:root {
  color-scheme: light;
  --bg: #f6f8fa;
  --panel: #ffffff;
  --border: #d1d9e0;
  --text: #1f2328;
  --muted: #59636e;
  --link: #0969da;
  --button: #f6f8fa;
  --button-hover: #eaeef2;
  --primary: #0969da;
  --primary-hover: #0550ae;
  --critical: #cf222e;
  --high: #bc4c00;
  --medium: #9a6700;
  --low: #1a7f37;
  --code-bg: #f6f8fa;
  --code-text: #1f2328;
  --drop-border: #8c959f;
  --tab-accent: #cf462d;
  --shadow: 0 10px 30px rgba(31, 35, 40, .08);
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #0d1117;
    --panel: #161b22;
    --border: #30363d;
    --text: #e6edf3;
    --muted: #8b949e;
    --link: #58a6ff;
    --button: #21262d;
    --button-hover: #30363d;
    --primary: #1f6feb;
    --primary-hover: #388bfd;
    --critical: #ff7b72;
    --high: #ffa657;
    --medium: #e3b341;
    --low: #56d364;
    --code-bg: #010409;
    --code-text: #c9d1d9;
    --drop-border: #3d444d;
    --tab-accent: #f78166;
    --shadow: 0 10px 30px rgba(0, 0, 0, .25);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(900px 500px at 15% -10%, rgba(47, 129, 247, .16), transparent 60%),
    radial-gradient(700px 450px at 95% 0%, rgba(63, 185, 80, .08), transparent 55%),
    var(--bg);
  font: 14px/1.5 ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  overflow-wrap: anywhere;
}

button, input, select { font: inherit; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.shell { max-width: 1500px; margin: 0 auto; padding: 24px; }

header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  padding: 8px 0 22px;
}

.brand { display: flex; gap: 14px; align-items: center; min-width: 0; }
.brand > div:last-child, .step > div { min-width: 0; }
.mark {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border: 1px solid var(--border);
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, #1f6feb, #238636);
  box-shadow: var(--shadow);
  color: #fff;
  font-size: 17px;
  font-weight: 800;
}

h1 { font-size: 24px; line-height: 1.2; margin: 0 0 5px; }
h2 { font-size: 16px; margin: 0 0 5px; }
p { margin: 0; }
.subtitle, .muted, .step p { color: var(--muted); }
.header-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--button);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 12px;
  min-height: 44px;
  justify-content: center;
  cursor: pointer;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.btn:hover { border-color: var(--muted); background: var(--button-hover); text-decoration: none; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-hover); }
.btn:disabled { opacity: .48; cursor: not-allowed; }

.grid { display: grid; gap: 14px; }
.setup { grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr); margin-bottom: 16px; }
.panel {
  min-width: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.panel-body { padding: 18px; }

.step { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 14px; }
.step-number {
  width: 25px;
  height: 25px;
  flex: 0 0 25px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  margin-top: 1px;
}
.command-step { margin-top: 16px; }
.owner-row { margin: 12px 0 5px; }
.owner-input, .control {
  width: 100%;
  min-width: 0;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  outline: none;
}
.owner-input { font-size: 15px; }
.owner-input:focus, .control:focus { border-color: var(--link); box-shadow: 0 0 0 3px rgba(47, 129, 247, .13); }
.owner-status { min-height: 20px; margin: 3px 0 11px; font-size: 12px; color: var(--muted); }
.owner-status.bad { color: var(--critical); }
.owner-status.good { color: var(--low); }

.command-selectors { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.command-selectors label { display: grid; align-content: start; gap: 6px; }

.code-wrap { position: relative; margin-top: 12px; }
pre {
  margin: 0;
  max-height: 315px;
  overflow: auto;
  padding: 15px 62px 15px 15px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--code-text);
  font: 12px/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: pre;
  tab-size: 2;
}
.copy-button { position: absolute; right: 8px; top: 8px; padding: 6px 9px; font-size: 12px; }

.notice {
  border: 1px solid rgba(47, 129, 247, .38);
  background: rgba(47, 129, 247, .08);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--code-text);
  font-size: 13px;
  margin-top: 12px;
}
.notice.warning { border-color: rgba(210, 153, 34, .42); background: rgba(210, 153, 34, .08); }
details { margin-top: 11px; }
summary { cursor: pointer; color: var(--link); }

