/* ==========================================================================
   Emoji Battle "How to Play" wiki. Content v17. Page-scoped under #eb-learn
   (the div inside the OS shell's <main>), built on the shared AJA OS tokens
   (styles.css + os.css) plus --app-accent, so it re-themes across all seven
   palettes and matches the phone shell everywhere else on the site.
   ========================================================================== */

#eb-learn {
    --eb-them-bg: #2b2b31;
    --eb-them-fg: #f3f3f7;
    --eb-blue-1: #2b9dff;
    --eb-blue-2: #0a7bff;
    --eb-win: 16, 185, 129;    /* emerald — beats */
    --eb-lose: 244, 63, 94;    /* rose — loses to */
    --eb-neutral: 148, 152, 168; /* slate — neutral */
}
html[data-theme="light"] #eb-learn,
html[data-theme="candy"] #eb-learn {
    --eb-them-bg: #e9e9eb;
    --eb-them-fg: #14172b;
}

/* Defensive fallback: .visually-hidden is used across the site (including
   the foundation's own index.html) but isn't defined in styles.css/os.css.
   Kept unscoped (standard sr-only utility name) so this page's a11y text
   (page-dot labels, natural-enemy "X counters Y" text, etc.) isn't left
   visible-but-broken until the foundation adds the rule upstream. */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* --------------------------------------------------------------------------
   Shared rhythm
   -------------------------------------------------------------------------- */
#eb-learn .eb-section { padding: 40px 16px; position: relative; }
#eb-learn .eb-sec-head { text-align: center; max-width: 560px; margin: 0 auto 28px; }
#eb-learn .eb-step {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.7rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.12em;
    color: var(--app-accent-ink, var(--accent-text));
    padding: 5px 13px; border-radius: var(--r-pill);
    background: var(--glass-bg); border: 1px solid var(--glass-border-hover);
    margin-bottom: 14px;
}
#eb-learn .eb-sec-head h2 { font-size: var(--fs-h2); font-weight: 700; line-height: 1.15; }
#eb-learn .eb-sec-head p { color: var(--text-2); margin-top: 10px; line-height: 1.55; }
#eb-learn .eb-dl-note { margin-top: 12px; font-size: 0.8rem; color: var(--text-3); text-align: center; }
#eb-learn .eb-subhead { font-size: var(--fs-lg); font-weight: 700; margin: 22px 0 6px; }
#eb-learn .eb-panel-intro { color: var(--text-2); font-size: 0.92rem; line-height: 1.55; margin-bottom: 16px; }

/* --------------------------------------------------------------------------
   Stat strip
   -------------------------------------------------------------------------- */
#eb-learn .eb-stats-section { padding-top: 8px; padding-bottom: 20px; }
#eb-learn .eb-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; padding: 20px; }
#eb-learn .eb-stat { text-align: center; padding: 4px; }
#eb-learn .eb-stat b {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 4.5vw, 1.9rem);
    font-weight: 700;
    background: var(--gradient-brand);
    -webkit-background-clip: text; background-clip: text; color: transparent;
    line-height: 1;
}
#eb-learn .eb-stat span {
    display: block; margin-top: 6px; font-size: 0.72rem; color: var(--text-3);
    text-transform: uppercase; letter-spacing: 0.05em;
}
@media (min-width: 520px) { #eb-learn .eb-stats { grid-template-columns: repeat(5, 1fr); } }

