.resource-main { position: relative; z-index: 2; width: 100%; max-width: 1160px; min-width: 0; margin: 0 auto; padding: 150px 28px 90px; }
.resource-hero { display: grid; grid-template-columns: 1.35fr 0.65fr; gap: 4rem; align-items: end; padding: 2rem 0 4rem; }
.resource-hero h1 { font-family: var(--font-display); font-size: clamp(2.8rem, 7vw, 5.8rem); line-height: 0.98; letter-spacing: -0.045em; margin: 1rem 0 1.5rem; }
.resource-hero h1 span { color: var(--green); }
.resource-hero > div > p:last-child { color: var(--text-dim-1); font-size: 1.08rem; line-height: 1.7; max-width: 700px; }
.resource-hero-panel { border: 1px solid var(--green-soft-border); border-radius: 18px; padding: 1.5rem; background: linear-gradient(145deg, var(--green-soft), var(--surface-tint)); }
.resource-hero-panel > span { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.12em; color: var(--green); }
.resource-hero-panel > b { display: block; font: 600 4.5rem/1 var(--font-display); margin-top: 1rem; }
.resource-hero-panel > small { color: var(--text-dim-2); }
.resource-hero-panel > div { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 1.5rem; }
.resource-hero-panel strong { font: 500 0.68rem var(--font-mono); color: var(--text-dim-1); border: 1px solid var(--line); padding: 6px 9px; border-radius: 20px; }
.resource-tabs { position: sticky; z-index: 10; top: 78px; display: grid; grid-template-columns: repeat(3, 1fr); padding: 4px; background: var(--bg-header); backdrop-filter: blur(18px); border: 1px solid var(--line); border-radius: 14px; margin-bottom: 4rem; }
.resource-tabs button { border: 0; border-radius: 10px; padding: 0.9rem; color: var(--text-dim-2); background: transparent; font: 600 0.86rem var(--font-body); cursor: pointer; }
.resource-tabs button.is-active { background: var(--green); color: var(--btn-primary-text); }
.resource-view.is-hidden { display: none; }
.resource-section-head, .resource-toolbar { display: flex; min-width: 0; justify-content: space-between; align-items: end; gap: 2rem; margin-bottom: 2rem; }
.resource-section-head > *, .resource-toolbar > * { min-width: 0; max-width: 100%; }
.resource-section-head h2, .resource-toolbar h2 { max-width: 100%; font-family: var(--font-display); font-size: clamp(2rem, 4.5vw, 3rem); line-height: 1.05; letter-spacing: -0.03em; overflow-wrap: anywhere; text-wrap: balance; margin-top: 0.5rem; }
.resource-section-head > p, .resource-toolbar > div > p:last-child { color: var(--text-dim-2); max-width: 430px; line-height: 1.65; }
.featured-briefing { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 3rem; border: 1px solid var(--green-soft-border); background: radial-gradient(circle at 100% 0%, rgba(49,232,168,.13), transparent 40%), var(--surface-tint); border-radius: 20px; padding: clamp(1.6rem, 5vw, 3rem); margin-bottom: 1rem; }
.article-tag { font: 600 0.62rem var(--font-mono); letter-spacing: 0.11em; color: var(--green); }
.article-meta { font: 500 0.62rem var(--font-mono); letter-spacing: 0.08em; color: var(--text-dim-3); margin-top: 0.7rem; }
.featured-briefing h2 { font: 600 clamp(2rem, 4vw, 3rem)/1.05 var(--font-display); letter-spacing: -0.03em; margin: 1.2rem 0; }
.featured-briefing > div > p:not(.article-meta) { color: var(--text-dim-1); line-height: 1.7; margin-bottom: 1.5rem; }
.featured-briefing ol { list-style: none; display: grid; gap: 0.5rem; counter-reset: none; }
.featured-briefing li { display: flex; flex-direction: column; gap: 0.25rem; border-bottom: 1px solid var(--line); padding: 0.75rem 0; }
.featured-briefing li b { color: var(--green); font: 500 0.7rem var(--font-mono); }
.featured-briefing li span { color: var(--text-dim-1); }
