/* ============================ QUIZBANK + COLLECTIONS ============================
   Source-aware vocab list, separate from the legacy /wordbank.
   Uses the adaptive --card-bg / --input-bg / --ring-* vars from 00-base.css
   so every surface adapts cleanly between dark and light modes. */

/* ---- shared takeover-page chrome ------------------------------------------- */
body.quizbank-mode > .aurora,
body.quizbank-mode > .wrap,
body.quizbank-mode > section:not(#quizbank-page){ display:none !important; }
body.qcollections-mode > .aurora,
body.qcollections-mode > .wrap,
body.qcollections-mode > section:not(#quizbank-collections-page){ display:none !important; }
body.quizbank-mode, body.qcollections-mode{ position:relative; }

/* DARK-mode atmospheric backdrop: aurora purples + teals */
body.quizbank-mode::before,
body.qcollections-mode::before{
  content:""; position:fixed; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(720px 540px at 78% 14%, rgba(78,224,242,.20), transparent 60%),
    radial-gradient(600px 460px at 14% 84%, rgba(198,242,78,.16), transparent 60%),
    radial-gradient(520px 420px at 92% 92%, rgba(124,92,255,.18), transparent 65%);
  animation:qbDrift 28s ease-in-out infinite alternate;
}
/* LIGHT-mode atmospheric backdrop: warm peach + sky + lavender — distinct, not just inverted */
:root[data-theme="light"] body.quizbank-mode::before,
:root[data-theme="light"] body.qcollections-mode::before{
  background:
    radial-gradient(820px 600px at 80% 12%, rgba(255,179,71, .28), transparent 60%),
    radial-gradient(680px 520px at 12% 80%, rgba(125,211,252,.30), transparent 62%),
    radial-gradient(540px 460px at 92% 92%, rgba(196,181,253,.34), transparent 64%);
  animation:qbDrift 32s ease-in-out infinite alternate;
}
@keyframes qbDrift{
  0%   { transform:translate(0,0) scale(1); }
  50%  { transform:translate(-30px, 20px) scale(1.04); }
  100% { transform:translate(40px, -10px) scale(.98); }
}

body.quizbank-mode > header,
body.qcollections-mode > header{ position:relative; z-index:50; }
body.quizbank-mode > footer,
body.quizbank-mode > .admin-fab,
body.quizbank-mode > #quizbank-page,
body.qcollections-mode > footer,
body.qcollections-mode > .admin-fab,
body.qcollections-mode > #quizbank-collections-page{ position:relative; z-index:1; }

#quizbank-page,
#quizbank-collections-page{ max-width:1120px; margin:0 auto; padding:42px 24px 90px; }

/* ---- back link + header --------------------------------------------------- */
.qb-back{
  display:inline-flex; align-items:center; gap:6px;
  color:var(--muted); font-weight:700; font-size:13px;
  text-decoration:none; margin-bottom:18px;
  transition:color .15s, transform .15s;
}
.qb-back:hover{ color:var(--cyan); transform:translateX(-3px); }
#qbHead, #qcHead{
  margin-bottom:26px;
  animation:qbFadeIn .55s ease both;
}
#qbHead .eyebrow, #qcHead .eyebrow{
  font-size:11.5px; font-weight:800; letter-spacing:3px;
  color:var(--cyan); text-transform:uppercase;
  opacity:.92;
}
:root[data-theme="light"] #qbHead .eyebrow,
:root[data-theme="light"] #qcHead .eyebrow{ color:#0891b2; }

/* Title: explicit gradient per mode so light mode isn't washed-out */
#qbHead h2, #qcHead h2{
  font-family:'Bricolage Grotesque', 'Native Emoji', sans-serif;
  font-size:clamp(32px, 5.2vw, 50px); letter-spacing:-1.5px;
  margin:6px 0 10px;
  background:linear-gradient(120deg, #fff 0%, #4ee0f2 45%, #c6f24e 100%);
  -webkit-background-clip:text; background-clip:text;
  -webkit-text-fill-color:transparent;
}
:root[data-theme="light"] #qbHead h2,
:root[data-theme="light"] #qcHead h2{
  background:linear-gradient(120deg, #0f172a 0%, #6d28d9 35%, #db2777 70%, #f97316 100%);
  -webkit-background-clip:text; background-clip:text;
  -webkit-text-fill-color:transparent;
  filter:saturate(1.05);
}
#qbHead p, #qcHead p{ color:var(--muted); font-size:15px; max-width:620px; }

/* ---- stats row ------------------------------------------------------------ */
#qbStats{
  display:flex; gap:14px; flex-wrap:wrap; margin:6px 0 22px;
  animation:qbFadeIn .65s .05s ease both;
}
.qb-stat{
  background:var(--card-bg);
  border:1px solid var(--card-border);
  border-radius:14px; padding:12px 22px; min-width:118px;
  backdrop-filter:blur(10px); text-align:center;
  box-shadow:0 8px 22px -16px rgba(0,0,0,.35);
  transition:transform .18s, border-color .18s, box-shadow .2s;
}
.qb-stat:hover{
  transform:translateY(-2px);
  border-color:var(--card-border-hi);
  box-shadow:0 14px 30px -16px rgba(0,0,0,.45);
}
.qb-stat-num{
  font-size:28px; font-weight:800; line-height:1;
  font-family:'Bricolage Grotesque', 'Native Emoji', sans-serif;
  background:linear-gradient(120deg, #4ee0f2, #c6f24e);
  -webkit-background-clip:text; background-clip:text;
  -webkit-text-fill-color:transparent;
}
:root[data-theme="light"] .qb-stat-num{
  background:linear-gradient(120deg, #0891b2, #65a30d);
  -webkit-background-clip:text; background-clip:text;
  -webkit-text-fill-color:transparent;
}
.qb-stat-lbl{
  font-size:11px; color:var(--muted); letter-spacing:1.2px;
  text-transform:uppercase; margin-top:4px; font-weight:700;
}

