:root{
  --ink:#0b0c0e;
  --mute:#5a5f68;
  --faint:#8a9099;
  --line:rgba(11,12,14,.12);
  --line2:rgba(11,12,14,.18);
  --panel:#fff;
  --panel-soft:#f1f2f4;
  --platinum:#e7e9ed;
  --platinum-mid:#d2d6dd;
  --brass:#b08d2e;
  --brass-deep:#7a5f1a;
  --mint:#2f7a5c;
  --coral:#d4634f;
  --sky:#3a74c4;
  --floral-blue:#3a7bd5;
  --floral-gold:#e0b03a;
  --floral-coral:#e07a5f;
  --floral-green:#3d8b6e;
  --floral-pink:#c96b88;
  --shadow:0 1px 0 rgba(255,255,255,.7) inset, 0 10px 24px rgba(11,12,14,.08);
  --radius:14px;
  --pad:max(12px, env(safe-area-inset-left));
  --pad-r:max(12px, env(safe-area-inset-right));
  --font:"IBM Plex Sans","PingFang SC","Noto Sans SC",sans-serif;
  --display:"Bricolage Grotesque","PingFang SC",sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shell-max:100%;
  --feed-max:100%;
  --cols:1;
  --chip-h:32px;
  --card-pad:12px;
  --card-h:112px;
  --hero-pad-y:12px;
  --hero-gap:8px;
  --btn-h:34px;
  --seg-pad:3px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{margin:0;height:100%;min-height:100%;background:#eceef2}
body{
  margin:0;height:var(--app-height,100dvh);min-height:var(--app-height,100dvh);
  font:15px/1.45 var(--font);color:var(--ink);
  background:
    radial-gradient(720px 360px at 100% 0%,rgba(58,123,213,.08),transparent 55%),
    radial-gradient(640px 320px at 0% 100%,rgba(224,122,95,.06),transparent 50%),
    linear-gradient(180deg,#eceef2 0%,#f2f3f5 48%,#e8eaee 100%);
  display:flex;flex-direction:column;overflow:hidden;
}
button,input,select,textarea{font:inherit;color:inherit}
::selection{background:rgba(58,123,213,.18)}
.app-shell{
  display:flex;flex-direction:column;min-height:0;flex:1;
  height:100%;
  width:100%;max-width:var(--shell-max);margin:0 auto;
}
.topbar{
  flex:0 0 auto;
  width:100%;
  position:relative;
  overflow:hidden;
  padding:calc(var(--hero-pad-y) + env(safe-area-inset-top)) var(--pad-r) var(--hero-pad-y) var(--pad);
  display:flex;flex-direction:column;gap:var(--hero-gap);
  border-bottom:1px solid rgba(11,12,14,.16);
  box-shadow:inset 0 -1px 0 rgba(255,255,255,.55);
  background:
    radial-gradient(ellipse 42% 90% at 96% 18%,rgba(58,123,213,.20),transparent 58%),
    radial-gradient(ellipse 34% 70% at 98% 78%,rgba(224,122,95,.18),transparent 55%),
    radial-gradient(ellipse 28% 55% at 88% 92%,rgba(224,176,58,.16),transparent 52%),
    radial-gradient(ellipse 22% 45% at 80% 48%,rgba(61,139,110,.12),transparent 50%),
    radial-gradient(ellipse 18% 35% at 92% 42%,rgba(201,107,136,.10),transparent 48%),
    repeating-linear-gradient(90deg,transparent 0 10px,rgba(11,12,14,.028) 10px 11px),
    repeating-linear-gradient(0deg,transparent 0 10px,rgba(11,12,14,.022) 10px 11px),
    linear-gradient(145deg,#f7f8fa 0%,#e8eaee 42%,#d7dbe3 100%);
}
.topbar::before{
  content:"";position:absolute;inset:6px;border-radius:10px;pointer-events:none;z-index:0;
  border:1px solid rgba(11,12,14,.14);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.35);
}
.topbar > *{position:relative;z-index:1}
.topbar-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  grid-template-areas:
    "brand actions"
    "mode mode";
  align-items:center;gap:8px 14px;
  min-height:40px;
}
.brand{grid-area:brand;display:flex;align-items:center;gap:10px;min-width:0}
.actions{grid-area:actions;display:flex;gap:6px;align-items:center;justify-self:end}
.mode-row{grid-area:mode;display:flex;align-items:center;justify-content:stretch}
.mode-row .seg{width:100%;display:grid;grid-template-columns:1fr 1fr}
.mark{
  width:36px;height:26px;border-radius:6px;flex:0 0 auto;
  background:
    linear-gradient(160deg,#f3f4f6 0%,#c9ced6 42%,#9aa3b0 78%,#dde1e7 100%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.75),
    inset 0 -1px 0 rgba(11,12,14,.18),
    0 4px 12px rgba(11,12,14,.12);
  position:relative;border:1px solid rgba(11,12,14,.22);
}
.mark::before{
  content:"";position:absolute;inset:6px 5px;border-radius:2px;
  background:
    repeating-linear-gradient(90deg,
      rgba(176,141,46,.85) 0 2px,
      rgba(120,95,30,.55) 2px 3px,
      transparent 3px 5px);
  opacity:.9;
}
.brand-text{min-width:0}
.eyebrow{
  margin:0;font:700 8px/1 var(--font);letter-spacing:.28em;text-transform:uppercase;
  color:var(--ink);opacity:.72;
}
.brand h1{
  margin:3px 0 0;font:800 clamp(17px,2.4vw,24px)/1.05 var(--display);
  letter-spacing:-.035em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  color:var(--ink);
}
.dot{width:7px;height:7px;border-radius:50%;background:#9aa3b2;box-shadow:0 0 0 3px rgba(154,163,178,.18);flex:0 0 auto}
.dot.ok{background:var(--mint);box-shadow:0 0 0 3px rgba(47,122,92,.16)}
.dot.bad{background:var(--coral);box-shadow:0 0 0 3px rgba(212,99,79,.16)}

