/* ==========================================================================
   Agritech interactive sessions — builds on navera.css tokens
   ========================================================================== */

/* Hero ------------------------------------------------------------------- */
.ag-hero {
    position: relative; isolation: isolate; overflow: hidden; color: var(--nv-on-dark);
    padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(2.25rem, 5vw, 3.25rem);
    background: radial-gradient(800px 420px at 90% 0%, rgba(25, 149, 154, .25), transparent 60%), var(--nv-navy-900);
}
.ag-hero .nv-arcs { inset-inline-end: -4%; bottom: -45%; width: min(560px, 50vw); opacity: .55; }
.ag-hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2rem; align-items: end; }
.ag-hero__chips { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.ag-hero__num {
    font-family: var(--nv-font-display); font-size: 2.4rem; font-weight: 800; line-height: 1; color: var(--nv-amber-300);
    direction: ltr; margin-inline-end: .5rem;
}
.ag-hero__num small { font-size: .9rem; color: var(--nv-on-dark-faint); font-weight: 500; margin-inline-start: .25rem; }
.ag-hero__title { font-family: var(--nv-font-display); font-size: clamp(1.7rem, 3.6vw, 2.7rem); color: #fff; margin: 1.1rem 0 .3rem !important; line-height: 1.3; }
.ag-hero__en { font-family: var(--nv-font-mono); font-size: .85rem; color: var(--nv-teal-300); text-align: right; margin: 0 0 .9rem !important; }
.ag-hero__progress {
    display: flex; align-items: center; gap: 1rem; padding: 1rem 1.25rem; border-radius: var(--nv-r-lg);
    background: rgba(255, 255, 255, .06); border: 1px solid var(--nv-dark-line);
}
.ag-hero__progress b { display: block; color: #fff; font-size: .95rem; }
.ag-hero__progress small { display: block; color: var(--nv-on-dark-muted); font-size: .82rem; }
.ag-ring {
    --p: 0; width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; flex: none;
    background: conic-gradient(var(--nv-amber-500) calc(var(--p) * 1%), rgba(255, 255, 255, .12) 0);
    transition: background .4s;
}
.ag-ring span {
    width: 50px; height: 50px; border-radius: 50%; display: grid; place-items: center; background: var(--nv-navy-900);
    font-family: var(--nv-font-mono); font-size: .8rem; color: #fff;
}
.ag-linkbtn { background: none; border: 0; padding: 0; margin-top: .2rem; font: inherit; font-size: .75rem; color: var(--nv-teal-300); cursor: pointer; text-decoration: underline; }
@media (max-width: 767.98px) { .ag-hero__grid { grid-template-columns: 1fr; } }

/* Layout ----------------------------------------------------------------- */
.ag-layout { display: grid; grid-template-columns: 290px minmax(0, 1fr); gap: 2rem; padding-block: 2rem 4rem; align-items: start; }
.ag-side { position: sticky; top: calc(var(--nv-header-h) + 16px); display: grid; gap: 1rem; }
@media (max-width: 991.98px) {
    .ag-layout { grid-template-columns: 1fr; padding-top: 1rem; }
    .ag-side { position: sticky; top: var(--nv-header-h); z-index: 20; background: var(--nv-paper); margin-inline: calc(var(--nv-gutter) * -1); padding: .5rem var(--nv-gutter); border-bottom: 1px solid var(--nv-line); }
    .ag-timer { display: none; }
}