/* ---- filter / search bar -------------------------------------------------- */
#qbFilters{
  display:grid; grid-template-columns:1.4fr 1fr .85fr; gap:10px;
  margin-bottom:14px;
  animation:qbFadeIn .65s .1s ease both;
}
/* Grid children default to min-width:auto, so a <select> whose longest <option>
   is an article title refuses to shrink and blows its column (and the page)
   wide open on phones/tablets. min-width:0 lets the fr columns actually flex. */
#qbFilters > *{ min-width:0; }
@media (max-width:720px){
  /* Search gets its own full-width row; the two selects share the one below. */
  #qbFilters{ grid-template-columns:1fr 1fr; }
  #qbFilters input[type="search"]{ grid-column:1 / -1; }
}
#qbFilters input, #qbFilters select{
  background:var(--input-bg);
  border:1px solid var(--card-border);
  color:var(--text);
  padding:11px 14px; border-radius:11px;
  font-size:14px; font-family:'Hanken Grotesk', 'Native Emoji', sans-serif;
  outline:none;
  transition:border-color .15s, background .15s, box-shadow .15s;
  -webkit-appearance:none; appearance:none;
}
/* Custom chevron arrow for the selects (since we killed the native one). */
#qbFilters select{
  padding-right:34px;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'><path d='M1 1.5L6 6.5L11 1.5' stroke='%239aa0b0' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat:no-repeat;
  background-position:right 14px center;
}
:root[data-theme="light"] #qbFilters select{
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'><path d='M1 1.5L6 6.5L11 1.5' stroke='%2364748b' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/></svg>");
}
#qbFilters input:focus, #qbFilters select:focus{
  background-color:var(--input-bg-focus);
  border-color:var(--cyan);
  box-shadow:0 0 0 3px var(--ring-cyan);
}
#qbFilters input::placeholder{ color:var(--muted); }
/* Strip Safari's odd inner search-input styling so our background sticks. */
#qbFilters input[type="search"]::-webkit-search-decoration,
#qbFilters input[type="search"]::-webkit-search-cancel-button,
#qbFilters input[type="search"]::-webkit-search-results-button,
#qbFilters input[type="search"]::-webkit-search-results-decoration{ -webkit-appearance:none; }

/* ---- action bar ----------------------------------------------------------- */
#qbActionBar{
  display:flex; gap:10px; align-items:center; flex-wrap:wrap;
  margin-bottom:18px;
  animation:qbFadeIn .65s .15s ease both;
}
#qbActionBar button, #qbActionBar a{
  background:var(--chip-bg); border:1px solid var(--card-border); color:var(--text);
  padding:10px 18px; border-radius:11px; font-weight:700; font-size:13.5px;
  cursor:pointer; transition:all .18s; text-decoration:none;
  font-family:'Hanken Grotesk', 'Native Emoji', sans-serif;
  display:inline-flex; align-items:center; gap:6px;
}
#qbActionBar button:hover, #qbActionBar a:hover{
  background:var(--chip-bg-hover);
  border-color:var(--card-border-hi);
  transform:translateY(-1px);
}
#qbActionBar a.primary{
  background:linear-gradient(135deg, #c6f24e, #7eea3a);
  color:#0a0b10; border-color:#c6f24e;
  box-shadow:0 8px 24px -10px rgba(198,242,78,.6);
}
:root[data-theme="light"] #qbActionBar a.primary{
  background:linear-gradient(135deg, #84cc16, #65a30d);
  color:#ffffff; border-color:#65a30d;
  box-shadow:0 8px 22px -10px rgba(101,163,13,.55);
}
#qbActionBar a.primary:hover{ filter:brightness(1.06); transform:translateY(-2px); }
#qbActionBar button.danger{
  color:#ef4444; border-color:rgba(239,68,68,.4);
  background:rgba(239,68,68,.06);
}
.qb-multi{ display:flex; gap:10px; align-items:center; flex-wrap:wrap; }
.qb-multi > span{ font-weight:700; color:var(--muted); padding-right:6px; }

