/* BioGlytch Academy + Admin dashboard */
:root {
  --bg: #071111;
  --bg-2: #0c1a1a;
  --panel: #102020;
  --panel-2: #142828;
  --line: rgba(146, 227, 178, 0.16);
  --text: #edfdf5;
  --muted: #a5c4c5;
  --green: #22c55e;
  --green-2: #16a34a;
  --green-soft: rgba(34, 197, 94, 0.12);
  --warn: #fbbf24;
  --danger: #f87171;
  --radius: 14px;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.academy-body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(circle at 50% -10%, rgba(34, 197, 94, 0.14), transparent 40%), var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--green); }
img { max-width: 100%; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 0.5rem; }
h1 { font-size: clamp(1.75rem, 4vw, 2.6rem); }
h2 { font-size: 1.3rem; }
code { font-family: var(--mono); font-size: 0.9em; background: rgba(255, 255, 255, 0.07); padding: 0.1em 0.35em; border-radius: 5px; }
[hidden] { display: none !important; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--green); color: #041; padding: 0.5rem 1rem; z-index: 100; }
.skip-link:focus { left: 1rem; }

/* Nav */
.academy-nav { position: sticky; top: 0; z-index: 40; background: rgba(7, 17, 17, 0.9); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.academy-nav-inner { max-width: 1240px; margin: 0 auto; padding: 0.8rem 1rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.brand-mark { display: flex; align-items: center; gap: 0.6rem; color: var(--text); text-decoration: none; font-weight: 600; }
.brand-mark img { width: 34px; height: 34px; border-radius: 10px; }
.brand-mark strong { color: var(--green); }
.academy-nav-links { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.academy-nav-links a { color: var(--muted); text-decoration: none; font-weight: 500; font-size: 0.95rem; }
.academy-nav-links a:hover { color: var(--text); }
.nav-user { display: flex; align-items: center; gap: 0.6rem; }
.nav-user-name { color: var(--text) !important; }
.nav-btn { background: var(--green); color: #041a0c; border: 0; border-radius: 999px; padding: 0.45rem 1rem; font-weight: 700; cursor: pointer; }

.setup-notice { background: rgba(251, 191, 36, 0.12); border-bottom: 1px solid rgba(251, 191, 36, 0.4); color: #fde68a; padding: 0.7rem 1rem; text-align: center; font-size: 0.9rem; }

/* Layout */
.academy-main { max-width: 1240px; margin: 0 auto; padding: 1.5rem 1rem 4rem; outline: none; }
.loading-state, .empty { text-align: center; color: var(--muted); padding: 3rem 1rem; border: 1px dashed var(--line); border-radius: var(--radius); }
.empty h1 { color: var(--text); font-size: 1.5rem; }
section { margin-bottom: 2rem; }
.section-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.eyebrow { display: block; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.75rem; font-weight: 700; color: var(--green); margin-bottom: 0.35rem; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1rem; }

/* Buttons */
.primary-btn, .secondary-btn, .ghost-btn, .danger-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem;
  border-radius: 10px; padding: 0.7rem 1.1rem; font: inherit; font-weight: 650; font-size: 0.95rem;
  cursor: pointer; text-decoration: none; border: 1px solid transparent; transition: transform 0.12s, background 0.15s;
}
.primary-btn { background: var(--green); color: #041a0c; }
.primary-btn:hover { background: #4ade80; }
.secondary-btn { background: var(--green-soft); color: var(--text); border-color: rgba(34, 197, 94, 0.35); }
.ghost-btn { background: transparent; color: var(--text); border-color: var(--line); }
.ghost-btn:hover, .secondary-btn:hover { border-color: var(--green); }
.danger-btn { background: transparent; color: var(--danger); border-color: rgba(248, 113, 113, 0.4); }
button:disabled { opacity: 0.55; cursor: not-allowed; }
.block { display: flex; width: 100%; margin-top: 0.6rem; }
.small.primary-btn, .small.ghost-btn, .small.danger-btn, .small.secondary-btn { padding: 0.4rem 0.7rem; font-size: 0.85rem; }
.link-btn, .text-btn { background: none; border: 0; color: var(--green); font: inherit; cursor: pointer; padding: 0; text-decoration: underline; }
.text-btn { color: var(--muted); text-decoration: none; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1rem; }

