/* =====================================================================
   DatosLab : Site-wide redesign
   ---------------------------------------------------------------------
   Opt-in stylesheet that layers on top of base.css. Applied via:
     - body.site-redesign  : full gradient + floating tiles
       (homepage, courses index, course detail pages, paths,
        dashboard, account, login)
     - body.learn-redesign : calmer mostly-white treatment with
       peach + lavender corner glow (lesson player)

   Visual direction: same gradient backdrop + floating tiles +
   Fraunces/Inter Tight typography as the SQL course homepage.
   Nothing under base.css is modified, so any page that doesn't
   opt in stays exactly as before.

   Naming: --dl-* (DatosLab) to avoid colliding with the SQL course's
   --rd-* tokens.
   ===================================================================== */

.site-redesign {
  /* New design tokens */
  --dl-bg-peach: #F8E2D2;
  --dl-bg-lavender: #E0DAF5;
  --dl-bg-teal: #D2E9EA;
  --dl-bg-white: #FFFFFF;

  --dl-accent: #7B6BBF;          /* lavender : italic emphasis */
  --dl-accent-deep: #5B4DA0;
  --dl-accent-soft: rgba(123, 107, 191, 0.12);

  --dl-teal: #01696F;             /* brand teal, kept for continuity */
  --dl-teal-deep: #0C4E54;
  --dl-teal-soft: rgba(1, 105, 111, 0.08);

  --dl-coral: #E8946A;            /* secondary accent: warm peach-coral */
  --dl-coral-soft: rgba(232, 148, 106, 0.14);

  --dl-text: #1F1B30;
  --dl-text-muted: #6B6878;

  --dl-tile-bg: rgba(255, 255, 255, 0.78);
  --dl-tile-border: rgba(255, 255, 255, 0.85);
  --dl-tile-shadow:
    0 1px 2px rgba(31, 27, 48, 0.04),
    0 6px 16px rgba(31, 27, 48, 0.08),
    0 24px 48px rgba(31, 27, 48, 0.06);
  --dl-tile-shadow-hover:
    0 1px 2px rgba(31, 27, 48, 0.05),
    0 10px 24px rgba(31, 27, 48, 0.12),
    0 32px 64px rgba(31, 27, 48, 0.10);

  --dl-radius-sm: 14px;
  --dl-radius-md: 22px;
  --dl-radius-lg: 32px;

  --dl-font-display: 'Inter Tight', 'Inter', system-ui, -apple-system, sans-serif;
  --dl-font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --dl-font-serif: 'Fraunces', 'Iowan Old Style', Georgia, serif;
}

/* ----- Page-level wash -----
   Same gradient family as the SQL course homepage, but here we apply it
   to the whole <body> since the DatosLab site pages don't have a fixed
   sidebar to work around. */
body.site-redesign {
  background:
    radial-gradient(1100px 700px at 85% 0%, rgba(248, 226, 210, 0.85), transparent 60%),
    radial-gradient(1200px 800px at 10% 18%, rgba(224, 218, 245, 0.65), transparent 65%),
    radial-gradient(1000px 800px at 70% 45%, rgba(210, 233, 234, 0.75), transparent 60%),
    radial-gradient(900px 700px at 25% 78%, rgba(232, 215, 240, 0.55), transparent 65%),
    linear-gradient(180deg, #FBF5ED 0%, #ECE5F2 35%, #DDE9EB 70%, #ECE3F1 100%);
  background-repeat: no-repeat;
  background-size: 100% 100%;
  min-height: 100vh;
  font-family: var(--dl-font-body);
  color: var(--dl-text);
}

/* ----- Top nav ----- */
body.site-redesign .topnav {
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(31, 27, 48, 0.06);
}

body.site-redesign .topnav .brand-word {
  font-family: var(--dl-font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--dl-text);
}

body.site-redesign .topnav .brand-kicker {
  font-family: var(--dl-font-body);
  color: var(--dl-text-muted);
}

body.site-redesign .nav-links a {
  font-family: var(--dl-font-display);
  font-weight: 500;
  color: var(--dl-text);
}

body.site-redesign .nav-links a:hover {
  color: var(--dl-accent-deep);
}

body.site-redesign .nav-links a.is-active {
  color: var(--dl-accent-deep);
  font-weight: 600;
}

