:root {
  --bg: #0b0f14;
  --bg-2: #111823;
  --panel: #131c28;
  --panel-2: #0e151f;
  --border: #223143;
  --text: #e6edf3;
  --muted: #8aa0b4;
  --accent: #38e1b0;
  --accent-2: #4aa3ff;
  --crit: #ff5a5a;
  --high: #ff8c42;
  --med: #f2c14e;
  --low: #4aa3ff;
  --info: #8aa0b4;
  --pass: #38e1b0;
  --radius: 12px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: radial-gradient(1200px 600px at 70% -10%, #16283a 0%, var(--bg) 55%) fixed;
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 920px; margin: 0 auto; padding: 28px 20px 64px; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header { margin-bottom: 18px; }
.brand { display: flex; gap: 16px; align-items: center; }
.brand-mark { font-size: 40px; line-height: 1; }
h1 { font-size: 26px; margin: 0; letter-spacing: -0.02em; }
.tagline { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.tagline strong { color: var(--accent); }

.notice {
  background: linear-gradient(180deg, #1a2433, #131c28);
  border: 1px solid var(--border);
  border-left: 3px solid var(--med);
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
}
.notice strong { color: var(--med); }

.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 18px; border-bottom: 1px solid var(--border); }
.tab {
  background: transparent; border: none; color: var(--muted);
  padding: 10px 14px; font-size: 14px; cursor: pointer; border-radius: 8px 8px 0 0;
  border-bottom: 2px solid transparent; font-family: inherit;
}
.tab:hover { color: var(--text); }
.tab.is-active { color: var(--text); border-bottom-color: var(--accent); }

.panel { animation: fade .2s ease; }
.panel[hidden] { display: none; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.scan-form { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.field-label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.input-row { display: flex; gap: 10px; }
.input-row input {
  flex: 1; background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: 12px 14px; font-size: 15px; font-family: var(--mono);
}
.input-row input:focus { outline: none; border-color: var(--accent-2); box-shadow: 0 0 0 3px rgba(74,163,255,.15); }
.ack { display: flex; align-items: center; gap: 8px; margin-top: 12px; font-size: 13px; color: var(--muted); }
.ack input { accent-color: var(--accent); }

.btn {
  border: 1px solid var(--border); background: var(--bg-2); color: var(--text);
  border-radius: 10px; padding: 12px 18px; font-size: 14px; font-weight: 600; cursor: pointer;
  font-family: inherit; transition: transform .05s ease, background .15s ease;
}
.btn:hover { background: #1a2534; }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .55; cursor: not-allowed; }
.btn-primary { background: linear-gradient(180deg, #2aa585, #1f7d64); border-color: #2aa585; color: #04110d; }
.btn-primary:hover { background: linear-gradient(180deg, #35c39d, #248a6f); }
.btn-ai { background: linear-gradient(180deg, #2f6fd6, #245bb0); border-color: #2f6fd6; color: #eaf2ff; margin-top: 14px; }
.btn-ai:hover { background: linear-gradient(180deg, #3b7ff0, #2a67c4); }

.result { margin-top: 18px; }

.scorecard {
  display: flex; gap: 18px; align-items: center; flex-wrap: wrap;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 16px;
}
.grade {
  width: 78px; height: 78px; border-radius: 16px; display: grid; place-items: center;
  font-size: 40px; font-weight: 800; font-family: var(--mono); flex: 0 0 auto;
  border: 2px solid currentColor;
}
.grade small { display: block; font-size: 11px; font-weight: 600; letter-spacing: .1em; }
.grade-A, .grade-B { color: var(--pass); }
.grade-C, .grade-D { color: var(--med); }
.grade-E, .grade-F { color: var(--crit); }
.score-meta { flex: 1 1 200px; min-width: 0; }
.score-meta h2 { margin: 0 0 4px; font-size: 16px; font-family: var(--mono); word-break: break-all; }
.score-meta .sub { color: var(--muted); font-size: 13px; }
.chips-counts { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.count-chip { font-size: 12px; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--border); font-family: var(--mono); }
.count-chip.n0 { opacity: .4; }
.count-chip.critical { color: var(--crit); border-color: var(--crit); }
.count-chip.high { color: var(--high); border-color: var(--high); }
.count-chip.medium { color: var(--med); border-color: var(--med); }
.count-chip.low { color: var(--low); border-color: var(--low); }
.count-chip.pass { color: var(--pass); border-color: var(--pass); }

