/* Your first point: one persistent table, a camera that frames each moment,
   and a single lesson rail. The table is always dark, like a playmat under a lamp. */
@property --cam-x{syntax:'<length>';inherits:true;initial-value:0px}
@property --cam-y{syntax:'<length>';inherits:true;initial-value:0px}
@property --cam-s{syntax:'<number>';inherits:true;initial-value:1}

.tb-page{
  --tb-bg:#0a0e0f;--tb-panel:#0e1314;--tb-ink:#f2f1ea;--tb-soft:#cfd8d8;--tb-muted:#98a8aa;--tb-line:#253235;
  --tb-ac:#3ee0e7;--tb-ac-ink:#051214;--tb-gold:#f2c46d;--tb-warn:#f3a86f;--tb-fury:#ea796a;--tb-chaos:#c291ef;
  --st-ink:#eef3f1;--st-muted:#8fa3a5;--st-line:#27434a;--st-ac:#3ee0e7;
  margin:0;height:100dvh;display:grid;grid-template-rows:auto minmax(0,1fr);background:var(--tb-bg);color:var(--tb-ink);font:400 16px/1.5 var(--body);overflow:hidden;max-width:none
}
:root[data-theme=light] .tb-page{--tb-bg:#f4f4ef;--tb-panel:#fafaf6;--tb-ink:#151514;--tb-soft:#34383a;--tb-muted:#5b6264;--tb-line:#d9dbd5;--tb-ac:#007d88;--tb-ac-ink:#fff;--tb-warn:#a8520f}
.tb-page *{box-sizing:border-box}
.tb-page button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent}
.tb-page button:disabled{cursor:default}
.tb-page a{color:inherit}
.tb-page :focus-visible{outline:3px solid var(--tb-ac);outline-offset:4px}
/* The title takes focus only so screen readers announce the new step; it is not a control. */
.tb-page #tb-title:focus{outline:none}
.tb-page p{max-width:none}

/* ---------- Header ---------- */
.tb-header{display:flex;align-items:center;gap:14px;height:60px;padding:0 20px 0 24px;border-bottom:1px solid var(--tb-line);background:var(--tb-bg);position:relative;z-index:5}
.tb-brand{font:700 28px/1 var(--head);letter-spacing:-.03em;white-space:nowrap;text-decoration:none;margin-right:10px}
.tb-brand span{color:var(--tb-ac)}
.tb-crumb{font-size:14px;color:var(--tb-muted);text-decoration:none}
.tb-crumb:hover{color:var(--tb-ink)}
.tb-crumb-sep{color:var(--tb-ac)}
.tb-crumbs{display:contents}.tb-read{margin-left:6px;text-decoration:underline;text-underline-offset:3px}
.tb-lesson-name{font-size:14px;white-space:nowrap}
.tb-progress{display:flex;gap:6px;list-style:none;margin:0 auto;padding:0 24px;flex:1;max-width:720px}
.tb-progress li{flex:1;min-width:0}
.tb-progress button{display:block;width:100%;border:0;background:none;padding:8px 0;text-align:left}
.tb-chapter-bar{display:block;height:3px;border-radius:2px;background:var(--tb-line);overflow:hidden}
.tb-chapter-bar span{display:block;height:100%;background:var(--tb-ac);transform-origin:left;transform:scaleX(0);transition:transform .6s cubic-bezier(.2,.8,.2,1)}
.tb-chapter-name{display:block;margin-top:7px;font-size:13px;color:var(--tb-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-chapter-name b{font:500 12px var(--mono);margin-right:7px;opacity:.7}
.tb-progress .is-current .tb-chapter-name{color:var(--tb-ink)}
.tb-progress .is-done .tb-chapter-name{color:var(--tb-soft)}
.tb-progress button:hover .tb-chapter-name{color:var(--tb-ink)}
.tb-menu{border:1px solid var(--tb-line);background:none;border-radius:0;min-height:44px;padding:0 14px;font-size:14px;white-space:nowrap}
.tb-menu:hover{border-color:var(--tb-muted)}

/* ---------- App frame ---------- */
.tb-app{display:grid;grid-template-columns:minmax(0,1fr) clamp(360px,30vw,440px);min-height:0}
.tb-stage{position:relative;overflow:hidden;min-height:0;background:radial-gradient(120% 90% at 50% 40%,#0f1b1d 0%,#070a0b 70%);isolation:isolate;touch-action:manipulation}
.tb-camera{position:absolute;left:0;top:0;transform-origin:0 0;transform:translate(var(--cam-x),var(--cam-y)) scale(var(--cam-s));transition:--cam-x var(--cam-ms,1.1s) cubic-bezier(.65,0,.25,1),--cam-y var(--cam-ms,1.1s) cubic-bezier(.65,0,.25,1),--cam-s var(--cam-ms,1.1s) cubic-bezier(.65,0,.25,1);will-change:transform}
.tb-camera.is-instant,.tb-camera.is-instant .tb-zone-label{transition:none}
.tb-world{position:relative;color:var(--st-ink);--label:calc(13px / var(--cam-s))}