.ag-tabs { display: grid; gap: .25rem; background: var(--nv-surface); border: 1px solid var(--nv-line); border-radius: var(--nv-r-lg); padding: .5rem; }
.ag-tab {
    display: grid; grid-template-columns: 34px 1fr auto; gap: .65rem; align-items: center; width: 100%;
    padding: .55rem .6rem; border: 0; border-radius: var(--nv-r-sm); background: transparent; text-align: right;
    font: inherit; font-size: .92rem; color: var(--nv-ink-soft); cursor: pointer; transition: background var(--nv-dur), color var(--nv-dur);
}
.ag-tab:hover { background: var(--nv-paper); color: var(--nv-ink); }
.ag-tab__icon { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; background: var(--nv-paper); color: var(--nv-teal-600); font-size: .85rem; }
.ag-tab__label { line-height: 1.4; font-weight: 600; }
.ag-tab__label small { display: block; font-weight: 400; font-size: .74rem; color: var(--nv-muted); }
.ag-tab__done { width: 20px; height: 20px; border-radius: 50%; border: 1.5px solid var(--nv-line-strong); display: grid; place-items: center; font-size: .6rem; color: transparent; }
.ag-tab.is-done .ag-tab__done { background: var(--nv-teal-600); border-color: var(--nv-teal-600); color: #fff; }
.ag-tab.is-active { background: var(--nv-navy-800); color: #fff; }
.ag-tab.is-active .ag-tab__icon { background: rgba(255, 255, 255, .12); color: var(--nv-amber-300); }
.ag-tab.is-active .ag-tab__label small { color: var(--nv-on-dark-muted); }
@media (max-width: 991.98px) {
    .ag-tabs { display: flex; overflow-x: auto; padding: .35rem; scrollbar-width: none; }
    .ag-tabs::-webkit-scrollbar { display: none; }
    .ag-tab { grid-template-columns: auto auto; width: auto; flex: none; white-space: nowrap; }
    .ag-tab__done, .ag-tab__label small { display: none; }
    .ag-tab__icon { width: 28px; height: 28px; }
}

/* Timer */
.ag-timer { background: var(--nv-surface); border: 1px solid var(--nv-line); border-radius: var(--nv-r-lg); padding: 1rem; }
.ag-timer__head { display: flex; justify-content: space-between; align-items: center; gap: .5rem; font-size: .88rem; }
.ag-timer__head span { font-family: var(--nv-font-mono); font-size: .8rem; color: var(--nv-muted); }
.ag-timer__now { margin: .75rem 0; padding: .65rem .75rem; border-radius: var(--nv-r-sm); background: var(--nv-paper); font-size: .85rem; line-height: 1.6; min-height: 3.2em; }
.ag-timer__now b { display: block; }
.ag-timer__now .bar { height: 4px; border-radius: 4px; background: var(--nv-line); margin-top: .4rem; overflow: hidden; }
.ag-timer__now .bar i { display: block; height: 100%; background: var(--nv-amber-500); }
.ag-timer.is-over .ag-timer__now { background: #fbecea; }
.ag-timer__btns { display: flex; gap: .5rem; }
.ag-timer__btns .nv-btn { flex: 1; }

/* Panels ----------------------------------------------------------------- */
.ag-panel[hidden] { display: none; }
.ag-panel { animation: ag-in .35s var(--nv-ease); }
@keyframes ag-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.ag-panel__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: .5rem 1rem; margin-bottom: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--nv-line); }
.ag-panel__head .nv-eyebrow { flex-basis: 100%; }
.ag-panel__head h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
.ag-panel__nav { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem; margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--nv-line); }
.ag-panel__nav [data-ag-complete].is-done { background: var(--nv-teal-50); border-color: var(--nv-teal-500); color: var(--nv-teal-700) !important; }
.ag-min { display: inline-flex; align-items: center; gap: .35rem; font-size: .8rem; color: var(--nv-muted); }
.ag-block { margin-block: 1.25rem; }
.ag-h3 { font-size: 1.2rem; margin: 2rem 0 1rem !important; }
.ag-h4 { display: flex; align-items: center; gap: .5rem; font-size: 1.02rem; margin: 1.25rem 0 .75rem !important; }
.ag-h4 i, .ag-h5 i { color: var(--nv-teal-600); }
.ag-h5 { font-size: .9rem; margin: 0 0 .6rem !important; display: flex; gap: .45rem; align-items: center; }
.ag-text { margin-block: 1rem; }
.ag-text > * + * { margin-top: .9em; }
.ag-text code, .ag-table code, .nv-prose code { font-family: var(--nv-font-mono); font-size: .86em; background: var(--nv-paper-2); padding: .1em .35em; border-radius: 4px; direction: ltr; unicode-bidi: isolate; }
.ag-list { margin-block: .75rem 1.25rem; }

.ag-overview { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.ag-farm-card { background: linear-gradient(160deg, #fffaf0, #fff); border-color: rgba(245, 165, 36, .35); }
.ag-farm-card p { color: var(--nv-ink-soft); line-height: 1.85; }
@media (max-width: 767.98px) { .ag-overview { grid-template-columns: 1fr; } }