.finding {
  background: var(--panel); border: 1px solid var(--border); border-left: 3px solid var(--info);
  border-radius: 10px; padding: 14px 16px; margin-bottom: 10px;
}
.finding.fail { border-left-color: var(--high); }
.finding.warn { border-left-color: var(--med); }
.finding.pass { border-left-color: var(--pass); }
.finding.info { border-left-color: var(--info); }
.finding-head { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.sev-badge { font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 2px 8px; border-radius: 6px; font-family: var(--mono); }
.sev-critical { background: rgba(255,90,90,.15); color: var(--crit); }
.sev-high { background: rgba(255,140,66,.15); color: var(--high); }
.sev-medium { background: rgba(242,193,78,.15); color: var(--med); }
.sev-low { background: rgba(74,163,255,.15); color: var(--low); }
.sev-info { background: rgba(138,160,180,.15); color: var(--info); }
.sev-pass { background: rgba(56,225,176,.15); color: var(--pass); }
.finding-title { font-weight: 650; font-size: 15px; }
.finding-detail { color: var(--muted); font-size: 13.5px; margin: 7px 0 0; }
.evidence { margin-top: 8px; }
.evidence summary { cursor: pointer; color: var(--muted); font-size: 12px; }
.evidence pre { background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 10px; overflow-x: auto; font-family: var(--mono); font-size: 12px; color: #cfe3d8; margin: 6px 0 0; white-space: pre-wrap; word-break: break-word; }
.skill-chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.skill-chip {
  display: inline-flex; align-items: center; gap: 6px; font-size: 12px; padding: 4px 10px;
  border-radius: 999px; background: var(--panel-2); border: 1px solid var(--border); color: var(--accent);
  font-family: var(--mono);
}
.skill-chip:hover { border-color: var(--accent); text-decoration: none; }
.skill-chip::before { content: "▸"; color: var(--muted); }

.ai-report {
  background: linear-gradient(180deg, #101c2c, #0e151f); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px; margin-top: 14px;
}
.ai-report h2 { font-size: 15px; margin: 16px 0 6px; color: var(--accent-2); }
.ai-report h2:first-child { margin-top: 0; }
.ai-report ol, .ai-report ul { margin: 6px 0; padding-left: 22px; }
.ai-report li { margin: 4px 0; font-size: 14px; }
.ai-report p { font-size: 14px; }
.ai-report code { background: var(--panel-2); padding: 1px 5px; border-radius: 5px; font-family: var(--mono); font-size: 12.5px; }
.ai-badge { font-size: 11px; color: var(--muted); font-family: var(--mono); }

.msg { padding: 12px 14px; border-radius: 10px; font-size: 14px; border: 1px solid var(--border); }
.msg.error { background: rgba(255,90,90,.08); border-color: rgba(255,90,90,.4); color: #ffb3b3; }
.msg.info { background: var(--panel); color: var(--muted); }
.spinner { display: inline-block; width: 15px; height: 15px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin .7s linear infinite; vertical-align: -2px; margin-right: 8px; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; } .panel { animation: none; } }