/* Chips and tags */
.chip { display: inline-flex; gap: 0.4rem; align-items: center; background: var(--green-soft); color: #bbf7d0; border: 1px solid rgba(34, 197, 94, 0.3); padding: 0.3rem 0.75rem; border-radius: 999px; font-size: 0.82rem; font-weight: 600; }
.tag { font-size: 0.75rem; font-weight: 700; color: #bbf7d0; background: var(--green-soft); padding: 0.2rem 0.6rem; border-radius: 999px; }
.pill { font-size: 0.75rem; font-weight: 700; padding: 0.15rem 0.55rem; border-radius: 999px; background: var(--panel-2); color: var(--muted); }
.pill.ok { background: var(--green-soft); color: #86efac; }
.pill.bad { background: rgba(248, 113, 113, 0.14); color: #fca5a5; }

/* Hero */
.hero { display: grid; grid-template-columns: 1.6fr 1fr; gap: 2rem; align-items: center; padding: 2rem 0 1rem; }
.hero h1 { margin-top: 0.8rem; }
.hero p { color: var(--muted); font-size: 1.08rem; max-width: 60ch; }
.hero-stats { display: grid; gap: 0.8rem; }
.hero-stats div { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.2rem; display: flex; align-items: baseline; gap: 0.6rem; }
.hero-stats strong { font-size: 1.8rem; color: var(--green); }
.hero-stats span { color: var(--muted); }
.how-it-works { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.8rem; }
.how-it-works div { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; }
.how-it-works span { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--green); color: #041a0c; font-weight: 800; margin-bottom: 0.4rem; }
.how-it-works strong { display: block; }
.how-it-works p { color: var(--muted); font-size: 0.9rem; margin: 0.3rem 0 0; }

/* Course cards */
.course-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 1rem; }
.course-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; display: flex; flex-direction: column; transition: border-color 0.15s, transform 0.15s; }
.course-card:hover { border-color: rgba(34, 197, 94, 0.5); transform: translateY(-2px); }
.course-card h3 { font-size: 1.15rem; }
.course-card p { color: var(--muted); font-size: 0.93rem; flex: 1; margin: 0 0 0.8rem; }
.course-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.8rem; }
.course-icon { display: inline-grid; place-items: center; width: 46px; height: 46px; border-radius: 12px; background: var(--green-soft); color: var(--green); font-size: 1.3rem; flex-shrink: 0; }
.course-icon.big { width: 72px; height: 72px; font-size: 2rem; border-radius: 18px; }
.meta-row { list-style: none; padding: 0; margin: 0 0 0.8rem; display: flex; flex-wrap: wrap; gap: 0.35rem 0.9rem; color: var(--muted); font-size: 0.83rem; }
.meta-row i { color: var(--green); margin-right: 0.2rem; }
.card-progress small { color: var(--muted); }
.progress { height: 8px; background: rgba(255, 255, 255, 0.07); border-radius: 999px; overflow: hidden; }
.progress span { display: block; height: 100%; background: linear-gradient(90deg, var(--green-2), #4ade80); border-radius: inherit; transition: width 0.4s; }

/* Stats */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 0.8rem; margin-bottom: 2rem; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.2rem; }
.stat span { color: var(--muted); font-size: 0.85rem; display: block; }
.stat strong { font-size: 1.9rem; }
.stat small { color: var(--muted); }