/* Agenda */
.ag-agenda { list-style: none; margin: 0 0 1.5rem; padding: 0; display: grid; gap: .4rem; }
.ag-agenda li {
    position: relative; display: grid; grid-template-columns: 52px 74px 1fr auto; gap: .75rem; align-items: center;
    padding: .7rem 1rem; border-radius: var(--nv-r-sm); background: var(--nv-surface); border: 1px solid var(--nv-line); overflow: hidden; font-size: .93rem;
}
.ag-agenda li::before { content: ""; position: absolute; inset-inline-start: 0; inset-block: 0; width: 4px; background: var(--k, var(--nv-teal-500)); }
.ag-agenda__time { font-family: var(--nv-font-mono); font-size: .78rem; color: var(--nv-muted); }
.ag-agenda__kind { font-size: .72rem; font-weight: 700; padding: .15rem .5rem; border-radius: 6px; text-align: center; background: color-mix(in srgb, var(--k, var(--nv-teal-500)) 14%, white); color: var(--k, var(--nv-teal-600)); }
.ag-agenda__min { font-family: var(--nv-font-mono); font-size: .78rem; color: var(--nv-muted); }
.ag-agenda li.is-review { --k: #6b7cd8; } .ag-agenda li.is-theory { --k: #13787b; } .ag-agenda li.is-lab { --k: #1d2256; }
.ag-agenda li.is-sim { --k: #8a4fd1; } .ag-agenda li.is-field { --k: #d98a07; } .ag-agenda li.is-break { --k: #9aa0b4; }
.ag-agenda li.is-quiz { --k: #c2413b; } .ag-agenda li.is-project { --k: #138a5e; } .ag-agenda li.is-discussion { --k: #b5527a; }
.ag-agenda li.is-now { outline: 2px solid var(--nv-amber-500); background: var(--nv-amber-50); }
@media (max-width: 575.98px) { .ag-agenda li { grid-template-columns: 44px 1fr auto; } .ag-agenda__kind { display: none; } }

/* Terms */
.ag-terms { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: .6rem; }
.ag-term { padding: .85rem 1rem; border-radius: var(--nv-r-md); background: var(--nv-surface); border: 1px solid var(--nv-line); }
.ag-term b { display: block; font-family: var(--nv-font-mono); font-size: .9rem; color: var(--nv-navy-800); text-align: right; }
.ag-term span { display: block; font-weight: 600; font-size: .9rem; color: var(--nv-teal-600); margin-top: .1rem; }
.ag-term p { margin-top: .3rem !important; font-size: .84rem; color: var(--nv-muted); line-height: 1.65; }

/* Tables */
.ag-table-wrap { overflow-x: auto; border: 1px solid var(--nv-line); border-radius: var(--nv-r-md); background: var(--nv-surface); }
.ag-table-title { padding: .75rem 1rem; font-weight: 600; font-size: .92rem; border-bottom: 1px solid var(--nv-line); background: var(--nv-paper); }
.ag-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.ag-table th { background: var(--nv-navy-800); color: #fff; font-weight: 600; text-align: right; padding: .65rem .85rem; white-space: nowrap; }
.ag-table td { padding: .65rem .85rem; border-top: 1px solid var(--nv-line); vertical-align: top; line-height: 1.7; }
.ag-table tbody tr:nth-child(even) td { background: #fbfaf7; }
.ag-table--wiring td:nth-child(-n+2) { font-family: var(--nv-font-mono); font-size: .82rem; white-space: nowrap; }

/* Steps */
.ag-steps { list-style: none; counter-reset: ag; margin: .75rem 0; padding: 0; display: grid; gap: .6rem; }
.ag-steps > li { counter-increment: ag; display: grid; grid-template-columns: 30px 1fr; gap: .75rem; }
.ag-steps > li::before {
    content: counter(ag); display: grid; place-items: center; width: 28px; height: 28px; border-radius: 8px;
    background: var(--nv-paper-2); color: var(--nv-navy-800); font-family: var(--nv-font-mono); font-size: .75rem; font-weight: 600;
}
.ag-steps > li > * { grid-column: 2; }
.ag-steps > li > :first-child { grid-row: 1; }
.ag-steps b { display: block; font-weight: 600; }
.ag-steps p { color: var(--nv-ink-soft); line-height: 1.8; margin: 0 !important; }