.skills-controls { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.skills-controls input { flex: 1 1 260px; background: var(--panel-2); border: 1px solid var(--border); color: var(--text); border-radius: 10px; padding: 11px 14px; font-size: 14px; }
.skills-controls select { background: var(--panel-2); border: 1px solid var(--border); color: var(--text); border-radius: 10px; padding: 11px; font-size: 14px; }
.skills-controls input:focus, .skills-controls select:focus { outline: none; border-color: var(--accent-2); }
.skills-count { color: var(--muted); font-size: 13px; margin: 0 0 12px; font-family: var(--mono); }
.skills-list { display: grid; gap: 10px; }
.skill-card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; }
.skill-card h3 { margin: 0 0 6px; font-size: 15px; }
.skill-card h3 a { color: var(--text); }
.skill-card h3 a:hover { color: var(--accent); }
.skill-card .cat { font-size: 11px; color: var(--accent); font-family: var(--mono); text-transform: uppercase; letter-spacing: .05em; }
.skill-card p { margin: 6px 0 0; font-size: 13px; color: var(--muted); }
.fw-badges { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 9px; }
.fw { font-size: 11px; font-family: var(--mono); padding: 2px 7px; border-radius: 6px; border: 1px solid var(--border); color: var(--muted); }
.fw.attack { color: var(--high); border-color: rgba(255,140,66,.4); }
.fw.atlas { color: var(--accent); border-color: rgba(56,225,176,.4); }
.fw.nist { color: var(--low); border-color: rgba(74,163,255,.4); }

.site-footer { margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--border); color: var(--muted); font-size: 12.5px; }

@media (max-width: 560px) {
  .input-row { flex-direction: column; }
  .grade { width: 64px; height: 64px; font-size: 32px; }
}

/* ---- investigation form extras ---- */
.form-hint { color: var(--muted); font-size: 13.5px; margin: 0 0 14px; }
.field-sub { color: var(--muted); font-size: 12px; margin: 4px 0 0; }
.scan-form textarea {
  width: 100%; background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: 12px 14px; font-size: 14px; font-family: var(--mono); resize: vertical; box-sizing: border-box;
}
.scan-form input[type="file"] { color: var(--muted); font-size: 13px; }
.field-label { display: block; margin: 14px 0 6px; font-size: 13px; color: var(--muted); font-weight: 600; }
.section-h { margin: 22px 0 10px; font-size: 15px; color: var(--accent); }

/* ---- stage / status badges ---- */
.sev-badge.sev-ok { color: var(--pass); border-color: var(--pass); }
.sev-badge.sev-warn { color: var(--med); border-color: var(--med); }
.sev-badge.sev-error { color: var(--crit); border-color: var(--crit); }
.sev-badge.sev-info { color: var(--low); border-color: var(--low); }
.finding.ok { border-left: 3px solid var(--pass); }
.finding.warn { border-left: 3px solid var(--med); }
.finding.error { border-left: 3px solid var(--crit); }
.finding.info { border-left: 3px solid var(--low); }
.stage-items { margin: 8px 0 0; padding-left: 18px; color: var(--muted); font-size: 13px; }
.stage-items li { margin: 3px 0; }
.daytona-card .grade { background: linear-gradient(180deg, #2a3f57, #1c2a3a); }
.tool-emoji { font-size: 26px; }
.tool-emoji.sm { font-size: 18px; }

/* ---- The Stack tab ---- */
.stack-list { display: grid; gap: 14px; }
.tool-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.tool-head { display: flex; align-items: center; gap: 12px; }
.tool-head > div { flex: 1; }
.tool-name { margin: 0; font-size: 16px; }
.tool-tag { color: var(--accent); font-size: 12px; font-family: var(--mono); }
.tool-status { font-size: 12px; font-family: var(--mono); padding: 3px 9px; border-radius: 999px; border: 1px solid var(--border); white-space: nowrap; }
.tool-status.ok { color: var(--pass); border-color: var(--pass); }
.tool-status.off { color: var(--muted); }
.tool-role { color: var(--text); font-size: 13.5px; margin: 12px 0; }
.tool-meta { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; margin: 0; font-size: 12.5px; }
.tool-meta dt { color: var(--muted); }
.tool-meta dd { margin: 0; }
.tool-meta code { font-family: var(--mono); font-size: 12px; color: var(--accent); word-break: break-all; }
.stack-flow { text-align: center; color: var(--muted); font-family: var(--mono); font-size: 13px; padding: 14px; border: 1px dashed var(--border); border-radius: var(--radius); }