/* ---- "Quiz from articles" CTA -------------------------------------------- */
.qb-articles-cta{
  margin-bottom:18px;
  display:flex; gap:14px; align-items:center;
  padding:16px 18px;
  background:linear-gradient(120deg, rgba(255,179,71,.10), rgba(196,181,253,.10));
  border:1px dashed rgba(255,179,71,.35); border-radius:14px;
  animation:qbFadeIn .7s .2s ease both;
}
:root[data-theme="light"] .qb-articles-cta{
  background:linear-gradient(120deg, rgba(255,179,71,.20), rgba(196,181,253,.20));
}
.qb-articles-cta-ico{ font-size:28px; line-height:1; flex-shrink:0; }
.qb-articles-cta-body{ flex:1; min-width:0; }
.qb-articles-cta-title{
  font-family:'Bricolage Grotesque', 'Native Emoji', sans-serif;
  font-size:16px; font-weight:700; color:var(--text); letter-spacing:-.3px;
}
.qb-articles-cta-sub{
  font-size:13px; color:var(--muted); margin-top:2px; line-height:1.4;
}
.qb-articles-cta-go{
  background:linear-gradient(135deg, #fb923c, #f97316);
  color:#ffffff; border:1px solid #f97316;
  padding:9px 16px; border-radius:10px; font-weight:800; font-size:13px;
  text-decoration:none; cursor:pointer; transition:all .18s;
  box-shadow:0 8px 22px -12px rgba(249,115,22,.6);
  flex-shrink:0;
  font-family:'Hanken Grotesk', 'Native Emoji', sans-serif;
}
.qb-articles-cta-go:hover{ transform:translateY(-2px); filter:brightness(1.06); }
/* Phones: the icon and the "Browse articles →" button are both flex-shrink:0
   (~33px + ~147px), so on a 390px screen the copy column collapsed to ~100px
   and wrapped one sentence into ~10 lines. Stack the three parts instead. */
@media (max-width:600px){
  .qb-articles-cta{ flex-direction:column; align-items:stretch; text-align:center; gap:10px; }
  .qb-articles-cta-go{ display:block; }
}