/* Code */
.ag-code { margin-inline: 0; border-radius: var(--nv-r-md); overflow: hidden; background: #0d1117; border: 1px solid #1f2633; }
.ag-code figcaption { display: flex; align-items: center; gap: .75rem; padding: .55rem .9rem; background: #161b26; color: #c9d1d9; font-size: .8rem; }
.ag-code__lang { font-family: var(--nv-font-mono); font-size: .68rem; padding: .1rem .45rem; border-radius: 4px; background: rgba(245, 165, 36, .18); color: var(--nv-amber-300); }
.ag-code__title { font-family: var(--nv-font-mono); color: #8b949e; flex: 1; text-align: right; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ag-code__actions { display: flex; gap: .25rem; }
.ag-code__actions a, .ag-code__actions button, .ag-terminal__bar button {
    display: grid; place-items: center; width: 30px; height: 30px; border-radius: 6px; border: 0; background: transparent; color: #c9d1d9 !important; cursor: pointer;
}
.ag-code__actions a:hover, .ag-code__actions button:hover { background: rgba(255, 255, 255, .08); }
.ag-code pre, .ag-terminal pre, .ag-output { margin: 0; padding: 1rem 1.1rem; direction: ltr; text-align: left; overflow-x: auto; font-family: var(--nv-font-mono); font-size: .82rem; line-height: 1.7; }
.ag-code pre code.hljs { background: transparent; padding: 0; }
.ag-code pre.is-collapsed { max-height: 260px; overflow: hidden; -webkit-mask-image: linear-gradient(#000 70%, transparent); mask-image: linear-gradient(#000 70%, transparent); }
.ag-code__more { display: block; width: 100%; padding: .55rem; border: 0; border-top: 1px solid #1f2633; background: #161b26; color: var(--nv-amber-300); font: inherit; font-size: .85rem; cursor: pointer; }
.ag-code__note { margin: 0 !important; padding: .7rem 1rem; background: #161b26; color: #c9d1d9; font-size: .85rem; border-top: 1px solid #1f2633; line-height: 1.7; }
[data-ag-copy].is-copied { color: var(--nv-teal-300) !important; }

.ag-terminal { border-radius: var(--nv-r-md); overflow: hidden; background: #0d1117; margin: 1rem 0; }
.ag-terminal__bar { display: flex; align-items: center; gap: .35rem; padding: .45rem .75rem; background: #161b26; color: #8b949e; font-size: .75rem; font-family: var(--nv-font-mono); }
.ag-terminal__bar i { width: 10px; height: 10px; border-radius: 50%; background: #ff5f57; }
.ag-terminal__bar i:nth-child(2) { background: #febc2e; } .ag-terminal__bar i:nth-child(3) { background: #28c840; }
.ag-terminal__bar span { flex: 1; margin-inline-start: .5rem; }
.ag-terminal pre { color: #7ee787; }
.ag-output { background: #0d1117; color: #c9d1d9; border-radius: var(--nv-r-sm); max-height: 420px; }

/* Lab / field / sim-lab / project / dataset / discussion / challenge cards */
.ag-lab, .ag-field, .ag-project, .ag-dataset, .ag-discussion, .ag-challenge, .ag-sim-lab, .ag-widget, .ag-checklist {
    padding: clamp(1.1rem, 2.5vw, 1.6rem); border-radius: var(--nv-r-lg); background: var(--nv-surface); border: 1px solid var(--nv-line);
}
.ag-lab > header, .ag-field > header, .ag-project > header, .ag-dataset > header, .ag-discussion > header {
    display: flex; align-items: center; gap: .9rem; margin-bottom: 1rem;
}
.ag-lab > header > div, .ag-field > header > div, .ag-project > header > div, .ag-dataset > header > div { flex: 1; }
.ag-lab h3, .ag-field h3, .ag-project h3, .ag-dataset h3, .ag-discussion h3, .ag-challenge h3, .ag-sim-lab h3, .ag-widget h3 { font-size: 1.12rem; line-height: 1.5; }
.ag-lab__kind { display: block; font-size: .76rem; font-weight: 600; color: var(--nv-teal-600); }
.ag-lab { border-inline-start: 4px solid var(--nv-navy-800); }
.ag-lab__goal, .ag-lab__expected { color: var(--nv-ink-soft); line-height: 1.8; }
.ag-lab__expected { margin-top: 1rem !important; padding: .75rem 1rem; border-radius: var(--nv-r-sm); background: var(--nv-teal-50); }
.ag-lab__expected i { color: var(--nv-teal-600); }
.ag-lab__tools { margin: .75rem 0; }
.ag-field { border-inline-start: 4px solid var(--nv-amber-500); background: linear-gradient(160deg, #fffaf0 0%, #fff 40%); }
.ag-field__loc { color: var(--nv-ink-soft); font-size: .93rem; margin-bottom: .5rem !important; }
.ag-field__loc i { color: var(--nv-amber-600); }
.ag-sheet { margin-top: 1rem; border: 1px dashed var(--nv-line-strong); border-radius: var(--nv-r-md); overflow-x: auto; }
.ag-sheet .ag-table th { background: var(--nv-paper-2); color: var(--nv-ink); }
.ag-sheet .ag-table td { height: 34px; }
.ag-safety { margin-top: 1rem; padding: .85rem 1rem; border-radius: var(--nv-r-sm); background: #fbecea; color: #7d2a25; font-size: .9rem; }
.ag-safety ul { margin: .4rem 0 0; padding-inline-start: 1.2rem; line-height: 1.8; }
.ag-callout--danger { background: #fbecea; border-color: rgba(194, 65, 59, .3); }
.ag-callout--danger .nv-icon-tile { background: #f6d5d2; color: var(--nv-danger); }
.ag-callout--farm { background: #f2f8ec; border-color: rgba(84, 139, 46, .3); }
.ag-callout--farm .nv-icon-tile { background: #dcebd0; color: #3f7a1f; }
.ag-callout--think { background: #f4f0fb; border-color: rgba(138, 79, 209, .25); }
.ag-callout--think .nv-icon-tile { background: #e6dcf6; color: #6b3fb0; }

