/* v32: liquid-glass selectors, unified question hub, and bottom-safe polish. */

/* Persistent collection button: keep its y-position, reduce the downward shadow so Safari does not clip it. */
.collection-fab{
  box-shadow:
    0 5px 14px rgba(47,91,183,.19),
    0 1px 3px rgba(47,91,183,.10),
    inset 0 1px 0 rgba(255,255,255,.40)!important;
}

/* Old question sheet is retired. Text selection still exposes a small contextual trigger,
   but that trigger now opens the unified collection sheet. */
#askSheet,#askBackdrop,#askFab{display:none!important}
.ask-bubble{
  background:rgba(43,91,196,.90)!important;
  border:1px solid rgba(255,255,255,.42)!important;
  color:#fff!important;
  box-shadow:0 7px 18px rgba(43,91,196,.18)!important;
  -webkit-backdrop-filter:blur(18px) saturate(150%)!important;
  backdrop-filter:blur(18px) saturate(150%)!important;
}

/* Top navigation: the active state is a single moving liquid-glass capsule. */
.nav-scroll{
  position:relative!important;
  isolation:isolate;
  background:linear-gradient(180deg,rgba(255,255,255,.68),rgba(241,247,255,.54))!important;
  border:1px solid rgba(255,255,255,.72)!important;
  border-radius:999px!important;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.82),
    0 8px 24px rgba(42,72,128,.08)!important;
  -webkit-backdrop-filter:blur(22px) saturate(165%)!important;
  backdrop-filter:blur(22px) saturate(165%)!important;
  padding:.34rem 3.05rem .34rem .34rem!important;
}
.nav-progress-liquid{
  position:absolute;
  z-index:0;
  inset:0 auto 0 0;
  width:100%;
  pointer-events:none;
  border-radius:999px;
  transform:scaleX(0);
  transform-origin:left center;
  background:linear-gradient(90deg,rgba(89,154,255,.18),rgba(80,139,237,.10));
  box-shadow:inset 0 0 18px rgba(91,153,255,.07);
}
.nav-liquid-indicator{
  position:absolute;
  z-index:1;
  left:0;
  top:0;
  pointer-events:none;
  border-radius:999px;
  background:
    linear-gradient(155deg,rgba(76,137,244,.78),rgba(53,104,212,.66)),
    radial-gradient(circle at 28% 10%,rgba(255,255,255,.52),transparent 42%);
  border:1px solid rgba(255,255,255,.58);
  box-shadow:
    0 7px 18px rgba(45,96,205,.17),
    inset 0 1px 0 rgba(255,255,255,.48),
    inset 0 -1px 0 rgba(37,86,191,.15);
  -webkit-backdrop-filter:blur(18px) saturate(175%);
  backdrop-filter:blur(18px) saturate(175%);
  transform-origin:center center;
}
.nav-chip{
  position:relative!important;
  z-index:2!important;
  background:rgba(255,255,255,.76)!important;
  color:#4e535c!important;
  border-color:rgba(26,42,73,.06)!important;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.76),0 2px 7px rgba(24,39,66,.03)!important;
  transition:color .16s ease,background .16s ease,transform .16s ease!important;
}
.nav-chip.is-active{
  background:transparent!important;
  color:#fff!important;
  border-color:transparent!important;
  box-shadow:none!important;
  text-shadow:0 1px 1px rgba(22,55,118,.12);
}

/* The existing progress layer stays visually subordinate to the active liquid capsule. */
.read-progress{
  height:0!important;
  margin:0!important;
  overflow:hidden!important;
}
.read-progress__bar{opacity:0!important}

/* Bottom collection tabs use the same physical language. */
.collection-tabs{
  position:relative!important;
  isolation:isolate;
  gap:5px!important;
  overflow-x:auto!important;
  overflow-y:hidden!important;
  background:linear-gradient(180deg,rgba(238,245,255,.72),rgba(231,239,252,.58))!important;
  border:1px solid rgba(255,255,255,.75)!important;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.8),0 7px 18px rgba(46,76,127,.05)!important;
  -webkit-backdrop-filter:blur(20px) saturate(160%)!important;
  backdrop-filter:blur(20px) saturate(160%)!important;
}
.collection-liquid-indicator{
  position:absolute;
  z-index:0;
  left:0;
  top:0;
  pointer-events:none;
  border-radius:14px;
  background:
    linear-gradient(155deg,rgba(85,143,245,.70),rgba(57,108,216,.58)),
    radial-gradient(circle at 25% 8%,rgba(255,255,255,.5),transparent 43%);
  border:1px solid rgba(255,255,255,.58);
  box-shadow:0 6px 15px rgba(49,99,210,.15),inset 0 1px 0 rgba(255,255,255,.46);
  -webkit-backdrop-filter:blur(17px) saturate(170%);
  backdrop-filter:blur(17px) saturate(170%);
  transform-origin:center;
}
.collection-tab{
  position:relative!important;
  z-index:1!important;
  background:transparent!important;
  box-shadow:none!important;
  transition:color .16s ease,transform .16s ease!important;
}
.collection-tab.is-active{
  background:transparent!important;
  color:#fff!important;
  text-shadow:0 1px 1px rgba(30,64,130,.12);
}