/* The mat: printed zones, no fake game state. */
.tb-mat{position:absolute;inset:0;border-radius:40px;background:
  radial-gradient(60% 34% at 50% 31%,#1d3a3e55 0%,transparent 70%),
  radial-gradient(90% 70% at 50% 55%,#132427 0%,#0e191b 60%,#0b1314 100%);
  box-shadow:inset 0 0 0 2px #1d3438,inset 0 0 120px #00000080,0 50px 140px #000c}
.tb-mat:before{content:'';position:absolute;left:40px;right:40px;top:676px;height:1px;background:linear-gradient(90deg,transparent,#2c4c52 20%,#2c4c52 80%,transparent)}
.tb-zone{position:absolute;border:1.5px solid #ffffff14;border-radius:16px;background:#ffffff04;transition:border-color .5s,background .5s,opacity .5s}
.tb-zone-label{position:absolute;left:calc(14px / var(--cam-s) * .9);top:calc(10px / var(--cam-s) * .9);font:500 var(--label)/1.2 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--st-muted);white-space:nowrap;transform:translate(var(--label-dx,0px),var(--label-dy,0px));transition:transform var(--cam-ms,1.1s) cubic-bezier(.65,0,.25,1),opacity .4s}
.tb-world .tb-zone .tb-zone-label.is-covered{opacity:0}
.tb-zone-opponent{border-style:dashed;background:transparent}
.tb-zone-field,.tb-zone-otherField{border-color:transparent;background:transparent}
.tb-zone-chain{opacity:0;border-style:dashed;border-color:#3ee0e755}
.show-chain .tb-zone-chain{opacity:1}
.tb-zone-hand{border-color:transparent;background:linear-gradient(#ffffff05,transparent)}
.tb-zone-hint{position:absolute;inset:0;display:grid;place-items:center;text-align:center;font:500 var(--label) var(--mono);color:var(--st-ac);opacity:0;transition:opacity .4s}
.tb-zone.is-target{border-color:var(--st-ac);border-style:dashed;background:#3ee0e70d;animation:tb-breathe 1.8s ease-in-out infinite}
.tb-zone.is-target .tb-zone-hint{opacity:1}
/* Zoomed far out, printed zone labels would collide. The cards carry the picture. */
.is-far .tb-zone-label,.is-far .tb-deck-count{opacity:0}
.is-far .tb-zone-opponent .tb-zone-label{opacity:1}
.tb-zone-label,.tb-deck-count{transition:opacity .4s}

/* Battlefields */
.tb-field{position:absolute;border-radius:20px;border:1.5px solid #ffffff1c;background:radial-gradient(80% 60% at 50% 35%,#ffffff0a,transparent 70%);transition:border-color .6s,background .6s,box-shadow .6s}
.tb-field-card{position:absolute;padding:0;border:0;background:none;border-radius:10px;transition:transform .3s,box-shadow .3s;box-shadow:0 10px 26px #0009}
.tb-field-card img{display:block;width:100%;height:100%;border-radius:10px}
.tb-control{position:absolute;left:50%;top:0;transform:translate(-50%,-50%);font:500 var(--label)/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;color:var(--st-ac);background:#0b1517;border:1.5px solid currentColor;border-radius:999px;padding:.55em .9em;transition:opacity .4s}
.tb-control:empty{opacity:0;padding:0;border:0}
.tb-field[data-control=contested]{border-color:#3ee0e7aa;border-style:dashed;background:radial-gradient(80% 60% at 50% 60%,#3ee0e712,transparent 70%)}
.tb-field[data-control=you]{border-color:var(--st-ac);border-style:solid;background:radial-gradient(90% 70% at 50% 60%,#3ee0e726,#3ee0e708 70%);box-shadow:0 0 0 1px #3ee0e755,0 0 60px #3ee0e722,inset 0 0 50px #3ee0e71a}
.tb-field[data-control=you] .tb-control{color:var(--tb-gold)}
.tb-field.is-target{border-color:var(--st-ac);animation:tb-breathe 1.6s ease-in-out infinite}
.tb-field.is-target .tb-field-card{cursor:pointer}
.tb-field.is-target .tb-field-card:hover{transform:translateY(-6px);box-shadow:0 0 0 4px var(--st-ac),0 20px 40px #000a}
.tb-burst{position:absolute;left:50%;top:var(--card-y,27%);width:10px;height:10px;margin:-5px;border-radius:50%;border:3px solid var(--tb-gold);opacity:0;pointer-events:none}
.tb-burst.is-on{animation:tb-burst 1.3s cubic-bezier(.1,.7,.2,1) forwards}
.tb-stamp{position:absolute;left:50%;top:var(--card-y,27%);display:flex;flex-direction:column;align-items:center;transform:translate(-50%,-50%) scale(.4);opacity:0;pointer-events:none;z-index:30;filter:drop-shadow(0 6px 18px #000)}
.tb-stamp strong{font:800 118px/0.9 var(--head);color:var(--tb-gold);text-shadow:0 0 40px #f2c46d88}
.tb-stamp span{font:700 30px/1 var(--head);letter-spacing:.14em;text-transform:uppercase;color:#fff;background:#0a0e0fcc;padding:6px 14px;border-radius:6px}
.tb-stamp.is-on{animation:tb-stamp 1.2s cubic-bezier(.2,.9,.3,1.2) forwards}

/* Decks */
.tb-deck{position:absolute}
.tb-deck-hit{position:absolute;inset:0;padding:0;border:0;background:none;border-radius:9px}
.tb-deck-layer{position:absolute;inset:0;border-radius:9px;background:#10292d;border:1.5px solid #2c5f64;transform:translate(7px,7px)}
.tb-deck-layer+.tb-deck-layer{transform:translate(3.5px,3.5px)}
.is-rune .tb-deck-layer{background:#211c33;border-color:#4d4378}
.tb-deck .tb-back{position:absolute;inset:0;transform:none;visibility:visible}
.tb-deck-count{position:absolute;left:50%;top:calc(100% + 18px);transform:translateX(-50%);font-size:var(--label);color:var(--st-muted);white-space:nowrap}
.tb-deck.is-target .tb-deck-hit>*{animation:tb-lift 1.6s ease-in-out infinite}
.tb-deck.is-target .tb-deck-hit:after{content:'';position:absolute;inset:-9px;border:3px solid var(--st-ac);border-radius:14px;animation:tb-ring 1.6s ease-in-out infinite}