/* Course page */
.back-link { display: inline-flex; gap: 0.4rem; align-items: center; color: var(--muted); text-decoration: none; margin-bottom: 1rem; }
.course-hero { display: flex; gap: 1.5rem; align-items: flex-start; background: linear-gradient(135deg, var(--panel), var(--bg-2)); border: 1px solid var(--line); border-radius: 20px; padding: 1.75rem; }
.course-hero p { color: var(--muted); max-width: 75ch; }
.course-layout { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 1.25rem; align-items: start; }
.course-layout.even { grid-template-columns: 1fr 1fr; }
.course-side .panel:first-child { position: sticky; top: 80px; }
.check-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 0.45rem 1rem; }
.check-list i { color: var(--green); margin-right: 0.35rem; }
.module { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-bottom: 1rem; }
.module header { padding: 1rem 1.25rem 0.6rem; }
.module-num { color: var(--green); font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; }
.module h3 { font-size: 1.1rem; margin: 0.15rem 0 0; }
.module.locked { opacity: 0.75; }
.item-list { list-style: none; margin: 0; padding: 0 0.6rem 0.6rem; }
.item-list a, .locked-row { display: grid; grid-template-columns: 22px 1fr auto; gap: 0.6rem; align-items: center; padding: 0.6rem 0.65rem; border-radius: 10px; color: var(--text); text-decoration: none; }
.item-list a:hover { background: var(--panel-2); }
.item-list i { color: var(--muted); }
.item-list small, .locked-row small { color: var(--muted); font-size: 0.8rem; text-align: right; }
.item-list li.done i { color: var(--green); }
.quiz-item a span, .quiz-item .locked-row span { font-weight: 600; }
.requirements { list-style: none; padding: 0; margin: 1rem 0; display: grid; gap: 0.5rem; font-size: 0.92rem; }
.requirements i { color: var(--muted); margin-right: 0.35rem; }
.requirements li.ok i { color: var(--green); }
.big-pct { font-size: 1.6rem; font-weight: 800; margin: 0.4rem 0 0; }
.cert-box { text-align: center; background: var(--green-soft); border: 1px solid rgba(34, 197, 94, 0.4); border-radius: 12px; padding: 1rem; margin-top: 1rem; }
.cert-box > i { font-size: 2rem; color: var(--green); }
.cert-box strong { display: block; margin: 0.3rem 0; }
.skill-tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.skill-tags li { background: var(--panel-2); border: 1px solid var(--line); border-radius: 999px; padding: 0.25rem 0.7rem; font-size: 0.8rem; color: var(--muted); }

/* Lesson reader */
.reader-layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 1.5rem; align-items: start; }
.lesson-nav { position: sticky; top: 80px; max-height: calc(100vh - 100px); overflow-y: auto; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 0.8rem; font-size: 0.88rem; }
.lesson-nav a { display: block; color: var(--muted); text-decoration: none; padding: 0.4rem 0.55rem; border-radius: 8px; }
.lesson-nav a:hover { background: var(--panel-2); color: var(--text); }
.lesson-nav a.active { background: var(--green-soft); color: var(--text); font-weight: 600; }
.lesson-nav a.done i { color: var(--green); }
.lesson-nav a i { font-size: 0.75rem; margin-right: 0.3rem; }
.lesson-nav-title { font-weight: 700; color: var(--text) !important; border-bottom: 1px solid var(--line); border-radius: 0 !important; margin-bottom: 0.4rem; }
.lesson-nav-module { margin-bottom: 0.6rem; }
.lesson-nav-module > span { display: block; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--green); font-weight: 700; padding: 0.4rem 0.55rem 0.2rem; }
.reader { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.1rem, 3vw, 2.25rem); min-width: 0; }
.lesson-body { font-size: 1.04rem; max-width: 76ch; }
.lesson-body h3 { margin-top: 1.5rem; }
.lesson-body li { margin-bottom: 0.3rem; }
.lesson-body .code-block { background: #050c0c; border: 1px solid var(--line); border-radius: 10px; padding: 1rem; overflow-x: auto; position: relative; font-size: 0.9rem; line-height: 1.55; }
.lesson-body .code-block::before { content: attr(data-lang); position: absolute; top: 0.3rem; right: 0.6rem; font-size: 0.68rem; text-transform: uppercase; color: var(--muted); font-family: var(--mono); }
.lesson-body .code-block code { background: none; padding: 0; font-size: inherit; color: #d1fae5; }
.table-wrap { overflow-x: auto; margin: 1rem 0; }
.lesson-body table { border-collapse: collapse; width: 100%; font-size: 0.93rem; }
.lesson-body th, .lesson-body td { border: 1px solid var(--line); padding: 0.5rem 0.7rem; text-align: left; vertical-align: top; }
.lesson-body th { background: var(--panel-2); }
.callout { display: flex; gap: 0.7rem; background: rgba(251, 191, 36, 0.08); border-left: 3px solid var(--warn); padding: 0.8rem 1rem; border-radius: 8px; margin: 1rem 0; }
.callout i { color: var(--warn); margin-top: 0.3rem; }
.callout p { margin: 0; }
.notice { background: var(--green-soft); border: 1px solid rgba(34, 197, 94, 0.3); border-radius: 10px; padding: 0.8rem 1rem; margin: 1rem 0; }
.todo-list li { margin-bottom: 0.3rem; }
.reader-footer { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--line); flex-wrap: wrap; }

