:root {
  --bg: #eef0f2; --sidebar-bg: #f4f5f6; --card-bg: #ffffff; --border: #d7dbdd;
  --text: #20242a; --muted: #5b6470; --accent: #daa425; --track-bg: #d7dbdd;
  --row-active-bg: #e6ebee; --muted-badge: #dfe3e6; --done-title: #8b939c;
  --pill-bg: #faf1d9; --pill-text: #8a6a12; --flagship-bg: #fbf3dc;
}
[data-theme="dark"] {
  --bg: #14181c; --sidebar-bg: #191d22; --card-bg: #1f2429; --border: #2d3339;
  --text: #e7eaec; --muted: #8b939c; --accent: #daa425; --track-bg: #2d3339;
  --row-active-bg: #262b31; --muted-badge: #2d3339; --done-title: #6b7178;
  --pill-bg: #332c16; --pill-text: #f0c352; --flagship-bg: #2b2511;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: Georgia, 'Times New Roman', serif;
  background: var(--bg); color: var(--text);
}
a { text-decoration: none; color: inherit; }
textarea { font-family: Georgia, serif; }
.theme-toggle {
  width: 32px; height: 32px; flex-shrink: 0;
  border-radius: 50%; border: 1px solid var(--border); background: var(--card-bg);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
}
.theme-toggle svg { stroke: var(--text); fill: var(--text); }
.theme-toggle #icon-sun { display: none; }
.theme-toggle #icon-moon { display: block; }
[data-theme="dark"] .theme-toggle #icon-sun { display: block; }
[data-theme="dark"] .theme-toggle #icon-moon { display: none; }
.pill { display: inline-block; padding: 6px 14px; border-radius: 18px; background: var(--pill-bg); color: var(--pill-text); font-size: 13px; font-weight: bold; }

/* --- Added for full 54-course curriculum: additive only, no existing rules changed --- */
.badge-core, .badge-bonus {
  display: inline-block; font-size: 10px; font-weight: bold; letter-spacing: 0.08em;
  text-transform: uppercase; padding: 3px 8px; border-radius: 10px; margin-left: 8px;
  vertical-align: middle;
}
.badge-core { background: var(--muted-badge); color: var(--muted); }
.badge-bonus { background: var(--pill-bg, var(--muted-badge)); color: var(--accent); }

.callout-box {
  border: 1px solid var(--border); border-radius: 10px; padding: 18px 20px;
  background: var(--card-bg); margin-bottom: 4px;
}
.callout-label {
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  font-weight: bold; color: var(--muted); margin-bottom: 8px;
}
.callout-box.watch-for .callout-label { color: var(--accent); }

.correction-callout {
  border: 1px solid var(--accent); border-left: 4px solid var(--accent);
  border-radius: 10px; padding: 16px 20px; background: var(--card-bg);
  margin-bottom: 16px;
}
.correction-callout .callout-label { color: var(--accent); }

.category-chip {
  display: inline-block; padding: 6px 14px; border-radius: 16px; font-size: 13px;
  border: 1px solid var(--border); background: var(--card-bg); color: var(--text);
  cursor: pointer; margin: 0 8px 8px 0; user-select: none;
}
.category-chip.active { background: var(--accent); color: #20242a; border-color: var(--accent); }