.ag-sim-lab { border: 1.5px solid #c8e3e2; background: linear-gradient(160deg, #f1f9f8, #fff 45%); }
.ag-sim-lab.is-wokwi { border-color: #d9d2f0; background: linear-gradient(160deg, #f6f3fd, #fff 45%); }
.ag-sim-lab > header { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem .9rem; margin-bottom: .75rem; }
.ag-sim-lab > header h3 { flex: 1; min-width: 200px; }
.ag-sim-lab__badge { font-family: var(--nv-font-mono); font-size: .7rem; font-weight: 600; padding: .25rem .6rem; border-radius: 6px; background: #13787b; color: #fff; }
.ag-sim-lab.is-wokwi .ag-sim-lab__badge { background: #6b3fb0; }
.ag-sim-lab__goal { color: var(--nv-ink-soft); line-height: 1.8; }
.ag-sim-lab__grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 1.25rem; margin: 1rem 0; }
@media (max-width: 767.98px) { .ag-sim-lab__grid { grid-template-columns: 1fr; } }
.ag-parts { margin: 0; padding-inline-start: 1.1rem; line-height: 1.9; font-size: .92rem; }
.ag-sim-lab__foot { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1.25rem; margin-top: 1rem; }
.ag-check { font-size: .88rem; color: var(--nv-teal-700); }

.ag-challenge { border: 1.5px dashed rgba(245, 165, 36, .6); background: #fffcf5; }
.ag-challenge > header { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; margin-bottom: .75rem; }
.ag-challenge__tag { font-size: .75rem; font-weight: 700; padding: .2rem .6rem; border-radius: 6px; background: var(--nv-amber-500); color: var(--nv-navy-900); }
.ag-reveal { margin-top: .75rem; border: 1px solid var(--nv-line); border-radius: var(--nv-r-sm); background: var(--nv-surface); }
.ag-reveal > summary { cursor: pointer; padding: .65rem .9rem; font-weight: 600; font-size: .92rem; list-style: none; display: flex; gap: .5rem; align-items: center; }
.ag-reveal > summary::-webkit-details-marker { display: none; }
.ag-reveal > summary::after { content: "+"; margin-inline-start: auto; font-family: var(--nv-font-mono); color: var(--nv-muted); }
.ag-reveal[open] > summary::after { content: "−"; }
.ag-reveal > :not(summary) { padding: 0 .9rem .9rem; }
.ag-reveal--solution > summary { color: var(--nv-teal-700); }
.ag-reveal .ag-code { margin: 0; }

