:root {
  /* Design Token Variables */
  --color-primary: #1e40af;
  --color-primary-dark: #1e3a8a;
  --color-primary-light: #3b82f6;
  --color-secondary: #0d9488;
  --color-accent: #f59e0b;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  /* Dark Theme Colors (project site) */
  --bg-dark: #0B1020;
  --bg-card: #0F2033;
  --bg-block: #0E1F31;
  --bg-input: #10243A;
  --border-dark: #17324C;
  --border-accent: #1B3A59;
  --text-primary: #E8F2FF;
  --text-secondary: #BBD3F5;
  --text-muted: #9BC3F2;
  --text-dim: #89A8D6;
  --gradient-accent: linear-gradient(90deg, #3BF2C6, #4DA3FF);
  --gradient-hero: linear-gradient(135deg, #0B1020 0%, #0A1A2B 55%, #0C2A3C 100%);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg-dark); color: var(--text-primary); font-family: var(--font-family); line-height: 1.6; }
a { color: #6DD6FF; text-decoration: none; transition: opacity 0.2s ease; }
a:hover { text-decoration: underline; opacity: 0.9; }


.wrap { max-width: 1120px; margin: 0 auto; padding: 40px 28px 80px; }
.hero {
  background: linear-gradient(135deg, #0B1020 0%, #0A1A2B 55%, #0C2A3C 100%);
  border: 1px solid #17324C;
  border-radius: 20px;
  padding: 32px;
  margin-bottom: 24px;
}
.hero h1 { margin: 0 0 10px; font-size: 38px; letter-spacing: 0.2px; }
.hero p { margin: 0; color: #BBD3F5; font-size: 16px; }
.nav { display: flex; gap: 14px; flex-wrap: wrap; margin: 18px 0 0; }
.chip { padding: 8px 14px; background: #10243A; border: 1px solid #1B3A59; border-radius: 999px; font-size: 13px; }
.view-toggle { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.btn {
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid #1B3A59;
  background: #10243A;
  color: #CFE6FF;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}
.btn.active { background: linear-gradient(90deg, #3BF2C6, #4DA3FF); color: #0B1020; border-color: transparent; }
.stepper { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; }
.step {
  background: #0E1F31;
  border: 1px solid #17324C;
  border-radius: 12px;
  padding: 12px;
}
.step .label { font-weight: 600; color: #CFE6FF; }
.step .muted { font-size: 12px; }
.placeholder {
  border: 1px dashed #2A4766;
  border-radius: 14px;
  padding: 16px;
  color: #9BC3F2;
  background: #0B1626;
}
.placeholder strong { color: #CFE6FF; }

.card { background: #0F2033; border: 1px solid #17324C; border-radius: 18px; padding: 22px; margin: 16px 0; }
.card h2 { margin: 0 0 8px; font-size: 22px; }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0 0 10px; color: #BBD3F5; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }

.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 12px; background: linear-gradient(90deg, #3BF2C6, #4DA3FF);
  color: #0B1020; border-radius: 999px; font-weight: 600; font-size: 13px;
}
.muted { color: #9BC3F2; font-size: 14px; }
.tag { display: inline-block; padding: 4px 10px; border-radius: 999px; background: #10243A; border: 1px solid #1B3A59; font-size: 12px; color: #BBD3F5; }
.connector { color: #6DD6FF; font-weight: 600; }

.lp-card { background: #0B1626; border: 1px solid #1B3A59; border-radius: 18px; padding: 20px; }
.lp-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.lp-section { margin: 14px 0; }
.lp-section .label { font-weight: 600; color: #CFE6FF; margin-bottom: 6px; }
.lp-list { margin: 0; padding-left: 18px; color: #BBD3F5; }
.lp-list li { margin: 4px 0; }
.cta { display: inline-block; padding: 10px 14px; border-radius: 10px; background: #1D3E5A; margin-top: 6px; font-weight: 600; }
.cta.secondary { background: #10243A; border: 1px solid #1B3A59; }

details { border: 1px solid #17324C; border-radius: 12px; padding: 12px 14px; background: #0F2033; }
details + details { margin-top: 10px; }
summary { cursor: pointer; font-weight: 600; }
.footer { margin-top: 30px; color: #89A8D6; font-size: 13px; }