.briefing-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.briefing-card { border: 1px solid var(--line); border-radius: 16px; padding: 1.5rem; background: var(--surface-tint); }
.briefing-card h3 { font: 600 1.35rem var(--font-display); margin: 0.8rem 0; }
.briefing-card > p, .briefing-card details p { color: var(--text-dim-2); line-height: 1.65; }
.briefing-card details { border-top: 1px solid var(--line); margin-top: 1.2rem; padding-top: 0.9rem; }
.briefing-card summary { color: var(--green); cursor: pointer; font-weight: 600; }
.briefing-card details div { padding-top: 0.8rem; display: grid; gap: 0.8rem; }
.discovery-controls { display: grid; grid-template-columns: 1fr 1fr 2fr; gap: 12px; margin: 0 0 24px; padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.discovery-controls label { display: grid; gap: 7px; color: var(--text-dim-2); font: 500 .68rem var(--font-mono); letter-spacing: .06em; text-transform: uppercase; }
.discovery-controls select, .discovery-controls input { width: 100%; min-width: 0; padding: 12px 13px; border: 1px solid var(--line); border-radius: 9px; background: var(--bg); color: var(--text); font: 400 .88rem var(--font-body); text-transform: none; letter-spacing: 0; }
.discovery-controls select:focus, .discovery-controls input:focus { outline: 2px solid var(--green-soft-border); border-color: var(--green); }
.aircraft-directory { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; margin-bottom: 28px; }
.aircraft-directory a { display: grid; gap: 4px; padding: 12px; border: 1px solid var(--line); border-radius: 9px; color: var(--text); text-decoration: none; }
.aircraft-directory a:hover { border-color: var(--green); }
.aircraft-directory b { color: var(--green); font: .72rem var(--font-mono); }
.aircraft-directory span { font-size: .78rem; }
.discovery-results .briefing-card { display: flex; flex-direction: column; }
.discovery-results .briefing-card h3 a { color: var(--text); text-decoration: none; }
.discovery-results .briefing-card h3 a:hover { color: var(--green); }
.briefing-link { margin-top: auto; padding-top: 18px; color: var(--green); font: 500 .74rem var(--font-mono); text-decoration: none; text-transform: uppercase; }
.discovery-count { margin-top: 18px; color: var(--text-dim-2); font-size: .82rem; }
.ata-directory { display: grid; grid-template-columns: 1fr 2fr; gap: 36px; margin-top: 50px; padding: 35px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.ata-directory h2 { margin: 8px 0; font-family: var(--font-display); font-size: 2rem; }
.ata-directory p { color: var(--text-dim-2); line-height: 1.5; }
.ata-directory > div:last-child { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.ata-directory a { display: grid; gap: 4px; padding: 11px; border: 1px solid var(--line); border-radius: 8px; color: var(--text); font-size: .74rem; text-decoration: none; }
.ata-directory a:hover { border-color: var(--green); }
.ata-directory a b { color: var(--green); font-family: var(--font-mono); }
.resource-toolbar label { display: flex; flex-direction: column; gap: 0.45rem; color: var(--text-dim-2); font: 500 0.66rem var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.resource-toolbar select { min-width: 220px; border: 1px solid var(--line); border-radius: 10px; padding: 0.8rem 2.2rem 0.8rem 0.9rem; background: var(--surface); color: var(--text); font: 600 0.9rem var(--font-body); }
.guide-directory-hero { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(260px, .8fr); align-items: end; gap: 3rem; margin-bottom: 2rem; }
.guide-directory-hero h2 { margin: .55rem 0 0; max-width: 670px; font: 600 clamp(2.4rem, 5.4vw, 4.25rem)/.98 var(--font-display); letter-spacing: -.045em; text-wrap: balance; }
.guide-directory-hero > p { margin: 0; max-width: 410px; color: var(--text-dim-1); font-size: 1.02rem; line-height: 1.65; }