/* ----- Headings & general text ----- */
body.site-redesign h1,
body.site-redesign h2,
body.site-redesign h3,
body.site-redesign h4 {
  font-family: var(--dl-font-serif);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--dl-text);
}

body.site-redesign h1 em,
body.site-redesign h2 em,
body.site-redesign h3 em {
  font-style: italic;
  color: var(--dl-accent);
}

body.site-redesign .eyebrow {
  font-family: var(--dl-font-display);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dl-accent-deep);
  font-size: 0.78rem;
}

body.site-redesign .muted {
  color: var(--dl-text-muted);
}

/* ----- Buttons ----- */
body.site-redesign .btn {
  font-family: var(--dl-font-display);
  border-radius: 999px;
  font-weight: 600;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

body.site-redesign .btn-primary,
body.site-redesign a.btn-primary,
body.site-redesign .nav-links a.btn-primary {
  background: var(--dl-text);
  color: #FFFFFF;
  border: none;
  box-shadow: 0 6px 18px rgba(31, 27, 48, 0.18);
}

body.site-redesign .btn-primary:hover,
body.site-redesign a.btn-primary:hover,
body.site-redesign .nav-links a.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(31, 27, 48, 0.22);
  background: var(--dl-text);
  color: #FFFFFF;
}

/* Secondary button on anchors inside the nav (e.g., the dashboard
   'Continue learning' link) needs to win specificity over
   body.site-redesign .nav-links a too. */
body.site-redesign a.btn-secondary,
body.site-redesign .nav-links a.btn-secondary {
  background: rgba(255, 255, 255, 0.7);
  color: var(--dl-text);
  border: 1px solid rgba(31, 27, 48, 0.10);
}

body.site-redesign .btn-secondary {
  background: rgba(255, 255, 255, 0.7);
  color: var(--dl-text);
  border: 1px solid rgba(31, 27, 48, 0.10);
}

body.site-redesign .btn-secondary:hover {
  background: #FFFFFF;
  transform: translateY(-1px);
}

body.site-redesign .btn-ghost {
  color: var(--dl-accent-deep);
  background: transparent;
  border: 1px solid transparent;
  font-weight: 600;
}

body.site-redesign .btn-ghost:hover {
  background: var(--dl-accent-soft);
  color: var(--dl-accent-deep);
}

/* ----- HERO (front page) -----
   base.css ships a dark brown gradient hero. We replace its background
   entirely (the page-level gradient shows through) and recolor the text
   from light-on-dark to dark-on-light. */
body.site-redesign .hero {
  background: transparent !important;
  color: var(--dl-text) !important;
  padding: 5rem 0 4rem;
  position: relative;
  overflow: hidden;
}

/* Override base.css's hero::after (the decorative pale border ring) and
   re-use the ::after slot for our own peach blob */
body.site-redesign .hero::after {
  content: "";
  position: absolute;
  inset: auto;
  border: none;
  border-radius: 999px;
  filter: blur(60px);
  width: 460px;
  height: 460px;
  background: rgba(123, 107, 191, 0.22);
  bottom: -160px;
  left: -100px;
  transform: none;
  pointer-events: none;
  z-index: 0;
}

body.site-redesign .hero::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  background: rgba(232, 148, 106, 0.32);
  top: -80px;
  right: -120px;
  border-radius: 999px;
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

body.site-redesign .hero .container {
  position: relative;
  z-index: 1;
}

body.site-redesign .hero h1 {
  font-family: var(--dl-font-serif);
  font-weight: 500;
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  max-width: 18ch;
  color: var(--dl-text) !important;
  margin-top: 1.25rem;
}

body.site-redesign .hero .sub {
  font-size: 1.15rem;
  line-height: 1.55;
  color: var(--dl-text-muted) !important;
  max-width: 56ch;
  margin-top: 1.25rem;
}

body.site-redesign .hero .eyebrow {
  color: var(--dl-accent-deep) !important;
  background: rgba(255, 255, 255, 0.7);
  display: inline-block;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(123, 107, 191, 0.18);
  box-shadow: 0 1px 2px rgba(31, 27, 48, 0.04);
}

body.site-redesign .hero .cta-row {
  margin-top: 2rem;
}

/* Re-target the "on dark" secondary button base.css ships in .hero */
body.site-redesign .hero .btn-secondary {
  color: var(--dl-text) !important;
  border: 1px solid rgba(31, 27, 48, 0.10) !important;
  background: rgba(255, 255, 255, 0.7) !important;
}

body.site-redesign .hero .btn-secondary:hover {
  background: #FFFFFF !important;
  border-color: rgba(31, 27, 48, 0.15) !important;
}