.sidebar-overview-row {
  font-weight: bold;
}

/* --- Learning paths: additive only --- */
.path-bar { height: 5px; width: 100%; border-radius: 5px; background: var(--track-bg); overflow: hidden; margin: 10px 0 2px 0; }
.path-bar > div { height: 5px; background: var(--accent); }
.path-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.path-grid.large { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.path-card {
  position: relative; display: flex; flex-direction: column; gap: 6px; padding: 18px; border-radius: 12px;
  border: 1px solid var(--border); background: var(--card-bg); transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.path-card:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,0.18); }
.path-card.large { padding: 24px; border-color: var(--accent); }
.path-card-level { font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); font-weight: bold; }
.path-card-name { font-size: 17px; font-weight: bold; line-height: 1.3; }
.path-card.large .path-card-name { font-size: 21px; }
.path-card-promise { font-size: 13px; color: var(--muted); line-height: 1.5; flex-grow: 1; }
.path-card-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.path-card-meta { font-size: 12px; color: var(--muted); }
.follow-btn, .save-btn {
  font-family: Georgia, serif; font-size: 12.5px; font-weight: bold; padding: 6px 12px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--accent); background: transparent; color: var(--accent); white-space: nowrap;
}
.follow-btn.on, .save-btn.on { background: var(--accent); color: #20242a; }
.save-btn.small { font-size: 11px; padding: 3px 9px; }
.role-badge { display: inline-block; font-size: 10px; font-weight: bold; letter-spacing: 0.06em; text-transform: uppercase; padding: 3px 8px; border-radius: 10px; background: var(--muted-badge); color: var(--muted); }
.role-badge.start { background: var(--pill-bg); color: var(--pill-text); }
.section-label { font-size: 19px; font-weight: bold; margin: 0 0 6px 0; }
.section-sub { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.link-btn { background: none; border: none; padding: 0; font-family: Georgia, serif; font-size: 13px; color: var(--accent); cursor: pointer; }
.group-label { margin: 48px 0 4px 0; padding-top: 16px; border-top: 1px solid var(--border); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); font-weight: bold; }
.group-label.first { margin-top: 8px; border-top: none; padding-top: 0; }
.path-card-strip { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 2px; height: 72px; margin: -18px -18px 12px -18px; border-radius: 11px 11px 0 0; overflow: hidden; background: #14181c; }
.path-card.large .path-card-strip { height: 96px; margin: -24px -24px 14px -24px; }
/* YouTube stills are 4:3 with black bands above and below the 16:9 picture.
   Scaling the height to 134% pushes the bands out of these narrow tiles. */
.path-card-strip > div { background: #14181c center / auto 134% no-repeat; }
.finder-entry { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 24px; padding: 18px 20px; border-radius: 12px; border: 1px dashed var(--accent); background: var(--card-bg); }
.finder-entry-title { font-size: 17px; font-weight: bold; }
.finder-entry-sub { font-size: 13px; color: var(--muted); margin-top: 3px; }
.finder-panel { max-width: 640px; }
.finder-step { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); font-weight: bold; }
.finder-close { background: none; border: none; font-size: 24px; line-height: 1; color: var(--muted); cursor: pointer; padding: 0 4px; }
.finder-q { margin: 8px 0 14px 0; font-size: 22px; line-height: 1.3; }
.finder-opts { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; }
.finder-opt { font-family: Georgia, serif; font-size: 14.5px; text-align: left; line-height: 1.3; padding: 10px 14px; border-radius: 10px; cursor: pointer; border: 1px solid var(--border); background: var(--bg); color: var(--text); transition: border-color 0.12s ease, transform 0.12s ease; }
.finder-opt:hover, .finder-opt:focus-visible { border-color: var(--accent); transform: translateY(-1px); outline: none; }
.finder-opt.on { border-color: var(--accent); background: var(--pill-bg); }
.finder-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 18px; }
.finder-why { font-size: 16px; font-style: italic; line-height: 1.5; margin: 10px 0 16px 0; }
.finder-also { font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: bold; margin: 22px 0 10px 0; }
@media (max-width: 480px) {
  .finder-opts { grid-template-columns: 1fr 1fr; gap: 8px; }
  .finder-opt { font-size: 13.5px; padding: 9px 11px; }
  .finder-q { font-size: 19px; }
}
.finder-course { display: flex; flex-direction: column; gap: 10px; max-width: 300px; }
.finder-course .course-card { min-height: 0; }
.finder-course-cta .unlock-btn { display: block; text-align: center; }
.finder-note { font-size: 13px; color: var(--muted); margin: -4px 0 10px 0; }