.ag-project { border-inline-start: 4px solid #138a5e; }
.ag-files { display: flex; flex-wrap: wrap; gap: .4rem; margin: 1rem 0; }
.ag-files a { font-family: var(--nv-font-mono); font-size: .78rem; padding: .3rem .6rem; border-radius: 6px; background: var(--nv-paper); border: 1px solid var(--nv-line); color: var(--nv-ink) !important; }
.ag-files a:hover { border-color: var(--nv-teal-500); }
.ag-dataset { border-inline-start: 4px solid var(--nv-teal-500); }
.ag-dataset > p { color: var(--nv-ink-soft); line-height: 1.8; }
.ag-dataset .nv-kv { margin: .75rem 0; }
.ag-dataset__links { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.ag-discussion { background: #f9f7fd; border-color: #e6dcf6; }

/* Checklist */
.ag-checklist__bar { position: relative; height: 26px; border-radius: 8px; background: var(--nv-paper-2); overflow: hidden; margin-bottom: .75rem; }
.ag-checklist__bar i { position: absolute; inset-block: 0; inset-inline-start: 0; width: var(--v); background: linear-gradient(to left, var(--nv-amber-500), var(--nv-teal-500)); transition: width .3s; }
.ag-checklist__bar span { position: relative; display: block; text-align: center; font-family: var(--nv-font-mono); font-size: .75rem; line-height: 26px; font-weight: 600; }
.ag-check-item { display: flex; gap: .75rem; align-items: flex-start; padding: .6rem .5rem; border-bottom: 1px dashed var(--nv-line); cursor: pointer; line-height: 1.7; }
.ag-check-item input { width: 18px; height: 18px; margin-top: .3rem; accent-color: var(--nv-teal-600); flex: none; }
.ag-check-item:has(input:checked) span { color: var(--nv-muted); text-decoration: line-through; }

/* Widgets */
.ag-widget { border: 1.5px solid #e6dcf6; background: linear-gradient(160deg, #faf8ff, #fff 50%); }
.ag-widget > header { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem .9rem; margin-bottom: .5rem; }
.ag-widget__badge { font-size: .72rem; font-weight: 700; padding: .25rem .6rem; border-radius: 6px; background: #8a4fd1; color: #fff; }
.ag-widget__text { color: var(--nv-ink-soft); line-height: 1.8; font-size: .95rem; }
.ag-widget__body { margin-top: 1rem; display: grid; gap: 1rem; }
.ag-ctrls { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: .9rem 1.25rem; }
.ag-ctrl { display: grid; gap: .3rem; font-size: .88rem; font-weight: 600; }
.ag-ctrl output { font-family: var(--nv-font-mono); font-weight: 600; color: var(--nv-teal-700); }
.ag-ctrl input[type=range] { width: 100%; accent-color: var(--nv-teal-600); }
.ag-ctrl select, .ag-ctrl input[type=number], .ag-ctrl input[type=text] { font: inherit; padding: .45rem .6rem; border: 1.5px solid var(--nv-line); border-radius: 8px; background: #fff; }
.ag-readouts { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: .6rem; }
.ag-readout { padding: .75rem .9rem; border-radius: var(--nv-r-sm); background: var(--nv-navy-900); color: #fff; }
.ag-readout small { display: block; font-size: .74rem; color: var(--nv-on-dark-muted); }
.ag-readout b { font-family: var(--nv-font-mono); font-size: 1.25rem; color: var(--nv-amber-300); direction: ltr; display: block; text-align: right; }
.ag-readout.is-good b { color: #7ee2a8; } .ag-readout.is-bad b { color: #ff8f86; }
.ag-canvas { width: 100%; height: 220px; border-radius: var(--nv-r-sm); background: #0d1117; display: block; }
.ag-led { width: 64px; height: 64px; border-radius: 50%; margin: auto; border: 3px solid #234; transition: box-shadow .1s, background .1s; }
.ag-verdict { padding: .8rem 1rem; border-radius: var(--nv-r-sm); font-weight: 600; line-height: 1.7; }
.ag-verdict.is-good { background: #e7f6ef; color: #0d5c3f; } .ag-verdict.is-warn { background: var(--nv-amber-50); color: #8a5604; } .ag-verdict.is-bad { background: #fbecea; color: #8e2b26; }
.ag-mqtt-list { display: grid; gap: .35rem; font-family: var(--nv-font-mono); font-size: .82rem; direction: ltr; }
.ag-mqtt-list div { padding: .4rem .6rem; border-radius: 6px; background: var(--nv-paper); display: flex; justify-content: space-between; }
.ag-mqtt-list div.is-match { background: #e7f6ef; color: #0d5c3f; font-weight: 600; }

