:root {
  --bg: #0f1419;
  --bg-elevated: #171d25;
  --bg-soft: #1c2430;
  --border: #2a3441;
  --text: #e7ecf3;
  --muted: #8b98a8;
  --accent: #3d8bfd;
  --accent-hover: #5c9fff;
  --online: #3dd68c;
  --offline: #8b98a8;
  --danger: #f07178;
  --warn: #e6b450;
  --radius: 10px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6f9;
    --bg-elevated: #ffffff;
    --bg-soft: #eef2f7;
    --border: #d5dde8;
    --text: #15202b;
    --muted: #5b6b7c;
    --accent: #1a6fe0;
    --accent-hover: #0d5bc4;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
/* Author display: rules (e.g. .login-view { display: grid }) must not defeat [hidden]. */
[hidden] {
  display: none !important;
}
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}
code, .mono { font-family: var(--mono); font-size: 0.9em; }
.muted { color: var(--muted); }
.error { color: var(--danger); margin: 0.5rem 0 0; font-size: 0.9rem; }
.hint { color: var(--muted); font-size: 0.9rem; margin: 0 0 1rem; }
.hint.bar {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
}

#app { min-height: 100%; }

/* Login */
.login-view {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(61, 139, 253, 0.18), transparent),
    var(--bg);
}
.login-card {
  width: min(420px, 100%);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.75rem;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
}
.brand { display: flex; gap: 0.85rem; align-items: center; margin-bottom: 1.25rem; }
.brand h1 { margin: 0; font-size: 1.35rem; font-weight: 650; letter-spacing: -0.02em; }
.brand p { margin: 0.15rem 0 0; }
.brand.compact { margin: 0; gap: 0.65rem; }
.brand.compact strong { display: block; font-size: 0.95rem; }
.brand.compact .muted { font-size: 0.8rem; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(145deg, #3d8bfd, #7c5cff 55%, #3dd68c);
  flex-shrink: 0;
}
.brand-mark.sm { width: 28px; height: 28px; border-radius: 8px; }

.login-card label { display: block; font-size: 0.85rem; margin-bottom: 0.35rem; color: var(--muted); }
.login-card input[type="password"] {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.9rem;
  margin-bottom: 0.85rem;
}
.login-card input:focus, .filters input:focus, .filters select:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
  border-color: var(--accent);
}
.checkbox { display: flex; align-items: center; gap: 0.5rem; font-size: 0.85rem; color: var(--muted); margin-bottom: 1rem; cursor: pointer; }
.checkbox.inline { margin: 0; }
.checkbox input { accent-color: var(--accent); }

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 8px;
  padding: 0.55rem 0.9rem;
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}
.btn:hover { border-color: color-mix(in srgb, var(--accent) 50%, var(--border)); }
.btn.primary {
  width: 100%;
  background: var(--accent);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
  padding: 0.7rem 1rem;
}
.btn.primary:hover { background: var(--accent-hover); }
.btn.ghost { background: transparent; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

/* App shell */
.app-view { min-height: 100vh; display: flex; flex-direction: column; }
.topbar {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  justify-content: space-between; align-items: center;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
  position: sticky; top: 0; z-index: 10;
}
.topbar-meta { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.pill {
  font-size: 0.75rem;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--mono);
  max-width: 28rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pill.caps { text-transform: none; }
.pill.live {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.pill.live::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--offline);
  flex-shrink: 0;
}
.pill.live[data-state="on"] {
  color: var(--online);
  border-color: color-mix(in srgb, var(--online) 40%, var(--border));
}
.pill.live[data-state="on"]::before {
  background: var(--online);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--online) 25%, transparent);
}
.pill.live[data-state="connecting"] {
  color: var(--warn);
}
.pill.live[data-state="connecting"]::before {
  background: var(--warn);
  animation: live-pulse 1.1s ease-in-out infinite;
}
.pill.live[data-state="off"]::before {
  background: var(--offline);
}
@keyframes live-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.tabs {
  display: flex; gap: 0.25rem;
  padding: 0.5rem 1.25rem 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}
.tab {
  appearance: none; border: none; background: transparent;
  color: var(--muted); font: inherit; font-weight: 550;
  padding: 0.65rem 0.9rem; cursor: pointer;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--text); border-bottom-color: var(--accent); }

