/* Halaman Uji Kinerja — melengkapi style.css */
.topnav { display: flex; gap: 6px; }
.topnav a {
  padding: 7px 14px; border-radius: 8px; text-decoration: none;
  color: var(--muted); font-size: 14px; font-weight: 600;
}
.topnav a.active, .topnav a:hover { background: var(--card2); color: var(--text); }

.illus-banner {
  max-width: 1200px; margin: 16px auto 0; padding: 12px 18px;
  background: rgba(250,178,25,.12); border: 1px solid rgba(250,178,25,.35);
  border-radius: 10px; color: #f4c752; font-size: 13.5px; line-height: 1.5;
}
.illus-banner strong { color: #ffd873; }

.perf {
  display: grid; gap: 16px; padding: 18px 20px 8px; max-width: 1200px; margin: 0 auto;
  grid-template-columns: repeat(2, 1fr);
}
.perf .card.wide { grid-column: span 2; }

.chead { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 6px; }
.chead h2 { margin: 0; font-size: 15px; color: var(--text); text-transform: none; letter-spacing: 0; }
.illus {
  font-size: 10px; text-transform: uppercase; letter-spacing: .08em; font-weight: 700;
  color: #f4c752; background: rgba(250,178,25,.14); padding: 3px 8px; border-radius: 999px; white-space: nowrap;
}
.cdesc { margin: 0 0 12px; color: var(--muted); font-size: 13px; line-height: 1.5; }
.chartbox { position: relative; }

/* Stat tiles */
.statrow { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.stat {
  flex: 1 1 120px; background: var(--card2); border-radius: 10px; padding: 10px 12px;
  border-left: 3px solid var(--muted);
}
.stat .k { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.stat .v { font-size: 20px; font-weight: 700; margin-top: 3px; font-variant-numeric: tabular-nums; }
.stat .u { font-size: 12px; color: var(--muted); font-weight: 400; }
.stat.pass { border-left-color: var(--ok); }
.stat.fail { border-left-color: var(--danger); }
.badge-pf { font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 999px; }
.badge-pf.pass { background: rgba(34,197,94,.16); color: var(--ok); }
.badge-pf.fail { background: rgba(239,68,68,.18); color: var(--danger); }

/* Tabel input */
.inputwrap { margin-top: 12px; }
.inputwrap summary {
  cursor: pointer; color: var(--accent); font-size: 13px; font-weight: 600;
  padding: 6px 0; user-select: none;
}
.tablescroll { overflow-x: auto; margin-top: 8px; }
.intable { border-collapse: collapse; width: 100%; font-size: 13px; }
.intable th, .intable td { border: 1px solid var(--line); padding: 5px 8px; text-align: center; }
.intable th { color: var(--muted); font-weight: 600; background: var(--card2); }
.intable input {
  width: 68px; background: var(--bg); border: 1px solid var(--line); color: var(--text);
  border-radius: 6px; padding: 5px 6px; text-align: center; font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.intable input:focus { outline: 1px solid var(--accent); border-color: var(--accent); }
.intable td.lbl { text-align: left; color: var(--muted); }

/* Confusion matrix */
.cmtable { border-collapse: collapse; width: 100%; font-size: 13px; }
.cmtable th, .cmtable td { border: 1px solid var(--line); padding: 6px; text-align: center; }
.cmtable th { color: var(--muted); font-weight: 600; font-size: 12px; }
.cmtable td input {
  width: 46px; background: transparent; border: 0; color: var(--text); text-align: center;
  font-size: 13px; font-variant-numeric: tabular-nums;
}
.cmtable caption { caption-side: top; color: var(--muted); font-size: 12px; padding-bottom: 6px; }
.cm-corner { color: var(--muted); font-size: 11px; }

.perf-foot {
  max-width: 1200px; margin: 8px auto 28px; padding: 16px 20px; color: var(--muted);
  font-size: 12.5px; text-align: center;
}
.perf-foot em { color: #f4c752; }

@media (max-width: 820px) {
  .perf { grid-template-columns: 1fr; }
  .perf .card.wide { grid-column: span 1; }
}

/* Tombol Import/Export CSV pada tiap uji */
.csvbar { display: flex; gap: 8px; margin: 6px 0 4px; }
.csvbtn {
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
  font-size: 12.5px; font-weight: 600; padding: 6px 12px; border-radius: 8px;
  background: var(--card2); color: var(--text); border: 1px solid var(--muted);
  user-select: none;
}
.csvbtn:hover { border-color: var(--text); background: var(--card); }
.csvbtn.exp { color: #7fd0a8; }
.csvbtn.imp { color: #8ab6f0; }