.lp-preview {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
  margin-top: 10px;
}
.lp-panel {
  background: #0E1F31;
  border: 1px solid #17324C;
  border-radius: 16px;
  padding: 18px;
}
.lp-hero { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.lp-subhead { color: #BBD3F5; margin-bottom: 12px; }
.lp-inline { display: flex; gap: 10px; flex-wrap: wrap; }
.divider { height: 1px; background: #17324C; margin: 12px 0; }

.lp-full { margin-top: 16px; }
.lp-frame { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 18px; }
.lp-hero-card {
  background: linear-gradient(135deg, rgba(16,36,58,0.9), rgba(10,26,43,0.9));
  border: 1px solid #1B3A59;
  border-radius: 16px;
  padding: 22px;
}
.lp-hero-card h3 { margin: 0 0 8px; font-size: 24px; }
.lp-hero-card p { margin: 0 0 12px; color: #BBD3F5; }
.lp-section-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 12px; }
.lp-block {
  background: #0E1F31;
  border: 1px solid #17324C;
  border-radius: 14px;
  padding: 14px;
}
.lp-block .label { font-weight: 600; color: #CFE6FF; margin-bottom: 6px; }
.lp-footer-note { margin-top: 12px; color: #9BC3F2; font-size: 13px; }

.view-summary .weekly-detail { display: none; }
.view-weekly .summary-content { display: none; }
.view-weekly .weekly-detail { display: block; }

/* Week-by-Week Timeline Styles */
.week-timeline { display: flex; flex-direction: column; gap: 0; }
.week-block { position: relative; padding: 24px 24px 24px 80px; border-left: 3px solid #17324C; margin-left: 24px; }
.week-block:last-child { border-left-color: transparent; }
.week-block::before {
  content: attr(data-week);
  position: absolute;
  left: -42px;
  top: 24px;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #3BF2C6, #4DA3FF);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  color: #0B1020;
  text-align: center;
  line-height: 1.2;
}
.week-block.current::before { box-shadow: 0 0 20px rgba(59, 242, 198, 0.5); }
.week-block.completed::before { background: #10b981; }
.week-block.upcoming::before { background: #17324C; color: #9BC3F2; }
.week-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; flex-wrap: wrap; gap: 12px; }
.week-title { font-size: 20px; font-weight: 600; margin: 0; }
.week-dates { font-size: 13px; color: #9BC3F2; }
.week-focus { background: #10243A; border-radius: 8px; padding: 16px; margin-bottom: 16px; border-left: 3px solid #3BF2C6; }
.week-focus-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: #3BF2C6; margin-bottom: 4px; }
.day-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-top: 16px; }
.day-card { background: #0F2033; border-radius: 8px; padding: 12px; border: 1px solid #17324C; }
.day-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: #9BC3F2; margin-bottom: 8px; }
.day-tasks { font-size: 13px; }
.day-tasks li { margin-bottom: 4px; }
.deliverables { margin-top: 16px; padding-top: 16px; border-top: 1px solid #17324C; }
.deliverables-label { font-size: 12px; color: #f59e0b; margin-bottom: 8px; }
.deliverables-list { display: flex; flex-wrap: wrap; gap: 8px; }
.deliverable-tag { background: #f59e0b20; color: #f59e0b; padding: 4px 10px; border-radius: 12px; font-size: 12px; }

.doc h2 { margin: 18px 0 8px; font-size: 22px; }
.doc h3 { margin: 14px 0 6px; font-size: 18px; color: #CFE6FF; }
.doc p { color: #BBD3F5; line-height: 1.6; }
.doc ul { margin: 0 0 12px; padding-left: 20px; color: #BBD3F5; }
.doc li { margin: 4px 0; }
.callout {
  border: 1px solid #1B3A59;
  background: #10243A;
  border-radius: 14px;
  padding: 14px;
}