/* Card backs are Riftwatch sleeves, not an official card back. */
.tb-back{display:grid;place-items:center;border-radius:9px;border:2px solid #2f6f74;background:
  radial-gradient(70% 50% at 50% 50%,#1f4a4f 0%,transparent 70%),
  repeating-linear-gradient(135deg,#123136 0 2px,#0c2226 2px 13px);box-shadow:inset 0 0 0 6px #0c2226,inset 0 0 0 7.5px #2f6f7488}
.tb-back.rune{border-color:#584b8e;background:radial-gradient(70% 50% at 50% 50%,#3a3163 0%,transparent 70%),repeating-linear-gradient(135deg,#231d3a 0 2px,#18142a 2px 13px);box-shadow:inset 0 0 0 6px #18142a,inset 0 0 0 7.5px #584b8e88}
.tb-back-mark{font:800 40px/1 var(--head);letter-spacing:-.04em;color:#8fe6e0;opacity:.85}
.tb-back.rune .tb-back-mark{font:400 44px/1 var(--body);color:#c8bdf5}

/* ---------- Pieces ---------- */
.tb-piece{position:absolute;left:0;top:0;transform-origin:50% 50%;will-change:transform;transition:opacity .45s}
.tb-piece.is-gone{opacity:0;pointer-events:none}
.tb-piece{perspective:900px}
.tb-hit{transition:transform .35s cubic-bezier(.2,.8,.2,1)}
.tb-front:after{content:'';position:absolute;inset:0;border-radius:inherit;background:radial-gradient(circle at var(--gx,50%) var(--gy,30%),#ffffff38,transparent 50%);opacity:0;transition:opacity .35s;pointer-events:none;mix-blend-mode:screen}
.tb-hit:hover .tb-front:after{opacity:1}
.tb-hit{position:absolute;inset:0;padding:0;border:0;background:none;border-radius:9px;perspective:1400px;cursor:default}
.tb-hit[data-card],.tb-hit[data-action]{cursor:pointer}
.is-down .tb-hit{cursor:default}
.tb-piece.is-down{pointer-events:none}
.tb-inner{position:relative;display:block;width:100%;height:100%;transform-style:preserve-3d;transition:transform .7s cubic-bezier(.3,.7,.2,1)}
.is-down .tb-inner{transform:rotateY(180deg)}
.tb-front,.tb-back{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:9px}
/* Faces also swap visibility, so a browser that flattens 3D still shows the right face at rest.
   The face turning toward you appears at once; the one turning away hides after the flip. */
.tb-back{transform:rotateY(180deg);visibility:hidden;transition:visibility 0s linear calc(var(--tb-flip-delay,0ms) + .7s)}
.is-down .tb-back{visibility:visible;transition:visibility 0s}
.tb-front{box-shadow:0 8px 18px #000a,0 1px 0 #ffffff14 inset;transition:box-shadow .4s,visibility 0s}
.is-down .tb-front{visibility:hidden;transition:box-shadow .4s,visibility 0s linear calc(var(--tb-flip-delay,0ms) + .7s)}
.tb-front img{display:block;width:100%;height:100%;border-radius:9px;object-fit:cover;user-select:none}
.tb-front-unknown{background:#132226}
.is-rune .tb-front,.is-rune .tb-front img,.is-rune .tb-back{border-radius:7px}
.is-moving .tb-front,.is-moving .tb-back{box-shadow:0 30px 50px #000c}
.is-lift .tb-front{box-shadow:0 34px 70px #000e,0 0 0 1px #ffffff1a}
.tb-hit[data-action]:hover .tb-front{box-shadow:0 0 0 3px var(--st-ac),0 18px 36px #000b}
.tb-piece.is-target .tb-hit:after{content:'';position:absolute;inset:-8px;border:3px solid var(--st-ac);border-radius:14px;animation:tb-ring 1.6s ease-in-out infinite;pointer-events:none}
.tb-piece.is-rune.is-target .tb-hit:after{border-radius:12px}
.tb-piece[data-state=selected] .tb-front{box-shadow:0 0 0 4px var(--st-ac),0 0 40px #3ee0e766,0 24px 40px #000b}
.tb-piece[data-state=on-chain] .tb-front{box-shadow:0 0 0 3px #3ee0e7aa,0 0 50px #3ee0e744,0 20px 40px #000b}
.tb-piece[data-state=wrong] .tb-front{box-shadow:0 0 0 4px var(--tb-warn),0 20px 40px #000b}
.tb-piece[data-state=question] .tb-front{box-shadow:0 0 0 3px #ffffff30,0 20px 40px #000b}
.tb-piece.is-rune:not(.is-exhausted):not(.is-down) .tb-front{box-shadow:0 0 22px #3ee0e71f,0 8px 18px #000a}
.tb-piece.is-rune.is-exhausted .tb-front img{filter:saturate(.55) brightness(.72)}
.tb-caption{position:absolute;transform:translateX(-50%);display:flex;gap:.6em;align-items:center;font-size:calc(14px / var(--cam-s));color:var(--st-ink);white-space:nowrap;opacity:0;transition:opacity .4s,left .7s cubic-bezier(.3,.7,.2,1),top .7s cubic-bezier(.3,.7,.2,1);pointer-events:none;z-index:45}
.tb-caption.is-on{opacity:1}
.tb-caption b{font:500 var(--label)/1 var(--mono);color:var(--tb-ac-ink);background:var(--st-ac);padding:.35em .55em;border-radius:4px;letter-spacing:.06em}

