:root {
  --bg0: #0b1020; --bg1: #111a33; --bg2: #17203f; --line: #2a3760;
  --txt: #e8eef7; --mut: #93a4c3; --acc: #38bdf8;
  --ok: #34d399; --warn: #fbbf24; --bad: #f87171;
  --mono: "Consolas", "Menlo", monospace;
}
body[data-theme="light"] {
  --bg0: #eef2f9; --bg1: #ffffff; --bg2: #f4f7fd; --line: #cbd5e6;
  --txt: #16203a; --mut: #5b6886; --acc: #0284c7;
  --ok: #059669; --warn: #d97706; --bad: #dc2626;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Prompt", system-ui, sans-serif;
  background: radial-gradient(1200px 600px at 30% -10%, #16234a 0%, var(--bg0) 55%);
  color: var(--txt); min-height: 100vh;
}
.hidden { display: none !important; }
.topbar {
  display: flex; align-items: center; gap: 14px; padding: 10px 20px;
  background: rgba(11,16,32,.92); border-bottom: 1px solid var(--line);
}
body[data-theme="light"] .topbar { background: rgba(255,255,255,.92); }
.topbar h1 { font-size: 17px; margin: 0 12px 0 0; font-weight: 600; }

/* 14-tab navigation bar (scrollable) */
.mainnav {
  display: flex; gap: 6px; overflow-x: auto; flex-wrap: nowrap;
  padding: 8px 12px;
  background: rgba(11,16,32,.9); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 15;
}
body[data-theme="light"] .mainnav { background: rgba(255,255,255,.92); }
.mainnav button {
  background: transparent; border: 1px solid var(--line); color: var(--mut);
  border-radius: 8px; padding: 6px 14px; font-size: 13px; cursor: pointer; white-space: nowrap;
}
.mainnav button:hover { color: var(--txt); border-color: var(--acc); }
.mainnav button.active { background: var(--bg2); color: var(--acc); border-color: var(--acc); font-weight: 600; }
main { max-width: 1400px; margin: 0 auto; padding: 18px 20px 60px; }
.tab { display: none; }
.tab.active { display: block; }
.panel { display: grid; gap: 14px; grid-template-columns: 1fr 1.2fr; align-items: start; }
@media (max-width: 900px) { .panel { grid-template-columns: 1fr; } }
.card {
  background: linear-gradient(180deg, var(--bg2), var(--bg1));
  border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; margin-bottom: 14px;
}
body[data-theme="light"] .card { background: var(--bg1); }
.card h3 { margin: 0 0 12px; font-size: 14px; font-weight: 600; color: var(--acc); }
.card h4 { margin: 0 0 8px; font-size: 13px; font-weight: 600; color: var(--txt); }
label, .lbl { font-size: 12px; color: var(--mut); display: block; margin: 10px 0 4px; }
input, select, textarea {
  font-family: inherit; font-size: 13px; color: var(--txt);
  background: var(--bg0); border: 1px solid var(--line); border-radius: 8px;
  padding: 8px 10px; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--acc); }
textarea { font-family: var(--mono); min-height: 260px; resize: vertical; }
.row { display: flex; gap: 10px; align-items: center; }
.row > * { flex: 1; }
button.run {
  margin-top: 12px; width: 100%; padding: 10px; font-size: 14px; font-weight: 600;
  background: linear-gradient(90deg, #0ea5e9, #38bdf8); color: #04222e;
  border: 0; border-radius: 10px; cursor: pointer;
}
button.run:hover { filter: brightness(1.1); }
button.run:disabled { opacity: .5; cursor: wait; }
button.small { width: auto; padding: 6px 12px; font-size: 12px; background: var(--bg2); border: 1px solid var(--line); border-radius: 8px; color: var(--txt); cursor: pointer; }
button.small:hover { border-color: var(--acc); }
pre.res {
  background: #050a17; border: 1px solid var(--line); border-radius: 10px;
  padding: 12px; font-family: var(--mono); font-size: 12px;
  white-space: pre-wrap; word-break: break-all; max-height: 520px; overflow: auto;
  margin: 0;
}
body[data-theme="light"] pre.res { background: #0f172a; color: #e2e8f0; }
pre.codepre { white-space: pre; word-break: normal; max-height: 560px; overflow: auto; }
.codehead { display: flex; align-items: center; gap: 8px; margin: 10px 0 6px; }
.codehead code { font-size: 12px; }
.warnbox {
  border: 1px solid var(--warn); background: rgba(251,191,36,.08); color: var(--warn);
  border-radius: 10px; padding: 10px 12px; font-size: 12px;
}
.meta { font-family: var(--mono); font-size: 12px; color: var(--mut); margin-bottom: 8px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 7px 9px; border-bottom: 1px solid var(--line); }
th { color: var(--mut); font-weight: 500; font-size: 12px; white-space: nowrap; }
td { font-family: var(--mono); white-space: nowrap; }
.tblwrap { overflow-x: auto; }
.pass { color: var(--ok); }
.fail { color: var(--bad); }
.warn { color: var(--warn); }
.summary { display: flex; gap: 22px; margin-bottom: 12px; font-size: 14px; }
.summary b { font-family: var(--mono); font-size: 20px; }
.mut { color: var(--mut); }
a { color: var(--acc); }
ul { padding-left: 18px; } li { font-size: 13px; margin-bottom: 6px; color: #c9d6ee; }
body[data-theme="light"] li { color: var(--txt); }
code { font-family: var(--mono); font-size: 12px; background: var(--bg0); border: 1px solid var(--line); padding: 1px 5px; border-radius: 5px; }
.g3 { display: grid; gap: 14px; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 1000px) { .g3 { grid-template-columns: 1fr; } }
.chartcard { padding: 10px 12px; }