-bottom, 100px);
  left: var(--orb2-left, -60px);
  width: var(--orb2-size, 220px);
  height: var(--orb2-size, 220px);
  background: var(--orb2-bg);
}

/* ---- Content area ---- */
.flyer-content {
  position: relative;
  z-index: 1;
  padding: 0.45in 0.55in 0.35in;
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* ---- Header ---- */
.flyer-brand {
  font-family: var(--font-mono, var(--font-body));
  font-size: 10px;
  font-weight: var(--brand-weight, 500);
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent-1);
  margin-bottom: 4px;
}

.flyer-title {
  font-family: var(--font-display);
  font-size: var(--title-size, 58px);
  font-weight: var(--title-weight, 900);
  line-height: 1.0;
  color: var(--text-heading);
  margin-bottom: 2px;
  letter-spacing: var(--title-letter-spacing, 0);
}

.flyer-title .highlight { color: var(--accent-1); }

.flyer-tagline {
  font-family: var(--font-mono, var(--font-body));
  font-size: var(--tagline-size, 12px);
  color: var(--text-secondary);
  margin-bottom: 14px;
  letter-spacing: 1px;
  font-weight: var(--tagline-weight, 400);
}

/* Accent divider bar */
.flyer-bar {
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2), transparent);
  margin-bottom: 14px;
  border-radius: 2px;
}

/* Wavy bar variant */
.flyer-wave-bar {
  width: 100%;
  height: 6px;
  margin-bottom: 16px;
}
.flyer-wave-bar svg { width: 100%; height: 6px; }

/* ---- Badges row (pill style) ---- */
.flyer-badges {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.flyer-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--badge-bg);
  border: var(--badge-border-width, 1.5px) solid var(--badge-border-color);
  border-radius: 20px;
  padding: 5px 13px;
  font-size: 12px;
  font-weight: 700;
  color: var(--badge-text);
}

/* ---- Meta row (dot style — for recurring programs) ---- */
.flyer-meta {
  display: flex;
  gap: 14px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.flyer-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary-dark, var(--text-primary));
}

.flyer-meta-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--dot-radius, 2px);
}
.dot-a1 { background: var(--accent-1); }
.dot-a2 { background: var(--accent-2); }
.dot-a3 { background: var(--accent-3); }
.dot-a4 { background: var(--accent-4); }

/* ---- Two-column layout ---- */
.flyer-columns {
  display: flex;
  gap: 22px;
  flex: 1;
  min-height: 0;
}

.flyer-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.flyer-col-wide { flex: 1.1; }

/* ---- Base card ---- */
.card {
  background: var(--card-bg);
  border: var(--card-border, 1px solid var(--card-border-color));
  border-radius: var(--card-radius, 10px);
  padding: 14px 16px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--card-shadow, none);
}

/* Accent bar on card */
.card::before {
  content: '';
  position: absolute;
  border-radius: var(--accent-border-radius, 3px 0 0 3px);
}

/* Left-bar accent (default: dark themes) */
.card.accent-left::before {
  top: 0; left: 0;
  width: 3px; height: 100%;
  border-radius: 3px 0 0 3px;
}

/* Top-bar accent (playful/light themes) */
.card.accent-top::before {
  top: 0; left: 0;
  width: 100%; height: 4px;
  border-radius: var(--card-radius, 10px) var(--card-radius, 10px) 0 0;
}

/* No accent */
.card.accent-none::before { display: none; }

/* Accent colors */
.card.a1::before { background: linear-gradient(var(--card-accent-dir, 180deg), var(--accent-1), var(--accent-1-dark, var(--accent-1))); }
.card.a2::before { background: linear-gradient(var(--card-accent-dir, 180deg), var(--accent-2), var(--accent-2-dark, var(--accent-2))); }
.card.a3::before { background: linear-gradient(var(--card-accent-dir, 180deg), var(--accent-3), var(--accent-3-dark, var(--accent-3))); }
.card.a4::before { background: linear-gradient(var(--card-accent-dir, 180deg), var(--accent-4), var(--accent-4-dark, var(--accent-4))); }