.guide-includes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; overflow: hidden; margin-bottom: 1.1rem; border: 1px solid var(--line); border-radius: 15px; background: var(--line); }
.guide-includes > div { display: flex; align-items: center; gap: .85rem; min-width: 0; padding: 1rem 1.15rem; background: var(--surface-tint); }
.guide-includes span { flex: 0 0 auto; color: var(--green); font: 500 .62rem var(--font-mono); letter-spacing: .08em; }
.guide-includes p { min-width: 0; margin: 0; }
.guide-includes b, .guide-includes small { display: block; }
.guide-includes b { font-size: .88rem; }
.guide-includes small { margin-top: .2rem; color: var(--text-dim-2); font-size: .72rem; }
.manufacturer-guides { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.1rem; }
.manufacturer-panel { min-width: 0; overflow: hidden; padding: 0; border: 1px solid var(--line); border-radius: 20px; background: var(--surface-tint); box-shadow: var(--shadow-sm); }
.manufacturer-panel > header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.5rem; border-bottom: 1px solid var(--line); background: linear-gradient(140deg, var(--green-soft), transparent 72%); }
.manufacturer-panel > header p { margin: 0 0 .35rem; color: var(--green); font: 600 .64rem var(--font-mono); letter-spacing: .14em; }
.manufacturer-panel > header h3 { margin: 0; font: 600 1.6rem/1 var(--font-display); letter-spacing: -.025em; }
.manufacturer-panel > header > span { white-space: nowrap; color: var(--text-dim-2); font: 500 .62rem var(--font-mono); letter-spacing: .06em; text-transform: uppercase; }
.aircraft-guide-list { padding: 0 .8rem .8rem; }
.aircraft-guide-row { display: flex; min-width: 0; min-height: 72px; align-items: center; justify-content: space-between; gap: 1rem; padding: .9rem .7rem; border-bottom: 1px solid var(--line); color: var(--text); text-decoration: none; transition: color .18s ease, padding .18s ease, background .18s ease; }
.aircraft-guide-row:last-child { border-bottom: 0; }
a.aircraft-guide-row:hover, a.aircraft-guide-row:focus-visible { padding-left: .95rem; border-radius: 9px; outline: none; background: var(--green-soft); color: var(--green); }
.aircraft-guide-row > span:first-child { min-width: 0; }
.aircraft-guide-row b, .aircraft-guide-row small { display: block; }
.aircraft-guide-row b { font: 600 1.05rem var(--font-display); letter-spacing: -.01em; }
.aircraft-guide-row small { margin-top: .25rem; color: var(--text-dim-2); font-size: .72rem; }
.aircraft-guide-row > i { flex: 0 0 auto; color: var(--green); font: normal 1.15rem var(--font-body); transition: transform .18s ease; }
a.aircraft-guide-row:hover > i, a.aircraft-guide-row:focus-visible > i { transform: translateX(3px); }
.aircraft-guide-variants { cursor: default; }
.variant-links { display: flex; flex: 0 0 auto; gap: .4rem; }
.variant-links a { border: 1px solid var(--green-soft-border); border-radius: 99px; padding: .48rem .65rem; background: var(--green-soft); color: var(--green); font: 600 .65rem var(--font-mono); text-decoration: none; }
.variant-links a:hover, .variant-links a:focus-visible { outline: 1px solid var(--green); background: var(--green); color: var(--btn-primary-text); }
.guide-access-note { display: flex; align-items: center; justify-content: center; gap: .65rem; margin: 1.2rem 0 0; color: var(--text-dim-2); font-size: .77rem; text-align: center; }
.guide-access-note span { color: var(--green); font: 600 .59rem var(--font-mono); letter-spacing: .09em; }
.guide-banner { display: flex; width: 100%; min-width: 0; max-width: 100%; justify-content: space-between; align-items: end; gap: 2rem; overflow: hidden; border: 1px solid var(--green-soft-border); border-radius: 20px; padding: 2rem; background: linear-gradient(135deg, var(--green-soft), var(--surface-tint)); margin-bottom: 1rem; }
