:root {
  --bg: #0c1210;
  --bg-soft: #111b17;
  --card: #13201a;
  --line: #234437;
  --text: #e9f5ee;
  --muted: #9ab8aa;
  --accent: #3bd07f;
  --accent-strong: #2aaf69;
  --accent-soft: #89e8b6;
  --error: #f87171;
  --ok: #5de4a3;
  --warn: #f8c15b;
  --chrome-bg: #1a2a23;
  --chrome-line: #335748;
  --chrome-text: #d6ebe0;
}

html[data-theme="light"] {
  --bg: #f5faf7;
  --bg-soft: #ecf6f0;
  --card: #ffffff;
  --line: #c9dfd1;
  --text: #153126;
  --muted: #537468;
  --accent: #12985a;
  --accent-strong: #0f7f4c;
  --accent-soft: #2fbf79;
  --ok: #1f9b62;
  --warn: #aa6a00;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
  background:
    radial-gradient(circle at 12% 8%, rgba(59, 208, 127, 0.16), transparent 28%),
    radial-gradient(circle at 88% 0%, rgba(42, 175, 105, 0.2), transparent 24%),
    linear-gradient(165deg, var(--bg-soft), var(--bg) 62%);
  color: var(--text);
}

body.auth-pending {
  overflow: hidden;
}

#auth-gate {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at top right, rgba(59, 208, 127, 0.2), transparent 35%),
    linear-gradient(165deg, var(--bg-soft), var(--bg) 65%);
}

#auth-gate .auth-card {
  width: min(520px, 92vw);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--card) 95%, transparent), color-mix(in srgb, var(--card) 88%, transparent));
  padding: 18px;
}

#auth-gate h2 {
  margin: 0 0 10px;
  color: var(--accent-soft);
}

#auth-gate p {
  margin: 0;
  color: var(--muted);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--chrome-line);
  background: linear-gradient(180deg, color-mix(in srgb, var(--chrome-bg) 96%, transparent), color-mix(in srgb, var(--chrome-bg) 92%, transparent));
  color: var(--chrome-text);
  position: sticky;
  top: 0;
  z-index: 2;
  backdrop-filter: blur(8px);
}

.topbar h1 { margin: 0; font-size: 20px; }
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand-logo {
  height: 112px;
  width: auto;
  display: block;
  max-width: min(70vw, 760px);
  opacity: 1;
  mix-blend-mode: normal;
  filter: none;
  background: transparent;
}

html[data-theme="dark"] .brand-logo {
  filter: brightness(1.22) contrast(1.08) saturate(1.08);
}
.brand-name {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.25px;
}
.toplinks { display: flex; gap: 10px; align-items: center; }
.theme-toggle {
  min-width: 92px;
}
.hidden { display: none !important; }

.topbar a {
  color: var(--chrome-text);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.grid {
  padding: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 14px;
}

.card {
  background: linear-gradient(180deg, color-mix(in srgb, var(--card) 97%, transparent), color-mix(in srgb, var(--card) 92%, transparent));
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
}

.card.wide { grid-column: 1 / -1; }
.card h2 { margin: 2px 0 10px; font-size: 16px; color: var(--accent-soft); }

.row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.fields-2 > * { flex: 1 1 240px; }
.fields-3 > * { flex: 1 1 200px; }
.fields-4 > * { flex: 1 1 160px; }

input, textarea, button, a.btn, .toplinks a {
  border-radius: 8px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 82%, black 8%);
  color: var(--text);
  font: inherit;
  text-decoration: none;
}

input, textarea {
  width: 100%;
  padding: 8px 10px;
}

button, a.btn, .toplinks a {
  padding: 8px 10px;
  cursor: pointer;
}

button:hover, a.btn:hover, .toplinks a:hover { border-color: var(--accent); }

.out {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  background: color-mix(in srgb, var(--bg) 88%, black 9%);
  border: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
  padding: 10px;
  border-radius: 8px;
  min-height: 72px;
  color: #b9d4f2;
}
.out.compact {
  margin-top: 10px;
  min-height: 38px;
  max-height: 140px;
  overflow: auto;
  font-size: 12px;
}

.muted { color: var(--muted); }
.err { color: var(--error); }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.stat {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: color-mix(in srgb, var(--bg) 84%, black 6%);
}

.stat span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 6px;
}

.stat strong {
  font-size: 18px;
}

.dialog {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--card) 97%, transparent);
  color: var(--text);
  width: min(960px, 90vw);
}

.dialog::backdrop {
  background: rgba(0, 0, 0, 0.55);
}

.table-wrap {
  border: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
  border-radius: 8px;
  overflow: auto;
  background: color-mix(in srgb, var(--bg) 90%, black 8%);
}

.table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

.table th,
.table td {
  padding: 9px 10px;
  border-bottom: 1px solid #1b2736;
  text-align: left;
  vertical-align: top;
  font-size: 13px;
}

.table th {
  color: var(--muted);
  font-weight: 600;
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 84%, black 7%);
}

.status-pill {
  display: inline-block;
  border-radius: 999px;
  padding: 2px 8px;
  border: 1px solid #31455e;
  font-size: 12px;
}

.status-ok {
  color: var(--ok);
  border-color: color-mix(in srgb, var(--accent-strong) 70%, black 25%);
}