/* ---- bank cards list ----------------------------------------------------- */
#qbList{
  display:grid; grid-template-columns:repeat(auto-fill, minmax(280px,1fr)); gap:14px;
}
.qb-virtual{ display:block !important; }
.qb-virtual .qb-virtual-inner{
  display:grid; grid-template-columns:repeat(auto-fill, minmax(280px,1fr)); gap:14px;
}
.qb-card{
  /* Source-aware accent — overridden per kind below (reading vs article). */
  --qb-accent:#4ee0f2; --qb-accent-2:#7c5cff; --qb-accent-rgb:78,224,242;
  position:relative;
  isolation:isolate;            /* own stacking context for the glow layers   */
  overflow:hidden;              /* clip ::before/::after to the rounded card   */
  background:
    radial-gradient(135% 95% at 100% 0%, rgba(var(--qb-accent-rgb),.07), transparent 55%),
    var(--card-bg);
  border:1px solid var(--card-border); border-radius:18px;
  padding:18px 18px 14px;
  backdrop-filter:blur(10px);
  transition:transform .42s cubic-bezier(.22,1,.36,1),
             border-color .3s ease,
             box-shadow .42s cubic-bezier(.22,1,.36,1);
  box-shadow:0 12px 30px -18px rgba(0,0,0,.45);
  animation:qbCardEnter .55s cubic-bezier(.22,1,.36,1) both;
  animation-delay:var(--qb-delay, 0ms);
}
/* Cursor-following radial spotlight — painted above the bg, behind the text
   (z-index:-1 inside the card's own stacking context). JS sets --mx/--my. */
.qb-card::before{
  content:""; position:absolute; inset:0; z-index:-1; pointer-events:none;
  background:radial-gradient(360px circle at var(--mx,50%) var(--my,0%),
            rgba(var(--qb-accent-rgb),.18), transparent 46%);
  opacity:0; transition:opacity .4s ease;
}
.qb-card:hover::before{ opacity:1; }
/* Diagonal sheen that sweeps across once on hover. */
.qb-card::after{
  content:""; position:absolute; top:-10%; bottom:-10%; left:0; width:55%;
  z-index:4; pointer-events:none;
  background:linear-gradient(100deg, transparent,
            rgba(var(--qb-accent-rgb),.22), transparent);
  transform:translateX(-180%) skewX(-14deg);
  transition:transform .8s cubic-bezier(.22,1,.36,1);
}
.qb-card:hover::after{ transform:translateX(360%) skewX(-14deg); }
.qb-card:hover{
  transform:translateY(-7px) scale(1.018);
  border-color:rgba(var(--qb-accent-rgb),.55);
  z-index:5;
  box-shadow:0 28px 54px -22px rgba(var(--qb-accent-rgb),.5),
             0 10px 24px -16px rgba(0,0,0,.5);
}
:root[data-theme="light"] .qb-card:hover{
  box-shadow:0 26px 50px -22px rgba(var(--qb-accent-rgb),.45),
             0 8px 20px -16px rgba(0,0,0,.22);
}
/* Per-source accent palettes. */
.qb-card--reading{ --qb-accent:#4ee0f2; --qb-accent-2:#7c5cff; --qb-accent-rgb:78,224,242; }
.qb-card--article{ --qb-accent:#fb923c; --qb-accent-2:#f472b6; --qb-accent-rgb:251,146,60; }
.qb-card.is-selected{
  border-color:rgba(var(--qb-accent-rgb),.85);
  box-shadow:0 0 0 3px rgba(var(--qb-accent-rgb),.38),
             0 20px 44px -22px rgba(var(--qb-accent-rgb),.45);
}
.qb-card-sel{
  display:inline-flex; align-items:center; justify-content:center;
  width:22px; height:22px; flex-shrink:0; cursor:pointer; margin:0;
}
.qb-card-sel input{ width:18px; height:18px; cursor:pointer; accent-color:var(--cyan); margin:0; }
.qb-card-head{
  display:flex; align-items:center; gap:8px; flex-wrap:wrap; margin-bottom:8px;
  min-height:34px; padding-right:42px;   /* reserve room for the pinned speaker */
}
.qb-card-term{
  font-family:'Bricolage Grotesque', 'Native Emoji', sans-serif;
  font-size:22px; font-weight:700; color:var(--text);
  letter-spacing:-.5px;
  transition:transform .42s cubic-bezier(.22,1,.36,1);
}
.qb-card:hover .qb-card-term{ transform:translateX(3px); }
.qb-card-phon{
  font-size:13px; color:var(--muted); font-style:italic;
}
.qb-card-pos{
  font-size:11px; font-weight:700; letter-spacing:1px; text-transform:uppercase;
  background:rgba(198,242,78,.14); color:#65a30d;
  padding:3px 9px; border-radius:999px; border:1px solid rgba(198,242,78,.30);
}
:root[data-theme="dark"] .qb-card-pos,
:root:not([data-theme]) .qb-card-pos{ color:#c6f24e; }
.qb-card-speak{
  position:absolute; top:16px; right:16px; z-index:6;
  background:var(--chip-bg); border:1px solid var(--card-border);
  color:var(--text); width:34px; height:34px; border-radius:10px;
  display:inline-flex; align-items:center; justify-content:center;
  cursor:pointer; transition:transform .25s cubic-bezier(.22,1,.36,1),
                              border-color .2s, color .2s, background .2s;
}
.qb-card-speak svg{ width:16px; height:16px; }
/* Subtle accent tint when the whole card is hovered… */
.qb-card:hover .qb-card-speak{
  border-color:rgba(var(--qb-accent-rgb),.5); color:var(--qb-accent);
}
/* …and a playful pop when the button itself is hovered. */
.qb-card-speak:hover{
  border-color:var(--qb-accent); color:var(--qb-accent);
  background:var(--chip-bg-hover);
  transform:scale(1.12) rotate(-8deg);
}
.qb-card-speak.pronouncing{
  background:rgba(78,224,242,.22); border-color:var(--cyan); color:var(--cyan);
  animation:qbPulse .9s ease infinite;
}
@keyframes qbPulse{
  0%,100%{ box-shadow:0 0 0 0 rgba(78,224,242,.5); }
  50%    { box-shadow:0 0 0 8px rgba(78,224,242,0); }
}
.qb-card-def{ font-size:14px; color:var(--text); line-height:1.5; margin-bottom:10px; }
.qb-card-def--missing{ color:var(--muted); font-style:italic; font-size:13px; }
.qb-card-ctx{
  font-size:13px; color:var(--muted); line-height:1.5;
  background:var(--chip-bg);
  border-left:3px solid rgba(var(--qb-accent-rgb),.75);
  padding:8px 12px; border-radius:6px; margin-bottom:10px;
  transition:border-left-color .3s ease, box-shadow .3s ease;
}
.qb-card:hover .qb-card-ctx{
  border-left-color:var(--qb-accent);
  box-shadow:inset 2px 0 0 0 rgba(var(--qb-accent-rgb),.35),
             0 6px 16px -10px rgba(var(--qb-accent-rgb),.4);
}
.qb-card-ctx mark{
  background:rgba(198,242,78,.30); color:var(--text);
  padding:0 3px; border-radius:3px;
}
:root[data-theme="light"] .qb-card-ctx mark{
  background:rgba(132,204,22,.30); color:#0f172a;
}
.qb-card-src{
  font-size:12px; color:var(--muted); margin-bottom:8px;
  display:flex; align-items:center; gap:4px;
}
.qb-card-src-tag{
  display:inline-block; padding:1px 7px; border-radius:999px;
  background:var(--chip-bg); border:1px solid var(--card-border);
  font-size:10px; font-weight:800; letter-spacing:.5px; text-transform:uppercase;
}
.qb-card-src-tag--reading{ color:var(--cyan); border-color:var(--ring-cyan); }
.qb-card-src-tag--article{ color:#f97316; border-color:rgba(249,115,22,.4); }
.qb-card-foot{
  display:flex; align-items:center; gap:10px; padding-top:8px;
  border-top:1px dashed var(--hairline);
}
.qb-card-date{ font-size:11px; color:var(--muted); }
.qb-card-status{
  font-size:10px; font-weight:800; letter-spacing:1px; text-transform:uppercase;
  padding:3px 9px; border-radius:999px;
}
.qb-status-new      { background:rgba(78,224,242,.14);  color:var(--cyan);   border:1px solid var(--ring-cyan); }
.qb-status-learning { background:rgba(255,170,80,.14);  color:#d97706;       border:1px solid rgba(217,119,6,.40); }
.qb-status-known    { background:rgba(198,242,78,.14);  color:#65a30d;       border:1px solid rgba(101,163,13,.40); }
:root[data-theme="dark"] .qb-status-learning,
:root:not([data-theme]) .qb-status-learning{ color:#ffc850; }
:root[data-theme="dark"] .qb-status-known,
:root:not([data-theme]) .qb-status-known{ color:#c6f24e; }
.qb-card-del{
  margin-left:auto;
  background:transparent; border:none; color:var(--muted); cursor:pointer;
  padding:4px 6px; border-radius:6px; font-size:14px;
  transition:color .15s, background .15s, transform .15s;
}
.qb-card-del:hover{ color:#ef4444; background:rgba(239,68,68,.10); transform:scale(1.1); }

