:root{
  color-scheme: dark;
  --bg: #0b1220;
  --panel: #0f1a2f;
  --text: #e6edf7;
  --muted: #a9b6cb;
  --line: rgba(255,255,255,0.08);
  --shadow: 0 14px 40px rgba(0,0,0,0.35);
  --radius: 14px;
  --radius2: 12px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
}
*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
}
html{
  scrollbar-gutter: stable;
}
a{ color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, input:focus-visible{
  outline: 2px solid rgba(120,170,255,0.65);
  outline-offset: 2px;
}
.bg{
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(900px 600px at 20% 0%, rgba(64,110,255,0.20), transparent 55%),
    radial-gradient(900px 600px at 70% 10%, rgba(0,220,255,0.10), transparent 55%),
    var(--bg);
  transform: translateZ(0);
}
.app{
  max-width: 1250px;
  margin: 0 auto;
  padding: 18px;
  min-height: 100%;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 16px;
}
.topbar{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}
.brand{
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 240px;
}
.logo{
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(0,164,239,0.30), rgba(242,80,34,0.20));
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
}
.logo svg{ width: 18px; height: 18px; opacity: 0.95; }
.title{
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.1;
}
.title strong{ font-size: 15px; font-weight: 700; }
.title span{ font-size: 12px; color: var(--muted); }
.topControls{
  flex: 1;
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
}
.searchWrap{
  flex: 1;
  min-width: 260px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  background: linear-gradient(180deg, rgba(255,255,255,0.055), rgba(255,255,255,0.025));
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 12px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
  transition:
    border-color 140ms ease,
    background 140ms ease,
    box-shadow 140ms ease,
    transform 120ms ease;
}
.searchWrap:hover{
  background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.03));
  border-color: rgba(255,255,255,0.14);
}
.searchWrap:focus-within{
  border-color: rgba(120,170,255,0.42);
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.035));
  box-shadow:
    0 0 0 1px rgba(120,170,255,0.18),
    0 0 0 4px rgba(120,170,255,0.10),
    inset 0 1px 0 rgba(255,255,255,0.04);
  transform: translateY(-1px);
}
.searchWrap svg{
  width: 16px;
  height: 16px;
  opacity: 0.78;
  flex: 0 0 auto;
}
#search{
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 14px;
  outline: none;
  letter-spacing: 0.1px;
}
#search::placeholder{
  color: rgba(220,230,245,0.48);
}
.pillRow{
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.pill{
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  padding: 9px 12px;
  border-radius: 999px;
  font-size: 13px;
  cursor: pointer;
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.08s ease, background 0.15s ease, border-color 0.15s ease;
}
.pill:hover{ background: rgba(255,255,255,0.07); }
.pill:active{ transform: translateY(1px); }
.pill[aria-pressed="true"]{
  background: rgba(120,170,255,0.16);
  border-color: rgba(120,170,255,0.35);
}
.layout{
  display: grid;
  grid-template-columns: 290px 1fr;
  gap: 18px;
  min-height: 540px;
  align-items: start;
}
aside,
main{
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  backdrop-filter: blur(12px);
}
aside{
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 18px;
  max-height: calc(100vh - 36px);
}
.sideHead{
  padding: 14px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  position: sticky;
  top: 0;
  z-index: 2;
  background: linear-gradient(180deg, rgba(15,26,47,0.96), rgba(15,26,47,0.88));
  backdrop-filter: blur(10px);
}
.sideHead strong{ font-size: 13px; letter-spacing: 0.2px; }
.sideHead span{ font-size: 12px; color: var(--muted); }
.catList{
  padding: 10px;
  overflow: auto;
  flex: 1;
}
details{
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(0,0,0,0.14);
  border-radius: 12px;
  margin-bottom: 10px;
}
summary{