.status-bad {
  color: #ff9f9f;
  border-color: #7d3e3e;
}

.status-neutral {
  color: var(--muted);
  border-color: var(--line);
}

.mono {
  font-family: Consolas, "Courier New", monospace;
  font-size: 12px;
}

.link-btn {
  border: 0;
  background: transparent;
  padding: 0;
  text-align: left;
  color: inherit;
  cursor: pointer;
}

.node-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

.node-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: color-mix(in srgb, var(--bg) 84%, black 6%);
  cursor: pointer;
}

.node-card-active {
  border-color: var(--accent-soft);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent-soft) 35%, transparent) inset;
}

.node-card-head {
  justify-content: space-between;
  align-items: flex-start;
}

.node-name {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.2px;
}

.node-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.mini-stat {
  border: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
  border-radius: 8px;
  padding: 8px;
  background: color-mix(in srgb, var(--bg) 90%, black 8%);
}

.mini-stat span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  margin-bottom: 4px;
}

.mini-stat strong {
  font-size: 15px;
}

.chart-shell {
  border: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
  border-radius: 8px;
  background: color-mix(in srgb, var(--bg) 90%, black 8%);
  padding: 12px;
  min-height: 260px;
}

.chart-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 12px;
}

.chart-meta strong {
  color: var(--text);
  font-size: 14px;
}

.sparkline {
  width: 100%;
  height: 220px;
  display: block;
}

.app-header {
  gap: 12px;
}

.landing-page {
  min-height: 100vh;
}

.landing-topbar {
  gap: 16px;
}

.brand-link {
  text-decoration: none;
}

.landing-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.landing-links a {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 8px;
}

.landing-links a:hover {
  color: var(--text);
  border-color: var(--line);
}

.landing-main {
  width: min(1120px, 96vw);
  margin: 14px auto 0;
  display: grid;
  gap: 14px;
}

.landing-hero {
  padding: 22px;
}

.landing-kicker {
  margin: 0 0 6px;
  font-size: 13px;
  letter-spacing: 0.7px;
  text-transform: uppercase;
  color: var(--accent-soft);
}

.landing-hero h1 {
  margin: 0;
  max-width: 840px;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.14;
}

.landing-copy {
  margin: 12px 0 0;
  max-width: 760px;
  font-size: 17px;
  color: var(--muted);
}

.landing-cta {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-soft {
  background: color-mix(in srgb, var(--bg) 88%, black 10%);
}

.landing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.landing-card {
  padding: 16px;
}

.landing-card h2 {
  margin: 0 0 8px;
}

.landing-card p {
  margin: 0;
  color: var(--muted);
}

.landing-band {
  padding: 16px;
}

.landing-band h2 {
  margin: 0 0 10px;
}

.landing-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 6px;
}

.header-links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-left: auto;
}

.header-links a {
  border-radius: 8px;
  border: 1px solid var(--chrome-line);
  padding: 7px 10px;
  text-decoration: none;
  color: var(--chrome-text);
  background: color-mix(in srgb, var(--chrome-bg) 90%, black 8%);
}

.header-links a:hover {
  border-color: var(--accent);
}

.user-menu-wrap {
  position: relative;
}

.icon-btn {
  min-width: 42px;
  min-height: 42px;
  font-size: 18px;
  line-height: 1;
  border-radius: 10px;
}

.user-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 190px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--card) 96%, transparent);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.32);
  z-index: 20;
  padding: 6px;
}

.menu-item {
  width: 100%;
  text-align: left;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  padding: 8px 9px;
}

.menu-item:hover:enabled {
  border-color: var(--line);
  background: color-mix(in srgb, var(--bg) 86%, black 6%);
}

.menu-item:disabled {
  color: var(--muted);
  opacity: 0.7;
  cursor: not-allowed;
}

.app-shell {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  align-items: start;
  gap: 14px;
  padding: 14px;
}

.side-nav {
  position: sticky;
  top: 92px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--card) 96%, transparent), color-mix(in srgb, var(--card) 90%, transparent));
  padding: 10px;
  display: grid;
  gap: 8px;
}

.side-link {
  width: 100%;
  text-align: left;
  background: color-mix(in srgb, var(--bg) 88%, black 8%);
  border: 1px solid color-mix(in srgb, var(--line) 85%, transparent);
  color: var(--muted);
  font-weight: 600;
}

.side-link.active {
  color: var(--text);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 28%, transparent) inset;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 14px;
}

.app-footer {
  margin-top: 8px;
  border-top: 1px solid var(--chrome-line);
  background: linear-gradient(180deg, color-mix(in srgb, var(--chrome-bg) 96%, transparent), color-mix(in srgb, var(--chrome-bg) 92%, transparent));
  color: var(--chrome-text);
  text-align: center;
  padding: 14px;
  font-size: 12px;
}

@media (max-width: 980px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .toplinks {
    width: 100%;
    flex-wrap: wrap;
  }
  .brand-logo {
    height: 84px;
    max-width: min(86vw, 520px);
  }
  .app-shell {
    grid-template-columns: 1fr;
  }
  .side-nav {
    position: static;
    grid-template-columns: repeat(5, minmax(120px, 1fr));
    overflow-x: auto;
  }
  .header-links {
    width: 100%;
  }
  .landing-links {
    width: 100%;
    margin-left: 0;
  }
}