:root{
  --bg:#0b1020;
  --card:#111a33;
  --card2:#0f1730;
  --text:#e9edff;
  --muted:#aeb8e6;
  --border:rgba(255,255,255,.12);
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --accent:#7c5cff;
  --danger:#ff4d6d;
  --ok:#2dd4bf;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 20% 0%, rgba(124,92,255,.25), transparent 60%),
              radial-gradient(900px 500px at 85% 15%, rgba(45,212,191,.18), transparent 55%),
              var(--bg);
  color:var(--text);
}

.app{max-width:980px; margin:0 auto; padding:18px 14px 34px}

.header{
  display:flex;
  gap:16px;
  justify-content:space-between;
  align-items:flex-start;
  margin-bottom:14px;
}
.header h1{margin:0; font-size:24px; letter-spacing:.2px}
.sub{margin:6px 0 0; color:var(--muted); font-size:14px; line-height:1.35}
.header-actions{display:flex; gap:10px; align-items:center}

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.06), transparent), var(--card);
  border:1px solid var(--border);
  border-radius:16px;
  padding:14px;
  box-shadow:var(--shadow);
}
.card + .card{margin-top:14px}

h2{margin:0 0 10px; font-size:18px}
h3{margin:0; font-size:16px}

.row{display:flex; gap:10px; align-items:center; flex-wrap:wrap}
.row.right{justify-content:flex-end}

label{color:var(--muted); font-size:14px}

input{
  background: var(--card2);
  border:1px solid var(--border);
  color:var(--text);
  border-radius:12px;
  padding:10px 12px;
  outline:none;
  width:100%;
  min-width:0;
}
input:focus{border-color: rgba(124,92,255,.6); box-shadow: 0 0 0 3px rgba(124,92,255,.18)}

select{
  background: var(--card2);
  border:1px solid var(--border);
  color:var(--text);
  border-radius:12px;
  padding:10px 12px;
  outline:none;
  width:100%;
  min-width:0;
}
select:focus{border-color: rgba(124,92,255,.6); box-shadow: 0 0 0 3px rgba(124,92,255,.18)}

label{flex: 1 0 140px}

.row > input,
.row > select{
  flex: 2 1 220px;
}

.btn{
  border:1px solid rgba(124,92,255,.5);
  background: linear-gradient(180deg, rgba(124,92,255,.28), rgba(124,92,255,.12));
  color: var(--text);
  padding:10px 12px;
  border-radius:12px;
  cursor:pointer;
  font-weight:600;
}
.btn:hover{border-color: rgba(124,92,255,.75)}
.btn:active{transform: translateY(1px)}

.btn-ghost{
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
}

.icon-btn{
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
  color:var(--text);
  width:36px;
  height:36px;
  border-radius:12px;
  cursor:pointer;
}

.hidden{display:none !important}
.stack{display:flex; flex-direction:column; gap:10px; margin-top:12px}

.game-top{display:flex; justify-content:space-between; align-items:center; gap:10px}

.table-wrap{overflow:auto; border-radius:12px; border:1px solid var(--border)}
.table{width:100%; border-collapse:separate; border-spacing:0}
.table th, .table td{padding:12px 12px; border-bottom:1px solid var(--border)}
.table thead th{background: rgba(255,255,255,.03); text-align:left; position:sticky; top:0}
.table tr:last-child td{border-bottom:none}
.table .num{text-align:right; font-variant-numeric: tabular-nums}

.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
  color:var(--muted);
  font-size:12px;
}

.total-positive{color: var(--ok)}
.total-negative{color: var(--danger)}

.history{margin-top:14px}
.history-head{display:flex; justify-content:space-between; align-items:center; gap:10px; margin-bottom:10px}
.history-list{display:flex; flex-direction:column; gap:10px}