/* ---- empty state --------------------------------------------------------- */
.qb-empty{
  grid-column:1/-1; text-align:center; padding:60px 20px;
  color:var(--muted);
  animation:qbFadeIn .55s .15s ease both;
}
.qb-empty-ico{ font-size:46px; margin-bottom:14px; animation:qbFloat 3.4s ease-in-out infinite; }
.qb-empty p{ margin:6px 0; font-size:15px; }
.qb-empty-hint{ font-size:13.5px; opacity:.8; }
.qb-empty a{ color:var(--cyan); text-decoration:underline; font-weight:600; }
@keyframes qbFloat{
  0%,100%{ transform:translateY(0); }
  50%    { transform:translateY(-6px); }
}

/* ============================ COLLECTIONS ============================ */
.qc-create-row{
  display:flex; gap:10px; margin-top:18px; max-width:520px;
}
.qc-create-row input{
  flex:1; background:var(--input-bg); border:1px solid var(--card-border);
  color:var(--text); padding:11px 14px; border-radius:11px;
  font-size:14px; font-family:'Hanken Grotesk', 'Native Emoji', sans-serif; outline:none;
  transition:border-color .15s, box-shadow .15s, background .15s;
}
.qc-create-row input:focus{
  background:var(--input-bg-focus);
  border-color:var(--cyan);
  box-shadow:0 0 0 3px var(--ring-cyan);
}
.qc-create-row button{
  background:linear-gradient(135deg, #c6f24e, #7eea3a);
  color:#0a0b10; border:1px solid #c6f24e;
  padding:11px 18px; border-radius:11px; font-weight:800; font-size:13px;
  cursor:pointer; box-shadow:0 8px 22px -10px rgba(198,242,78,.55);
  font-family:'Hanken Grotesk', 'Native Emoji', sans-serif;
  transition:all .18s;
}
:root[data-theme="light"] .qc-create-row button{
  background:linear-gradient(135deg, #84cc16, #65a30d);
  color:#ffffff; border-color:#65a30d;
}
.qc-create-row button:hover{ filter:brightness(1.07); transform:translateY(-2px); }
.qc-title{
  font-family:'Bricolage Grotesque', 'Native Emoji', sans-serif;
  font-size:clamp(28px, 4vw, 38px); letter-spacing:-1px; margin:8px 0 6px;
  color:var(--text);
}
.qc-meta{ color:var(--muted); font-size:13px; margin-bottom:14px; }
.qc-head-actions{ display:flex; gap:10px; flex-wrap:wrap; }
.qc-head-actions button{
  background:var(--chip-bg); border:1px solid var(--card-border);
  color:var(--text); padding:8px 14px; border-radius:10px;
  font-weight:700; font-size:13px; cursor:pointer; transition:all .15s;
  font-family:'Hanken Grotesk', 'Native Emoji', sans-serif;
}
.qc-head-actions button:hover{
  background:var(--chip-bg-hover);
  border-color:var(--cyan); color:var(--cyan);
}
.qc-head-actions button.danger{ color:#ef4444; border-color:rgba(239,68,68,.4); }
.qc-head-actions button.danger:hover{ background:rgba(239,68,68,.10); }

#qcGrid{
  display:grid; grid-template-columns:repeat(auto-fill, minmax(220px,1fr)); gap:14px;
}
.qc-card{
  display:flex; flex-direction:column; align-items:flex-start; gap:6px;
  background:var(--card-bg);
  border:1px solid var(--card-border); border-radius:18px;
  padding:22px; text-decoration:none; color:var(--text);
  transition:transform .2s, border-color .2s, box-shadow .25s;
  backdrop-filter:blur(10px);
  box-shadow:0 12px 28px -16px rgba(0,0,0,.4);
  animation:qbCardEnter .45s ease both;
  animation-delay:var(--qb-delay, 0ms);
}
.qc-card:hover{
  transform:translateY(-4px) rotate(-.4deg);
  border-color:var(--violet);
  box-shadow:0 18px 40px -18px rgba(124,92,255,.55);
}
:root[data-theme="light"] .qc-card:hover{
  box-shadow:0 18px 40px -18px rgba(109,40,217,.45);
}
.qc-card-ico{ font-size:34px; line-height:1; }
.qc-card-name{
  font-family:'Bricolage Grotesque', 'Native Emoji', sans-serif;
  font-size:19px; font-weight:700; color:var(--text); letter-spacing:-.3px;
}
.qc-card-count{ font-size:12px; color:var(--muted); }