/* --------------------------------------------------------------------------
   Onboarding thread — iMessage phone
   -------------------------------------------------------------------------- */
#eb-learn .eb-thread-section { overflow: hidden; }
#eb-learn .eb-floaters { position: absolute; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
#eb-learn .eb-float {
    position: absolute; font-size: 2.2rem; opacity: 0.09;
    animation: eb-drift 14s ease-in-out infinite; filter: saturate(1.15);
}
@keyframes eb-drift {
    0%, 100% { transform: translateY(0) rotate(-6deg); }
    50% { transform: translateY(-22px) rotate(8deg); }
}
#eb-learn .eb-phone {
    position: relative; z-index: 1; max-width: 400px; margin: 0 auto;
    border-radius: 32px; padding: 10px;
    background: var(--glass-bg-strong); border: 1px solid var(--glass-border);
    -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow-card);
}
#eb-learn .eb-phone-inner { border-radius: 24px; background: var(--bg-1); overflow: hidden; border: 1px solid var(--glass-border); }
#eb-learn .eb-phone-head {
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    padding: 14px 16px 10px; border-bottom: 1px solid var(--glass-border);
    background: var(--glass-bg); position: relative;
}
#eb-learn .eb-avatar {
    width: 42px; height: 42px; border-radius: 50%;
    display: grid; place-items: center; font-size: 1.35rem;
    background: var(--gradient-brand); box-shadow: 0 4px 14px -4px rgba(0, 0, 0, 0.4);
}
#eb-learn .eb-phone-name { font-weight: 600; font-size: 0.92rem; color: var(--text-1); }
#eb-learn .eb-phone-status { font-size: 0.7rem; color: var(--text-3); }
#eb-learn .eb-thread { padding: 16px 12px 20px; display: flex; flex-direction: column; gap: 3px; }
#eb-learn .eb-caption { text-align: center; font-size: 0.8rem; color: var(--text-3); margin: 12px auto 8px; max-width: 280px; line-height: 1.45; }
#eb-learn .eb-caption:first-child { margin-top: 0; }
#eb-learn .eb-msg {
    display: flex; margin: 2px 0; opacity: 0; transform: translateY(14px) scale(0.92);
    transition: opacity var(--dur-3) var(--ease-out), transform var(--dur-3) var(--ease-spring);
}
#eb-learn .eb-msg.in { opacity: 1; transform: none; }
#eb-learn .eb-you { justify-content: flex-end; }
#eb-learn .eb-them { justify-content: flex-start; }
#eb-learn .eb-sys { justify-content: center; }
#eb-learn .eb-bubble { max-width: 78%; padding: 8px 13px; border-radius: 18px; font-size: 0.94rem; line-height: 1.35; position: relative; word-break: break-word; }
#eb-learn .eb-you .eb-bubble { background: linear-gradient(180deg, var(--eb-blue-1), var(--eb-blue-2)); color: #fff; border-bottom-right-radius: 5px; }
#eb-learn .eb-them .eb-bubble { background: var(--eb-them-bg); color: var(--eb-them-fg); border-bottom-left-radius: 5px; }
#eb-learn .eb-bubble.eb-team { font-size: 1.75rem; letter-spacing: 3px; padding: 9px 14px; }
#eb-learn .eb-bubble.eb-hit { font-size: 0.86rem; font-weight: 600; }
#eb-learn .eb-msg.eb-pop .eb-bubble { background: var(--gradient-cta); color: #fff; font-weight: 600; }
#eb-learn .eb-sys .eb-bubble { background: transparent; color: var(--text-3); font-size: 0.8rem; text-align: center; border: 1px dashed var(--glass-border-hover); border-radius: 14px; }
#eb-learn .eb-sys .eb-win-pill { color: var(--live-text); border-color: rgba(var(--eb-win), 0.5); font-weight: 600; }
#eb-learn .eb-tapback {
    position: absolute; top: -11px; left: -9px; background: var(--eb-them-bg); border-radius: 50%;
    width: 24px; height: 24px; display: grid; place-items: center; font-size: 0.76rem;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3); border: 1.5px solid var(--bg-1);
}
#eb-learn .eb-you .eb-tapback { left: auto; right: -9px; }
#eb-learn .eb-receipt { text-align: right; font-size: 0.65rem; color: var(--text-3); padding: 2px 6px 0; }
/* Example battles: picker, matchup strip (the board as each line reads), controls. */
#eb-learn .eb-battle-picks { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 0 auto 18px; max-width: 640px; }
#eb-learn .eb-battle-pick {
    min-height: 44px; padding: 8px 16px; border-radius: 999px; cursor: pointer; font: inherit; font-size: 0.86rem;
    color: var(--text-2); background: var(--bg-1); border: 1px solid var(--glass-border);
    transition: border-color var(--dur-2) ease, color var(--dur-2) ease, background var(--dur-2) ease;
}
#eb-learn .eb-battle-pick:hover { border-color: var(--glass-border-hover); color: var(--text-1); }
#eb-learn .eb-battle-pick.is-active { background: var(--app-accent, var(--gradient-cta)); color: #fff; border-color: transparent; font-weight: 600; }
#eb-learn .eb-battle-pick:focus-visible { outline: 2px solid var(--neon-1); outline-offset: 2px; }
#eb-learn .eb-strip { display: grid; grid-template-columns: 1fr auto 1fr; align-items: start; gap: 6px; padding: 10px 12px; border-bottom: 1px solid var(--glass-border); }
#eb-learn .eb-strip-side { display: flex; align-items: flex-end; gap: 4px; flex-wrap: wrap; }
#eb-learn .eb-strip-you { justify-content: flex-end; }
#eb-learn .eb-strip-who { width: 100%; font-size: 0.62rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-3); }
#eb-learn .eb-strip-you .eb-strip-who { text-align: right; }
#eb-learn .eb-strip-vs { font-size: 0.7rem; color: var(--text-3); align-self: center; }
#eb-learn .eb-strip-unit { display: flex; flex-direction: column; align-items: center; min-width: 30px; transition: opacity var(--dur-2) ease, filter var(--dur-2) ease; }
#eb-learn .eb-strip-g { font-size: 1.35rem; line-height: 1.1; }
#eb-learn .eb-strip-p { font-size: 0.66rem; font-weight: 600; color: var(--text-2); font-variant-numeric: tabular-nums; }
#eb-learn .eb-strip-unit.is-out { opacity: 0.32; filter: grayscale(1); }
#eb-learn .eb-battle-teach { margin: 12px auto 0; }
#eb-learn #eb-battle-thread { height: min(440px, 60vh); overflow-y: auto; overscroll-behavior: contain; }
#eb-learn .eb-battle-controls { display: flex; justify-content: center; gap: 10px; padding: 0 12px 16px; }
#eb-learn .eb-thread-note { text-align: center; color: var(--text-3); font-size: 0.86rem; line-height: 1.55; max-width: 440px; margin: 18px auto 0; }

