:root {
  --bg: #0f1216;
  --panel: #171b21;
  --panel-2: #1d222a;
  --line: #2a313b;
  --text: #dfe4ea;
  --dim: #8a93a0;
  --up: #35c98a;
  --down: #e5603f;
  --flat: #7b8794;
  --accent: #59a5f5;
  --warn: #e0b341;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 "Segoe UI", system-ui, -apple-system, sans-serif;
}

header {
  display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap;
  padding: 16px 24px; border-bottom: 1px solid var(--line); background: var(--panel);
}
header h1 { margin: 0; font-size: 20px; letter-spacing: .5px; font-weight: 600; }
header .sub { color: var(--dim); font-size: 13px; }
header .actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.tag {
  font-size: 11px; padding: 2px 8px; border-radius: 10px; letter-spacing: .5px;
  font-weight: 600;
}
.tag.paper { background: rgba(224,179,65,.15); color: var(--warn); border: 1px solid rgba(224,179,65,.35); }

nav {
  display: flex; gap: 4px; padding: 10px 24px 0; border-bottom: 1px solid var(--line);
  background: var(--panel); flex-wrap: wrap;
}
nav button {
  background: transparent; color: var(--dim); border: 1px solid transparent;
  border-bottom: none; padding: 8px 18px; cursor: pointer; font-size: 14px;
  border-radius: 6px 6px 0 0;
}
nav button.on { background: var(--bg); color: var(--text); border-color: var(--line); font-weight: 600; }

main { padding: 20px 24px 60px; max-width: 1500px; }

.panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 16px 18px; margin-bottom: 18px;
}
.panel h2 {
  margin: 0 0 14px; font-size: 15px; font-weight: 600;
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
}
.panel h2 small { font-weight: 400; color: var(--dim); font-size: 12px; }

/* ---------------------------------------------------------------- verdict */
.verdict-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.vcard {
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px;
  padding: 12px 14px;
}
.vcard .label { color: var(--dim); font-size: 11px; text-transform: uppercase; letter-spacing: .6px; }
.vcard .value { font-size: 26px; font-weight: 600; margin-top: 4px; font-variant-numeric: tabular-nums; }
.vcard .note { color: var(--dim); font-size: 11px; margin-top: 2px; }
.up { color: var(--up); } .down { color: var(--down); } .flat { color: var(--flat); }
.warnbox {
  background: rgba(224,179,65,.1); border: 1px solid rgba(224,179,65,.3);
  color: var(--warn); border-radius: 8px; padding: 10px 14px; margin: 10px 0; font-size: 13px;
}
.okbox {
  background: rgba(53,201,138,.08); border: 1px solid rgba(53,201,138,.3);
  color: var(--up); border-radius: 8px; padding: 10px 14px; margin: 10px 0; font-size: 13px;
}
.summary { color: var(--text); background: var(--panel-2); border-left: 3px solid var(--accent);
  padding: 10px 14px; border-radius: 0 6px 6px 0; margin: 14px 0 0; }

/* ----------------------------------------------------------------- tables */
table.grid { width: 100%; border-collapse: collapse; font-size: 13px; }
table.grid th {
  text-align: left; color: var(--dim); font-weight: 500; font-size: 11px;
  text-transform: uppercase; letter-spacing: .5px; padding: 6px 8px;
  border-bottom: 1px solid var(--line);
}
table.grid td { padding: 7px 8px; border-bottom: 1px solid rgba(42,49,59,.5); }
table.grid tbody tr:hover { background: var(--panel-2); }
table.grid .num { text-align: right; font-variant-numeric: tabular-nums; }
table.compact td, table.compact th { padding: 4px 8px; font-size: 12px; }
td.reason { color: var(--dim); font-size: 12px; }
tr.off { opacity: .4; }

.bar { height: 6px; border-radius: 3px; background: var(--line); position: relative; min-width: 60px; }
.bar span { position: absolute; top: 0; bottom: 0; border-radius: 3px; }

/* ----------------------------------------------------------------- charts */
.chart { height: 320px; margin-top: 10px; }

.metric-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; }
.metric {
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px;
}
.metric .k { color: var(--dim); font-size: 11px; }
.metric .v { font-size: 17px; font-weight: 600; font-variant-numeric: tabular-nums; margin-top: 2px; }

/* -------------------------------------------------------------- reasoning */
.reasoning div {
  padding: 8px 12px; border-left: 2px solid var(--line); margin-bottom: 6px;
  background: var(--panel-2); border-radius: 0 6px 6px 0; font-size: 13px;
}
.reasoning div.pos { border-left-color: var(--up); }
.reasoning div.neg { border-left-color: var(--down); }

/* --------------------------------------------------------------- settings */
.settings { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.settings fieldset { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin: 0; }
.settings legend { color: var(--dim); font-size: 11px; text-transform: uppercase; letter-spacing: .5px; }
.settings label { display: flex; justify-content: space-between; align-items: center; gap: 8px;
  margin: 6px 0; font-size: 13px; }
.settings input[type=number], .settings select {
  width: 90px; background: var(--bg); color: var(--text); border: 1px solid var(--line);
  border-radius: 5px; padding: 3px 6px; font-size: 13px;
}
.hint { color: var(--dim); font-size: 11px; margin-top: 6px; }

button {
  background: var(--accent); color: #06101c; border: none; border-radius: 6px;
  padding: 6px 14px; cursor: pointer; font-size: 13px; font-weight: 600;
}
button.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); font-weight: 500; }
button.ghost:hover { border-color: var(--accent); color: var(--accent); }
button.small { padding: 3px 10px; font-size: 12px; }
button.danger:hover { border-color: var(--down); color: var(--down); }
.status { color: var(--dim); font-size: 12px; }
.err { color: var(--down); }

/* ------------------------------------------------------------------- auth */
#auth-box { display:flex; align-items:center; gap:6px; }
#auth-box input {
  background: var(--bg); color: var(--text); border: 1px solid var(--line);
  border-radius: 5px; padding: 4px 8px; font-size: 13px; width: 130px;
}
#auth-box .who { color: var(--dim); font-size: 12px; }
#auth-box .who b { color: var(--up); font-weight: 600; }
.readonly-note {
  background: rgba(89,165,245,.08); border: 1px solid rgba(89,165,245,.3);
  color: var(--accent); border-radius: 6px; padding: 8px 12px;
  font-size: 12px; margin-bottom: 12px;
}
/* Locked controls stay visible so the page still explains what it can do. */
[data-write][disabled] { opacity: .4; cursor: not-allowed; }
[data-write][disabled]:hover { border-color: var(--line); color: var(--text); }
.settings.locked input, .settings.locked select { opacity:.5; pointer-events:none; }