/* ============================ CAPTURE POPOVER ============================ */
#qbCapture{
  position:fixed; left:0; top:0; z-index:9000;
  --cap-cyan:78,224,242; --cap-violet:124,92,255;
  min-width:288px; max-width:360px;
  padding:18px 18px 16px;
  border-radius:20px;
  border:1px solid var(--card-border);
  background:
    radial-gradient(130% 80% at 100% 0%, rgba(var(--cap-cyan),.10), transparent 58%),
    radial-gradient(120% 90% at 0% 100%, rgba(var(--cap-violet),.09), transparent 60%),
    var(--card-bg);
  box-shadow:0 34px 80px -24px rgba(0,0,0,.72), 0 0 0 1px rgba(var(--cap-cyan),.05) inset;
  backdrop-filter:blur(20px) saturate(1.2);
  -webkit-backdrop-filter:blur(20px) saturate(1.2);
  display:none;
  overflow:hidden; isolation:isolate;
  font-family:'Hanken Grotesk', 'Native Emoji', sans-serif;
}
/* Accent gradient bar hugging the top edge. */
#qbCapture::before{
  content:""; position:absolute; top:0; left:0; right:0; height:3px; z-index:3;
  background:linear-gradient(90deg, rgba(var(--cap-cyan),.95), rgba(var(--cap-violet),.95));
}
:root[data-theme="light"] #qbCapture{
  background:
    radial-gradient(130% 80% at 100% 0%, rgba(var(--cap-cyan),.13), transparent 58%),
    radial-gradient(120% 90% at 0% 100%, rgba(var(--cap-violet),.10), transparent 60%),
    rgba(255,255,255,.96);
  box-shadow:0 34px 80px -24px rgba(30,40,80,.4), 0 0 0 1px rgba(var(--cap-cyan),.08) inset;
}
#qbCapture.open{ display:block; animation:qbPop .28s cubic-bezier(.34,1.56,.64,1); }
@keyframes qbPop{
  0%  { opacity:0; transform:scale(.9) translateY(8px); }
  60% { opacity:1; }
  100%{ opacity:1; transform:scale(1) translateY(0); }
}
.qb-cap-head{ display:flex; align-items:flex-start; gap:10px; margin-bottom:10px; }
.qb-cap-title{ display:flex; align-items:baseline; flex-wrap:wrap; gap:8px; flex:1; min-width:0; }
.qb-cap-term{
  font-family:'Bricolage Grotesque', 'Native Emoji', sans-serif;
  font-size:24px; font-weight:700; color:var(--text); letter-spacing:-.6px;
  line-height:1.1; word-break:break-word;
}
.qb-cap-phon{ font-size:13px; color:var(--muted); font-style:italic; }
.qb-cap-tools{ display:flex; align-items:center; gap:6px; flex-shrink:0; }
.qb-cap-speak, .qb-cap-close{
  background:var(--chip-bg); border:1px solid var(--card-border);
  color:var(--text); width:32px; height:32px; border-radius:10px;
  display:inline-flex; align-items:center; justify-content:center;
  cursor:pointer;
  transition:transform .22s cubic-bezier(.34,1.56,.64,1), border-color .18s, color .18s, background .18s;
}
.qb-cap-speak svg{ width:15px; height:15px; }
.qb-cap-speak:hover, .qb-cap-speak.pronouncing{
  border-color:rgba(var(--cap-cyan),.85); color:#4ee0f2; background:var(--chip-bg-hover);
  transform:scale(1.1);
}
.qb-cap-close:hover{
  border-color:rgba(239,68,68,.6); color:#ef4444; background:rgba(239,68,68,.10);
  transform:rotate(90deg);
}
.qb-cap-pos{
  display:inline-block; font-size:10.5px; font-weight:700;
  letter-spacing:1px; text-transform:uppercase;
  background:rgba(198,242,78,.14); color:#65a30d;
  padding:3px 10px; border-radius:999px; border:1px solid rgba(198,242,78,.30);
  margin-bottom:10px;
}
:root[data-theme="dark"] .qb-cap-pos,
:root:not([data-theme]) .qb-cap-pos{ color:#c6f24e; }

/* ---- Definition-language switcher (EN / Русский / Oʻzbek) ---- */
.qb-cap-langs{ display:flex; gap:6px; margin-bottom:13px; }
.qb-cap-lang{
  flex:1 1 0; min-width:0;
  display:inline-flex; align-items:center; justify-content:center; gap:5px;
  padding:6px 7px; border-radius:10px;
  background:var(--chip-bg); border:1px solid var(--card-border);
  color:var(--muted); font-weight:700; font-size:11.5px; cursor:pointer;
  font-family:'Hanken Grotesk', 'Native Emoji', sans-serif; white-space:nowrap;
  transition:transform .18s cubic-bezier(.34,1.56,.64,1), background .18s, border-color .18s, color .18s;
}
.qb-cap-lang-flag{ font-size:13px; line-height:1; flex-shrink:0; }
.qb-cap-lang-lbl{ overflow:hidden; text-overflow:ellipsis; }
.qb-cap-lang:hover{ color:var(--text); border-color:rgba(var(--cap-cyan),.55); transform:translateY(-1px); }
.qb-cap-lang.is-active{
  color:#0a0b10; border-color:transparent;
  background:linear-gradient(135deg, rgba(var(--cap-cyan),1), rgba(var(--cap-violet),1));
  box-shadow:0 8px 18px -10px rgba(var(--cap-violet),.9);
}
:root[data-theme="light"] .qb-cap-lang.is-active{ color:#fff; }