/* --------------------------------------------------------------------------
   Rules — seven cards + the pentagram / exceptions reference card
   -------------------------------------------------------------------------- */
#eb-learn .eb-rules { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-bottom: 20px; }
#eb-learn .eb-rule { padding: 20px 18px; border-radius: var(--r-lg); }
#eb-learn .eb-rule .eb-rule-ico { font-size: 1.7rem; }
#eb-learn .eb-rule h3 { font-size: 1.05rem; font-weight: 700; margin: 10px 0 6px; }
#eb-learn .eb-rule p { color: var(--text-2); font-size: 0.9rem; line-height: 1.5; }
#eb-learn .eb-rule .eb-rule-n {
    font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em;
    color: var(--app-accent-ink, var(--accent-text)); text-transform: uppercase;
}
#eb-learn .eb-pentagram-card h3 { font-size: 1.05rem; margin-bottom: 10px; }
#eb-learn .eb-pentagram-card h3 + h3 { margin-top: 18px; }
#eb-learn .eb-pentagram-list,
#eb-learn .eb-exceptions-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
#eb-learn .eb-pentagram-list li,
#eb-learn .eb-exceptions-list li { font-size: 0.88rem; color: var(--text-2); line-height: 1.5; }
#eb-learn .eb-rule-note { font-size: 0.8rem; color: var(--text-3); margin: 6px 0 0; }