.round-item{
  border:1px solid var(--border);
  border-radius:14px;
  background: rgba(255,255,255,.03);
  padding:12px;
}
.round-item-top{display:flex; justify-content:space-between; align-items:center; gap:10px; margin-bottom:10px}
.round-item .meta{color:var(--muted); font-size:12px}
.round-grid{display:grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap:8px}

.round-item-top > :first-child{min-width:0}

.round-actions{
  margin-left:auto;
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:8px;
  flex: 0 0 auto;
}

.round-actions .btn{white-space:nowrap}
.round-chip{
  border:1px solid var(--border);
  border-radius:12px;
  padding:8px 10px;
  display:flex;
  justify-content:space-between;
  gap:10px;
  background: rgba(17,26,51,.55);
}
.round-chip .delta{font-variant-numeric: tabular-nums}
.round-chip .delta.pos{color:var(--ok)}
.round-chip .delta.neg{color:var(--danger)}

.round-detail{
  margin-top:10px;
  border-top:1px solid var(--border);
  padding-top:10px;
  display:flex;
  flex-direction:column;
  gap:6px;
}

.round-detail-head,
.round-detail-row{
  display:grid;
  grid-template-columns: 1.2fr .6fr .6fr .6fr;
  gap:10px;
  align-items:center;
}

.round-detail-head{
  color:var(--muted);
  font-size:12px;
}

.round-detail-row{
  border:1px solid var(--border);
  background: rgba(17,26,51,.45);
  border-radius:12px;
  padding:8px 10px;
}

.round-detail-row .pos{color:var(--ok)}
.round-detail-row .neg{color:var(--danger)}

.dialog{
  border:0;
  padding:0;
  background: transparent;
  max-width: calc(100vw - 24px);
}

.dialog[open]{
  display:flex;
  align-items:center;
  justify-content:center;
}

.dialog::backdrop{background: rgba(0,0,0,.6)}
.dialog-card{
  border:1px solid var(--border);
  border-radius:16px;
  background: linear-gradient(180deg, rgba(255,255,255,.06), transparent), var(--card);
  color:var(--text);
  box-shadow:var(--shadow);
  padding:14px;
  min-width:min(720px, calc(100vw - 32px));
  max-height: calc(100dvh - 32px);
  overflow:auto;
}
.dialog-head{display:flex; justify-content:space-between; align-items:flex-start; gap:10px; margin-bottom:12px}

#roundInputs{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap:10px;
  margin-top:12px;
}

.round-input-card{
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
  border-radius:14px;
  padding:10px;
  display:flex;
  flex-direction:column;
  gap:10px;
}

.round-input-name{
  font-weight:700;
  color:var(--text);
}

.footer{margin-top:14px; color:var(--muted); font-size:12px}
code{background: rgba(255,255,255,.06); padding:2px 6px; border-radius:8px; border:1px solid var(--border)}

@media (max-width: 520px){
  .app{padding:14px 12px 26px}

  .header{flex-direction:column; align-items:stretch}
  .header-actions{justify-content:flex-start}

  .row{align-items:stretch}
  label{flex: 1 0 100%}
  .row > input,
  .row > select{flex: 1 0 100%}

  .row.right{justify-content:stretch}
  .row.right .btn{flex:1 0 auto}

  .dialog{
    width: 100vw;
    max-width: 100vw;
  }

  .dialog[open]{
    align-items:stretch;
    justify-content:stretch;
  }

  .dialog-card{
    min-width: auto;
    width: calc(100vw - 24px);
    margin: 12px;
    padding:12px;
    max-height: calc(100dvh - 24px);
  }

  #roundInputs{grid-template-columns: 1fr}

  .round-detail-head,
  .round-detail-row{grid-template-columns: 1fr .7fr .7fr .7fr}

  .round-grid{grid-template-columns: 1fr}
}

@media (min-width: 780px){
  .app{padding:26px 18px 44px}
  .header h1{font-size:30px}
  .card{padding:18px}
  .round-grid{grid-template-columns: repeat(auto-fit, minmax(240px, 1fr))}
}