/* Quiz */
.ag-quiz { display: grid; gap: 1rem; }
.ag-quiz .nv-question.is-right { border-color: #9ed8bb; background: #f3fbf7; }
.ag-quiz .nv-question.is-wrong { border-color: #f0b8b3; background: #fdf5f4; }
.ag-quiz .nv-choice.is-answer .nv-choice__box { border-color: #138a5e; background: #e7f6ef; }
.ag-quiz__why { margin-top: .75rem !important; padding: .65rem .85rem; border-radius: var(--nv-r-sm); background: var(--nv-paper); font-size: .9rem; line-height: 1.75; color: var(--nv-ink-soft); }
.ag-quiz__foot { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; }
.ag-quiz__score { font-weight: 700; font-family: var(--nv-font-display); font-size: 1.1rem; }

.ag-resources { list-style: none; margin: 0; padding: 0; display: grid; gap: .4rem; }
.ag-resources a { display: flex; gap: .5rem; align-items: center; color: var(--nv-teal-700) !important; font-size: .93rem; }

/* Pager */
.ag-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 3rem; }
.ag-pager__link { padding: 1rem 1.25rem; border-radius: var(--nv-r-md); background: var(--nv-surface); border: 1px solid var(--nv-line); transition: border-color var(--nv-dur), transform var(--nv-dur); }
.ag-pager__link:hover { border-color: var(--nv-teal-500); transform: translateY(-2px); }
.ag-pager__link small { display: block; color: var(--nv-muted); font-size: .8rem; }
.ag-pager__link b { display: block; margin-top: .25rem; font-family: var(--nv-font-display); font-weight: 600; line-height: 1.5; }
.ag-pager__link.is-next { text-align: left; }
@media (max-width: 575.98px) { .ag-pager { grid-template-columns: 1fr; } .ag-pager__link.is-next { text-align: right; } }

/* Course hub ------------------------------------------------------------- */
.ag-hub-module { margin-bottom: 2.5rem; }
.ag-hub-module__head { display: flex; align-items: center; gap: .9rem; margin-bottom: 1rem; }
.ag-hub-module__head h2 { font-size: 1.25rem; }
.ag-hub-module__head small { display: block; font-size: .8rem; color: var(--nv-muted); font-family: var(--nv-font-mono); }
.ag-hub-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 1rem; }
.ag-hub-card { position: relative; display: flex; flex-direction: column; gap: .5rem; padding: 1.25rem; border-radius: var(--nv-r-lg); background: var(--nv-surface); border: 1px solid var(--nv-line); color: var(--nv-ink) !important; transition: transform var(--nv-dur), box-shadow var(--nv-dur), border-color var(--nv-dur); }
.ag-hub-card:hover { transform: translateY(-3px); box-shadow: var(--nv-shadow-md); border-color: var(--nv-line-strong); }
.ag-hub-card__num { font-family: var(--nv-font-display); font-size: 1.6rem; font-weight: 800; color: var(--nv-navy-800); line-height: 1; }
.ag-hub-card h3 { font-size: 1.02rem; line-height: 1.55; }
.ag-hub-card p { font-size: .87rem; color: var(--nv-muted); line-height: 1.7; }
.ag-hub-card__tags { display: flex; flex-wrap: wrap; gap: .3rem; margin-top: auto; padding-top: .5rem; }
.ag-hub-card__tags span { font-size: .7rem; padding: .1rem .45rem; border-radius: 5px; background: var(--nv-paper); color: var(--nv-ink-soft); }
.ag-hub-card__prog { position: absolute; top: 1.25rem; inset-inline-end: 1.25rem; font-family: var(--nv-font-mono); font-size: .72rem; color: var(--nv-muted); }
.ag-hub-card.is-complete .ag-hub-card__prog { color: #138a5e; font-weight: 700; }
.ag-downloads { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
.ag-download { display: flex; gap: .9rem; align-items: flex-start; padding: 1.1rem; border-radius: var(--nv-r-md); background: rgba(255, 255, 255, .05); border: 1px solid var(--nv-dark-line); color: var(--nv-on-dark) !important; }
.ag-download:hover { background: rgba(255, 255, 255, .09); }
.ag-download b { display: block; color: #fff; }
.ag-download small { color: var(--nv-on-dark-muted); font-size: .82rem; line-height: 1.6; display: block; }