.guide-banner > div { min-width: 0; max-width: 100%; }
.guide-banner span { font: 500 0.66rem var(--font-mono); letter-spacing: 0.12em; color: var(--green); }
.guide-banner h2 { max-width: 100%; font: 600 clamp(2.25rem, 5vw, 4rem)/0.98 var(--font-display); overflow-wrap: anywhere; text-wrap: balance; margin: 0.6rem 0; }
.guide-banner p { max-width: min(700px, 100%); color: var(--text-dim-1); overflow-wrap: anywhere; }
.guide-layout { display: grid; min-width: 0; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.guide-card { min-width: 0; max-width: 100%; border: 1px solid var(--line); border-radius: 16px; padding: 1.5rem; overflow-wrap: anywhere; background: var(--surface-tint); }
.guide-card.guide-cheat { grid-column: 1 / -1; }
.guide-number { font: 500 0.68rem var(--font-mono); color: var(--green); }
.guide-card h3 { font: 600 1.35rem var(--font-display); margin: 0.65rem 0 0.4rem; }
.guide-card > p { color: var(--text-dim-2); line-height: 1.6; }
.guide-card ol, .guide-card ul { margin-top: 1.2rem; display: grid; gap: 0.7rem; }
.guide-card li { color: var(--text-dim-1); line-height: 1.55; padding-left: 0.35rem; }
.guide-card li::marker { color: var(--green); font-family: var(--font-mono); }
#guide-cheats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.7rem; margin-top: 1.2rem; }
.cheat-anchor { border-left: 2px solid var(--green); padding: 0.2rem 0.8rem; }
.cheat-anchor b { display: block; font: 600 0.68rem var(--font-mono); color: var(--green); margin-bottom: 0.35rem; }
.cheat-anchor span { color: var(--text-dim-1); font-size: 0.85rem; line-height: 1.5; }
.flashcard-heading { align-items: center; }
.flashcard-app.is-hidden, .flashcard-gate.is-hidden, .flashcard.is-hidden, .flashcard-empty.is-hidden { display: none; }
.flashcard-heading { max-width: 900px; margin-inline: auto; }
.flashcard-aircraft-picker { flex: 0 0 auto; }
.flashcard-aircraft-picker select { min-width: 190px; }
.flashcard-gate { min-height: 360px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 22px; background: var(--surface-tint); }
.flashcard-loading, .flashcard-gate-card { display: flex; align-items: center; gap: 1rem; max-width: 590px; padding: 2rem; }
.flashcard-loading b, .flashcard-gate-card b { display: block; font: 600 1.25rem var(--font-display); }
.flashcard-loading small { display: block; margin-top: 0.3rem; color: var(--text-dim-2); }
.loading-pulse { width: 14px; height: 14px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 0 rgba(49,232,168,.45); animation: flashcard-pulse 1.5s infinite; }
@keyframes flashcard-pulse { 70% { box-shadow: 0 0 0 12px rgba(49,232,168,0); } 100% { box-shadow: 0 0 0 0 rgba(49,232,168,0); } }
.flashcard-gate-card { align-items: flex-start; }
.flashcard-gate-card > span { flex: 0 0 auto; display: grid; place-items: center; min-width: 58px; height: 58px; padding: 0 .6rem; border: 1px solid var(--green-soft-border); border-radius: 14px; color: var(--green); font: 600 .72rem var(--font-mono); }
.flashcard-gate-card p { margin: .6rem 0 1.2rem; color: var(--text-dim-2); line-height: 1.6; }
.flashcard-tools { max-width: 900px; margin: 0 auto 1rem; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-tint); }
.flashcard-tools summary { padding: .8rem 1rem; color: var(--text-dim-1); font-size: .8rem; font-weight: 600; cursor: pointer; }
.flashcard-tools[open] summary { border-bottom: 1px solid var(--line); }
.flashcard-filterbar { display: grid; grid-template-columns: minmax(240px, 1.5fr) 1fr 1fr; gap: .7rem; margin: 1rem 0 1.5rem; }
.flashcard-tools .flashcard-filterbar { margin: 0; padding: 1rem; }