.seg{
  display:inline-flex;padding:var(--seg-pad);border-radius:11px;
  background:rgba(11,12,14,.06);border:1px solid rgba(11,12,14,.12);
  backdrop-filter:blur(8px);
}
.seg button{
  border:0;background:transparent;color:var(--mute);border-radius:8px;
  padding:8px 16px;font:600 13px/1 var(--font);cursor:pointer;min-width:0;
  transition:background .18s var(--ease), color .18s var(--ease);
}
.seg button.on{background:var(--ink);color:#f4f5f7}

.btn{
  height:var(--btn-h);padding:0 12px;border-radius:10px;border:1px solid rgba(11,12,14,.16);
  background:rgba(255,255,255,.82);cursor:pointer;font:600 12.5px/1 var(--font);
  box-shadow:var(--shadow);transition:.16s var(--ease);position:relative;white-space:nowrap;
}
.btn:hover{border-color:rgba(58,123,213,.45);color:var(--sky)}
.btn.primary{background:var(--ink);color:#f4f5f7;border-color:transparent}
.btn.ghost{background:transparent;box-shadow:none}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn .short{display:none}
.fdot{display:none;position:absolute;top:7px;right:7px;width:6px;height:6px;border-radius:50%;background:var(--coral)}
.fdot.on{display:block}

.rail{
  display:none;gap:7px;align-items:center;
  overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;scrollbar-width:none;
  margin-inline:calc(-1 * var(--pad)) calc(-1 * var(--pad-r));
  padding:1px var(--pad-r) 1px var(--pad);
  scroll-snap-type:x proximity;
  mask-image:linear-gradient(90deg,transparent 0,#000 14px,#000 calc(100% - 18px),transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 14px,#000 calc(100% - 18px),transparent);
}
.rail::-webkit-scrollbar{display:none}
.rail.on{display:flex}
.rail > *{flex:0 0 auto;scroll-snap-align:start}

.chip{
  height:var(--chip-h);padding:0 13px;border-radius:999px;border:1px solid rgba(11,12,14,.14);
  background:rgba(255,255,255,.78);color:var(--mute);font:600 12.5px/1 var(--font);cursor:pointer;
  transition:background .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
  backdrop-filter:blur(6px);
}
.chip:hover{border-color:rgba(58,123,213,.35);color:var(--ink)}
.chip.on{background:var(--ink);color:#f4f5f7;border-color:transparent}
.chip.soft.on{
  background:rgba(58,123,213,.12);color:#245ea8;border-color:rgba(58,123,213,.28);
}