/* Quiz */
.question { border: 1px solid var(--line); border-radius: 12px; padding: 1rem 1.1rem; margin: 0 0 1rem; background: var(--bg-2); }
.question legend { font-weight: 600; padding: 0 0.4rem; }
.question legend span { color: var(--green); }
.option { display: flex; gap: 0.6rem; align-items: flex-start; padding: 0.5rem 0.6rem; border-radius: 8px; cursor: pointer; }
.option:hover { background: var(--panel-2); }
.option input { margin-top: 0.35rem; accent-color: var(--green); }
.question.right { border-color: rgba(34, 197, 94, 0.7); }
.question.wrong { border-color: rgba(248, 113, 113, 0.7); }
.explain { margin: 0.6rem 0 0; padding: 0.6rem 0.8rem; border-radius: 8px; font-size: 0.92rem; }
.question.right .explain { background: var(--green-soft); }
.question.wrong .explain { background: rgba(248, 113, 113, 0.1); }
.quiz-submit { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.quiz-submit small { color: var(--muted); }
.result-card { display: flex; gap: 1.5rem; align-items: center; border-radius: var(--radius); padding: 1.4rem; margin-top: 1.5rem; border: 1px solid; }
.result-card.pass { background: var(--green-soft); border-color: rgba(34, 197, 94, 0.5); }
.result-card.fail { background: rgba(251, 191, 36, 0.08); border-color: rgba(251, 191, 36, 0.4); }
.score-ring { flex-shrink: 0; width: 110px; height: 110px; border-radius: 50%; display: grid; place-content: center; text-align: center; border: 6px solid var(--green); }
.result-card.fail .score-ring { border-color: var(--warn); }
.score-ring strong { font-size: 1.7rem; line-height: 1; }
.score-ring small { color: var(--muted); }

/* Certificates list */
.cert-list { display: grid; gap: 0.7rem; }
.cert-row { display: flex; align-items: center; gap: 1rem; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 0.9rem 1rem; flex-wrap: wrap; }
.cert-row.revoked { opacity: 0.6; }
.cert-icon { color: var(--green); font-size: 1.5rem; }
.cert-info { flex: 1; min-width: 200px; }
.cert-info small { display: block; color: var(--muted); font-family: var(--mono); font-size: 0.8rem; }
.cert-actions { display: flex; gap: 0.4rem; flex-wrap: wrap; }