.flashcard-filterbar label { display: flex; flex-direction: column; gap: .4rem; color: var(--text-dim-2); font: 500 .61rem var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.flashcard-filterbar input, .flashcard-filterbar select { width: 100%; min-width: 0; border: 1px solid var(--line); border-radius: 10px; padding: .75rem .85rem; background: var(--surface); color: var(--text); font: 500 .82rem var(--font-body); }
.flashcard-workspace { max-width: 900px; margin-inline: auto; }
.flashcard-stage { min-width: 0; }
.flashcard-progress { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 1rem; color: var(--text-dim-2); font: 500 0.62rem var(--font-mono); letter-spacing: 0.08em; }
.flashcard-progress > div { height: 4px; border-radius: 6px; background: var(--line); overflow: hidden; }
.flashcard-progress i { display: block; height: 100%; width: 0; background: var(--green); transition: width .3s ease; }
.flashcard { min-height: 500px; margin: .8rem 0; padding: clamp(1.35rem, 4vw, 2.6rem); border: 1px solid var(--green-soft-border); border-radius: 22px; background: radial-gradient(circle at 100% 0%, rgba(49,232,168,.13), transparent 42%), var(--surface-tint); color: var(--text); }
.flashcard-cardhead { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; }
.flashcard-cardhead > div { display: flex; flex-wrap: wrap; gap: .4rem; }
.flashcard-chip { display: inline-flex; border: 1px solid var(--green-soft-border); border-radius: 99px; padding: .34rem .52rem; background: var(--green-soft); color: var(--green); font: 500 .58rem var(--font-mono); letter-spacing: .06em; text-transform: uppercase; }
.flashcard-chip.muted { border-color: var(--line); background: var(--surface); color: var(--text-dim-2); }
.flashcard-bookmark { border: 1px solid var(--line); border-radius: 9px; width: 38px; height: 38px; background: var(--surface); color: var(--text-dim-2); font-size: 1.25rem; cursor: pointer; }
.flashcard-bookmark[aria-pressed="true"] { border-color: rgba(244,183,64,.35); color: var(--amber); background: rgba(244,183,64,.08); }
.flashcard-front { display: flex; min-height: 390px; flex-direction: column; justify-content: center; align-items: flex-start; padding: 1rem 0 0; }
.flashcard-face-label { font: 500 0.64rem var(--font-mono); letter-spacing: .11em; color: var(--green); margin-bottom: 1.2rem; }
.flashcard h3 { max-width: 760px; margin: 0; font: 600 clamp(1.55rem, 3.5vw, 2.45rem)/1.25 var(--font-display); letter-spacing: -.025em; }
.flashcard-reveal { min-width: 150px; justify-content: center; margin-top: 2rem; }
.flashcard-reveal[hidden], .flashcard-back[hidden] { display: none !important; }
.flashcard-back { display: grid; gap: 1rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.flashcard-back > div { padding: 1rem 1.1rem; border-left: 2px solid var(--green); background: var(--surface); border-radius: 0 10px 10px 0; }
.flashcard-back span { color: var(--green); font: 600 .58rem var(--font-mono); letter-spacing: .1em; }
.flashcard-back p { margin: .55rem 0 0; color: var(--text-dim-1); line-height: 1.65; }
.flashcard-back > div:first-child p { color: var(--text); font: 600 1.1rem/1.55 var(--font-display); }
.flashcard-back .flashcard-source { border-left-color: var(--text-dim-3); }
.flashcard-back .flashcard-source span { color: var(--text-dim-2); }
.flashcard-back .flashcard-source p { font: 500 .72rem/1.55 var(--font-mono); color: var(--text-dim-2); }
.flashcard-source button { margin-top: .8rem; border: 0; padding: 0; background: transparent; color: var(--green); font: 600 .68rem var(--font-body); cursor: pointer; }
.flashcard-source small { margin-left: .7rem; color: var(--text-dim-3); font-size: .65rem; }
.flashcard.is-revealed .flashcard-front { min-height: auto; padding-bottom: 1.5rem; }