/* Translated headword — the native-language word, the key takeaway */
.qb-cap-trans-word{
  font-family:'Bricolage Grotesque', 'Native Emoji', sans-serif;
  font-size:21px; font-weight:700; letter-spacing:-.3px; line-height:1.15;
  margin-bottom:7px; word-break:break-word;
  background:linear-gradient(120deg, #4ee0f2, #7c5cff);
  -webkit-background-clip:text; background-clip:text;
  -webkit-text-fill-color:transparent; color:transparent;
}
.qb-cap-def-trans{ font-weight:600; margin-bottom:10px; }
.qb-cap-trans-note{ font-size:11.5px; color:var(--muted); font-style:italic; margin:-4px 0 12px; }
/* Inline "still translating" indicator — shown ABOVE the English (which stays
   visible), so the popup is useful immediately and never blank-stuck. */
.qb-cap-translating{
  display:flex; align-items:center; gap:7px;
  font-size:12.5px; color:var(--muted); font-style:italic; margin-bottom:9px;
}
.qb-cap-spin{
  width:12px; height:12px; flex:0 0 auto; border-radius:50%;
  border:2px solid var(--card-border); border-top-color:#7c5cff;
  animation:qbCapSpin .7s linear infinite;
}
@keyframes qbCapSpin{ to{ transform:rotate(360deg); } }
@media (prefers-reduced-motion: reduce){ .qb-cap-spin{ animation:none; } }
/* English original kept small + muted beneath the translation, for reference */
.qb-cap-def-en{
  font-size:12.5px; color:var(--muted); line-height:1.55; margin-bottom:12px;
  padding-top:10px; border-top:1px dashed var(--card-border);
}
.qb-cap-def-en-tag{
  display:inline-block; margin-right:6px; padding:1px 6px; border-radius:5px;
  font-size:9.5px; font-weight:800; letter-spacing:.6px; vertical-align:1px;
  background:var(--chip-bg); border:1px solid var(--card-border); color:var(--muted);
}

.qb-cap-def{ font-size:14px; color:var(--text); line-height:1.6; margin-bottom:12px; }
.qb-cap-loading{ color:var(--muted); font-style:italic; }
.qb-cap-src{
  display:inline-flex; align-items:center; gap:6px;
  font-size:11.5px; color:var(--muted);
  background:var(--chip-bg); border:1px solid var(--card-border);
  padding:5px 11px; border-radius:999px; margin-bottom:12px;
}
.qb-cap-src-ico{ font-size:12px; }
.qb-cap-saved{
  display:flex; align-items:center; gap:6px;
  font-size:12px; font-weight:700;
  background:rgba(198,242,78,.14); color:#65a30d;
  border:1px solid rgba(101,163,13,.40);
  padding:8px 12px; border-radius:10px; margin-bottom:12px;
}
:root[data-theme="dark"] .qb-cap-saved,
:root:not([data-theme]) .qb-cap-saved{ color:#c6f24e; border-color:rgba(198,242,78,.30); }
.qb-cap-actions{ display:flex; flex-direction:column; gap:8px; }
.qb-cap-btn{
  display:inline-flex; align-items:center; justify-content:center; gap:7px; width:100%;
  background:var(--chip-bg); border:1px solid var(--card-border);
  color:var(--text); padding:11px 14px; border-radius:12px;
  font-weight:700; font-size:13.5px; cursor:pointer;
  font-family:'Hanken Grotesk', 'Native Emoji', sans-serif;
  transition:transform .18s cubic-bezier(.34,1.56,.64,1), box-shadow .2s, background .18s, border-color .18s, color .18s, filter .18s;
}
.qb-cap-btn:active{ transform:scale(.97); }
.qb-cap-ico{ font-size:15px; line-height:1; }
/* Primary — Add to QuizBank */
.qb-cap-btn.qb-cap-save{
  background:linear-gradient(135deg, #c6f24e, #7eea3a);
  color:#0a0b10; border-color:transparent;
  box-shadow:0 10px 24px -12px rgba(160,235,80,.85);
}
:root[data-theme="light"] .qb-cap-btn.qb-cap-save{
  background:linear-gradient(135deg, #84cc16, #4d9e0e);
  color:#ffffff; box-shadow:0 10px 24px -12px rgba(101,163,13,.6);
}
.qb-cap-btn.qb-cap-save:hover{
  transform:translateY(-2px); filter:brightness(1.05);
  box-shadow:0 16px 32px -12px rgba(160,235,80,.95);
}
/* Secondary — Highlight (amber) */
.qb-cap-btn.qb-cap-hl{
  background:rgba(255,193,7,.10); border-color:rgba(255,193,7,.42); color:#b8860b;
}
:root[data-theme="dark"] .qb-cap-btn.qb-cap-hl,
:root:not([data-theme]) .qb-cap-btn.qb-cap-hl{ color:#ffc94d; }
.qb-cap-btn.qb-cap-hl:hover{
  transform:translateY(-2px);
  background:rgba(255,193,7,.18); border-color:rgba(255,193,7,.72);
  box-shadow:0 14px 28px -14px rgba(255,193,7,.7);
}
/* Destructive — Remove */
.qb-cap-btn.qb-cap-remove{ color:#ef4444; border-color:rgba(239,68,68,.4); background:rgba(239,68,68,.06); }
.qb-cap-btn.qb-cap-remove:hover{
  transform:translateY(-2px); background:rgba(239,68,68,.12);
  border-color:rgba(239,68,68,.7); box-shadow:0 14px 28px -14px rgba(239,68,68,.6);
}