.searchbar{
  display:none;align-items:center;gap:0;
  width:100%;max-width:min(720px,100%);margin:2px auto 0;
  padding:4px 6px 4px 14px;
  border:1px solid #dfe1e5;
  border-radius:24px;
  background:#fff;
  box-shadow:0 1px 6px rgba(32,33,36,.12);
  transition:box-shadow .18s var(--ease), border-color .18s var(--ease);
}
.searchbar.on{display:flex}
.searchbar:hover,.searchbar:focus-within{
  border-color:transparent;
  box-shadow:0 1px 6px rgba(32,33,36,.18), 0 2px 12px rgba(32,33,36,.12);
}
.search-ico{
  flex:0 0 auto;width:22px;height:22px;margin-right:10px;
  color:#9aa0a6;display:grid;place-items:center;
}
.search-ico svg{width:18px;height:18px;display:block}
.search-src{position:relative;flex:0 0 auto}
.search-src-btn{
  display:inline-flex;align-items:center;gap:4px;
  height:36px;padding:0 6px 0 2px;border:0;border-radius:18px;
  background:transparent;cursor:pointer;
  font:500 13px/1 var(--font);color:#3c4043;white-space:nowrap;
}
.search-src-btn:hover{background:rgba(60,64,67,.06)}
.search-src-btn.open{background:rgba(26,115,232,.08);color:#1a73e8}
.search-src-caret{font-size:10px;opacity:.55;transform:translateY(1px)}
.search-src-menu{
  display:none;position:fixed;z-index:400;
  min-width:156px;padding:6px;
  border:1px solid #dadce0;border-radius:12px;background:#fff;
  box-shadow:0 4px 16px rgba(32,33,36,.18);
  pointer-events:auto;
}
.search-src-menu.open{display:block}
.search-src-menu button{
  display:block;width:100%;text-align:left;border:0;background:transparent;
  padding:10px 12px;border-radius:8px;cursor:pointer;
  font:500 13px/1.2 var(--font);color:#202124;
  position:relative;z-index:1;
}
.search-src-menu button:hover{background:#f1f3f4}
.search-src-menu button.on{background:#e8f0fe;color:#1a73e8;font-weight:600}
.search-divider{
  flex:0 0 auto;width:1px;height:22px;margin:0 10px;
  background:#dadce0;
}
.searchbar input{
  flex:1;min-width:0;height:44px;border:0;border-radius:0;
  padding:0 8px 0 0;background:transparent;outline:none;
  font:400 16px/1 var(--font);color:#202124;
}
.searchbar input::placeholder{color:#9aa0a6}
.searchbar input:focus{box-shadow:none}
.searchbar input::-webkit-search-cancel-button{
  -webkit-appearance:none;appearance:none;
  height:18px;width:18px;margin-right:4px;border-radius:50%;
  background:
    linear-gradient(45deg,transparent 42%,#70757a 42% 58%,transparent 58%),
    linear-gradient(-45deg,transparent 42%,#70757a 42% 58%,transparent 58%);
  cursor:pointer;opacity:.7;
}
.searchbar #go{
  height:40px;margin:2px;padding:0 18px;border-radius:20px;
  font:500 14px/1 var(--font);
  background:#1a73e8;color:#fff;border:0;
  box-shadow:none;
}
.searchbar #go:hover{transform:none;background:#1765cc;color:#fff;border:0}
.quick{
  display:none;gap:6px;overflow-x:auto;scrollbar-width:none;
  margin-inline:calc(-1 * var(--pad)) calc(-1 * var(--pad-r));
  padding-inline:var(--pad) var(--pad-r);
  justify-content:flex-start;
}
.quick::-webkit-scrollbar{display:none}
.quick.on{display:flex}
.quick button{
  flex:0 0 auto;height:28px;padding:0 10px;border-radius:999px;border:1px dashed var(--line2);
  background:transparent;color:var(--mute);font:600 12px/1 var(--font);cursor:pointer;
}

.tuner,.cal{
  display:none;
  margin:8px var(--pad) 0;margin-right:var(--pad-r);
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--panel);box-shadow:var(--shadow);overflow:hidden;
}
.tuner.on,.cal.on{display:block}
.tuner.on{display:flex;flex-direction:column;min-height:0}
.tuner-head{
  width:100%;display:flex;align-items:center;gap:10px;padding:12px 14px;
  border:0;background:transparent;cursor:pointer;text-align:left;
  flex:0 0 auto;
}
.tuner-head b{font:700 13px/1 var(--font)}
.tuner-head span{color:var(--mute);font:500 12px/1.3 var(--font);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tuner-body{
  display:none;min-height:0;overflow:auto;overscroll-behavior:contain;
  padding:0 14px 14px;border-top:1px solid var(--line);
}
.tuner:not(.folded) .tuner-body{display:block}
.presets{display:flex;flex-wrap:nowrap;gap:6px;padding:12px 0;overflow-x:auto;scrollbar-width:none}
.presets::-webkit-scrollbar{display:none}
.grid2{display:grid;grid-template-columns:1fr;gap:10px}
.field{display:flex;flex-direction:column;gap:5px}
.field.span{grid-column:1/-1}
.field label{font:600 11px/1 var(--font);color:var(--mute)}
.field input,.field select{
  height:38px;border-radius:10px;border:1px solid var(--line2);
  padding:0 10px;background:#fff;outline:none;width:100%;
}
.range{display:flex;align-items:center;gap:6px}
.range input{flex:1;min-width:0}
.range i{color:var(--mute);font-style:normal;font-size:11px;flex:0 0 auto}
.tuner-foot{display:flex;gap:8px;justify-content:flex-end;padding-top:12px}
.cal{
  width:min(400px,calc(100% - var(--pad) - var(--pad-r)));
  margin-right:auto;
  padding:12px;
  align-self:flex-start;
}
.cal-head{display:flex;gap:6px;align-items:center;margin-bottom:8px;flex-wrap:wrap}
.cal-head select{height:32px;border-radius:8px;border:1px solid var(--line2);padding:0 8px;background:#fff}
.cal-hint{margin:0 0 8px;color:var(--mute);font:500 12px/1.4 var(--font)}
.cal-week,.cal-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:3px}
.cal-week span{text-align:center;font:600 11px/26px var(--font);color:var(--mute)}
.cal-grid button{aspect-ratio:1;min-height:34px;border:0;border-radius:8px;background:transparent;cursor:pointer;font:600 12px/1 var(--font)}
.cal-grid button:hover{background:rgba(17,19,24,.05)}
.cal-grid button.in{background:rgba(166,124,45,.12)}
.cal-grid button.edge{background:var(--ink);color:#f4efe4}
.cal-grid button.mute{opacity:.3}
.cal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:10px}