/* ----- Sections ----- */
body.site-redesign .section {
  padding: 4rem 0;
  background: transparent !important;  /* base.css alternates a surface gray on every other section : drop it */
  border-top: none !important;
  border-bottom: none !important;
}

body.site-redesign .section-tight {
  padding: 3rem 0 2rem;
  background: transparent !important;
  border-bottom: none !important;
}

body.site-redesign .section h2,
body.site-redesign .section-tight h2 {
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  line-height: 1.15;
  margin-top: 0.5rem;
}

/* ----- Cards (the floating tiles) -----
   base.css's .card is the foundation. We override background, border,
   shadow, radius to get the floating-glass look. */
body.site-redesign .card {
  background: var(--dl-tile-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--dl-tile-border);
  border-radius: var(--dl-radius-md);
  box-shadow: var(--dl-tile-shadow);
  position: relative;
  overflow: hidden;
}

body.site-redesign .card-interactive {
  text-decoration: none;
  color: var(--dl-text);
  display: flex;
  flex-direction: column;
  transition: transform 220ms ease, box-shadow 220ms ease;
}

body.site-redesign .card-interactive:hover {
  transform: translateY(-4px) rotate(-0.25deg);
  box-shadow: var(--dl-tile-shadow-hover);
  text-decoration: none;
}

body.site-redesign .card h3 {
  font-family: var(--dl-font-serif);
  font-weight: 500;
  font-size: 1.45rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

body.site-redesign .card-interactive::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 90px;
  height: 90px;
  background: radial-gradient(90px 90px at 100% 0%, rgba(123, 107, 191, 0.22), transparent 70%);
  pointer-events: none;
}

/* Rotate the corner blob colors across cards in a grid */
body.site-redesign .grid > .card-interactive:nth-child(2)::before {
  background: radial-gradient(90px 90px at 100% 0%, rgba(232, 148, 106, 0.22), transparent 70%);
}

body.site-redesign .grid > .card-interactive:nth-child(3)::before {
  background: radial-gradient(90px 90px at 100% 0%, rgba(1, 105, 111, 0.18), transparent 70%);
}

body.site-redesign .grid > .card-interactive:nth-child(4)::before {
  background: radial-gradient(90px 90px at 100% 0%, rgba(232, 148, 106, 0.18), transparent 70%);
}

body.site-redesign .grid > .card-interactive:nth-child(5)::before {
  background: radial-gradient(90px 90px at 100% 0%, rgba(123, 107, 191, 0.20), transparent 70%);
}

body.site-redesign .grid > .card-interactive:nth-child(6)::before {
  background: radial-gradient(90px 90px at 100% 0%, rgba(1, 105, 111, 0.20), transparent 70%);
}

/* Non-interactive testimonial cards (figure.card) get a subtle top accent */
body.site-redesign figure.card {
  display: flex;
  flex-direction: column;
}

body.site-redesign figure.card blockquote {
  font-family: var(--dl-font-serif);
  font-weight: 400;
  font-style: italic;
  font-size: 1.15rem !important;
  line-height: 1.5 !important;
  color: var(--dl-text);
  border-left: 3px solid var(--dl-coral);
  padding-left: 1rem;
  margin: 0;
}

body.site-redesign figure.card figcaption {
  font-family: var(--dl-font-display);
  font-weight: 500;
  color: var(--dl-text-muted);
  margin-top: 1rem;
  font-size: 0.85rem;
}