/* ============================ COLLECTION PICKER MODAL ============================ */
#qbColPicker{
  position:fixed; inset:0; z-index:9100;
  background:rgba(0,0,0,.55);
  display:none; align-items:flex-start; justify-content:center;
  padding:8vh 16px;
  backdrop-filter:blur(4px);
}
:root[data-theme="light"] #qbColPicker{
  background:rgba(15,23,42,.30);
}
#qbColPicker.open{ display:flex; animation:qbFadeIn .2s ease; }
.qb-col-picker-modal{
  background:var(--card-bg);
  border:1px solid var(--card-border); border-radius:18px;
  padding:24px; min-width:320px; max-width:480px; width:100%;
  box-shadow:0 30px 80px -20px rgba(0,0,0,.7);
  font-family:'Hanken Grotesk', 'Native Emoji', sans-serif;
  animation:qbPop .25s cubic-bezier(.34,1.56,.64,1);
}
:root[data-theme="light"] .qb-col-picker-modal{
  background:#ffffff;
  box-shadow:0 30px 80px -20px rgba(30,40,80,.35);
}
/* min-width:320px plus the overlay's 2×16px gutters needs a ≥352px viewport.
   Narrower than that the modal overflowed a centred flex line, putting its left
   edge off-screen and out of reach. `width:100%` already fills the space. */
@media (max-width:390px){
  .qb-col-picker-modal{ min-width:0; }
}
.qb-col-picker-modal h3{
  font-family:'Bricolage Grotesque', 'Native Emoji', sans-serif;
  font-size:22px; margin:0 0 6px; color:var(--text);
}
.qb-col-picker-modal p{ color:var(--muted); font-size:13px; margin:0 0 14px; }
.qb-col-picker-list{
  display:flex; flex-direction:column; gap:8px; margin-bottom:14px;
  max-height:280px; overflow:auto;
}
.qb-col-picker-empty{ font-style:italic; }
.qb-col-picker-item{
  display:flex; align-items:center; justify-content:space-between;
  background:var(--chip-bg); border:1px solid var(--card-border);
  color:var(--text); padding:11px 14px; border-radius:11px;
  font-weight:600; font-size:14px; cursor:pointer; transition:all .15s;
}
.qb-col-picker-item:hover{
  background:var(--chip-bg-hover);
  border-color:var(--cyan); color:var(--cyan);
  transform:translateX(2px);
}
.qb-col-picker-name{ font-weight:700; }
.qb-col-picker-count{ font-size:12px; color:var(--muted); }
.qb-col-picker-divider{
  border-top:1px dashed var(--hairline);
  margin:14px 0; padding-top:14px;
  font-size:12px; color:var(--muted); text-transform:uppercase; letter-spacing:1px;
}
.qb-col-picker-newrow{ display:flex; gap:8px; }
.qb-col-picker-newrow input{
  flex:1; background:var(--input-bg); border:1px solid var(--card-border);
  color:var(--text); padding:10px 12px; border-radius:11px;
  font-size:14px; font-family:'Hanken Grotesk', 'Native Emoji', sans-serif; outline:none;
  transition:border-color .15s, background .15s, box-shadow .15s;
}
.qb-col-picker-newrow input:focus{
  background:var(--input-bg-focus);
  border-color:var(--cyan);
  box-shadow:0 0 0 3px var(--ring-cyan);
}
.qb-col-picker-newrow button{
  background:linear-gradient(135deg, #c6f24e, #7eea3a);
  color:#0a0b10; border:1px solid #c6f24e;
  padding:10px 16px; border-radius:11px; font-weight:800; font-size:13px;
  cursor:pointer; transition:all .15s;
}
:root[data-theme="light"] .qb-col-picker-newrow button{
  background:linear-gradient(135deg, #84cc16, #65a30d);
  color:#ffffff; border-color:#65a30d;
}
.qb-col-picker-newrow button:hover{ filter:brightness(1.07); }
.qb-col-picker-close{
  display:block; margin:14px auto 0;
  background:transparent; border:none; color:var(--muted);
  font-size:13px; cursor:pointer;
}
.qb-col-picker-close:hover{ color:var(--text); }

/* ============================ READING-LIST CARD BADGE ============================ */
/* Sits in-flow inside .rl-card-badges (in the card head row) next to the
   FREE/PREMIUM pill — NOT absolutely positioned, so the two never collide. */
.rl-card-qb-badge{
  background:linear-gradient(135deg, rgba(78,224,242,.22), rgba(78,224,242,.09));
  color:var(--cyan);
  border:1px solid var(--ring-cyan);
  padding:3px 9px; border-radius:999px;
  font-size:11px; font-weight:800; letter-spacing:.2px;
  display:inline-flex; align-items:center; gap:5px;
  white-space:nowrap;
  pointer-events:none;
  box-shadow:0 1px 3px rgba(0,0,0,.05);
}
.rl-card-qb-badge-ico{ font-size:11px; line-height:1; }

/* ============================ SHARED ANIMATIONS ============================ */
@keyframes qbFadeIn{
  from{ opacity:0; transform:translateY(8px); }
  to  { opacity:1; transform:translateY(0); }
}
@keyframes qbCardEnter{
  0%  { opacity:0; transform:translateY(18px) scale(.95); }
  60% { opacity:1; }
  100%{ opacity:1; transform:translateY(0) scale(1); }
}