main{
  flex:1;min-height:0;overflow:auto;
  padding:12px var(--pad-r) calc(24px + env(safe-area-inset-bottom)) var(--pad);
  scroll-behavior:smooth;overscroll-behavior-y:contain;-webkit-overflow-scrolling:touch;
}
.status{
  display:none;margin:0 0 10px;max-width:none;
  padding:10px 12px;border-radius:12px;
  background:rgba(255,255,255,.8);border:1px solid var(--line);
  color:var(--mute);font:500 12.5px/1.45 var(--font);white-space:pre-line;
}
.status.on{display:block}
.status-detail{opacity:.68;font-size:12px}
.status .spin{
  display:inline-block;width:11px;height:11px;margin-right:7px;border-radius:50%;
  border:2px solid rgba(17,19,24,.12);border-top-color:var(--brass);
  animation:spin .7s linear infinite;vertical-align:-1px;
}
@keyframes spin{to{transform:rotate(360deg)}}

.feed{
  display:grid;gap:8px;
  grid-template-columns:repeat(var(--cols),minmax(0,1fr));
  align-items:stretch;
  width:100%;
}
.row-card{
  display:grid;grid-template-columns:34px minmax(0,1fr);gap:10px;align-items:start;
  height:100%;min-height:var(--card-h);
  padding:var(--card-pad) 38px var(--card-pad) 10px;border-radius:var(--radius);border:1px solid var(--line);
  background:rgba(255,255,255,.95);cursor:pointer;position:relative;min-width:0;
  transition:transform .16s var(--ease), box-shadow .16s var(--ease), border-color .16s var(--ease);
  animation:rise .32s var(--ease) both;
}
.row-card:hover{transform:translateY(-1px);border-color:rgba(166,124,45,.35);box-shadow:var(--shadow)}
.row-card:active{transform:scale(.995)}
@keyframes rise{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.rank{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  font:800 12px/1 var(--display);background:var(--panel-soft);color:var(--mute);
}
.rank.t1{background:linear-gradient(135deg,#f0d48a,#a67c2d);color:#1a1408}
.rank.t2{background:rgba(166,124,45,.16);color:var(--brass-deep)}
.rank.t3{background:rgba(13,122,95,.12);color:var(--mint)}
.card-body{display:flex;flex-direction:column;gap:6px;min-width:0;min-height:0;height:100%}
.title{
  font:600 clamp(13.5px,3.6vw,15px)/1.35 var(--font);letter-spacing:-.015em;margin:0;
  height:calc(1.35em * 2);max-height:calc(1.35em * 2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.solved{margin-left:6px;color:var(--mint);font:700 11px/1 var(--font);white-space:nowrap}
.meta{
  display:flex;flex-wrap:nowrap;gap:4px 8px;align-items:center;
  color:var(--mute);font:500 11.5px/1.25 var(--font);
  min-height:1.25em;overflow:hidden;
}
.meta > *{flex:0 0 auto}
.meta .mx{color:var(--brass-deep);font-weight:700}
.meta .hot{color:var(--coral);font-weight:600}
.meta .author{color:var(--sky);cursor:pointer;font-weight:600;max-width:8em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.meta .author:hover{text-decoration:underline}
.meta .sec{color:var(--faint)}
.tags{
  display:flex;flex-wrap:nowrap;gap:5px;align-items:center;
  height:18px;margin-top:auto;overflow:hidden;
}
.tag{
  display:inline-flex;align-items:center;height:18px;padding:0 6px;border-radius:999px;
  background:rgba(17,19,24,.05);font:600 10.5px/1 var(--font);color:var(--mute);
  max-width:9em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.blurb{display:none}
.more{display:none}
.sentinel{display:none}
.pager{
  display:none;grid-column:1/-1;
  margin:28px 0 20px;
  padding:14px 12px;
  align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;
  border-top:1px solid var(--line);
}
.pager.on{display:flex}
.pager button{
  height:36px;min-width:36px;padding:0 12px;border-radius:10px;
  border:1px solid var(--line2);background:rgba(255,255,255,.92);
  color:var(--mute);font:600 12.5px/1 var(--font);cursor:pointer;
}
.pager button:hover:not(:disabled){border-color:rgba(166,124,45,.45);color:var(--brass)}
.pager button.on{background:var(--ink);color:#f4efe4;border-color:transparent}
.pager button:disabled{opacity:.35;cursor:not-allowed}
.pager .pg-info{color:var(--mute);font:500 12px/1 var(--font);padding:0 6px}
.google-cse-more{
  display:none;
  margin:8px 0 28px;
  padding:18px 16px;
  text-align:center;
  border:1px dashed rgba(166,124,45,.35);
  border-radius:14px;
  background:linear-gradient(180deg,rgba(255,252,245,.9),rgba(248,246,240,.7));
}
.google-cse-more.on{display:block}
.google-cse-more p{
  margin:0 0 10px;color:var(--mute);font:500 13px/1.45 var(--font);
}
.google-cse-more a{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 16px;border-radius:999px;
  background:var(--ink);color:#f4efe4;text-decoration:none;
  font:650 13px/1 var(--font);
}
.google-cse-more a:hover{opacity:.92}
.google-source{color:var(--brass)}
.row-card.is-google .g-snip{
  margin:8px 0 0;color:var(--mute);font:500 13px/1.45 var(--font);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.row-card.is-google .google-source{
  font-weight:700;
}
.gsc-results-wrapper-overlay,
.gsc-modal-background-image,
.gsc-modal-background-image-visible,
.gsc-results-close-btn{
  display:none !important;
  visibility:hidden !important;
  pointer-events:none !important;
  opacity:0 !important;
}
body.gsc-noscroll, html.gsc-noscroll{overflow:auto !important; position:static !important}
#googleNative{
  position:fixed !important; left:-10000px !important; top:0 !important;
  width:640px !important; height:900px !important;
  overflow:auto !important; opacity:0.01 !important; pointer-events:auto !important;
  z-index:-1 !important;
}