/* Unified question workspace inside the collection sheet. */
.v32-question-hub{
  display:grid;
  gap:12px;
  min-height:100%;
  align-content:start;
  padding-top:2px;
}
.v32-question-segment{
  position:sticky;
  top:0;
  z-index:4;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:5px;
  padding:5px;
  border:1px solid rgba(31,45,72,.055);
  border-radius:17px;
  background:rgba(239,242,247,.88);
  -webkit-backdrop-filter:blur(18px) saturate(145%);
  backdrop-filter:blur(18px) saturate(145%);
}
.v32-question-segment button{
  min-height:42px;
  border:0;
  border-radius:13px;
  background:transparent;
  color:#747983;
  font:inherit;
  font-size:13px;
  font-weight:720;
}
.v32-question-segment button.is-active{
  background:#fff;
  color:#25272c;
  box-shadow:0 3px 11px rgba(27,42,69,.055);
}
.v32-question-segment span{
  display:inline-grid;
  place-items:center;
  min-width:19px;
  height:19px;
  margin-left:4px;
  padding:0 5px;
  border-radius:999px;
  background:rgba(53,104,212,.09);
  color:var(--accent);
  font-size:10px;
}
.v32-question-write[hidden],.v32-question-saved[hidden]{display:none!important}
.v32-question-write #askWritePanel{
  display:grid;
  gap:0;
  width:100%;
}
.v32-question-write .ask-sheet__quote{
  margin:0 0 10px;
  border:1px solid rgba(27,40,66,.045);
  background:#f3f5f8;
}
.v32-question-write .ask-sheet__label{margin:.55rem 0 .45rem}
.v32-question-write textarea{
  width:100%;
  min-height:10.5rem;
  resize:vertical;
  padding:1rem;
  border:1px solid rgba(28,42,69,.08);
  border-radius:20px;
  outline:0;
  background:#fff;
  color:#24262b;
  font:inherit;
  font-size:15px;
  line-height:1.58;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.9);
}
.v32-question-write textarea:focus{
  border-color:rgba(53,104,212,.26);
  box-shadow:0 0 0 3px rgba(53,104,212,.07);
}
.v32-question-write .ask-actions{margin-top:10px}
.v32-question-write .ask-note{
  margin-top:12px;
  color:#858a94;
}
.v32-question-saved>.collection-list{padding-top:1px}
.v32-question-saved>.collection-empty{min-height:320px!important}

/* Settings are kept inside the same sheet instead of opening another bottom sheet. */
.v32-inline-sync{
  margin:0!important;
  padding:16px!important;
  border:1px solid rgba(29,43,70,.055)!important;
  border-radius:18px!important;
  background:#f3f5f8!important;
}
.v32-inline-sync h4{font-size:14px!important}
.v32-inline-sync p{color:#767b85!important}

/* Keep the collection popup internally scrollable while the page behind it remains still. */
.collection-body{
  overscroll-behavior-y:contain!important;
  -webkit-overflow-scrolling:touch;
}

@media(max-width:430px){
  .nav-scroll{padding:.3rem 2.8rem .3rem .3rem!important}
  .nav-chip{min-height:2.65rem!important;padding-inline:.94rem!important}
  .collection-tabs{margin-inline:14px!important}
  .collection-tab{min-width:60px!important;padding-inline:10px!important}
  .collection-fab{
    box-shadow:0 4px 12px rgba(47,91,183,.17),0 1px 2px rgba(47,91,183,.08),inset 0 1px 0 rgba(255,255,255,.40)!important;
  }
}

@media(prefers-reduced-motion:reduce){
  .nav-liquid-indicator,.collection-liquid-indicator{transition:none!important}
}