.main { flex: 1; padding: 1.25rem; max-width: 1400px; width: 100%; margin: 0 auto; }
.main:has(#panel-patches:not([hidden])) { max-width: 1680px; }
.banner {
  background: color-mix(in srgb, var(--danger) 15%, var(--bg-elevated));
  border: 1px solid color-mix(in srgb, var(--danger) 40%, var(--border));
  color: var(--danger);
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}
.toolbar {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  justify-content: space-between; align-items: center;
  margin-bottom: 0.85rem;
}
.stats { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.stat {
  font-size: 0.8rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
}
.stat strong { font-weight: 650; }
.stat.online strong { color: var(--online); }
.stat.offline strong { color: var(--muted); }
.stat.revoked strong { color: var(--danger); }

.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.filters input[type="search"], .filters select {
  padding: 0.45rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  min-width: 12rem;
}
.filters select { min-width: 8rem; }

.table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
}
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
table.data th, table.data td {
  text-align: left;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
table.data th {
  position: sticky; top: 0;
  background: var(--bg-soft);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
  z-index: 1;
}
table.data tbody tr:hover { background: color-mix(in srgb, var(--accent) 6%, transparent); }
table.data tbody tr:last-child td { border-bottom: none; }
table.data .id, table.data .sha {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  word-break: break-all;
}
table.data .name { font-weight: 600; }
table.data .sub { display: block; font-family: var(--mono); font-size: 0.75rem; color: var(--muted); font-weight: 400; }

.badge {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.75rem; font-weight: 650;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  white-space: nowrap;
}
.badge::before {
  content: "";
  width: 0.45rem; height: 0.45rem; border-radius: 50%;
  background: currentColor;
}
.badge.online { color: var(--online); background: color-mix(in srgb, var(--online) 12%, transparent); border-color: color-mix(in srgb, var(--online) 35%, var(--border)); }
.badge.offline { color: var(--offline); }
.badge.revoked { color: var(--danger); background: color-mix(in srgb, var(--danger) 12%, transparent); border-color: color-mix(in srgb, var(--danger) 35%, var(--border)); }
.badge.active { color: var(--online); background: color-mix(in srgb, var(--online) 12%, transparent); }
.badge.warn { color: var(--warn); background: color-mix(in srgb, var(--warn) 12%, transparent); border-color: color-mix(in srgb, var(--warn) 35%, var(--border)); }

/* Patch health scores */
#patches-table tbody tr.patch-row { cursor: pointer; }
#patches-table tbody tr.patch-row:hover td { background: color-mix(in srgb, var(--accent) 8%, transparent); }
#patches-table tbody tr.patch-row.selected td {
  background: color-mix(in srgb, var(--accent) 16%, transparent);
}
#patches-table tbody tr.patch-row.selected td:first-child {
  box-shadow: inset 3px 0 0 var(--accent);
}

.patches-workspace { display: block; }
.patches-workspace.has-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 44%);
  gap: 1rem;
  align-items: start;
}
.patches-list .table-wrap {
  max-height: calc(100vh - 16rem);
}
.patch-detail-backdrop { display: none; }
.score-cell { white-space: nowrap; }
.score-pill {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-family: var(--mono);
  font-size: 0.9rem;
  padding: 0.15rem 0.5rem;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.score-grade { font-size: 0.75rem; font-weight: 650; opacity: 0.9; }
.score-a .score-pill { color: var(--online); background: color-mix(in srgb, var(--online) 12%, transparent); border-color: color-mix(in srgb, var(--online) 35%, var(--border)); }
.score-b .score-pill { color: #6bcf8e; background: color-mix(in srgb, #6bcf8e 10%, transparent); }
.score-c .score-pill { color: var(--warn); background: color-mix(in srgb, var(--warn) 12%, transparent); border-color: color-mix(in srgb, var(--warn) 35%, var(--border)); }
.score-d .score-pill { color: #e08a3c; background: color-mix(in srgb, #e08a3c 12%, transparent); }
.score-f .score-pill { color: var(--danger); background: color-mix(in srgb, var(--danger) 12%, transparent); border-color: color-mix(in srgb, var(--danger) 35%, var(--border)); }
.score-na .score-pill { color: var(--muted); }
.num { font-variant-numeric: tabular-nums; font-family: var(--mono); font-size: 0.9rem; text-align: right; }
.warn-num { color: var(--warn); font-weight: 650; }
.danger-num { color: var(--danger); font-weight: 650; }
table.data.compact th, table.data.compact td { padding: 0.4rem 0.55rem; font-size: 0.85rem; }
.patch-detail {
  margin-top: 0;
  padding: 1rem 1.1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: sticky;
  top: 0.75rem;
  max-height: calc(100vh - 8rem);
  overflow: auto;
}
.patch-detail-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}
.patch-detail-head h2 { margin: 0; font-size: 1.1rem; }
.patch-detail h3 { margin: 0.75rem 0 0.4rem; font-size: 0.95rem; }
.patch-detail-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.patches-workspace:not(.has-detail) .patch-detail-cols {
  grid-template-columns: 1fr 1fr;
}
@media (max-width: 1180px) {
  .patches-workspace.has-detail {
    display: block;
  }
  .patches-list .table-wrap { max-height: none; }
  .patch-detail-backdrop:not([hidden]) {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(8, 12, 18, 0.62);
    z-index: 40;
  }
  .patch-detail {
    position: fixed;
    z-index: 41;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(720px, calc(100vw - 1.5rem));
    max-height: calc(100vh - 1.5rem);
    margin: 0;
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
  }
  body.patch-modal-open { overflow: hidden; }
}
tr.row-bad td { color: var(--danger); }