#totop{
  position:fixed;right:max(12px,env(safe-area-inset-right));bottom:max(12px,env(safe-area-inset-bottom));
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line2);background:var(--panel);
  box-shadow:var(--shadow);cursor:pointer;display:none;z-index:40;font:700 15px/1 var(--font);
}
#totop.on{display:grid;place-items:center}

.mask{display:none;position:fixed;inset:0;background:rgba(11,12,14,.42);z-index:80;backdrop-filter:blur(6px)}
.mask.on{display:block}
.sheet{
  position:fixed;z-index:90;background:var(--panel);border:1px solid var(--line);
  box-shadow:0 24px 60px rgba(11,12,14,.24);display:none;
}
.sheet{
  top:50%;left:50%;transform:translate(-50%,-50%);
  width:min(560px, calc(100vw - 20px));
  max-height:min(88dvh,820px);
  border-radius:22px;border:1px solid rgba(11,12,14,.14);
  padding:0;overflow:hidden;
  display:none;flex-direction:column;
  background:
    radial-gradient(ellipse 70% 55% at 100% 0%,rgba(58,123,213,.20),transparent 58%),
    radial-gradient(ellipse 55% 45% at 0% 100%,rgba(224,122,95,.14),transparent 55%),
    radial-gradient(ellipse 40% 40% at 90% 80%,rgba(224,176,58,.12),transparent 50%),
    repeating-linear-gradient(90deg,transparent 0 10px,rgba(11,12,14,.02) 10px 11px),
    linear-gradient(160deg,#f8f9fb 0%,#eef0f4 50%,#e3e6ed 100%);
  box-shadow:
    0 1px 0 rgba(255,255,255,.65) inset,
    0 28px 70px rgba(11,12,14,.28);
}
.sheet.on{display:flex;animation:sheetIn .28s var(--ease) both}
@keyframes sheetIn{from{opacity:0;transform:translate(-50%,-46%) scale(.98)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}
.sheet::before{
  content:"";position:absolute;inset:7px;border-radius:16px;pointer-events:none;z-index:0;
  border:1px solid rgba(11,12,14,.10);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.35);
}
.sheet > *{position:relative;z-index:1}

