/* Reset */
*{margin:0;padding:0;box-sizing:border-box}

/* Base */
:root{
  --bg:#f5f7fb;
  --card:#ffffff;
  --text:#1f2937;
  --muted:#6b7280;
  --line:#e5e7eb;
  --blue:#2563eb;
  --blue-600:#1d4ed8;
  --blue-100:#e8f0ff;
  --blue-grad:linear-gradient(90deg,#60a5fa 0%,#2563eb 100%);
  --header-grad:linear-gradient(180deg,#eaf2ff 0%,#dbe8ff 100%);
}

body{
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Inter,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
  padding:28px 16px;
}

.container{max-width:1200px;margin:0 auto}

/* Header */
header{margin-bottom:18px}
h1{font-size:24px;font-weight:800;letter-spacing:.2px;color:#0f172a}
.subtitle{margin-top:6px;color:var(--muted);font-size:14px}

/* Toggle */
.view-toggle{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap}
.toggle-btn{padding:6px 10px;font-size:12px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text);cursor:pointer}
.toggle-btn.is-active{border-color:var(--blue);background:var(--blue-600);color:#fff}

/* Card */
.leaderboard{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:10px;
  box-shadow:0 4px 18px rgba(0,0,0,.04);
  overflow:hidden;
}

/* Table */
table{width:100%;border-collapse:collapse}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.table-wrap table{min-width:760px}

thead th{
  position:sticky;top:0;z-index:2;
  background:var(--header-grad);
  color:#0f172a;
  font-size:12px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.6px;
  padding:12px 10px;
  border-bottom:1px solid var(--line);
}

tbody tr{border-bottom:1px solid var(--line)}
tbody tr:hover{background:#f9fbff}

td{
  padding:12px 10px;
  font-size:14px;
  vertical-align:middle;
}

th:first-child,td:first-child{width:56px}
th.score-col{min-width:280px}

/* Sticky first columns (table view) */
.table-wrap{position:relative}
thead th.sticky-0, thead th.sticky-1{position:sticky;z-index:3;background:var(--header-grad)}
thead th.sticky-0{left:0}
thead th.sticky-1{left:56px}
tbody td.sticky-0, tbody td.sticky-1{position:sticky;z-index:1;background:var(--card)}
tbody td.sticky-0{left:0}
tbody td.sticky-1{left:56px}
thead th.sticky-0, thead th.sticky-1, tbody td.sticky-0, tbody td.sticky-1{box-shadow:1px 0 0 var(--line)}

.rank{color:var(--blue);font-weight:800}
.model-name{font-weight:600}

/* Numbers */
.num{text-align:center;font-variant-numeric:tabular-nums}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace}

/* Score bar (больше заливки = лучше, т.е. меньше ошибок) */
.score-cell{display:flex;align-items:center;gap:10px}
.progress-bar{
  flex:1;height:18px;border-radius:9px;overflow:hidden;
  background:var(--blue-100);outline:1px solid rgba(37,99,235,.15);
}
.progress-fill{height:100%;background:var(--blue-grad);transition:width .35s ease}
.score-value{min-width:100px;text-align:right;color:var(--blue-600);font-weight:700}

/* Link */
td a{color:var(--blue);text-decoration:none;font-weight:600}
td a:hover{text-decoration:underline}

/* Info */
.info-text{padding:12px;color:var(--muted);text-align:center;font-size:13px}

.legend{margin:12px 0 8px;padding:0 4px;color:var(--muted);font-size:13px;line-height:1.55}
.legend p{margin-bottom:8px}
.legend p:last-child{margin-bottom:0}

/* Responsive */
@media (max-width:900px){
  th.score-col{min-width:220px}
  .score-value{min-width:80px}
  td,th{padding:10px 8px}
  h1{font-size:22px}
}

/* Mobile small screens: hide rank column */
@media (max-width:640px){
  thead th.sticky-0, tbody td.sticky-0{display:none}
  thead th.sticky-1, tbody td.sticky-1{left:0}
}

/* Cards-mode (переключатель) */
body.cards-mode .table-wrap table{min-width:0}
body.cards-mode thead{display:none}
body.cards-mode table{display:block}
body.cards-mode tbody{display:block}
body.cards-mode tbody tr{
  display:block;
  border:1px solid var(--line);
  border-radius:10px;
  margin:10px 8px;
  padding:4px 10px;
  background:var(--card);
}
body.cards-mode tbody tr:hover{background:var(--card)}
body.cards-mode td{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:10px 6px;
  border-bottom:1px dashed var(--line);
  font-size:14px;
  text-align:left;
}
body.cards-mode td:last-child{border-bottom:none}
body.cards-mode td::before{
  content:attr(data-label);
  color:var(--muted);
  font-weight:600;
  margin-right:10px;
  font-size:12px;
}
body.cards-mode .num{text-align:left}
body.cards-mode .score-cell{flex-direction:column;align-items:stretch;gap:6px}
body.cards-mode .progress-bar{height:14px}
body.cards-mode .score-value{min-width:0;text-align:left}
body.cards-mode th.sticky-0, body.cards-mode th.sticky-1, body.cards-mode td.sticky-0, body.cards-mode td.sticky-1{position:static;left:auto;box-shadow:none;z-index:auto}