/* Glow variant */
.card.card-glow {
  background: linear-gradient(135deg, var(--glow-bg-1, rgba(255,255,255,.03)), var(--glow-bg-2, rgba(255,255,255,.03)));
  border-color: var(--glow-border, rgba(255,255,255,.1));
}

/* Dark inverted card (Q&A box, philosophy box) */
.card.card-dark {
  background: var(--card-dark-bg);
  color: var(--card-dark-text);
  border: none;
}
.card.card-dark::before { display: none; }
.card.card-dark .card-title { color: var(--card-dark-title); }
.card.card-dark p, .card.card-dark li { color: var(--card-dark-body); }

/* Highlight box (dashed border, gradient bg) */
.card.card-highlight {
  background: var(--highlight-bg);
  border: var(--highlight-border-width, 2px) dashed var(--highlight-border-color);
  border-radius: var(--card-radius, 10px);
  text-align: center;
}
.card.card-highlight::before { display: none; }
.card.card-highlight .card-title { color: var(--accent-1); }

/* ---- Card content ---- */
.card-title {
  font-family: var(--font-display);
  font-size: var(--card-title-size, 17px);
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 6px;
  margin-top: var(--card-title-top, 2px);
  text-transform: var(--card-title-transform, none);
  letter-spacing: var(--card-title-spacing, 0);
}

.card p, .card li {
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--text-secondary);
  font-weight: 400;
}

/* Bullet list */
.card ul { list-style: none; padding: 0; }
.card li {
  padding-left: 18px;
  position: relative;
  margin-bottom: 3px;
}
.card li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 7px;
  width: 6px;
  height: 6px;
  background: var(--bullet-color, var(--accent-1));
  border-radius: var(--bullet-radius, 50%);
  opacity: var(--bullet-opacity, 0.7);
}

/* Colored bullet variants for playful theme */
.card li.li-a1::before { background: var(--accent-1); border: 1.5px solid var(--accent-1); opacity: 1; border-radius: 3px; width: 12px; height: 12px; top: 4px; background: var(--li-bg-1, var(--accent-1)); }
.card li.li-a2::before { background: var(--li-bg-2, var(--accent-2)); border: 1.5px solid var(--accent-2); opacity: 1; border-radius: 3px; width: 12px; height: 12px; top: 4px; }
.card li.li-a3::before { background: var(--li-bg-3, var(--accent-3)); border: 1.5px solid var(--accent-3); opacity: 1; border-radius: 3px; width: 12px; height: 12px; top: 4px; }
.card li.li-a4::before { background: var(--li-bg-4, var(--accent-4)); border: 1.5px solid var(--accent-4); opacity: 1; border-radius: 3px; width: 12px; height: 12px; top: 4px; }

/* ---- Weeks / Steps timeline ---- */
.timeline { display: flex; flex-direction: column; gap: 7px; }

.timeline-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.timeline-num {
  min-width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--step-radius, 6px);
  font-family: var(--font-mono, var(--font-body));
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.timeline-num.n1 { background: var(--step-1-color, var(--accent-1)); }
.timeline-num.n2 { background: var(--step-2-color, var(--accent-2)); }
.timeline-num.n3 { background: var(--step-3-color, var(--accent-3)); }
.timeline-num.n4 { background: var(--step-4-color, var(--accent-4)); }
.timeline-num.n5 { background: var(--step-5-color, #9B59B6); }
.timeline-num.n6 { background: var(--step-6-color, #1ABC9C); }
.timeline-num.n7 { background: var(--step-7-color, #E94560); }
.timeline-num.n8 { background: var(--step-8-color, #0F3460); }

.timeline-title {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-heading);
}

.timeline-desc {
  font-size: 10.5px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.timeline-time {
  font-size: 9px;
  font-weight: 700;
  color: var(--text-muted, var(--text-secondary));
  letter-spacing: 0.3px;
  opacity: 0.6;
}

/* ---- Tags / Skill bubbles ---- */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 4px;
}

