/* ---- v7: Review + Anki ---- */
.tab{position:relative}.revdot{position:absolute;top:5px;right:4px;width:6px;height:6px;border-radius:50%;background:var(--acc)}
#library .tabs{overflow-x:auto;scrollbar-width:none}
@media (max-width:420px){.brand{font-size:21px;margin-right:6px}#library .tab{padding:4px 9px}}
.revhead{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin:6px 0 12px}
.revhead h2{margin:0;font:600 28px/1.15 var(--serif);letter-spacing:-.02em}.revhead p{margin:4px 0 0}
.revstreak{display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:14px;background:var(--acc2)}
.revstreak b{font:600 26px/1 var(--sans);color:var(--acc);font-variant-numeric:tabular-nums}.revstreak span{font-size:11px;line-height:1.2;color:var(--muted)}
.revprog{height:4px;border-radius:4px;background:color-mix(in srgb,var(--fg) 8%,transparent);overflow:hidden;margin-bottom:22px}
.revprog i{display:block;height:100%;width:0;background:var(--acc);border-radius:4px;transition:width .5s var(--ease)}
.revstage{max-width:620px;margin:0 auto;min-height:300px;display:grid}
.revcard{position:relative;background:var(--card);border:1px solid color-mix(in srgb,var(--line) 70%,transparent);border-radius:22px;padding:24px 24px 18px;box-shadow:var(--shadow);
  display:grid;gap:14px;align-content:start;min-height:300px;transition:transform .32s var(--ease),opacity .25s;animation:rise .35s var(--ease);user-select:none;-webkit-user-select:none;cursor:grab;overflow:hidden}
.revcard:before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:4px;border-radius:0 4px 4px 0;background:var(--c)}
.revcard.skeleton{background:linear-gradient(90deg,var(--card),color-mix(in srgb,var(--fg) 4%,var(--card)),var(--card));background-size:200% 100%;animation:shimmer 1.2s infinite}
@keyframes shimmer{to{background-position:-200% 0}}
.revcard.out-r{transform:translateX(120%) rotate(8deg);opacity:0}.revcard.out-l{transform:translateX(-120%) rotate(-8deg);opacity:0}
.rmeta{display:flex;align-items:baseline;gap:4px;font-size:13px;min-width:0}.rbook{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rstar{color:#e0a82e;font-size:16px}
.rq{margin:0;font:21px/1.55 var(--serif);letter-spacing:-.005em;color:var(--fg)}
@media (max-width:520px){.rq{font-size:19px}.revcard{padding:20px 18px 16px;min-height:340px}}
.rfront{font:600 19px/1.4 var(--sans)}.rfront.small{font-size:14px;color:var(--muted);font-weight:600}
.blank{display:inline-block;min-width:3em;border-bottom:2px solid var(--acc);background:color-mix(in srgb,var(--acc) 10%,transparent);border-radius:3px 3px 0 0;line-height:1.1}
.rq .cz{background:color-mix(in srgb,var(--acc) 18%,transparent);color:inherit;border-radius:3px;padding:0 2px}
.reveal{justify-self:start}
.rnote{font-size:15px;line-height:1.45;padding:10px 12px;border-radius:12px;background:color-mix(in srgb,var(--fg) 4%,transparent);border-left:2px solid var(--c);white-space:pre-wrap}
.revcard textarea{font-size:16px;min-height:90px;user-select:text;-webkit-user-select:text}.revcard .row{display:flex;gap:8px}
.rfoot2{margin-top:auto}
.swipehint{position:absolute;top:18px;font:700 12px var(--sans);letter-spacing:.12em;text-transform:uppercase;padding:4px 10px;border-radius:8px;opacity:0;transition:opacity .15s;pointer-events:none}
.swipehint.l{right:18px;color:#c2413b;border:2px solid #c2413b}.swipehint.r{left:18px;color:#3f8f63;border:2px solid #3f8f63}.swipehint.u{left:50%;transform:translateX(-50%);color:#e0a82e;font-size:22px;top:10px}
.revcard[data-dir=l] .swipehint.l,.revcard[data-dir=r] .swipehint.r,.revcard[data-dir=u] .swipehint.u{opacity:1}
.revctl{display:flex;justify-content:center;gap:10px;margin:22px auto 8px;max-width:620px}
.rbtn{flex:1;max-width:96px;display:flex;flex-direction:column;align-items:center;gap:3px;padding:10px 4px;min-height:64px;border-radius:16px;background:var(--card);border:1px solid color-mix(in srgb,var(--line) 70%,transparent);box-shadow:0 1px 2px rgba(0,0,0,.04)}
.rbtn small{font-size:11px;color:var(--muted);font-weight:500}.rbtn:hover{border-color:var(--acc)}
.rbtn.keep{color:#3f8f63}.rbtn[data-r=discard]{color:#c2413b}.rbtn.fav.on{color:#e0a82e}.rbtn.fav.on svg{fill:currentColor}
.revopts{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 22px;margin:18px auto 0;font-size:14px;color:var(--muted)}
.revopt{display:flex;align-items:center;gap:8px}.revopt select{font:inherit;color:var(--fg);background:var(--card);border:1px solid var(--line);border-radius:10px;padding:4px 8px}
.revopt input{width:18px;height:18px;min-height:0;accent-color:var(--acc)}
.revempty{text-align:center;padding:50px 16px;display:grid;gap:8px;justify-items:center;animation:rise .4s var(--ease)}
.revempty h3{margin:0;font:600 24px var(--serif)}.revempty .check{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;font-size:30px;color:#fff;background:#3f8f63;box-shadow:0 10px 24px -10px #3f8f63}
/* Anki sheet (library) */
.ankisheet{z-index:66;max-height:90dvh;overflow:auto;width:min(560px,100vw)}
.ankistatus{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:14px;background:color-mix(in srgb,var(--fg) 4%,transparent);font-size:14px}
.ankistatus .dot{width:9px;height:9px;border-radius:50%;background:var(--muted);flex:none}
.ankistatus[data-state=ok] .dot{background:#3f8f63}.ankistatus[data-state=err] .dot{background:#c2413b}.ankistatus[data-state=busy] .dot{background:#e0a82e;animation:fade 1s infinite alternate}
.ankistatus[data-state=err]{align-items:flex-start}
.ankiin{max-width:260px}.hint{margin:-6px 0 0}
.ankinote{padding:12px 14px;border-radius:14px;background:var(--acc2);font-size:14px;line-height:1.45}
.ankihelp{font-size:14px;border-top:1px solid color-mix(in srgb,var(--fg) 8%,transparent);padding-top:10px}
.ankihelp summary{cursor:pointer;font-weight:600;padding:4px 0}.ankihelp ol{padding-left:20px;display:grid;gap:8px}
.ankihelp pre{background:color-mix(in srgb,var(--fg) 6%,transparent);border-radius:10px;padding:10px 12px;font-size:12.5px;overflow:auto;margin:8px 0;user-select:text;-webkit-user-select:text}
.ankihelp code{font-size:12.5px;background:color-mix(in srgb,var(--fg) 6%,transparent);padding:1px 5px;border-radius:5px}
#ankiBtn .badge{top:4px;right:2px}
@media (max-width:560px){
  #library>.bar{flex-wrap:wrap;row-gap:6px;padding-bottom:8px}
  #library .tabs{order:3;flex-basis:100%;display:flex}#library .tab{flex:1;padding:4px 6px}
  .brand{font-size:24px}
}