.sheet-hero{
  flex:0 0 auto;
  margin:0;padding:14px 16px 12px;
  border:0;border-radius:0;
  border-bottom:1px solid rgba(11,12,14,.08);
  background:
    radial-gradient(ellipse 60% 120% at 100% 0%,rgba(58,123,213,.22),transparent 55%),
    linear-gradient(135deg,rgba(255,255,255,.55),rgba(236,238,243,.35));
  box-shadow:none;overflow:hidden;position:relative;
}
.sheet-hero::after{
  content:"";position:absolute;right:-18px;top:-24px;width:110px;height:110px;border-radius:50%;
  background:
    radial-gradient(circle at 40% 40%,rgba(58,123,213,.32),transparent 42%),
    radial-gradient(circle at 70% 60%,rgba(224,122,95,.24),transparent 40%);
  filter:blur(1px);pointer-events:none;
}
.sheet-bar{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px;
  margin-bottom:10px;position:relative;z-index:1;
}
.sheet-bar .sheet-side{display:flex;align-items:center;gap:6px}
.sheet-bar .sheet-side.end{justify-content:flex-end}
.sheet-bar .btn.ghost{
  height:30px;padding:0 11px;border-radius:999px;
  background:rgba(255,255,255,.82);border:1px solid rgba(11,12,14,.12);box-shadow:none;
  font-size:12px;
}
.sheet-hero-main{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  position:relative;z-index:1;
}
.sheet-hero-copy{min-width:0}
.sheet-hero-copy small{
  display:block;font:700 8px/1 var(--font);letter-spacing:.24em;text-transform:uppercase;
  color:var(--ink);opacity:.58;margin-bottom:5px;
}
.sheet-hero-copy h2{
  margin:0;font:800 24px/1 var(--display);letter-spacing:-.04em;
}
.sheet-hero-copy p{
  margin:5px 0 0;color:var(--mute);font:500 12.5px/1.35 var(--font);max-width:22em;
}
.sheet-chip{
  width:42px;height:30px;border-radius:6px;flex:0 0 auto;
  border:1px solid rgba(11,12,14,.22);
  background:linear-gradient(160deg,#f4f5f7 0%,#c5cad3 45%,#8f98a6 78%,#dde1e7 100%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.75), 0 6px 14px rgba(11,12,14,.12);
  position:relative;
}
.sheet-chip::before{
  content:"";position:absolute;inset:7px 5px;border-radius:2px;
  background:repeating-linear-gradient(90deg,
    rgba(176,141,46,.9) 0 2px,
    rgba(120,95,30,.55) 2px 3px,
    transparent 3px 5px);
}

.sheet-body{
  flex:1;min-height:0;overflow:auto;
  padding:12px 14px;
  max-width:none;width:100%;margin:0;
}
.fcard{
  margin-bottom:10px;
  padding:0;
  border-radius:14px;
  border:1px solid rgba(11,12,14,.11);
  background:rgba(255,255,255,.9);
  box-shadow:0 1px 0 rgba(255,255,255,.75) inset, 0 8px 18px rgba(11,12,14,.05);
  overflow:visible;
}
.fcard-head{
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;
  border-bottom:1px solid rgba(11,12,14,.07);
  background:linear-gradient(90deg,rgba(58,123,213,.08),rgba(224,176,58,.05) 55%,transparent);
}
.fcard-num{
  width:28px;height:28px;border-radius:9px;flex:0 0 auto;
  display:grid;place-items:center;
  font:800 11px/1 var(--display);color:#1a1408;
  background:linear-gradient(135deg,#f0d48a,#a67c2d);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.45);
}
.fcard-num.n2{background:linear-gradient(135deg,#9ec5f5,#3a7bd5);color:#fff}
.fcard-num.n3{background:linear-gradient(135deg,#f0b3a4,#e07a5f);color:#fff}
.fcard-num.n4{background:linear-gradient(135deg,#9fd0b8,#3d8b6e);color:#fff}
.fcard-head .flabel{
  margin:0;flex:1;display:flex;flex-direction:column;align-items:flex-start;gap:3px;
  font:800 14px/1.1 var(--display);letter-spacing:-.02em;text-transform:none;color:var(--ink);
}
.fcard-head .flabel .hint{
  font:500 11.5px/1.2 var(--font);letter-spacing:0;text-transform:none;color:var(--mute);
}
.fcard-body{padding:10px 12px 12px}
.mode-pair{
  display:inline-flex;padding:3px;border-radius:999px;gap:2px;
  background:rgba(11,12,14,.06);border:1px solid rgba(11,12,14,.08);margin-bottom:10px;
}
.mode-pair .chip{height:28px;padding:0 12px;border:0;background:transparent;box-shadow:none;font-size:12px}
.mode-pair .chip.on{background:var(--ink);color:#f4f5f7}
.cascade{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  position:relative;z-index:30;
}
.casc-item{position:relative}
.casc-btn{
  display:inline-flex;align-items:center;gap:7px;
  height:34px;padding:0 12px;border-radius:999px;cursor:pointer;
  border:1px solid rgba(11,12,14,.12);
  background:rgba(255,255,255,.72);
  font:600 13px/1 var(--font);color:var(--ink);
  box-shadow:0 1px 0 rgba(255,255,255,.55) inset;
}
.casc-btn:hover{background:#fff}
.casc-btn.on,.casc-btn.open{
  border-color:rgba(58,116,196,.35);
  background:rgba(58,116,196,.10);
  color:#1d4f96;
}
.casc-btn[disabled]{opacity:.45;cursor:not-allowed}
.casc-sq{
  width:10px;height:10px;border-radius:2px;flex:0 0 auto;
  background:var(--sky);box-shadow:inset 0 0 0 1px rgba(0,0,0,.12);
}
.casc-caret{opacity:.55;font-size:11px;margin-left:2px}
.casc-menu{
  display:none;position:absolute;top:calc(100% + 6px);left:0;z-index:160;
  min-width:220px;max-width:min(320px,86vw);
  max-height:min(52vh,420px);overflow:auto;padding:6px;
  border-radius:12px;border:1px solid rgba(11,12,14,.12);
  background:#fff;box-shadow:0 16px 40px rgba(11,12,14,.18);
}
.casc-menu.open{display:block}
.casc-opt{
  display:flex;align-items:center;gap:8px;width:100%;
  text-align:left;border:0;background:transparent;cursor:pointer;
  padding:10px 10px;border-radius:8px;
  font:500 13.5px/1.3 var(--font);color:var(--ink);
}
.casc-opt:hover{background:rgba(11,12,14,.05)}
.casc-opt.on{background:rgba(58,116,196,.12);color:#1d4f96;font-weight:700}
.casc-opt .casc-sq{width:9px;height:9px}
.casc-opt small{margin-left:auto;color:var(--mute);font:500 12px/1 var(--font)}
.casc-empty{padding:14px 12px;color:var(--mute);font:500 13px/1.4 var(--font)}
.sheet-cascade{margin-bottom:4px}
.sheet-cascade .casc-btn{height:36px;border-radius:10px;background:#fff}