/* Legend domains and the Skulker anatomy hotspots, measured on the official faces. */
.tb-domain{position:absolute;left:12.7%;width:15.5%;aspect-ratio:1;margin-left:-7.75%;border-radius:50%;border:3px solid var(--st-ac);box-shadow:0 0 0 6px #3ee0e733,0 0 24px #3ee0e7aa;opacity:0;transform:scale(1.6);transition:opacity .5s,transform .6s cubic-bezier(.2,.9,.3,1.3);pointer-events:none}
.tb-domain.one{top:1.3%}.tb-domain.two{top:12.2%}
.tb-domain.two{transition-delay:.12s}
[data-state=domains] .tb-domain{opacity:1;transform:none}
.tb-hot{position:absolute;top:1.2%;width:17%;aspect-ratio:1;padding:0;border-radius:50%;border:2px solid transparent;background:none;opacity:0;pointer-events:none;transition:opacity .4s}
.tb-hot-cost{left:1.3%}
.tb-hot-might{right:1.3%;border-radius:10px}
.tb-hot span{position:absolute;left:50%;top:calc(100% + 6px);transform:translateX(-50%);font:600 7px/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;color:var(--tb-ac-ink);background:var(--st-ac);padding:3px 5px;border-radius:3px;opacity:0;transition:opacity .3s}
.tb-hot-might span{background:var(--tb-gold)}
[data-state=anatomy] .tb-hot,[data-state=cost-known] .tb-hot{opacity:1;pointer-events:auto}
[data-state=anatomy] .tb-hot-cost{border-color:var(--st-ac)}
[data-state=anatomy] .tb-hot-cost:after{content:'';position:absolute;inset:-6px;border-radius:50%;border:2px solid var(--st-ac);animation:tb-ring 1.6s ease-in-out infinite}
[data-state=anatomy] .tb-hot-might{border-color:#f2c46d55}
[data-state=cost-known] .tb-hot-cost{border-color:var(--st-ac);box-shadow:0 0 0 4px #3ee0e733,0 0 20px #3ee0e7aa}
[data-state=cost-known] .tb-hot-might{border-color:var(--tb-gold)}
[data-state=cost-known] .tb-hot span{opacity:1}

.tb-scrim{position:absolute;inset:-400px;background:#04080acc;opacity:0;transition:opacity .7s;z-index:30;pointer-events:none}
.has-scrim .tb-scrim{opacity:1}

/* Energy meter */
.tb-energy{position:absolute;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;border-radius:14px;border:1.5px solid #3ee0e744;background:#0b1719;opacity:0;transition:opacity .5s,border-color .4s,box-shadow .4s}
.show-energy .tb-energy{opacity:1}
.tb-meter{opacity:0}
.tb-meter.is-on{opacity:1}
.tb-meter.is-power{border-color:#e2d16755;background:#15140b}
.tb-meter.is-power .tb-energy-pips i{border-color:#e2d16799}
.tb-meter.is-power .tb-energy-pips i.is-on{background:#e2d167;box-shadow:0 0 12px #e2d167}
.tb-meter.is-power.is-full{border-color:#e2d167;box-shadow:0 0 30px #e2d16733}
.tb-meter.is-power.is-full strong{color:#e2d167}
.tb-token.is-power{font-size:30px;color:#e2d167;text-shadow:0 0 18px #e2d167}
.tb-energy-label{font:500 13px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--st-muted)}
.tb-energy strong{font:800 50px/1 var(--head);color:var(--st-ink)}
.tb-energy-need{font-size:15px;color:var(--st-muted);margin-top:-4px}
.tb-energy-pips{display:flex;gap:7px}
.tb-energy-pips i{width:11px;height:11px;transform:rotate(45deg);border:1.5px solid #3ee0e788;transition:background .3s,box-shadow .3s}
.tb-energy-pips i.is-on{background:var(--st-ac);box-shadow:0 0 12px var(--st-ac)}
.tb-energy.is-full{border-color:var(--st-ac);box-shadow:0 0 30px #3ee0e733}
.tb-energy.is-full strong{color:var(--st-ac)}
.tb-energy.is-paid strong{color:var(--st-muted)}