/* Forms and dialog */
.stack-form, .auth-form { display: grid; gap: 0.9rem; }
.stack-form label, .auth-form label { display: grid; gap: 0.35rem; font-weight: 600; font-size: 0.92rem; }
.auth-form small { font-weight: 400; color: var(--muted); }
input, select, textarea { font: inherit; color: var(--text); background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; padding: 0.65rem 0.8rem; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(34, 197, 94, 0.5); border-color: var(--green); }
.auth-dialog { width: min(440px, calc(100vw - 2rem)); background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: 18px; padding: 1.5rem; }
.auth-dialog::backdrop { background: rgba(0, 0, 0, 0.65); backdrop-filter: blur(3px); }
.dialog-close { position: absolute; top: 0.8rem; right: 0.8rem; background: none; border: 0; color: var(--muted); font-size: 1.2rem; cursor: pointer; }
.auth-tabs { display: flex; gap: 0.4rem; margin-bottom: 1.2rem; background: var(--bg-2); border-radius: 12px; padding: 0.3rem; }
.auth-tabs button { flex: 1; background: none; border: 0; color: var(--muted); padding: 0.55rem; border-radius: 9px; font: inherit; font-weight: 600; cursor: pointer; }
.auth-tabs button.active { background: var(--panel-2); color: var(--text); }
.auth-message { min-height: 1.2em; margin: 1rem 0 0; font-size: 0.9rem; color: var(--muted); }
.auth-message.ok { color: #86efac; }
.auth-message.err { color: #fca5a5; }

.toast { position: fixed; bottom: 1.25rem; left: 50%; transform: translateX(-50%); z-index: 60; background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px; padding: 0.8rem 1.2rem; box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4); max-width: calc(100vw - 2rem); }
.toast.ok { border-color: rgba(34, 197, 94, 0.6); }
.toast.err { border-color: rgba(248, 113, 113, 0.6); }
.toast.warn { border-color: rgba(251, 191, 36, 0.6); }

/* Admin dashboard */
.live-dot { display: inline-flex; align-items: center; gap: 0.45rem; font-size: 0.85rem; color: var(--muted); }
.live-dot::before { content: ''; width: 10px; height: 10px; border-radius: 50%; background: var(--muted); }
.live-dot.on { color: #86efac; }
.live-dot.on::before { background: var(--green); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6); animation: pulse 1.8s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(34, 197, 94, 0); } 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); } }
.admin-tabs { display: flex; gap: 0.4rem; border-bottom: 1px solid var(--line); margin-bottom: 1.2rem; overflow-x: auto; }
.admin-tabs button { background: none; border: 0; border-bottom: 2px solid transparent; color: var(--muted); padding: 0.7rem 1rem; font: inherit; font-weight: 600; cursor: pointer; white-space: nowrap; }
.admin-tabs button.active { color: var(--text); border-color: var(--green); }
.toolbar { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-bottom: 1rem; }
.toolbar input, .toolbar select { width: auto; flex: 1 1 180px; }
.data-table-wrap { overflow-x: auto; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.data-table th, .data-table td { padding: 0.7rem 0.9rem; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
.data-table th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; background: var(--bg-2); }
.data-table tr:last-child td { border-bottom: 0; }
.data-table tr.flash td { animation: flash 2.5s ease-out; }
@keyframes flash { from { background: rgba(34, 197, 94, 0.25); } to { background: transparent; } }
.data-table .mono { font-family: var(--mono); font-size: 0.82rem; }
.mini-bar { width: 120px; display: inline-block; vertical-align: middle; margin-right: 0.4rem; }
.feed { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.5rem; }
.feed li { display: flex; gap: 0.7rem; align-items: flex-start; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 0.7rem 0.9rem; font-size: 0.9rem; }
.feed li i { color: var(--green); margin-top: 0.25rem; }
.feed time { margin-left: auto; color: var(--muted); font-size: 0.8rem; white-space: nowrap; }
.admin-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 1.25rem; align-items: start; }

/* Responsive */
@media (max-width: 960px) {
  .hero, .course-layout, .course-layout.even, .admin-grid { grid-template-columns: 1fr; }
  .how-it-works { grid-template-columns: repeat(2, 1fr); }
  .reader-layout { grid-template-columns: 1fr; }
  .lesson-nav { position: static; max-height: 260px; }
  .course-side .panel:first-child { position: static; }
}
@media (max-width: 560px) {
  .how-it-works { grid-template-columns: 1fr; }
  .course-hero { flex-direction: column; padding: 1.25rem; }
  .result-card { flex-direction: column; text-align: center; }
  .academy-nav-links { gap: 0.7rem; font-size: 0.9rem; }
  .reader-footer > * { flex: 1; }
}