.hot-tags{
  display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;
  max-height:200px;overflow:auto;padding:2px 0 4px;
  -webkit-overflow-scrolling:touch;
}
.hot-tags .chip{height:28px;padding:0 11px;font-size:12px}
.tag-results{
  display:none;max-height:140px;overflow:auto;border:1px solid rgba(11,12,14,.10);
  border-radius:11px;margin-top:8px;background:#fff;
}
.tag-results.on{display:block}
.tag-hit{
  width:100%;display:flex;justify-content:space-between;gap:8px;padding:10px 12px;
  border:0;border-bottom:1px solid rgba(11,12,14,.06);background:transparent;cursor:pointer;text-align:left;
  font:600 13px/1.3 var(--font);
}
.tag-hit:last-child{border-bottom:0}
.tag-hit:hover{background:rgba(58,123,213,.06)}
.tag-hit small{color:var(--mute);font-weight:500}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.chip-x{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 10px;border-radius:999px;
  border:1px solid rgba(58,123,213,.22);background:rgba(58,123,213,.08);
  color:#245ea8;font:600 12px/1 var(--font);
}
.chip-x button{border:0;background:transparent;cursor:pointer;color:inherit;font:700 14px/1 var(--font);padding:0;opacity:.7}
.fgrid{display:grid;grid-template-columns:1fr;gap:8px}
.fgrid input,.fgrid select,.sheet-body input[type=text]{
  width:100%;height:40px;border-radius:11px;border:1px solid rgba(11,12,14,.14);
  padding:0 11px;background:rgba(255,255,255,.95);outline:none;
  transition:border-color .15s var(--ease), box-shadow .15s var(--ease);
}
.sheet-body input[type=text]:focus,.fgrid select:focus{
  border-color:rgba(58,123,213,.45);box-shadow:0 0 0 3px rgba(58,123,213,.12);
}
.sheet-foot{
  flex:0 0 auto;
  padding:10px 14px 14px;
  border-top:1px solid rgba(11,12,14,.08);
  background:linear-gradient(180deg,rgba(247,248,250,.65),rgba(236,238,243,.9));
  backdrop-filter:blur(10px);
}
.sheet-foot-inner{max-width:none;margin:0;display:flex;gap:8px}
.sheet-foot .btn{flex:1;height:44px;border-radius:13px;font:700 14px/1 var(--font)}
.sheet-foot .btn.primary{
  background:
    linear-gradient(180deg,rgba(255,255,255,.12),transparent 40%),
    linear-gradient(135deg,#2a2e36,#0b0c0e 55%,#1a2230);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 1px 0 rgba(255,255,255,.2) inset, 0 10px 22px rgba(11,12,14,.2);
}
.sheet-foot .btn.primary:hover{filter:brightness(1.06)}

@media (max-width:480px){
  .sheet{
    top:auto;bottom:0;left:0;right:0;transform:none;
    width:100%;max-height:min(90dvh,820px);
    border-radius:20px 20px 0 0;
  }
  .sheet.on{animation:sheetUp .28s var(--ease) both}
  @keyframes sheetUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
  .sheet-hero-copy p{display:none}
  .searchbar{padding:3px 4px 3px 12px;border-radius:22px}
  .search-src-btn{font-size:12.5px;height:34px}
  .searchbar input{height:40px;font-size:16px}
  .searchbar #go{height:36px;padding:0 14px;font-size:13px}
}