/* --------------------------------------------------------------------------
   Wiki tabs
   -------------------------------------------------------------------------- */
#eb-learn .eb-tabs {
    display: flex; gap: 8px; margin-bottom: 24px;
    overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none;
    padding-bottom: 2px;
}
#eb-learn .eb-tabs::-webkit-scrollbar { display: none; }
#eb-learn .eb-tab {
    flex: none;
    display: inline-flex; align-items: center; gap: 7px;
    padding: 9px 16px; border-radius: var(--r-pill);
    border: 1px solid var(--glass-border-hover); background: var(--glass-bg);
    color: var(--text-2); font-family: var(--font-body);
    font-size: 0.92rem; font-weight: 600; cursor: pointer;
    transition: background-color var(--dur-2) ease, color var(--dur-2) ease, border-color var(--dur-2) ease, transform var(--dur-2) var(--ease-out);
    min-height: 44px;
}
#eb-learn .eb-tab .eb-tab-e { font-size: 1.1rem; line-height: 1; }
#eb-learn .eb-tab em {
    font-style: normal; font-family: var(--font-mono); font-size: 0.66rem;
    padding: 2px 7px; border-radius: var(--r-pill);
    background: var(--bg-2); color: var(--text-3); border: 1px solid var(--glass-border);
}
#eb-learn .eb-tab:hover { color: var(--text-1); border-color: var(--app-accent, var(--neon-1)); }
#eb-learn .eb-tab.is-active {
    background: var(--app-accent, var(--gradient-cta)); color: #1a1033; border-color: transparent;
    box-shadow: var(--shadow-btn);
}
#eb-learn .eb-tab.is-active em { background: rgba(255, 255, 255, 0.35); color: #1a1033; border-color: transparent; }
#eb-learn .eb-panel[hidden] { display: none; }
#eb-learn .eb-panel { animation: eb-fade var(--dur-3) var(--ease-out); }
@keyframes eb-fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* --------------------------------------------------------------------------
   Elements panel — pentagon of 5 elements, 15 type satellites
   -------------------------------------------------------------------------- */
#eb-learn .eb-ring-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; align-items: start; }
@media (min-width: 760px) { #eb-learn .eb-ring-layout { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; } }
#eb-learn .eb-ring-stage { position: relative; width: 100%; max-width: 420px; margin: 0 auto; aspect-ratio: 1; }
#eb-learn #eb-elem-svg { width: 100%; height: 100%; overflow: visible; }
#eb-learn .eb-elem-hub-label { font-size: 11px; fill: var(--text-3); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.05em; }
#eb-learn .eb-elem-spoke { stroke: var(--glass-border); stroke-width: 1; fill: none; }

#eb-learn .eb-node { cursor: pointer; }
#eb-learn .eb-node-bg { fill: var(--glass-bg-strong); stroke: var(--glass-border-hover); stroke-width: 1.5; transition: fill var(--dur-2) ease, stroke var(--dur-2) ease, transform var(--dur-2) ease; }
#eb-learn .eb-node-glyph { font-size: 20px; pointer-events: none; }
#eb-learn .eb-node:hover .eb-node-bg,
#eb-learn .eb-node:focus-visible .eb-node-bg { stroke: var(--app-accent, var(--neon-1)); }
#eb-learn .eb-node:focus { outline: none; }
#eb-learn .eb-node.is-sel .eb-node-bg { fill: var(--app-accent, var(--neon-1)); stroke: #fff; stroke-width: 2; transform: scale(1.18); transform-box: fill-box; transform-origin: center; }
#eb-learn .eb-node.is-beat .eb-node-bg { fill: rgba(var(--eb-win), 0.22); stroke: rgb(var(--eb-win)); stroke-width: 2; }
#eb-learn .eb-node.is-lose .eb-node-bg { fill: rgba(var(--eb-lose), 0.14); stroke: rgb(var(--eb-lose)); stroke-dasharray: 3 2; }
#eb-learn .eb-node.is-neutral .eb-node-bg { fill: var(--glass-bg); stroke: rgb(var(--eb-neutral)); stroke-dasharray: 1 3; }