/* ----- Pills (subject, duration, free) ----- */
body.site-redesign .pill {
  font-family: var(--dl-font-display);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  border-radius: 999px;
  padding: 0.25rem 0.65rem;
  text-transform: uppercase;
  border: none;
}

body.site-redesign .pill-subject-data-analysis {
  background: rgba(123, 107, 191, 0.14);
  color: var(--dl-accent-deep);
}

body.site-redesign .pill-subject-data-visualization {
  background: rgba(232, 148, 106, 0.18);
  color: #8B4513;
}

body.site-redesign .pill-subject-data-engineering {
  background: rgba(1, 105, 111, 0.14);
  color: var(--dl-teal-deep);
}

body.site-redesign .pill-duration {
  background: rgba(31, 27, 48, 0.06);
  color: var(--dl-text);
}

body.site-redesign .pill-free {
  background: rgba(67, 122, 34, 0.14);
  color: #437A22;
}

/* ----- "See courses →" / "View course →" link inside a card ----- */
body.site-redesign .card p[style*="color:var(--color-primary)"],
body.site-redesign .card span[style*="color:var(--color-primary)"] {
  color: var(--dl-accent-deep) !important;
}

/* ----- Bottom CTA on front page ----- */
body.site-redesign .section > .container > .card[style*="display:flex"] {
  background: linear-gradient(135deg, rgba(255, 251, 246, 0.9), rgba(248, 226, 210, 0.65));
  border: 1px solid rgba(232, 148, 106, 0.25);
}

body.site-redesign .section > .container > .card[style*="display:flex"] h2 {
  font-family: var(--dl-font-serif);
}

/* ----- Footer (rendered by shell.js with .site-footer class : let's match) ----- */
body.site-redesign footer,
body.site-redesign .site-footer {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(31, 27, 48, 0.06);
}

/* ----- Courses index filter bar ----- */
body.site-redesign .card[style*="display:flex"][style*="flex-wrap:wrap"][style*="align-items:flex-end"] {
  background: var(--dl-tile-bg);
  backdrop-filter: blur(20px);
}

body.site-redesign label {
  font-family: var(--dl-font-display);
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--dl-text);
  letter-spacing: 0.04em;
}

body.site-redesign .select,
body.site-redesign select {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(31, 27, 48, 0.10);
  border-radius: var(--dl-radius-sm);
  font-family: var(--dl-font-body);
  color: var(--dl-text);
}

body.site-redesign .select:focus,
body.site-redesign select:focus {
  border-color: var(--dl-accent);
  outline: 2px solid var(--dl-accent-soft);
  outline-offset: 0;
}

/* Empty state */
body.site-redesign .empty-state {
  background: var(--dl-tile-bg);
  backdrop-filter: blur(20px);
  border: 1px dashed rgba(31, 27, 48, 0.12);
  border-radius: var(--dl-radius-md);
  padding: 2rem;
  text-align: center;
}

body.site-redesign .empty-state h4 {
  font-family: var(--dl-font-serif);
  color: var(--dl-text);
}

/* ----- Courses index header strip (was gray-bg) ----- */
body.site-redesign .section-tight[style*="background:var(--color-surface)"],
body.site-redesign .section-tight {
  border-bottom: 1px solid rgba(31, 27, 48, 0.06) !important;
}

body.site-redesign .section-tight h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  margin-top: 0.5rem;
}

/* ----- Responsive ----- */
@media (max-width: 900px) {
  body.site-redesign .hero {
    padding: 3.5rem 0 2.5rem;
  }
  body.site-redesign .section {
    padding: 3rem 0;
  }
}

@media (max-width: 600px) {
  body.site-redesign .hero {
    padding: 2.5rem 0 2rem;
  }
  body.site-redesign .card-interactive:hover {
    transform: translateY(-2px);
  }
  body.site-redesign .section {
    padding: 2.25rem 0;
  }
}

/* ============================================================
   Rollout phase 2 (PR following #21):
   Extend site-redesign to course detail pages, paths, dashboard,
   account, login. Keeps the same gradient + glass tile + Fraunces
   serif + lavender italic accent system established for the
   homepage and courses catalog.
   ============================================================ */

