*{box-sizing:border-box}
:root{
  --bg:#0b0d12;
  --card:#131824;
  --card2:#0f1420;
  --muted:#aab4c5;
  --text:#eaf0ff;
  --line:#24304a;
  --accent:#7c5cff;
  --danger:#ff4d6d;
  --ok:#22c55e;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Noto Sans JP", Arial;
  background: radial-gradient(1200px 600px at 30% -10%, rgba(124,92,255,.25), transparent 60%),
              radial-gradient(800px 400px at 90% 0%, rgba(34,197,94,.15), transparent 60%),
              var(--bg);
  color:var(--text);
}
.topbar{
  position:sticky; top:0; z-index:10;
  display:flex; gap:16px; align-items:center; justify-content:space-between;
  padding:14px 16px;
  border-bottom:1px solid var(--line);
  background: rgba(11,13,18,.75);
  backdrop-filter: blur(10px);
}
.brand{display:flex; gap:12px; align-items:center}
.logo{width:40px;height:40px;border-radius:12px;background:rgba(124,92,255,.15);display:grid;place-items:center;font-size:20px;border:1px solid rgba(124,92,255,.35)}
.title{font-weight:800; letter-spacing:.02em}
.subtitle{font-size:12px;color:var(--muted)}
.top-actions{display:flex; gap:10px; align-items:center; flex-wrap:wrap}
.chk{display:flex; gap:8px; align-items:center; color:var(--muted); font-size:13px; user-select:none}
.chk input{transform: translateY(1px)}

.layout{display:grid; grid-template-columns: 320px 1fr; gap:14px; padding:14px; min-height:calc(100% - 70px)}
.panel{
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow: var(--shadow);
  overflow:hidden;
}
.panel-head{
  display:flex; align-items:flex-start; justify-content:space-between;
  gap:12px;
  padding:14px;
  border-bottom:1px solid var(--line);
  background: rgba(19,24,36,.55);
}
.panel-title{font-weight:800}
.panel-meta{font-size:12px;color:var(--muted); margin-top:4px}
.btn{
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color:var(--text);
  padding:9px 12px;
  border-radius:12px;
  cursor:pointer;
  font-weight:700;
  transition: .15s transform, .15s background, .15s border;
}
.btn:hover{transform: translateY(-1px); background: rgba(255,255,255,.06); border-color: rgba(124,92,255,.35)}
.btn:active{transform: translateY(0)}
.btn.primary{background: rgba(124,92,255,.18); border-color: rgba(124,92,255,.45)}
.btn.primary:hover{background: rgba(124,92,255,.24)}
.btn.danger{background: rgba(255,77,109,.12); border-color: rgba(255,77,109,.4)}
.btn.danger:hover{background: rgba(255,77,109,.18)}
.input, .textarea{
  width:100%;
  border:1px solid var(--line);
  background: rgba(15,20,32,.6);
  color: var(--text);
  padding:11px 12px;
  border-radius:14px;
  outline:none;
}
.input:focus,.textarea:focus{border-color: rgba(124,92,255,.6)}
.textarea{min-height:120px; resize: vertical}
.sidebar{min-width:280px}
.blocks{display:flex; flex-direction:column; gap:10px; padding:12px}
.block{
  border:1px solid var(--line);
  background: rgba(15,20,32,.45);
  border-radius:16px;
  padding:12px;
  cursor:pointer;
  transition: .15s transform, .15s border, .15s background;
}
.block:hover{transform: translateY(-1px); border-color: rgba(124,92,255,.35)}
.block.active{border-color: rgba(124,92,255,.65); background: rgba(124,92,255,.10)}
.block-top{display:flex; align-items:center; justify-content:space-between; gap:10px}
.block-title{font-weight:800}
.block-sub{margin-top:6px; font-size:12px; color:var(--muted); display:flex; justify-content:space-between; gap:8px; flex-wrap:wrap}
.block-actions{display:flex; gap:6px}
.iconbtn{
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--text);
  width:34px; height:34px;
  border-radius:12px;
  cursor:pointer;
}
.iconbtn:hover{border-color: rgba(124,92,255,.35)}
.content{min-width: 0}
.content-actions{display:flex; gap:8px; align-items:center; flex-wrap:wrap; justify-content:flex-end}
.addbox{padding:14px; border-bottom:1px solid var(--line); background: rgba(19,24,36,.25)}
.row{display:flex; gap:10px; align-items:center}
.bulk{margin-top:10px}
.bulk summary{cursor:pointer; color:var(--muted); font-weight:700}
.bulk-actions{display:flex; gap:8px; margin-top:8px; flex-wrap:wrap}
.bulk-result{margin-top:8px; font-size:12px; color:var(--muted)}
.list{padding:12px; display:flex; flex-direction:column; gap:10px}
.item{
  border:1px solid var(--line);
  border-radius:16px;
  background: rgba(15,20,32,.40);
  padding:12px;
}
.item-head{display:flex; gap:10px; align-items:flex-start; justify-content:space-between}
.url{
  font-weight:800;
  word-break: break-all;
  line-height:1.35;
}
.meta{margin-top:6px; font-size:12px; color:var(--muted); display:flex; gap:10px; flex-wrap:wrap}
.item-actions{display:flex; gap:8px; align-items:center; flex-wrap:wrap; justify-content:flex-end}
.badge{
  font-size:12px;
  padding:4px 8px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  color: var(--muted);
}
.toast{
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  background: rgba(10,12,18,.88);
  border:1px solid rgba(124,92,255,.35);
  color: var(--text);
  padding:10px 14px;
  border-radius: 14px;
  box-shadow: var(--shadow);
  opacity:0;
  pointer-events:none;
  transition: .2s opacity, .2s transform;
  max-width:min(92vw, 820px);
}
.toast.show{opacity:1; transform: translateX(-50%) translateY(-2px)}
.dialog{border:none; background: transparent}
.dialog::backdrop{background: rgba(0,0,0,.55)}
.dialog-inner{
  width:min(920px, 92vw);
  background: rgba(19,24,36,.95);
  border:1px solid var(--line);
  border-radius:18px;
  padding:14px;
  box-shadow: var(--shadow);
}
.dialog-head{display:flex; align-items:center; justify-content:space-between; gap:10px}
.dialog-title{font-weight:900}
.dialog-hint{color:var(--muted); font-size:12px; margin:10px 0}
.dialog-text{min-height:240px}
.dialog-actions{display:flex; gap:8px; flex-wrap:wrap; justify-content:flex-end}
@media (max-width: 980px){
  .layout{grid-template-columns: 1fr}
}