.muted{color:var(--mute);font:500 12.5px/1.45 var(--font)}

@media (max-width:460px){
  :root{--chip-h:30px;--card-pad:10px;--radius:12px;--hero-pad-y:10px;--hero-gap:7px;--btn-h:32px}
  .btn .full{display:none}
  .btn .short{display:inline}
  .btn{padding:0 8px;min-width:32px}
  .eyebrow{display:none}
  .brand h1{font-size:16px}
  .mark{width:28px;height:20px}
  .seg button{padding:7px 11px;font-size:12.5px}
  .chip{font-size:12px;padding:0 11px}
  .search-src-btn span:first-child{max-width:4.5em;overflow:hidden;text-overflow:ellipsis}
  .meta .sec{display:none}
  .actions{gap:5px}
  .topbar::before{inset:4px;border-radius:8px}
  :root{--card-h:104px}
}
@media (min-width:480px){
  :root{--pad:16px;--pad-r:16px;--hero-pad-y:12px;--hero-gap:8px}
  .grid2{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:560px){
  .fgrid{grid-template-columns:1fr 1fr}
}
@media (min-width:720px){
  :root{
    --pad:20px;--pad-r:20px;
    --shell-max:100%;--feed-max:100%;
    --hero-pad-y:14px;--hero-gap:10px;
    --chip-h:34px;--btn-h:36px;--seg-pad:3px;
  }
  .topbar-row{
    grid-template-columns:auto auto minmax(0,1fr) auto;
    grid-template-areas:"brand mode . actions";
    gap:8px 14px;
    min-height:44px;
  }
  .mode-row{justify-content:flex-start}
  .mode-row .seg{width:auto;display:inline-flex}
  .seg button{min-width:60px;padding:8px 18px;font-size:13px}
  .brand{gap:10px}
  .actions{gap:7px}
  .rail{
    margin-inline:0;padding-inline:0;flex-wrap:wrap;overflow:visible;gap:7px;
    mask-image:none;-webkit-mask-image:none;
    justify-content:flex-start;
  }
  .quick{margin-inline:0;padding-inline:0;flex-wrap:wrap;overflow:visible;justify-content:flex-start}
  .grid2{grid-template-columns:repeat(3,minmax(0,1fr))}
  }
@media (min-width:980px){
  :root{
    --shell-max:100%;--feed-max:100%;--cols:2;
    --pad:clamp(22px,2.4vw,36px);--pad-r:clamp(22px,2.4vw,36px);
    --card-pad:14px;--card-h:118px;
    --hero-pad-y:16px;--hero-gap:11px;
    --chip-h:36px;--btn-h:38px;
  }
  .topbar-row{min-height:48px;gap:8px 18px}
  .brand h1{font-size:clamp(20px,1.8vw,24px)}
  .mark{width:36px;height:26px}
  .eyebrow{font-size:8px;letter-spacing:.26em}
  .seg{border-radius:12px}
  .seg button{min-width:68px;padding:9px 20px;font-size:13.5px;border-radius:9px}
  .chip{font-size:13px;padding:0 14px}
  .btn{font-size:13px;padding:0 14px;border-radius:10px}
  .feed{gap:10px}
  .row-card{grid-template-columns:36px minmax(0,1fr)}
}
@media (min-width:1400px){
  :root{
    --cols:3;--card-h:122px;
    --pad:clamp(26px,2.8vw,44px);--pad-r:clamp(26px,2.8vw,44px);
    --hero-pad-y:18px;--hero-gap:12px;
  }
  .feed{gap:12px}
  .topbar-row{gap:10px 18px}
}
@media (min-width:1800px){
  :root{--pad:clamp(30px,3vw,48px);--pad-r:clamp(30px,3vw,48px);--hero-pad-y:18px}
}
@media (hover:none){
  .row-card:hover{transform:none;box-shadow:none;border-color:var(--line)}
}
html.ios-safari body{height:var(--app-height,100dvh);min-height:var(--app-height,100dvh)}
html.ios-safari input,
html.ios-safari select,
html.ios-safari textarea{font-size:16px}
html.ios-safari .sheet-foot{
  padding-bottom:max(14px,calc(env(safe-area-inset-bottom) + 8px));
}
@media (orientation:landscape) and (max-height:500px){
  :root{
    --hero-pad-y:6px;--hero-gap:5px;--chip-h:30px;--btn-h:32px;
    --card-pad:10px;--card-h:100px;--cols:2;
  }
  .topbar-row{min-height:36px}
  .brand h1{font-size:17px}
  .eyebrow{display:none}
  .rail,.quick{gap:5px}
  .quick{display:none !important}
  main{padding-top:8px;padding-bottom:calc(12px + env(safe-area-inset-bottom))}
  .sheet{max-height:calc(var(--app-height,100dvh) - 8px)}
}
@media (prefers-reduced-motion:reduce){
  .row-card,.status .spin,.sheet.on,.fcard{animation:none}
}