/* ---------- HUD (screen space) ---------- */
.tb-hud{position:absolute;inset:0;pointer-events:none;z-index:10;color:var(--st-ink)}
.tb-score{position:absolute;left:18px;top:16px;display:grid;grid-template-columns:auto auto;align-items:baseline;column-gap:6px;padding:10px 16px 12px;border-radius:12px;background:#080d0ed9;border:1px solid #ffffff14;backdrop-filter:blur(8px);opacity:0;transform:translateY(-10px);transition:opacity .5s,transform .5s}
.tb-score.is-on{opacity:1;transform:none}
.tb-score-label{grid-column:1/-1;font:500 13px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--st-muted)}
.tb-score strong{font:800 44px/1 var(--head);color:var(--tb-gold);display:inline-block;transform-origin:50% 60%}
.tb-score-max{font:600 20px var(--head);color:var(--st-muted)}
.tb-score-pips{grid-column:1/-1;display:flex;gap:5px;margin-top:6px}
.tb-score-pips i{width:12px;height:12px;border-radius:2px;border:1.5px solid #f2c46d55;transition:background .4s .9s,box-shadow .4s .9s}
.tb-score-pips i.is-on{background:var(--tb-gold);box-shadow:0 0 10px #f2c46d99}
.tb-score-note{grid-column:1/-1;font-size:13px;color:var(--st-muted);margin-top:4px}
.tb-score-note:empty{display:none}
.tb-score.is-goal .tb-score-pips i{animation:tb-pip 1.8s ease-in-out infinite}
.tb-score.is-goal .tb-score-max{color:var(--tb-gold)}
.tb-practice-chip{position:absolute;left:18px;top:16px;font:500 13px var(--mono);letter-spacing:.06em;text-transform:uppercase;padding:9px 13px;border-radius:8px;background:#080d0ed9;border:1px solid #ffffff1c;color:var(--st-ac);opacity:0;transition:opacity .4s}
.is-practice .tb-practice-chip{opacity:1}
.is-practice .tb-score{opacity:0}
.tb-phases{position:absolute;left:50%;top:18px;transform:translate(-50%,-10px);display:flex;gap:4px;list-style:none;margin:0;padding:5px;border-radius:999px;background:#080d0ed9;border:1px solid #ffffff14;backdrop-filter:blur(8px);opacity:0;transition:opacity .5s,transform .5s}
.tb-phases.is-on{opacity:1;transform:translate(-50%,0)}
.tb-phases li{font-size:14px;padding:7px 14px;border-radius:999px;color:var(--st-muted);transition:background .4s,color .4s;white-space:nowrap}
.tb-phases li.is-done{color:var(--st-ink)}
.tb-phases li.is-done:before{content:'✓ ';color:var(--st-ac)}
.tb-phases li.is-current{background:var(--st-ac);color:var(--tb-ac-ink);font-weight:500}
.tb-passes{position:absolute;left:50%;bottom:18px;transform:translate(-50%,10px);display:flex;align-items:center;gap:10px;padding:8px;border-radius:14px;background:#080d0ed9;border:1px solid #ffffff14;backdrop-filter:blur(8px);opacity:0;transition:opacity .5s,transform .5s}
.tb-passes.is-on{opacity:1;transform:translate(-50%,0)}
.tb-pass{display:flex;align-items:center;gap:9px;padding:8px 14px;border-radius:9px;font-size:15px;white-space:nowrap;color:var(--st-muted);transition:background .4s,color .4s}
.tb-pass i{width:10px;height:10px;border-radius:50%;border:2px solid currentColor}
.tb-pass.is-current{color:var(--st-ink);background:#ffffff0d}
.tb-pass.is-current i{background:var(--st-ac);border-color:var(--st-ac);box-shadow:0 0 12px var(--st-ac);animation:tb-blink 1.2s ease-in-out infinite}
.tb-pass.is-done{color:var(--st-ink)}
.tb-pass.is-done i{border-color:var(--st-ac);background:var(--st-ac)}
.tb-pass-arrow{color:var(--st-muted)}
.tb-banner{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;align-items:center;gap:6px;padding:26px 0;background:linear-gradient(90deg,transparent,#060a0bee 20%,#060a0bee 80%,transparent);opacity:0;visibility:hidden}
.tb-banner strong{font:800 clamp(40px,6vw,76px)/1 var(--head);text-transform:uppercase;letter-spacing:-.01em}
.tb-banner span{font-size:16px;color:var(--st-muted)}
.tb-banner.is-on{visibility:visible;animation:tb-banner 2.6s cubic-bezier(.2,.8,.2,1) forwards}
.tb-banner.is-on strong{animation:tb-banner-text 2.6s cubic-bezier(.2,.8,.2,1) forwards}
.tb-fx{position:absolute;inset:0;pointer-events:none;z-index:20;overflow:hidden}
.tb-token{position:absolute;left:0;top:0;font:800 42px/1 var(--head);color:var(--tb-gold);text-shadow:0 0 24px #f2c46dcc,0 2px 0 #000;will-change:transform}
.tb-token.is-energy{font-size:30px;color:var(--st-ac);text-shadow:0 0 18px #3ee0e7}