  list-style: none;
  cursor: pointer;
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  user-select: none;
  transition: background 140ms ease;
}
summary:hover{
  background: rgba(255,255,255,0.035);
}
summary::-webkit-details-marker{ display: none; }
.summaryLeft{
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.summaryLeft strong{ font-size: 13px; }
.summaryLeft span{ font-size: 12px; color: var(--muted); }
.subList{
  padding: 0 8px 10px 8px;
  display: grid;
  gap: 6px;
}
.subBtn{
  width: 100%;
  text-align: left;
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.025);
  color: var(--text);
  padding: 10px 10px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  transition:
    background 140ms ease,
    border-color 140ms ease,
    transform 120ms ease;
}
.subBtn:hover{
  background: rgba(255,255,255,0.055);
  border-color: rgba(120,170,255,0.20);
  transform: translateX(2px);
}
.subBtn[aria-current="true"]{
  background: rgba(120,170,255,0.14);
  border-color: rgba(120,170,255,0.35);
  box-shadow: inset 0 0 0 1px rgba(120,170,255,0.12);
}
main{
  display: flex;
  flex-direction: column;
  min-height: 0;
  position: relative;
}
.mainHead{
  padding: 14px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 2;
  background: linear-gradient(180deg, rgba(15,26,47,0.96), rgba(15,26,47,0.88));
  backdrop-filter: blur(10px);
}
.mainHead .left{
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.mainHead .left strong{ font-size: 14px; }
.mainHead .left span{ font-size: 12px; color: var(--muted); }
.grid{
  padding: 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  content-visibility: auto;
  contain-intrinsic-size: 800px;
}
.hl{
  background: rgba(255, 200, 80, 0.22);
  color: #fff3c4;
  padding: 1px 4px;
  border-radius: 6px;
  box-shadow: inset 0 0 0 1px rgba(255, 200, 80, 0.18);
}
.card{
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.07);
  background: rgba(0,0,0,0.16);
  border-radius: var(--radius2);
  padding: 12px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  contain: content;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
  will-change: transform;
}
.card::before{
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    600px circle at var(--mouse-x) var(--mouse-y),
    rgba(120,170,255,0.10),
    transparent 40%
  );
  opacity: 0;
  transition: opacity 200ms ease;
  pointer-events: none;
}
.card:hover{
  transform: translateY(-3px);
  border-color: rgba(120,170,255,0.24);
  background: rgba(0,0,0,0.22);
  box-shadow:
    0 2px 6px rgba(0,0,0,0.25),
    0 12px 28px rgba(0,0,0,0.35);
}
.card:hover::before{
  opacity: 1;
}
.cardMain{
  flex: 1;
  min-width: 0;
}
.cardTitleRow{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}
.cardTitle{
  font-size: 13px;
  font-weight: 700;
  margin: 0;
  line-height: 1.25;
}
.cardMeta{
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.tag{
  border: 1px solid rgba(255,255,255,0.09);
  background: rgba(255,255,255,0.04);
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 11px;
  color: rgba(230,237,247,0.85);
}
.url{
  margin-top: 8px;
  font-size: 12px;
  color: rgba(220,230,245,0.62);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.actions{
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  padding-left: 6px;
}
.actionsTop{
  display: flex;
  gap: 8px;
  align-items: center;
}
.iconBtn{
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.035);
  color: var(--text);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition:
    background 140ms ease,
    border-color 140ms ease,
    transform 120ms ease,
    box-shadow 140ms ease;
}
.iconBtn svg{ width: 18px; height: 18px; opacity: 0.92; }
.iconBtn:hover{
  background: rgba(255,255,255,0.08);
  border-color: rgba(120,170,255,0.35);
  box-shadow: 0 0 0 1px rgba(120,170,255,0.20);
}
.iconBtn:active{
  transform: translateY(1px);
}
.iconBtn[aria-pressed="true"]{
  background: rgba(255,215,0,0.10);
  border-color: rgba(255,215,0,0.35);
}
.openBtn{