.drop-zone {
  min-height: 266px;
  border: 1.5px dashed var(--drop-border);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  background: var(--bg);
  transition: .15s ease;
}
.drop-zone.drag { border-color: var(--link); background: rgba(31, 111, 235, .10); transform: translateY(-1px); }
.drop-icon { font-size: 34px; margin-bottom: 9px; }
.drop-zone > strong { font-size: 15px; }
.drop-zone > p { max-width: 330px; margin: 6px auto 14px; color: var(--muted); }
#fileInput { display: none; }
.file-meta { font-size: 12px; color: var(--muted); margin-top: 10px; min-height: 18px; }

.dashboard { display: none; }
.dashboard.visible { display: block; }
.identity {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin: 16px 0 -2px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
}
.identity strong { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

.cards { grid-template-columns: repeat(5, minmax(0, 1fr)); margin: 16px 0; }
.card { padding: 15px 16px; position: relative; overflow: hidden; }
.card::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--muted); }
.card.critical::after { background: var(--critical); }
.card.high::after { background: var(--high); }
.card.medium::after { background: var(--medium); }
.card.low::after { background: var(--low); }
.card .value { font-size: 27px; font-weight: 800; letter-spacing: -.02em; }
.card .label { color: var(--muted); font-size: 12px; margin-top: 1px; }

.toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1.8fr) repeat(3, minmax(130px, .7fr)) auto;
  gap: 9px;
  padding: 12px;
  border-bottom: 1px solid var(--border);
}
.control { border-radius: 7px; padding: 8px 10px; }
.tabs { display: flex; flex-wrap: wrap; gap: 2px; padding: 0 12px; border-bottom: 1px solid var(--border); }
.tab {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 11px 12px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  font-weight: 600;
}
.tab.active { color: var(--text); border-bottom-color: var(--tab-accent); }

.table-wrap { overflow: auto; max-height: 65vh; }
table { width: 100%; border-collapse: separate; border-spacing: 0; min-width: 1100px; overflow-wrap: normal; }
th {
  position: sticky;
  top: 0;
  z-index: 1;
  text-align: left;
  padding: 10px 12px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .04em;
  white-space: nowrap;
}
td { padding: 11px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
tr:hover td { background: rgba(110, 118, 129, .055); }
.repo, .pkg { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.badge {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 7px;
  font-size: 11px;
  font-weight: 700;
  text-transform: capitalize;
  white-space: nowrap;
}
.badge.critical { color: var(--critical); border-color: rgba(248, 81, 73, .45); background: rgba(248, 81, 73, .10); }
.badge.high { color: var(--high); border-color: rgba(219, 109, 40, .45); background: rgba(219, 109, 40, .10); }
.badge.medium { color: var(--medium); border-color: rgba(210, 153, 34, .45); background: rgba(210, 153, 34, .10); }
.badge.low { color: var(--low); border-color: rgba(63, 185, 80, .45); background: rgba(63, 185, 80, .10); }
.fix { color: var(--low); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.no-fix { color: var(--critical); font-size: 12px; }
.tiny { font-size: 11px; color: var(--muted); }
.summary { max-width: 430px; line-height: 1.35; }
.empty { padding: 42px 20px; text-align: center; color: var(--muted); }
.footer-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 15px;
  align-items: center;
  padding: 10px 12px;
  color: var(--muted);
  font-size: 12px;
  border-top: 1px solid var(--border);
}

.advisory {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr) 120px;
  gap: 14px;
  align-items: start;
}
.advisory:last-child { border-bottom: 0; }
.advisory h3 { font-size: 14px; margin: 0 0 5px; }
.repo-chips { display: flex; gap: 5px; flex-wrap: wrap; margin-top: 7px; }
.chip {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 7px;
  color: var(--muted);
  font: 11px ui-monospace, SFMono-Regular, Menlo, monospace;
}
.count { text-align: right; font-size: 20px; font-weight: 800; }
.count small { display: block; font-size: 11px; font-weight: 500; color: var(--muted); }

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  max-width: calc(100% - 40px);
  z-index: 20;
  background: var(--button);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: 9px;
  padding: 10px 13px;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: .18s ease;
}
.toast.show { opacity: 1; transform: none; }
.footer-note { margin-bottom: 20px; }

@media (max-width: 950px) {
  .setup { grid-template-columns: minmax(0, 1fr); }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cards .card:first-child { grid-column: 1 / -1; }
  .toolbar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .toolbar .search { grid-column: 1 / -1; }
  header { flex-direction: column; }
}

@media (max-width: 580px) {
  .shell { padding: 14px; }
  .panel-body { padding: 14px; }
  .toolbar { grid-template-columns: minmax(0, 1fr); }
  .toolbar .search { grid-column: auto; }
  .advisory { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .advisory .count { text-align: left; }
  .identity { align-items: flex-start; flex-direction: column; }
}