/* ---------- Lesson panel ---------- */
.tb-panel{display:flex;flex-direction:column;min-height:0;background:var(--tb-panel);border-left:1px solid var(--tb-line)}
.tb-panel-scroll{flex:1;overflow:auto;padding:clamp(28px,5vh,56px) 36px 28px;overscroll-behavior:contain}
.tb-kicker{margin:0 0 14px;font:500 14px/1.4 var(--body);letter-spacing:0;color:var(--tb-muted)}
.tb-copy h1{margin:0 0 18px;font:700 clamp(40px,3.3vw,56px)/.94 var(--head);text-transform:uppercase;letter-spacing:-.012em;outline:none}
.tb-body{margin:0;font-size:18px;line-height:1.6;color:var(--tb-soft)}
.tb-body.is-correction{color:var(--tb-warn)}
.tb-note{margin:18px 0 0;padding-left:14px;border-left:2px solid var(--tb-line);font-size:15px;line-height:1.55;color:var(--tb-muted)}
.tb-domains{display:flex;gap:10px;margin-top:20px}
.tb-domains span{display:flex;align-items:center;gap:9px;padding:8px 14px 8px 12px;border-radius:999px;font-size:15px}
.tb-domains span:before{content:'';width:10px;height:10px;border-radius:50%;background:currentColor}
.tb-domains .is-fury{color:var(--tb-fury);background:color-mix(in srgb,var(--tb-fury) 14%,transparent)}
.tb-domains .is-chaos{color:var(--tb-chaos);background:color-mix(in srgb,var(--tb-chaos) 14%,transparent)}
.tb-task{display:flex;gap:10px;align-items:baseline;margin:22px 0 0;font-size:16px;line-height:1.5;color:var(--tb-ink)}
.tb-task span{color:var(--tb-ac);font-size:12px;animation:tb-blink 1.6s ease-in-out infinite}
.tb-feedback{margin:20px 0 0;padding:12px 14px;border-radius:8px;font-size:15px;line-height:1.5;background:color-mix(in srgb,var(--tb-ink) 5%,transparent);color:var(--tb-soft)}
.tb-feedback.tone-good{background:color-mix(in srgb,var(--tb-ac) 12%,transparent);color:var(--tb-ink)}
.tb-feedback.tone-try{background:color-mix(in srgb,var(--tb-warn) 14%,transparent);color:var(--tb-ink)}
.tb-actions{margin-top:28px}
.tb-actions:empty{display:none}
/* Wide screens: the copy fills a fixed-height block so the main button lands in the same
   place on every step; longer steps push it down and keep it in view at the bottom. */
@media (min-width:821px){
  .tb-copy{display:flex;flex-direction:column;min-height:clamp(380px,54vh,500px)}
  .tb-actions{margin-top:auto;padding-top:28px;position:sticky;bottom:-28px;padding-bottom:28px;background:linear-gradient(transparent,var(--tb-panel) 22%)}
}
.tb-action{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;border:0;border-radius:0;background:var(--tb-ac);text-decoration:none;color:var(--tb-ac-ink)!important;text-transform:none;letter-spacing:0;text-align:left;transition:transform .2s,box-shadow .3s,background .3s}
/* Size comes from the site's .button.large (52px, 18px text); the lesson keeps its own colour. */
.tb-page .tb-action{font-family:var(--body);font-weight:600;line-height:1.2}
.tb-action.button:hover:not(:disabled){background:var(--tb-ac);text-decoration:none}
.tb-action.button.is-secondary:hover{background:transparent}
.tb-action:hover:not(:disabled){box-shadow:0 10px 30px color-mix(in srgb,var(--tb-ac) 30%,transparent)}
.tb-action:hover .tb-arrow{transform:translateX(4px)}
.tb-action:active:not(:disabled){transform:scale(.985)}
.tb-arrow{transition:transform .2s}
.tb-action:disabled{background:transparent;border:1.5px dashed var(--tb-line);color:var(--tb-muted)!important}
.tb-action.is-secondary{margin-top:10px;justify-content:center;background:transparent;border:1.5px solid var(--tb-line);color:var(--tb-ink)!important}
.tb-action.is-secondary:hover{border-color:var(--tb-muted);box-shadow:none}
.tb-choices{display:grid;gap:10px}
.tb-choice{display:flex;align-items:center;gap:14px;width:100%;min-height:56px;padding:12px 18px;border:1.5px solid var(--tb-line);border-radius:0;background:none;text-align:left;font-size:16px;transition:border-color .2s,background .2s}
.tb-choice:hover{border-color:var(--tb-muted)}
.tb-choice-mark{flex:none;width:18px;height:18px;border-radius:50%;border:2px solid var(--tb-muted)}
.tb-choice.is-chosen{border-color:var(--tb-ac);background:color-mix(in srgb,var(--tb-ac) 8%,transparent)}
.tb-choice.is-chosen .tb-choice-mark{border-color:var(--tb-ac);background:radial-gradient(circle,var(--tb-ac) 45%,transparent 50%)}
.tb-copy:has(.is-correction) .tb-choice.is-chosen,.tb-copy:has(.tone-try) .tb-choice.is-chosen{border-color:var(--tb-warn);background:color-mix(in srgb,var(--tb-warn) 8%,transparent)}
.tb-copy:has(.is-correction) .tb-choice.is-chosen .tb-choice-mark,.tb-copy:has(.tone-try) .tb-choice.is-chosen .tb-choice-mark{border-color:var(--tb-warn);background:radial-gradient(circle,var(--tb-warn) 45%,transparent 50%)}
.tb-link{border:0;background:none;padding:0;color:var(--tb-ac);text-decoration:underline;text-underline-offset:4px;font-size:inherit}
.tb-recap{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:4px}
.tb-recap li{display:grid;grid-template-columns:44px 1fr;gap:6px;padding:16px 0;border-top:1px solid var(--tb-line)}
.tb-recap-n{font:700 26px/1 var(--head);color:var(--tb-ac)}
.tb-recap strong{font:700 24px/1 var(--head);text-transform:uppercase}
.tb-recap p{margin:6px 0 8px;font-size:15px;color:var(--tb-soft)}
.tb-recap .tb-link{font-size:14px}
.tb-next{margin-top:18px;padding-top:18px;border-top:1px solid var(--tb-line);display:flex;flex-wrap:wrap;gap:10px 20px;font-size:15px}
.tb-next p{flex-basis:100%;margin:0 0 4px;color:var(--tb-soft)}
.tb-next a{color:var(--tb-ac)}
.tb-panel-foot{display:flex;align-items:center;gap:14px;padding:12px 20px;border-top:1px solid var(--tb-line);font-size:14px;color:var(--tb-muted)}
.tb-panel-foot button{border:0;background:none;min-height:40px;padding:0 6px;font-size:14px}
.tb-back-step:disabled{opacity:.35}
.tb-count{font:14px/1.4 var(--body);color:var(--tb-muted);white-space:nowrap;min-width:0;overflow:hidden;text-overflow:ellipsis}
.tb-count b{color:var(--tb-ink);font-weight:500}
.tb-part{color:var(--tb-muted)}
.tb-rule{margin-left:auto;color:var(--tb-muted)}
.tb-rule:hover,.tb-back-step:hover:not(:disabled){color:var(--tb-ink)}