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(120,170,255,0.12);
  color: var(--text);
  cursor: pointer;
  padding: 10px 12px;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  min-width: 112px;
  width: 112px;
  transition:
    background 140ms ease,
    border-color 140ms ease,
    transform 120ms ease,
    box-shadow 140ms ease;
}
.openBtn:hover{
  background: rgba(120,170,255,0.18);
  border-color: rgba(120,170,255,0.30);
  box-shadow: 0 0 0 1px rgba(120,170,255,0.16);
}
.openBtn:active{
  transform: translateY(1px);
}
.openBtn svg{ width: 16px; height: 16px; opacity: 0.9; }
.empty{
  padding: 18px 14px;
  color: var(--muted);
  font-size: 13px;
}
footer{
  padding: 14px;
  color: rgba(220,230,245,0.55);
  font-size: 12px;
  text-align: center;
}
.iconToggle{
  width:38px;
  height:38px;
  border-radius:10px;
  border:1px solid var(--line);
  background:rgba(255,255,255,0.04);
  color:var(--text);
  display:grid;
  place-items:center;
  cursor:pointer;
  transition:
    background 140ms ease,
    border-color 140ms ease,
    transform 120ms ease,
    box-shadow 140ms ease;
}
.iconToggle svg{
  width:18px;
  height:18px;
  opacity:0.9;
}
.iconToggle:hover{
  background:rgba(255,255,255,0.08);
  border-color:rgba(120,170,255,0.35);
}
.iconToggle:active{
  transform:translateY(1px);
}
.iconToggle[aria-pressed="true"]{
  background:rgba(120,170,255,0.14);
  border-color:rgba(120,170,255,0.45);
}
@media (max-width: 980px){
  .layout{
    grid-template-columns: 1fr;
  }
  aside{
    position: static;
    max-height: none;
  }
  .sideHead,
  .mainHead{
    position: static;
    backdrop-filter: none;
  }
  .grid{
    grid-template-columns: 1fr;
  }
  .brand{
    min-width: 0;
  }
  .searchWrap{
    min-width: 220px;
  }
  .catList{
    max-height: none;
  }
}
.aboutModal{
  position: fixed;
  inset: 0;
  background: rgba(5,12,25,0.35);
  backdrop-filter: blur(6px);
  display: grid;
  place-items: center;
  z-index: 5000;
  padding: 16px;
}
.aboutPanel{
  width: min(640px, 92vw);
  max-height: min(82vh, 760px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalIn 180ms ease-out;
  will-change: transform, opacity;
  background: linear-gradient(180deg, rgba(18,30,55,0.95), rgba(12,22,40,0.95));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow:
    0 20px 60px rgba(0,0,0,0.45),
    inset 0 1px 0 rgba(255,255,255,0.06);
  padding: 0;
  position: relative;
}
.aboutPanel::before{
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    600px circle at 50% -200px,
    rgba(120,170,255,0.15),
    transparent 60%
  );
  pointer-events: none;
}
.aboutHeader{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  margin-bottom: 0;
  position: sticky;
  top: 0;
  z-index: 2;
  background: linear-gradient(180deg, rgba(18,30,55,0.98), rgba(12,22,40,0.94));
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.aboutHeader strong{
  font-size: 16px;
  line-height: 1.3;
}
.aboutContent{
  flex: 1;
  overflow-y: auto;
  padding: 8px 20px 20px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
  scrollbar-gutter: stable;
}
.aboutContent p{
  margin: 12px 0;
}
.aboutContent p:first-child{
  margin-top: 0;
}
.aboutContent p:last-child{
  margin-bottom: 0;
}
.aboutModal[hidden]{
  display: none;
}
@keyframes modalIn{
  from{
    transform: translateY(10px) scale(0.98);
    opacity: 0;
  }
  to{
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}
@media (max-width: 640px){
  .aboutModal{
    padding: 12px;
  }
  .aboutPanel{
    width: 100%;
    max-height: 88vh;
  }
  .aboutHeader{
    padding: 16px;
  }
  .aboutContent{
    padding: 6px 16px 16px;
    line-height: 1.6;
  }
  .aboutContent p{
    margin: 10px 0;
  }
}
@media (max-height: 820px){
  .aboutModal{
    place-items: center;
    padding: 10px;
  }
  .aboutPanel{
    max-height: 88vh;
  }
  .aboutHeader{
    padding: 14px 16px;
  }
  .aboutHeader strong{
    font-size: 15px;
  }
  .aboutContent{
    padding: 6px 16px 16px;
    line-height: 1.55;
  }
  .aboutContent p{
    margin: 10px 0;
  }
}