/* =========================================================================
   dexwatch — Academy (learning journey) styles: hub + lesson pages
   ========================================================================= */

/* ---------------- shared ---------------- */
.ac-kicker { font-family: var(--font-mono); font-size: 12px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: color-mix(in oklch, var(--accent) 70%, var(--ink)); }

/* ======================================================= HUB ======= */
.ac-main { padding: 36px 0 40px; max-width: 1040px; }
.ac-hero { margin-bottom: 30px; }
.ac-title { font-size: clamp(30px, 4.4vw, 50px); letter-spacing: -0.03em; line-height: 1.02; margin: 12px 0 16px; }
.ac-lead { font-size: clamp(15px, 1.7vw, 18.5px); color: var(--ink-2); line-height: 1.55; max-width: 60ch; }

.ac-herobar { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; margin-top: 26px; }
.ac-start { height: 50px; font-size: 15.5px; font-weight: 700; padding: 0 26px; }
.ac-progwrap { flex: 1 1 260px; min-width: 220px; }
.ac-prog-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 7px; }
.ac-prog-label { font-size: 13px; font-weight: 600; color: var(--ink-2); }
.ac-prog-pct { font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-3); }
.ac-prog-track { height: 9px; border-radius: 5px; background: var(--bg-sunken); overflow: hidden; }
.ac-prog-fill { height: 100%; border-radius: 5px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); width: 0%; transition: width .5s cubic-bezier(.2,.7,.2,1); }

/* module block */
.ac-module { margin-top: 40px; scroll-margin-top: 84px; }
.ac-mod-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 6px; }
.ac-mod-num { font-family: var(--font-mono); font-size: 13px; font-weight: 600; color: var(--accent); letter-spacing: .04em; }
.ac-mod-title { font-size: clamp(19px, 2.2vw, 24px); letter-spacing: -0.01em; }
.ac-mod-count { margin-left: auto; font-family: var(--font-mono); font-size: 12px; color: var(--ink-faint); white-space: nowrap; }
.ac-mod-blurb { font-size: 14.5px; color: var(--ink-3); line-height: 1.5; max-width: 70ch; margin-bottom: 16px; }
.ac-module.is-soon { opacity: .72; }

.ac-lessons { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (max-width: 720px){ .ac-lessons { grid-template-columns: 1fr; } }

.ac-lesson {
  display: flex; align-items: flex-start; gap: 14px; padding: 15px 16px;
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--r-md);
  transition: border-color .15s, box-shadow .15s, transform .12s; position: relative;
}
a.ac-lesson:hover { border-color: var(--line-strong); box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.ac-lesson.is-soon { background: var(--bg); border-style: dashed; cursor: default; }
.ac-check {
  flex: none; width: 26px; height: 26px; border-radius: 50%; margin-top: 1px;
  border: 1.5px solid var(--line-strong); display: grid; place-items: center;
  font-size: 13px; color: var(--ink-faint); font-family: var(--font-mono);
}
.ac-lesson.done .ac-check { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.ac-lesson.done .ac-check::before { content: "✓"; }
.ac-lesson:not(.done) .ac-check::before { content: attr(data-n); font-size: 12px; }
.ac-l-body { min-width: 0; flex: 1 1 auto; }
.ac-l-title { font-weight: 700; font-size: 15px; letter-spacing: -0.01em; color: var(--ink); display: flex; align-items: center; gap: 8px; }
.ac-l-blurb { font-size: 13px; color: var(--ink-3); line-height: 1.45; margin-top: 3px; text-wrap: pretty; }
.ac-l-meta { display: flex; align-items: center; gap: 8px; margin-top: 8px; font-family: var(--font-mono); font-size: 11px; color: var(--ink-faint); }
.ac-l-meta .dot { opacity: .5; }
.ac-soontag { font-family: var(--font-mono); font-size: 10px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-faint); border: 1px solid var(--line); border-radius: var(--r-pill); padding: 2px 8px; }
.ac-level { text-transform: uppercase; letter-spacing: .05em; }

/* hub closing strip */
.ac-faq-link { margin-top: 44px; display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; padding: 22px 26px; border-radius: var(--r-lg); background: var(--accent-wash); border: 1px solid var(--accent-line); }
.ac-faq-link h3 { font-size: 18px; }
.ac-faq-link p { font-size: 14px; color: var(--ink-2); margin-top: 3px; }