.tb-result{display:grid;gap:1px;margin:20px 0 0;border-radius:10px;overflow:hidden;background:var(--tb-line)}
.tb-result div{display:grid;grid-template-columns:84px 1fr;gap:12px;padding:10px 14px;background:var(--tb-panel)}
.tb-result dt{font:500 14px/1.5 var(--body);color:var(--tb-muted)}
.tb-result dd{margin:0;font-size:15px;line-height:1.5;color:var(--tb-soft)}
.tb-result div:last-child dd{color:var(--tb-ink)}
/* ---------- Dialogs (shared with the card reference and help) ---------- */
.fd-roles{margin:18px 0;padding:16px 18px;border-left:3px solid var(--tb-ac);background:color-mix(in srgb,var(--tb-ac) 7%,transparent);border-radius:0 8px 8px 0}
.fd-roles h3{margin:0 0 10px!important;font:500 13px var(--mono)!important;letter-spacing:.06em;color:var(--tb-ac)}
.fd-roles dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin:0}
.fd-roles dt{font:500 14px/1.6 var(--body);color:var(--tb-muted)}
.fd-roles dd{margin:0;font-size:15px;line-height:1.6;color:var(--tb-soft)}
.fd-dialog{width:min(820px,calc(100vw - 32px));max-height:calc(100dvh - 40px);padding:28px;border:1px solid var(--tb-line);border-radius:0;background:var(--tb-panel);color:var(--tb-ink);overflow:auto;box-shadow:0 25px 100px #000a}
.fd-dialog::backdrop{background:#03080acc;backdrop-filter:blur(6px)}
.fd-dialog-head{display:flex;align-items:center;justify-content:space-between;gap:14px;font:500 15px var(--body);color:var(--tb-muted)}
.fd-dialog-head button{font:600 15px var(--body);background:none;border:1px solid var(--tb-line);border-radius:0;min-height:44px;padding:10px 15px;color:var(--tb-ink)}
.fd-dialog h2{font:700 38px/1.02 var(--head);text-transform:uppercase;margin:22px 0 16px}
.fd-dialog h3{font:700 20px/1.1 var(--head);text-transform:uppercase;margin:24px 0 12px}
.fd-dialog p,.fd-dialog li{font-size:15px;line-height:1.7;color:var(--tb-soft)}
.fd-dialog a{text-decoration:underline;text-underline-offset:4px;color:var(--tb-ac)}
.fd-kicker{margin:0;font:500 14px var(--body);color:var(--tb-ac)}
.fd-inspector{display:grid;grid-template-columns:1fr 1.2fr;align-items:start;gap:32px;margin-top:24px}
.fd-inspector img{display:block;border-radius:10px;max-width:100%;height:auto;box-shadow:0 20px 50px #000a}
.fd-inspector.is-landscape{grid-template-columns:1fr}
.fd-inspector .rules-text{border-color:var(--tb-line);padding:16px 0}
.fd-inspector .rules-text h2{font:500 13px var(--mono);color:var(--tb-muted);margin:0 0 10px;text-transform:uppercase}
.fd-credit{font-size:13px!important;line-height:1.7}
.fd-map-diagram{display:flex;flex-direction:column;gap:16px;border:1px solid var(--tb-line);padding:20px;border-radius:10px;margin:24px 0;text-align:center}
.fd-map-diagram>span{padding:10px;background:#ffffff05;font-size:14px;color:var(--tb-muted)}
.fd-map-diagram>div{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fd-map-diagram>div>span{border:1px solid var(--tb-line);border-radius:6px;padding:15px 8px;font-size:14px;color:var(--tb-ac)}
.fd-dialog-fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fd-dialog-fields button{border:0;background:none;padding:0;text-align:left;font-size:14px}
.fd-field-card img{display:block;width:100%;height:auto;border-radius:8px;margin-bottom:8px}
.fd-help-chapters{display:grid;margin:24px 0;border-top:1px solid var(--tb-line)}
.fd-help-chapters button{display:flex;gap:20px;padding:14px 0;border:0;border-bottom:1px solid var(--tb-line);background:none;text-align:left;font-size:16px}
.fd-help-chapters button>span{font:500 13px var(--mono);color:var(--tb-muted)}
.fd-help-chapters [aria-current]{color:var(--tb-ac)}
.fd-help-controls,.fd-help-links{display:flex;flex-wrap:wrap;gap:12px 18px;margin:24px 0}
.fd-help-controls button,.fd-help-links button,.fd-dialog .fd-term-links button{background:none;border:1px solid var(--tb-line);padding:10px 14px;border-radius:0;font-size:14px;min-height:44px}
.fd-term-links{display:flex;gap:12px;flex-wrap:wrap}
.fd-help-links a{align-self:center;font-size:14px}
.fd-help-links{border-top:1px solid var(--tb-line);padding-top:20px}
.fd-modal-open{overflow:hidden}
.fd-noscript{padding:25px;text-align:center}
.fd-sr{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}

/* Opponents and combat: their units carry a warm edge, damage is marked on the card. */
.tb-page{--tb-opp:#f3a86f}
.tb-piece.is-opp .tb-front{box-shadow:0 0 0 2px #f3a86f88,0 8px 18px #000a}
.tb-caption b.is-opp{background:var(--tb-opp)}
.tb-field[data-control=opponent]{border-color:#f3a86f99;background:radial-gradient(90% 70% at 50% 40%,#f3a86f14,transparent 70%)}
.tb-field[data-control=opponent] .tb-control{color:var(--tb-opp)}
.tb-field[data-control=none] .tb-control{color:var(--st-muted)}
.tb-dmg{position:absolute;right:-14px;top:-14px;z-index:3;display:grid;place-items:center;min-width:52px;height:52px;padding:0 10px;border-radius:26px;background:#d9463b;color:#fff;font:800 30px/1 var(--head);box-shadow:0 6px 16px #000a;opacity:0;transform:scale(.6);transition:opacity .3s,transform .3s;pointer-events:none}
.tb-dmg.is-on{opacity:1;transform:none}
.tb-dmg.is-assigned{background:#1a0f0e;color:#ff8a7d;border:3px dashed #ff8a7d}
.tb-dmg.is-lethal{background:#b3261e;box-shadow:0 0 0 4px #ff8a7d66,0 0 30px #ff5a4a88}
.tb-dmg.is-lethal:after{content:'LETHAL';position:absolute;top:100%;margin-top:6px;font:700 13px/1 var(--mono);letter-spacing:.08em;color:#ff8a7d;background:#1a0f0e;padding:4px 7px;border-radius:4px}
.tb-piece.is-exhausted .tb-dmg{transform:rotate(-90deg)}
.tb-heal{position:absolute;inset:-10px;border-radius:14px;border:3px solid #6ee7a8;box-shadow:0 0 30px #6ee7a8aa;pointer-events:none}