#eb-learn .eb-ring-copy h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
#eb-learn .eb-ring-copy p { color: var(--text-2); line-height: 1.55; margin-bottom: 12px; }
#eb-learn .eb-elem-result { display: grid; gap: 10px; margin-bottom: 14px; }
#eb-learn .eb-elem-result-group { padding: 10px 12px; border-radius: var(--r-md); background: var(--glass-bg); border: 1px solid var(--glass-border); }
#eb-learn .eb-elem-result-group h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 4px; display: flex; align-items: center; gap: 6px; }
#eb-learn .eb-elem-result-group p { font-size: 0.86rem; color: var(--text-2); margin: 0; line-height: 1.5; }
#eb-learn .eb-elem-result-group.is-beat h4,
#eb-learn .eb-elem-result-group.is-lose h4 { color: var(--text-1); }
#eb-learn .eb-elem-result-group.is-neutral h4 { color: var(--text-3); }
#eb-learn .eb-legend { display: flex; gap: 16px; font-size: 0.82rem; color: var(--text-3); margin-top: 4px; flex-wrap: wrap; }
#eb-learn .eb-legend span { display: inline-flex; align-items: center; gap: 6px; }
#eb-learn .eb-win-dot, #eb-learn .eb-lose-dot, #eb-learn .eb-neutral-dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
#eb-learn .eb-win-dot { background: rgb(var(--eb-win)); }
#eb-learn .eb-lose-dot { background: rgb(var(--eb-lose)); border: 1.5px dashed rgba(var(--eb-lose), 0.8); background-clip: padding-box; }
#eb-learn .eb-neutral-dot { background: transparent; border: 1.5px dotted rgb(var(--eb-neutral)); }

/* --------------------------------------------------------------------------
   Codex — shared toolbar, grids, cards (specials / traps / combos)
   -------------------------------------------------------------------------- */
#eb-learn .eb-toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; margin-bottom: 18px; }
#eb-learn .eb-search { flex: 1 1 220px; display: flex; align-items: center; gap: 8px; padding: 9px 14px; border-radius: var(--r-pill); background: var(--glass-bg); border: 1px solid var(--glass-border-hover); }
#eb-learn .eb-search input { flex: 1; border: none; background: transparent; outline: none; color: var(--text-1); font-family: var(--font-body); font-size: 0.92rem; min-width: 0; }
#eb-learn .eb-search input::placeholder { color: var(--text-3); }
#eb-learn .eb-search .eb-mag { opacity: 0.6; }
#eb-learn .eb-filters { display: flex; flex-wrap: wrap; gap: 6px; }
#eb-learn .eb-filters button {
    padding: 6px 13px; border-radius: var(--r-pill); border: 1px solid var(--glass-border-hover);
    background: var(--glass-bg); color: var(--text-2); font-family: var(--font-body);
    font-size: 0.8rem; font-weight: 500; cursor: pointer; transition: all var(--dur-2) ease;
    min-height: 32px;
}
#eb-learn .eb-filters button:hover { color: var(--text-1); border-color: var(--app-accent, var(--neon-1)); }
#eb-learn .eb-filters button.is-active { background: var(--app-accent, var(--gradient-cta)); color: #1a1033; border-color: transparent; }
#eb-learn .eb-count { font-size: 0.8rem; color: var(--text-3); font-family: var(--font-mono); margin-bottom: 14px; }

#eb-learn .eb-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
#eb-learn .eb-card {
    padding: 14px 14px 16px; border-radius: var(--r-lg); background: var(--glass-bg); border: 1px solid var(--glass-border);
    position: relative; transition: transform var(--dur-2) var(--ease-out), border-color var(--dur-2) ease, box-shadow var(--dur-2) ease;
    content-visibility: auto; contain-intrinsic-size: auto 160px;
}
#eb-learn .eb-card:hover { transform: translateY(-2px); border-color: var(--glass-border-hover); box-shadow: var(--shadow-card); }
#eb-learn .eb-card h4 { font-size: 0.96rem; font-weight: 700; margin: 8px 0 5px; color: var(--text-1); }
#eb-learn .eb-card p { font-size: 0.84rem; color: var(--text-2); line-height: 1.5; margin: 0; }
#eb-learn .eb-card.hidden { display: none; }

#eb-learn .eb-combo-recipe { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
#eb-learn .eb-glyph { font-size: 1.55rem; line-height: 1; }
#eb-learn .eb-arrow, #eb-learn .eb-plus { color: var(--text-3); font-weight: 600; font-size: 0.88rem; }
#eb-learn .eb-order-tag,
#eb-learn .eb-type-tag {
    margin-left: auto; font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--app-accent-ink, var(--accent-text)); border: 1px solid var(--glass-border-hover); border-radius: 6px; padding: 2px 6px;
}
#eb-learn .eb-order-tag + .eb-type-tag { margin-left: 6px; }