/* =================================================== LESSON PAGE ==== */
.lesson-main { padding: 28px 0 48px; }
.lesson-wrap { width: min(760px, 100% - 48px); margin-inline: auto; }
@media (max-width: 640px){ .lesson-wrap { width: min(760px, 100% - 32px); } }

.lesson-crumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-3); margin-bottom: 20px; flex-wrap: wrap; }
.lesson-crumb a:hover { color: var(--accent); }
.lesson-crumb .sep { color: var(--ink-faint); }
.lesson-crumb .cur { color: var(--ink-2); font-weight: 600; }

.lesson-kicker { font-family: var(--font-mono); font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: color-mix(in oklch, var(--accent) 68%, var(--ink)); }
.lesson-title { font-size: clamp(27px, 3.6vw, 40px); letter-spacing: -0.03em; line-height: 1.06; margin: 12px 0 16px; }
.lesson-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.lesson-meta .pill { display: inline-flex; align-items: center; gap: 6px; background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--r-pill); padding: 4px 11px; }
.lesson-meta .lvl-beginner { color: var(--up); }
.lesson-meta .lvl-intermediate { color: var(--accent); }
.lesson-meta .lvl-advanced { color: var(--warn); }

/* prose */
.lesson-body { margin-top: 26px; font-size: 16.5px; line-height: 1.72; color: var(--ink); }
.lesson-body > p { margin: 0 0 18px; color: var(--ink-2); }
.lesson-body > p:first-child { font-size: 18px; color: var(--ink); }
.lesson-body strong { color: var(--ink); font-weight: 700; }
.lesson-body a { color: color-mix(in oklch, var(--accent) 78%, var(--ink)); font-weight: 600; text-decoration: underline; text-decoration-color: var(--accent-line); text-underline-offset: 2px; }
.lesson-body a:hover { text-decoration-color: var(--accent); }
.lesson-body h2 { font-size: clamp(20px, 2.4vw, 25px); letter-spacing: -0.02em; margin: 38px 0 14px; }
.lesson-body h3 { font-size: 17px; margin: 26px 0 10px; }
.lesson-body ul, .lesson-body ol { margin: 0 0 20px; padding-left: 4px; display: flex; flex-direction: column; gap: 9px; }
.lesson-body li { list-style: none; position: relative; padding-left: 26px; color: var(--ink-2); }
.lesson-body ul > li::before { content: ""; position: absolute; left: 6px; top: 11px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.lesson-body ol { counter-reset: li; }
.lesson-body ol > li { counter-increment: li; }
.lesson-body ol > li::before { content: counter(li); position: absolute; left: 0; top: 0; width: 19px; height: 19px; border-radius: 50%; background: var(--accent-wash); color: color-mix(in oklch, var(--accent) 70%, var(--ink)); font-family: var(--font-mono); font-size: 11px; font-weight: 600; display: grid; place-items: center; }
.lesson-body li strong { color: var(--ink); }

/* tables */
.lesson-table-wrap { margin: 0 0 24px; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-md); }
.lesson-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.lesson-table th, .lesson-table td { text-align: left; padding: 12px 15px; border-bottom: 1px solid var(--line); vertical-align: top; }
.lesson-table thead th { background: var(--bg-elev); font-size: 12px; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; color: var(--ink-3); }
.lesson-table tbody tr:last-child td { border-bottom: none; }
.lesson-table td:first-child { font-weight: 650; color: var(--ink); white-space: nowrap; }
.lesson-table td { color: var(--ink-2); }

/* callout boxes */
.ac-box { margin: 26px 0; padding: 18px 20px; border-radius: var(--r-md); border: 1px solid var(--line); background: var(--bg-elev); }
.ac-box-h { display: flex; align-items: center; gap: 9px; font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 12px; }
.ac-box-h .ic { width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; flex: none; }
.ac-box ul { display: flex; flex-direction: column; gap: 8px; }
.ac-box li { font-size: 14.5px; line-height: 1.5; color: var(--ink-2); position: relative; padding-left: 22px; list-style: none; }