/* ---------- Motion ---------- */
@keyframes tb-ring{0%,100%{opacity:.35;transform:scale(1)}50%{opacity:1;transform:scale(1.035)}}
@keyframes tb-breathe{0%,100%{box-shadow:0 0 0 0 #3ee0e700}50%{box-shadow:0 0 0 6px #3ee0e722,0 0 40px #3ee0e722}}
@keyframes tb-lift{0%,100%{transform:none}50%{transform:translateY(-6px)}}
@keyframes tb-blink{0%,100%{opacity:1}50%{opacity:.35}}
@keyframes tb-pip{0%,100%{border-color:#f2c46d55}50%{border-color:#f2c46d;box-shadow:0 0 8px #f2c46d88}}
@keyframes tb-burst{0%{opacity:1;transform:scale(1)}100%{opacity:0;transform:scale(46);border-width:.3px}}
@keyframes tb-stamp{0%{opacity:0;transform:translate(-50%,-50%) scale(.3) rotate(-8deg)}35%{opacity:1;transform:translate(-50%,-50%) scale(1.12) rotate(2deg)}55%{transform:translate(-50%,-50%) scale(1) rotate(0)}100%{opacity:1;transform:translate(-50%,-50%) scale(1)}}
@keyframes tb-banner{0%{opacity:0;clip-path:inset(0 100% 0 0)}15%{opacity:1;clip-path:inset(0 0 0 0)}78%{opacity:1}100%{opacity:0}}
@keyframes tb-banner-text{0%{transform:translateX(-40px);letter-spacing:.2em}20%{transform:none;letter-spacing:-.01em}100%{transform:translateX(12px)}}

/* ---------- Small screens: the table on top, the lesson as a sheet below ---------- */
@media (max-width:1100px){.tb-chapter-name{font-size:0}.tb-chapter-name b{font-size:12px;margin:0}.tb-progress .is-current .tb-chapter-name{font-size:13px}}
@media (max-width:820px){
  .tb-header{height:52px;padding:0 12px;gap:10px}
  .tb-brand{font-size:22px;margin-right:0}
  .tb-crumb,.tb-crumb-sep,.tb-lesson-name{display:none}
  .tb-progress{padding:0 6px;gap:0}
  .tb-progress button{display:flex;align-items:center;min-height:44px;padding:0 2px}
  .tb-chapter-bar{flex:1}
  .tb-chapter-name{display:none}
  .tb-menu{padding:0 11px;font-size:13px;min-height:44px}
  .tb-app{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr) auto}
  .tb-panel{border-left:0;border-top:1px solid var(--tb-line);max-height:min(56dvh,520px);box-shadow:0 -20px 40px #0006}
  .tb-panel-scroll{padding:18px 18px 14px}
  .tb-kicker{margin-bottom:8px}
  .tb-copy h1{font-size:clamp(28px,8vw,36px);margin-bottom:10px}
  .tb-body{font-size:16px;line-height:1.5}
  .tb-note{margin-top:12px;font-size:14px}
  .tb-task{margin-top:14px;font-size:15px}
  .tb-feedback{margin-top:12px;font-size:14px}
  .tb-actions{margin-top:16px;position:sticky;bottom:-14px;padding-bottom:14px;background:linear-gradient(transparent,var(--tb-panel) 18%)}
  .tb-choice{min-height:48px;padding:10px 14px;font-size:15px}
  .tb-panel-foot{padding:6px 12px}
  .tb-score{left:10px;top:10px;padding:7px 11px 9px}
  .tb-score strong{font-size:32px}
  .tb-score-pips i{width:9px;height:9px}
  .tb-practice-chip{left:10px;top:10px}
  .tb-phases{top:auto;bottom:10px;transform:translate(-50%,10px);padding:3px;max-width:calc(100% - 20px)}
  .tb-phases.is-on{transform:translate(-50%,0)}
  .tb-phases li{font-size:13px;padding:6px 9px}
  .tb-phases li:not(.is-current){font-size:0;padding:6px 4px}
  .tb-phases li:not(.is-current):after{content:'';display:block;width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.6}
  .tb-phases li.is-done:before{content:none}
  .tb-passes{bottom:10px;gap:4px;padding:5px}
  .tb-pass{font-size:13px;padding:6px 8px;gap:6px}
  .tb-pass-arrow{display:none}
  .fd-inspector{grid-template-columns:1fr}
  .fd-dialog{padding:20px}
  .fd-dialog h2{font-size:30px}
}
@media (prefers-reduced-motion:reduce){
  .tb-camera,.tb-inner,.tb-front,.tb-back,.tb-zone-label,.tb-caption,.tb-chapter-bar span{transition:none!important}
  .tb-page *{animation:none!important}
  .tb-banner.is-on{opacity:1;visibility:visible}
  .tb-stamp.is-on{opacity:1;transform:translate(-50%,-50%)}
}
/* Very short phones: the score shrinks to a single chip so the table keeps its room. */
@media (max-width:820px) and (max-height:700px){
  .tb-score{padding:5px 10px;border-radius:9px}
  .tb-score-label,.tb-score-pips,.tb-score-note{display:none}
  .tb-score strong{font-size:24px}
  .tb-score-max{font-size:15px}
  .tb-panel{max-height:60dvh}
}