/* ----- Forms (login, account) ----------------------------- */
body.site-redesign .field {
  margin-bottom: var(--space-4);
}
body.site-redesign label {
  font-family: var(--dl-font-display);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--dl-text);
  margin-bottom: 6px;
  display: block;
}
body.site-redesign .input,
body.site-redesign input[type="text"],
body.site-redesign input[type="email"],
body.site-redesign input[type="password"],
body.site-redesign input[type="search"],
body.site-redesign textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(31, 27, 48, 0.14);
  border-radius: 12px;
  padding: 12px 14px;
  font-family: var(--dl-font-body);
  font-size: 15px;
  color: var(--dl-text);
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}
body.site-redesign .input:focus,
body.site-redesign input:focus,
body.site-redesign textarea:focus {
  outline: none;
  border-color: var(--dl-accent);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(123, 107, 191, 0.16);
}
body.site-redesign .help {
  font-size: 12px;
  color: var(--dl-text-muted);
  margin-top: 6px;
}

/* ----- Course detail page (sidebar + syllabus) ------------ */
body.site-redesign .enrollment-card {
  position: sticky;
  top: calc(var(--header-h, 64px) + var(--space-4));
}
body.site-redesign .enrollment-card .card {
  /* base.css .card is already restyled by .card rule above : reinforce */
  background: var(--dl-tile-bg);
  border: 1px solid var(--dl-tile-border);
  box-shadow: var(--dl-tile-shadow);
  border-radius: var(--dl-radius-md);
  padding: 28px 26px;
  position: relative;
  overflow: hidden;
}
body.site-redesign .enrollment-card .card::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--dl-bg-peach), transparent 70%);
  opacity: 0.85;
  pointer-events: none;
}
body.site-redesign .enrollment-card > .card > * {
  position: relative;
}
body.site-redesign [data-course-price] {
  font-family: var(--dl-font-serif);
  font-size: 36px;
  font-weight: 500;
  color: var(--dl-text);
  letter-spacing: -0.01em;
}

body.site-redesign .module-num {
  background: var(--dl-accent-soft);
  border-color: rgba(123, 107, 191, 0.28);
  color: var(--dl-accent-deep);
  font-family: var(--dl-font-display);
}
body.site-redesign .accordion-item {
  background: var(--dl-tile-bg);
  border: 1px solid var(--dl-tile-border);
  border-radius: var(--dl-radius-sm);
  box-shadow: 0 1px 2px rgba(31, 27, 48, 0.04), 0 6px 18px -14px rgba(31, 27, 48, 0.12);
  margin-bottom: var(--space-3);
  overflow: hidden;
}
body.site-redesign .accordion-summary {
  padding: var(--space-4) var(--space-5);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--dl-font-body);
  color: var(--dl-text);
}
body.site-redesign .accordion-summary::-webkit-details-marker { display: none; }
body.site-redesign .accordion-summary strong {
  font-family: var(--dl-font-serif);
  font-weight: 500;
  font-size: 17px;
  letter-spacing: -0.005em;
}
body.site-redesign .accordion-content {
  padding: 0 var(--space-5) var(--space-4);
  border-top: 1px solid rgba(31, 27, 48, 0.06);
}
body.site-redesign .lesson-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px 4px;
  border-bottom: 1px dashed rgba(31, 27, 48, 0.06);
  font-size: 14px;
}
body.site-redesign .lesson-row:last-child { border-bottom: 0; }
body.site-redesign .lesson-row .idx {
  color: var(--dl-accent-deep);
  font-family: var(--dl-font-display);
  font-weight: 600;
  min-width: 22px;
}
body.site-redesign .lesson-row .title {
  flex: 1;
  color: var(--dl-text);
}
body.site-redesign .lesson-row .meta {
  font-size: 12px;
  color: var(--dl-text-muted);
  font-family: var(--dl-font-display);
  letter-spacing: 0.02em;
}
body.site-redesign .what-list li {
  padding: 8px 0 8px 30px;
  position: relative;
  font-size: 15px;
  line-height: 1.55;
  color: var(--dl-text);
}
body.site-redesign .what-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 18px;
  height: 2px;
  background: var(--dl-accent);
  border-radius: 1px;
}
body.site-redesign hr.divider {
  border: 0;
  border-top: 1px solid rgba(31, 27, 48, 0.10);
  margin: var(--space-7) 0;
}