.flashcard-nav { display: flex; justify-content: space-between; gap: .75rem; margin-top: .75rem; }
.flashcard-nav[hidden] { display: none; }
.flashcard-nav .btn { min-width: 120px; justify-content: center; }
.flashcard-nav button:disabled { opacity: .4; cursor: not-allowed; transform: none; }
.flashcard-empty { min-height: 500px; margin: .8rem 0; padding: 2rem; border: 1px dashed var(--line); border-radius: 22px; display: grid; place-content: center; justify-items: center; text-align: center; }
.flashcard-empty b { font: 600 1.5rem var(--font-display); }
.flashcard-empty p { max-width: 480px; margin: .7rem 0 1.2rem; color: var(--text-dim-2); line-height: 1.6; }
.source-warning { display: grid; grid-template-columns: auto 1fr; gap: 1rem; border-top: 1px solid var(--line); margin-top: 5rem; padding: 1.5rem 0; color: var(--text-dim-2); font-size: 0.78rem; line-height: 1.6; }
.source-warning b { color: var(--amber); white-space: nowrap; }
.resource-footer { position: relative; z-index: 2; max-width: 1160px; margin: 0 auto; padding: 2rem 28px 3rem; border-top: 1px solid var(--line); display: flex; justify-content: space-between; color: var(--text-dim-3); font-size: 0.78rem; }
.resource-footer div { display: flex; gap: 1rem; }
.resource-footer a:hover { color: var(--green); }
@media (max-width: 820px) {
  .discovery-controls { grid-template-columns: 1fr; }
  .aircraft-directory { grid-template-columns: repeat(3, 1fr); }
  .ata-directory { grid-template-columns: 1fr; }
  .ata-directory > div:last-child { grid-template-columns: repeat(2, 1fr); }
  .resource-main { padding: 120px 18px 70px; }
  .resource-hero, .featured-briefing { grid-template-columns: 1fr; gap: 2rem; }
  .resource-section-head, .resource-toolbar, .guide-banner { align-items: flex-start; flex-direction: column; }
  .flashcard-aircraft-picker, .flashcard-aircraft-picker select { width: 100%; }
  .resource-section-head h2, .resource-toolbar h2 { font-size: clamp(2rem, 8vw, 2.75rem); }
  .guide-banner { padding: clamp(1.25rem, 5vw, 2rem); }
  .guide-banner h2 { font-size: clamp(2.25rem, 10vw, 3.5rem); }
  .briefing-grid, .guide-layout, .manufacturer-guides { grid-template-columns: 1fr; }
  .guide-directory-hero { grid-template-columns: 1fr; gap: 1rem; }
  .guide-directory-hero > p { max-width: 620px; }
  .guide-includes { grid-template-columns: 1fr; }
  .guide-card.guide-cheat { grid-column: auto; }
  #guide-cheats { grid-template-columns: repeat(2, 1fr); }
  .resource-tabs { top: 70px; margin-bottom: 3rem; }
  .flashcard-filterbar { grid-template-columns: 1fr 1fr; }
  .flashcard-search { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .aircraft-directory { grid-template-columns: repeat(2, 1fr); }
  .ata-directory > div:last-child { grid-template-columns: 1fr; }
  .resource-hero { padding-top: 1rem; }
  .resource-tabs button { font-size: 0.72rem; padding-inline: 0.35rem; }
  .resource-toolbar select { min-width: min(88vw, 320px); }
  .manufacturer-panel > header { padding: 1.25rem; }
  .aircraft-guide-row { min-height: 68px; }
  .aircraft-guide-variants { align-items: flex-start; flex-direction: column; gap: .7rem; }
  .variant-links { width: 100%; }
  .variant-links a { flex: 1; text-align: center; }
  .guide-access-note { align-items: flex-start; flex-direction: column; }
  #guide-cheats { grid-template-columns: 1fr; }
  .flashcard-progress { grid-template-columns: 1fr auto; }
  .flashcard-progress > div { grid-row: 2; grid-column: 1 / -1; }
  .flashcard-filterbar { grid-template-columns: 1fr 1fr; }
  .flashcard-search { grid-column: 1 / -1; }
  .flashcard { min-height: 430px; }
  .flashcard-nav .btn { min-width: 0; flex: 1; }
  .resource-footer { flex-direction: column; gap: 1rem; }
}