.empty { margin: 1.5rem 0; text-align: center; }
.footer {
  padding: 0.75rem 1.25rem 1.25rem;
  font-size: 0.8rem;
  display: flex; flex-wrap: wrap; gap: 0.35rem;
}

.hint.bar.col-help {
  font-size: 0.82rem;
  line-height: 1.4;
}
.hint.bar.col-help strong { color: var(--text); font-weight: 600; }

.btn.primary.compact,
.btn.compact {
  width: auto;
  padding: 0.45rem 0.75rem;
  font-size: 0.85rem;
}
.btn.primary.compact { font-weight: 600; }
.btn.danger {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 40%, var(--border));
  background: color-mix(in srgb, var(--danger) 8%, transparent);
}
.btn.danger:hover {
  border-color: var(--danger);
  background: color-mix(in srgb, var(--danger) 16%, transparent);
}
.btn.tiny {
  width: auto;
  padding: 0.2rem 0.45rem;
  font-size: 0.75rem;
  line-height: 1.2;
}
.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  align-items: center;
  white-space: nowrap;
}
.actions-col { width: 1%; }
.oneliner-cell {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: flex-start;
  max-width: 28rem;
}
code.oneliner {
  display: block;
  font-size: 0.72rem;
  line-height: 1.35;
  word-break: break-all;
  white-space: normal;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.35rem 0.45rem;
  flex: 1 1 12rem;
}

.create-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem 1.15rem;
  margin-bottom: 1rem;
}
.create-title {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  font-weight: 650;
}
.create-form .form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
  gap: 0.75rem 0.85rem;
  margin: 0.75rem 0;
}
.create-form label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.create-form label.span-2 { grid-column: 1 / -1; }
.create-form input,
.create-form select {
  padding: 0.45rem 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
}
.create-form input:focus,
.create-form select:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
  border-color: var(--accent);
}
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}
.create-result h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  color: var(--online);
}
.create-result .kv {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 0.45rem 0.75rem;
  margin: 0.75rem 0 1rem;
  font-size: 0.88rem;
}
.create-result .kv dt {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding-top: 0.2rem;
}
.create-result .kv dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: flex-start;
}
.create-result code.copyable {
  display: block;
  flex: 1 1 12rem;
  padding: 0.4rem 0.55rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 6px;
  word-break: break-all;
  font-size: 0.8rem;
  white-space: pre-wrap;
}

.operators-meta {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 0.35rem 0.75rem;
  margin: 0 0 1rem;
  font-size: 0.88rem;
}
.operators-meta dt {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding-top: 0.15rem;
}
.operators-meta dd { margin: 0; }
.pubkey-cell {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: flex-start;
  max-width: 22rem;
}
.pubkey-cell code {
  display: block;
  flex: 1 1 10rem;
  word-break: break-all;
  font-size: 0.75rem;
}
.label-cell {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 9rem;
}
.label-cell input {
  padding: 0.3rem 0.45rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: 0.85rem;
  width: 100%;
  min-width: 8rem;
}
.label-cell input:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
  border-color: var(--accent);
}
.label-cell .row-actions { margin-top: 0.1rem; }

.panel-block {
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}
.panel-block-title {
  margin: 0 0 0.65rem;
  font-size: 1.05rem;
  font-weight: 650;
}
.secret-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 1.25rem;
}
.secret-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
}
.secret-modal-card {
  position: relative;
  z-index: 1;
  width: min(36rem, 100%);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem 1.2rem;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
}

@media (max-width: 720px) {
  .filters input[type="search"] { min-width: 100%; }
  .main { padding: 1rem; }
  .create-result .kv { grid-template-columns: 1fr; }
}