/* ----- Progress bars (dashboard, path detail) ------------- */
body.site-redesign .progress {
  height: 8px;
  background: rgba(123, 107, 191, 0.14);
  border-radius: 999px;
  overflow: hidden;
}
body.site-redesign .progress > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--dl-accent), var(--dl-coral));
  border-radius: 999px;
}

/* ----- Pills (status + new utility tones) ----------------- */
body.site-redesign .pill-status-pending {
  background: rgba(232, 148, 106, 0.16);
  color: #8B4A26;
  border: 1px solid rgba(232, 148, 106, 0.35);
}
body.site-redesign .pill-status-under-review {
  background: rgba(123, 107, 191, 0.14);
  color: var(--dl-accent-deep);
  border: 1px solid rgba(123, 107, 191, 0.28);
}
body.site-redesign .pill-status-approved {
  background: rgba(1, 105, 111, 0.12);
  color: #064F55;
  border: 1px solid rgba(1, 105, 111, 0.24);
}
body.site-redesign .pill-status-needs-revision {
  background: #F5E2EE;
  color: #7C2B5B;
  border: 1px solid #DBB5CE;
}
body.site-redesign .pill.pill-coming-soon {
  background: rgba(232, 148, 106, 0.16);
  color: #8B4A26;
  border: 1px solid rgba(232, 148, 106, 0.35);
}

/* ----- Dashboard: skill map / badges / milestones --------- */
body.site-redesign .skill-map {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
body.site-redesign .skill-node {
  background: var(--dl-tile-bg);
  border: 1px solid var(--dl-tile-border);
  border-radius: var(--dl-radius-md);
  box-shadow: var(--dl-tile-shadow);
  padding: var(--space-5);
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  position: relative;
  overflow: hidden;
  transition: transform 200ms ease, box-shadow 200ms ease;
}
body.site-redesign .skill-node:hover {
  transform: translateY(-3px);
  box-shadow: var(--dl-tile-shadow-hover, var(--dl-tile-shadow));
}
body.site-redesign .skill-node-orb {
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--dl-font-display);
  font-weight: 700;
  font-size: 14px;
  background: var(--dl-accent-soft);
  color: var(--dl-accent-deep);
}
body.site-redesign .skill-node-complete .skill-node-orb {
  background: rgba(1, 105, 111, 0.15);
  color: var(--dl-teal-deep);
}
body.site-redesign .skill-node-active .skill-node-orb {
  background: rgba(232, 148, 106, 0.20);
  color: #8B4A26;
}
body.site-redesign .skill-node h3 {
  font-family: var(--dl-font-serif);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.005em;
  color: var(--dl-text);
}

body.site-redesign .badge-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
body.site-redesign .badge-card {
  background: var(--dl-tile-bg);
  border: 1px solid var(--dl-tile-border);
  border-radius: var(--dl-radius-md);
  box-shadow: var(--dl-tile-shadow);
  padding: var(--space-5);
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  position: relative;
}
body.site-redesign .badge-card.is-locked {
  opacity: 0.72;
}
body.site-redesign .badge-medal {
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--dl-font-display);
  font-weight: 700;
  background: var(--dl-coral-soft);
  color: #8B4A26;
}
body.site-redesign .badge-card.is-earned .badge-medal {
  background: rgba(1, 105, 111, 0.15);
  color: var(--dl-teal-deep);
}

body.site-redesign .milestone-track {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
body.site-redesign .milestone {
  background: var(--dl-tile-bg);
  border: 1px solid var(--dl-tile-border);
  border-radius: var(--dl-radius-sm);
  padding: var(--space-4) var(--space-5);
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  position: relative;
}
body.site-redesign .milestone-marker {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--dl-font-display);
  font-weight: 700;
  font-size: 13px;
  background: var(--dl-accent-soft);
  color: var(--dl-accent-deep);
}
body.site-redesign .milestone-complete .milestone-marker {
  background: rgba(1, 105, 111, 0.15);
  color: var(--dl-teal-deep);
}
body.site-redesign .milestone-active .milestone-marker {
  background: rgba(232, 148, 106, 0.20);
  color: #8B4A26;
}