#eb-learn .eb-special { display: flex; flex-direction: column; }
#eb-learn .eb-sp-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
#eb-learn .eb-sp-emoji { font-size: 1.7rem; line-height: 1; width: 42px; height: 42px; border-radius: var(--r-sm); display: grid; place-items: center; background: var(--bg-2); border: 1px solid var(--glass-border); }
#eb-learn .eb-special h4 { margin-top: 10px; }

#eb-learn .eb-timing { display: inline-block; font-size: 0.64rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; padding: 3px 9px; border-radius: var(--r-pill); border: 1px solid transparent; }
#eb-learn .eb-t-onPlay    { color: #16a34a; background: rgba(34, 197, 94, 0.14); border-color: rgba(34, 197, 94, 0.3); }
#eb-learn .eb-t-before    { color: #0284c7; background: rgba(56, 189, 248, 0.16); border-color: rgba(56, 189, 248, 0.32); }
#eb-learn .eb-t-during    { color: #7c3aed; background: rgba(167, 139, 250, 0.18); border-color: rgba(167, 139, 250, 0.35); }
#eb-learn .eb-t-after     { color: #c2410c; background: rgba(251, 146, 60, 0.16); border-color: rgba(251, 146, 60, 0.32); }
#eb-learn .eb-t-onDefeat  { color: #be123c; background: rgba(244, 63, 94, 0.14); border-color: rgba(244, 63, 94, 0.3); }
#eb-learn .eb-t-onTurnEnd { color: #a16207; background: rgba(234, 179, 8, 0.16); border-color: rgba(234, 179, 8, 0.34); }
#eb-learn .eb-t-trap      { color: #fff; background: rgb(var(--eb-lose)); border-color: transparent; }

/* --------------------------------------------------------------------------
   Traps panel — grouped by trigger
   -------------------------------------------------------------------------- */
#eb-learn .eb-trap-group { margin-bottom: 22px; }
#eb-learn .eb-trap-group:last-child { margin-bottom: 0; }
#eb-learn .eb-trap-trigger {
    font-size: 0.9rem; font-weight: 700; margin-bottom: 10px;
    display: inline-flex; align-items: center; gap: 8px;
    padding: 4px 12px 4px 4px; color: var(--text-1);
}
#eb-learn .eb-trap-trigger::before { content: "\26A0\FE0F"; font-size: 0.9em; }
#eb-learn .eb-t-trap-card { border-color: rgba(var(--eb-lose), 0.3); }

/* --------------------------------------------------------------------------
   Combos fallback + secrets teaser
   -------------------------------------------------------------------------- */
#eb-learn .eb-combos-fallback { list-style: none; margin: 0 0 16px; padding: 0; display: flex; flex-direction: column; gap: 8px; }
#eb-learn .eb-combos-fallback li { font-size: 0.86rem; color: var(--text-2); line-height: 1.5; padding: 10px 12px; border-radius: var(--r-md); background: var(--glass-bg); border: 1px solid var(--glass-border); }
#eb-learn .eb-combos-fallback strong { color: var(--text-1); }
#eb-learn .eb-secrets-teaser { display: flex; align-items: center; gap: 14px; margin-top: 18px; }
#eb-learn .eb-secrets-glyph { font-size: 1.8rem; flex: none; }
#eb-learn .eb-secrets-teaser p { margin: 0; font-size: 0.88rem; color: var(--text-2); line-height: 1.5; }
#eb-learn .eb-secrets-teaser strong { color: var(--text-1); }
#eb-learn #eb-combos-more { display: block; margin: 6px auto 0; }

/* --------------------------------------------------------------------------
   Natural enemies + food chain
   -------------------------------------------------------------------------- */
#eb-learn .eb-enemies-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 10px; }
#eb-learn .eb-enemy-pair { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--r-md); background: var(--glass-bg); border: 1px solid var(--glass-border); }
#eb-learn .eb-enemy-glyphs { font-size: 1.5rem; line-height: 1; flex: none; display: inline-flex; align-items: center; gap: 6px; }
#eb-learn .eb-enemy-arrow { color: var(--text-3); font-size: 1rem; }
#eb-learn .eb-enemy-note { font-size: 0.82rem; color: var(--text-2); line-height: 1.4; }
#eb-learn .eb-foodchain { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 8px; }
#eb-learn .eb-foodchain li { font-size: 0.88rem; color: var(--text-2); line-height: 1.5; }