.ac-box-mistakes { background: color-mix(in oklch, var(--down) 7%, var(--bg-elev)); border-color: color-mix(in oklch, var(--down) 24%, var(--line)); }
.ac-box-mistakes .ac-box-h { color: var(--down); }
.ac-box-mistakes .ac-box-h .ic { background: color-mix(in oklch, var(--down) 16%, transparent); color: var(--down); }
.ac-box-mistakes li::before { content: "✕"; position: absolute; left: 0; top: 0; color: var(--down); font-size: 12px; font-weight: 700; }

.ac-box-terms .ac-box-h { color: color-mix(in oklch, var(--accent) 70%, var(--ink)); }
.ac-box-terms .ac-box-h .ic { background: var(--accent-wash); color: color-mix(in oklch, var(--accent) 70%, var(--ink)); }
.ac-terms { display: flex; flex-direction: column; gap: 11px; }
.ac-term { font-size: 14.5px; line-height: 1.5; }
.ac-term b { color: var(--ink); font-weight: 700; }
.ac-term span { color: var(--ink-2); }

/* related DEX links */
.ac-related { margin: 30px 0 4px; }
.ac-related-h { font-family: var(--font-mono); font-size: 11.5px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 12px; }
.ac-related-row { display: flex; flex-wrap: wrap; gap: 8px; }
.ac-rel-chip { display: inline-flex; align-items: center; gap: 8px; padding: 7px 13px 7px 9px; background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--r-pill); font-size: 13.5px; font-weight: 600; color: var(--ink-2); transition: border-color .15s, color .15s; }
.ac-rel-chip:hover { border-color: var(--accent-line); color: var(--ink); }

/* complete button */
.lesson-complete { margin: 36px 0 8px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; padding: 18px 20px; border-radius: var(--r-md); background: var(--accent-wash); border: 1px solid var(--accent-line); }
.lesson-complete .lc-txt { font-size: 14.5px; font-weight: 600; color: color-mix(in oklch, var(--accent) 60%, var(--ink)); }
.btn-complete { margin-left: auto; }
.btn-complete.done { background: var(--up); color: #fff; }
.btn-complete.done:hover { box-shadow: 0 4px 14px color-mix(in oklch, var(--up) 40%, transparent); }

/* prev / next */
.lesson-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 34px; }
@media (max-width: 560px){ .lesson-nav { grid-template-columns: 1fr; } }
.lesson-nav a, .lesson-nav .disabled {
  display: flex; flex-direction: column; gap: 4px; padding: 16px 18px;
  border: 1px solid var(--line); border-radius: var(--r-md); background: var(--bg-elev);
  transition: border-color .15s, box-shadow .15s, transform .12s;
}
.lesson-nav a:hover { border-color: var(--line-strong); box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.lesson-nav .ln-dir { font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-faint); }
.lesson-nav .ln-title { font-weight: 700; font-size: 14.5px; color: var(--ink); letter-spacing: -0.01em; }
.lesson-nav .ln-next { text-align: right; }
.lesson-nav .disabled { opacity: .55; }
.lesson-nav .disabled .ln-title { color: var(--ink-3); }

/* ============================== IN-TEXT TOOLTIP LINK (Academy prose) === */
.gl-link {
  color: inherit; font-weight: inherit;
  text-decoration: underline; text-decoration-style: dotted;
  text-decoration-color: var(--accent-line); text-underline-offset: 3px;
  cursor: help; transition: text-decoration-color .15s;
}
.gl-link:hover { text-decoration-color: var(--accent); }

.gl-pop {
  position: fixed; z-index: 200; max-width: 320px; padding: 13px 15px;
  background: var(--bg-elev); border: 1px solid var(--line-strong);
  border-radius: var(--r-md); box-shadow: var(--shadow-lg, 0 12px 34px rgba(0,0,0,.16));
  opacity: 0; transform: translateY(4px); pointer-events: none; transition: opacity .14s, transform .14s;
}
.gl-pop.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.gl-pop-term { font-size: 13.5px; font-weight: 700; color: var(--ink); letter-spacing: -0.01em; margin-bottom: 5px; }
.gl-pop-short { font-size: 13px; line-height: 1.5; color: var(--ink-2); }
.gl-pop-more { display: inline-flex; align-items: center; gap: 5px; margin-top: 9px; font-family: var(--font-mono); font-size: 11px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: color-mix(in oklch, var(--accent) 62%, var(--ink)); }
.gl-pop-more:hover { color: var(--accent); }