.tag {
  font-size: 9.5px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 14px;
  letter-spacing: 0.3px;
}

.tag.t1 { background: var(--tag-bg-1); color: var(--tag-color-1); }
.tag.t2 { background: var(--tag-bg-2); color: var(--tag-color-2); }
.tag.t3 { background: var(--tag-bg-3); color: var(--tag-color-3); }
.tag.t4 { background: var(--tag-bg-4); color: var(--tag-color-4); }

/* ---- Tool chips (compact) ---- */
.tools {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 3px;
}

.tool-chip {
  font-size: 9px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 10px;
  background: var(--chip-bg);
  color: var(--chip-color);
  border: 1px solid var(--chip-border);
}

/* ---- Custom content ---- */
.card-custom-body {
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--text-secondary);
}

/* ---- Illustration area ---- */
.flyer-illustration {
  display: flex;
  justify-content: center;
  padding: 4px 0;
}

/* ---- CTA footer ---- */
.flyer-cta {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--cta-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cta-text {
  font-size: 12px;
  color: var(--text-secondary);
}

.cta-text strong { color: var(--text-heading); }

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--btn-bg);
  color: var(--btn-text, #fff);
  font-family: var(--font-display);
  font-size: var(--btn-font-size, 16px);
  font-weight: 800;
  padding: 9px 24px;
  border-radius: var(--btn-radius, 6px);
  text-decoration: none;
  box-shadow: var(--btn-shadow, none);
  letter-spacing: var(--btn-letter-spacing, 0);
  text-transform: var(--btn-transform, none);
}

/* ---- Title subtitle (STEM Crate style) ---- */
.flyer-title-subtitle {
  font-size: var(--title-subtitle-size, 20px);
  font-weight: var(--title-subtitle-weight, 300);
  color: var(--title-subtitle-color, var(--accent-2));
  margin-bottom: 4px;
  letter-spacing: var(--title-subtitle-spacing, 0.5px);
  font-family: var(--font-body);
}

/* ---- Left accent stripe (STEM Crate) ---- */
.flyer-left-stripe {
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background: var(--left-stripe-bg, linear-gradient(180deg, var(--accent-1), var(--accent-2), var(--accent-1)));
  z-index: 2;
}

.flyer-content-striped {
  padding-left: 0.65in;
}

/* ---- Motor comparison table (Arduino Motor Control) ---- */
.motor-compare {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}
.motor-col {
  flex: 1;
  background: var(--motor-col-bg, rgba(0,0,0,.03));
  border: 1.5px solid var(--motor-col-border, rgba(0,0,0,.08));
  border-radius: 8px;
  padding: 8px 10px;
  text-align: center;
}
.motor-col-name {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-1);
  margin-bottom: 3px;
  letter-spacing: var(--card-title-spacing, 0);
  text-transform: var(--card-title-transform, none);
}
.motor-col-desc {
  font-size: 9.5px;
  color: var(--text-muted);
  line-height: 1.35;
}

/* ---- Price box (STEM Crate) ---- */
.price-box {
  background: var(--price-box-bg, linear-gradient(135deg, var(--accent-2), var(--accent-1)));
  border-radius: var(--card-radius, 10px);
  padding: 14px 16px;
  color: #fff;
  text-align: center;
}
.price-box-label {
  font-family: var(--font-mono, var(--font-body));
  font-size: 9px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-1);
  margin-bottom: 3px;
}
.price-box-range {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 3px;
  letter-spacing: -1px;
  color: #fff;
}
.price-box-note {
  font-size: 10px;
  color: rgba(255,255,255,.6);
  line-height: 1.4;
}

/* ---- Print ---- */
@media print {
  body { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}

/* ---- Responsive (screen only) ---- */
@media screen and (max-width: 900px) {
  html, body { width: 100%; height: auto; overflow: auto; }
  .flyer-page { width: 100%; height: auto; }
  .flyer-columns { flex-direction: column; }
  .flyer-content { padding: 0.3in 0.3in 0.3in; }
}