/* --------------------------------------------------------------------------
   Game modes
   -------------------------------------------------------------------------- */
#eb-learn .eb-modes-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
#eb-learn .eb-modes-grid li { display: flex; flex-direction: column; gap: 6px; }
#eb-learn .eb-mode-glyph { font-size: 1.7rem; }
#eb-learn .eb-modes-grid h4 { font-size: 0.94rem; font-weight: 700; margin: 0; color: var(--text-1); }
#eb-learn .eb-modes-grid p { font-size: 0.84rem; color: var(--text-2); margin: 0; line-height: 1.5; }

/* --------------------------------------------------------------------------
   Play-a-round battle simulator
   -------------------------------------------------------------------------- */
#eb-learn .eb-sim { padding: 22px; border-radius: var(--r-lg); }
#eb-learn #eb-sim-draft.is-done { opacity: 0.5; pointer-events: none; filter: grayscale(0.3); transition: opacity var(--dur-3) ease; }
#eb-learn .eb-sim-vs { display: grid; grid-template-columns: 1fr auto 1fr; gap: 14px; align-items: center; margin-bottom: 22px; }
#eb-learn .eb-sim-side { display: flex; flex-direction: column; gap: 10px; align-items: center; }
#eb-learn .eb-sim-vs-mark { font-family: var(--font-display); font-weight: 700; color: var(--text-3); font-size: 1.1rem; }
#eb-learn .eb-sim-label { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-3); text-align: center; display: block; }
#eb-learn .eb-team-slots { display: flex; gap: 8px; justify-content: center; }
#eb-learn .eb-slot {
    width: 54px; height: 62px; border-radius: var(--r-md); display: flex; flex-direction: column; align-items: center; justify-content: center;
    border: 1.5px dashed var(--glass-border-hover); color: var(--text-3); font-family: var(--font-mono);
    position: relative; cursor: pointer; transition: transform var(--dur-1) ease, border-color var(--dur-2) ease;
}
#eb-learn .eb-slot.filled { border-style: solid; border-color: var(--app-accent, var(--neon-1)); background: var(--glass-bg); }
#eb-learn .eb-slot.filled:hover { transform: translateY(-2px); }
#eb-learn .eb-fchip { display: inline-flex; flex-direction: column; align-items: center; gap: 2px; padding: 7px 9px; border-radius: var(--r-md); background: var(--glass-bg); border: 1px solid var(--glass-border-hover); font-family: var(--font-body); color: var(--text-1); }
#eb-learn .eb-fchip-e { font-size: 1.55rem; line-height: 1; }
#eb-learn .eb-fchip-p { font-family: var(--font-mono); font-size: 0.7rem; font-weight: 600; color: var(--text-2); }
#eb-learn .eb-fchip-meta { font-size: 0.64rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--text-3); display: flex; align-items: center; gap: 5px; }
#eb-learn .eb-fchip-meta b { font-family: var(--font-mono); color: var(--app-accent-ink, var(--accent-text)); font-size: 0.76rem; }
#eb-learn .eb-front {
    position: absolute; top: -8px; left: 50%; transform: translateX(-50%);
    font-size: 0.54rem; text-transform: uppercase; letter-spacing: 0.05em;
    background: var(--gradient-cta); color: #fff; border-radius: var(--r-pill); padding: 1px 7px;
}
#eb-learn .eb-roster { display: grid; grid-template-columns: repeat(auto-fit, minmax(72px, 1fr)); gap: 8px; margin: 10px 0 20px; }
#eb-learn button.eb-fchip { cursor: pointer; transition: transform var(--dur-1) ease, border-color var(--dur-2) ease, box-shadow var(--dur-2) ease; min-height: 44px; }
#eb-learn button.eb-fchip:hover { transform: translateY(-2px); border-color: var(--app-accent, var(--neon-1)); }
#eb-learn button.eb-fchip.is-picked { border-color: transparent; background: var(--app-accent, var(--gradient-cta)); box-shadow: var(--shadow-btn); }
#eb-learn button.eb-fchip.is-picked .eb-fchip-p,
#eb-learn button.eb-fchip.is-picked .eb-fchip-meta,
#eb-learn button.eb-fchip.is-picked .eb-fchip-meta b { color: #1a1033; }
#eb-learn .eb-sim-actions { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
#eb-learn .eb-sim-hint { color: var(--text-3); font-size: 0.86rem; flex: 1 1 200px; }
#eb-learn #eb-sim-go:disabled { opacity: 0.45; cursor: not-allowed; filter: grayscale(0.4); }
#eb-learn .eb-sim-log { display: flex; flex-direction: column; gap: 3px; margin-top: 20px; }
#eb-learn .eb-sim-log .eb-bubble.eb-hit { font-size: 0.88rem; }
#eb-learn .eb-sim-outro { margin-top: 22px; text-align: center; opacity: 0; transform: translateY(10px); transition: opacity var(--dur-3) ease, transform var(--dur-3) var(--ease-out); }
#eb-learn .eb-sim-outro.in { opacity: 1; transform: none; }
#eb-learn .eb-sim-verdict { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.25rem, 4vw, 1.6rem); margin-bottom: 8px; }
#eb-learn .eb-sim-outro p { color: var(--text-2); max-width: 440px; margin: 0 auto 16px; line-height: 1.55; }
#eb-learn .eb-sim-outro .eb-final-cta { margin-top: 0; display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
@media (max-width: 480px) {
    #eb-learn .eb-sim-vs { grid-template-columns: 1fr; }
    #eb-learn .eb-sim-actions { flex-direction: column; align-items: stretch; }
    #eb-learn #eb-sim-go { width: 100%; }
}