/* ----- Data tables (dashboard submissions) ---------------- */
body.site-redesign .data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--dl-font-body);
}
body.site-redesign .data-table th {
  text-align: left;
  font-family: var(--dl-font-display);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dl-text-muted);
  padding: 12px 14px;
  border-bottom: 1px solid rgba(31, 27, 48, 0.08);
}
body.site-redesign .data-table td {
  padding: 14px;
  font-size: 14px;
  color: var(--dl-text);
  border-bottom: 1px solid rgba(31, 27, 48, 0.06);
}
body.site-redesign .data-table tr:last-child td { border-bottom: 0; }

/* ----- Section h2 should feel like display copy ----------- */
body.site-redesign .section > .container > h1,
body.site-redesign .section > .container > h2,
body.site-redesign .section-tight > .container > h1 {
  font-family: var(--dl-font-serif);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--dl-text);
}

/* ----- Mock prototype banner ------------------------------ */
body.site-redesign .mock-banner {
  background: rgba(248, 226, 210, 0.65);
  color: var(--dl-text);
  border-bottom: 1px solid rgba(232, 148, 106, 0.28);
  font-family: var(--dl-font-display);
  font-size: 12px;
  letter-spacing: 0.02em;
}
body.site-redesign .mock-banner a {
  color: var(--dl-accent-deep);
  text-decoration: underline;
}

/* ===========================================================
   Calmer treatment for the lesson player (/learn/).
   The player is fixed-height and content-dense : we use mostly
   white surfaces with a single peach corner glow, just like the
   SQL course lesson pages do at the course level.
   =========================================================== */
body.learn-redesign {
  background:
    radial-gradient(circle at 100% 0%, rgba(248, 226, 210, 0.55), transparent 45%),
    radial-gradient(circle at 0% 100%, rgba(224, 218, 245, 0.40), transparent 50%),
    #FFFFFF;
}
body.learn-redesign .player {
  background: transparent;
}
body.learn-redesign .player-top {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(31, 27, 48, 0.08);
  font-family: var(--dl-font-display);
}
body.learn-redesign .player-top .crumb { color: var(--dl-text-muted); }
body.learn-redesign .player-top .crumb strong {
  color: var(--dl-text);
  font-family: var(--dl-font-serif);
  font-weight: 500;
}
body.learn-redesign .player-side {
  background: rgba(255, 255, 255, 0.78);
  border-right: 1px solid rgba(31, 27, 48, 0.08);
  backdrop-filter: blur(8px);
}
body.learn-redesign .player-side h4 {
  font-family: var(--dl-font-display);
  color: var(--dl-text-muted);
  letter-spacing: 0.08em;
}
body.learn-redesign .player-side .lesson-link {
  color: var(--dl-text);
  border-radius: 10px;
}
body.learn-redesign .player-side .lesson-link:hover {
  background: var(--dl-accent-soft);
}
body.learn-redesign .player-side .lesson-link.is-active {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(123, 107, 191, 0.22);
  box-shadow: 0 1px 2px rgba(31, 27, 48, 0.04), 0 6px 14px -10px rgba(123, 107, 191, 0.30);
}
body.learn-redesign .player-side .check.done {
  background: var(--dl-accent);
  border-color: var(--dl-accent);
}
body.learn-redesign .slide {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(31, 27, 48, 0.08);
  border-radius: var(--dl-radius-md);
  box-shadow: var(--dl-tile-shadow);
}
body.learn-redesign .slide h1,
body.learn-redesign .slide h2,
body.learn-redesign .slide h3 {
  font-family: var(--dl-font-serif);
  font-weight: 500;
  color: var(--dl-text);
}
body.learn-redesign .slide h1 em,
body.learn-redesign .slide h2 em,
body.learn-redesign .slide h3 em {
  font-style: italic;
  color: var(--dl-accent);
}
body.learn-redesign .player-bottom {
  background: rgba(255, 255, 255, 0.88);
  border-top: 1px solid rgba(31, 27, 48, 0.08);
  backdrop-filter: blur(8px);
  font-family: var(--dl-font-display);
}


/* ---- Path detail responsive collapse ----
   The path detail template uses an inline `grid-template-columns: 2fr 1fr`
   without a media query. On mobile the sidebar gets clipped. This
   forces it to stack under the redesign. */
@media (max-width: 820px) {
  body.site-redesign .section .container > .grid[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }
  body.site-redesign .enrollment-card {
    position: static;
  }
}