/* --------------------------------------------------------------------------
   What-changed card + final CTA
   -------------------------------------------------------------------------- */
#eb-learn .eb-changed-card ul { margin: 12px 0 0; padding-left: 20px; display: flex; flex-direction: column; gap: 8px; }
#eb-learn .eb-changed-card li { font-size: 0.9rem; color: var(--text-2); line-height: 1.5; }
#eb-learn .eb-changed-card strong { color: var(--text-1); }
#eb-learn .eb-changed-links { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 16px; }
#eb-learn .eb-changed-links a { font-size: 0.88rem; font-weight: 600; color: var(--app-accent-ink, var(--accent-text)); }

#eb-learn .eb-final-section { padding-top: 8px; padding-bottom: 32px; text-align: center; }
#eb-learn .eb-final-badge { margin: 0 auto 14px; width: 60px; height: 60px; font-size: 1.8rem; display: grid; place-items: center; border-radius: 50%; background: var(--gradient-brand); }
#eb-learn .eb-final h2 { font-size: var(--fs-h2); font-weight: 700; }
#eb-learn .eb-final > p { color: var(--text-2); line-height: 1.55; max-width: 440px; margin: 10px auto 0; }
#eb-learn .eb-final-cta { display: flex; justify-content: center; margin-top: 20px; }

/* --------------------------------------------------------------------------
   Reveal-on-scroll (data-reveal / data-reveal-children — scripts.js toggles
   .is-revealed; this file only supplies the motion-safe transition)
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
    html.js-ready #eb-learn [data-reveal],
    html.js-ready #eb-learn [data-reveal-children] > * {
        opacity: 0; transform: translateY(16px);
        transition: opacity var(--dur-3) var(--ease-out), transform var(--dur-3) var(--ease-out);
    }
    html.js-ready #eb-learn [data-reveal].is-revealed,
    html.js-ready #eb-learn [data-reveal-children].is-revealed > * { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   Reduced motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    #eb-learn .eb-float { animation: none; }
    #eb-learn .eb-msg { opacity: 1; transform: none; transition: none; }
    #eb-learn .eb-panel { animation: none; }
    #eb-learn .eb-sim-outro { transition: opacity 0.01s linear; }
}
html[data-motion="reduce"] #eb-learn .eb-float { animation: none; }
html[data-motion="reduce"] #eb-learn .eb-msg { opacity: 1; transform: none; transition: none; }
html[data-motion="reduce"] #eb-learn .eb-panel { animation: none; }