:root {
  --bg: #0b1116;
  --bg-elevated: #111a22;
  --bg-panel: #16212c;
  --line: #223142;
  --text: #f1f5f9;
  --muted: #97a7b6;
  --accent: #c7a24b;
  --accent-strong: #e1b95b;
  --success: #4cc38a;
  --danger: #f46d6d;
  --warning: #ffbf47;
  --shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background:
    radial-gradient(circle at top, rgba(199, 162, 75, 0.16), transparent 26%),
    linear-gradient(180deg, #101923 0%, #0b1116 100%);
  color: var(--text);
}

.login-shell,
.app-shell {
  min-height: 100vh;
}

.login-shell {
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card,
.panel,
.metric-card,
.table-card,
.console {
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(16, 25, 35, 0.92);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.login-card {
  width: min(420px, 100%);
  padding: 32px;
  border-radius: 24px;
}

.brand-kicker {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 12px;
  margin-bottom: 10px;
}

h1, h2, h3, h4, p { margin-top: 0; }

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

.stack {
  display: grid;
  gap: 16px;
}

label span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 14px;
}

input, select, textarea, button {
  font: inherit;
}

input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #0b131a;
  color: var(--text);
}

button {
  cursor: pointer;
  border: 0;
  border-radius: 12px;
  padding: 11px 16px;
  color: var(--text);
  background: var(--bg-panel);
}

.btn {
  border: 1px solid var(--line);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #1d1406;
  font-weight: 700;
}

.btn-outline {
  background: transparent;
}

.btn-danger {
  background: rgba(244, 109, 109, 0.15);
  border: 1px solid rgba(244, 109, 109, 0.3);
}

.chrome {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  overflow-y: auto;
  padding: 28px;
  border-right: 1px solid rgba(255,255,255,0.08);
  background: rgba(8, 13, 18, 0.82);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
}

.nav {
  display: grid;
  gap: 10px;
}

.nav-link {
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
}

.nav-link.active,
.nav-link:hover {
  border-color: rgba(199, 162, 75, 0.4);
  background: rgba(199, 162, 75, 0.1);
}

.sidebar-actions {
  display: grid;
  gap: 10px;
}

.content {
  padding: 28px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  margin-bottom: 24px;
}

.flash-message {
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(199, 162, 75, 0.12);
  border: 1px solid rgba(199, 162, 75, 0.3);
}

.view { display: none; }
.view.active { display: block; }

.grid-two,
.grid-three,
.grid-four {
  display: grid;
  gap: 16px;
}

.grid-two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-four { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.panel,
.metric-card,
.table-card,
.console {
  border-radius: 20px;
  padding: 18px;
}

.metric-value {
  font-size: 28px;
  font-weight: 700;
}

.metric-label {
  color: var(--muted);
  margin-bottom: 8px;
}

.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--muted);
}

.dot.online { background: var(--success); }
.dot.offline { background: var(--danger); }
.dot.unknown { background: var(--warning); }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th, td {
  padding: 10px 8px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  text-align: left;
  vertical-align: top;
}

th { color: var(--muted); font-weight: 600; }

.toolbar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.toolbar .full {
  grid-column: 1 / -1;
}

.console pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 560px;
  overflow: auto;
  font-family: Consolas, "Courier New", monospace;
  font-size: 13px;
}

.inline-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.kb-category-list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.kb-category-manager {
  padding: 16px;
}

.kb-article-content {
  padding: 16px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.03);
}

.kb-editor-tabs {
  display: flex;
  gap: 8px;
}

.kb-markdown-help pre,
.kb-fallback-pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: Consolas, "Courier New", monospace;
  font-size: 13px;
}

.kb-markdown-body {
  line-height: 1.7;
  color: var(--text);
  overflow-wrap: anywhere;
}

.kb-markdown-body > :first-child {
  margin-top: 0;
}

.kb-markdown-body > :last-child {
  margin-bottom: 0;
}

.kb-markdown-body h1,
.kb-markdown-body h2,
.kb-markdown-body h3,
.kb-markdown-body h4,
.kb-markdown-body h5,
.kb-markdown-body h6 {
  color: var(--text);
  margin: 1.2em 0 0.55em;
}

.kb-markdown-body p,
.kb-markdown-body ul,
.kb-markdown-body ol,
.kb-markdown-body blockquote,
.kb-markdown-body pre,
.kb-markdown-body table {
  margin: 0 0 1em;
}

.kb-markdown-body ul,
.kb-markdown-body ol {
  padding-left: 1.4rem;
}

.kb-markdown-body li + li {
  margin-top: 0.3em;
}

.kb-markdown-body blockquote {
  margin-left: 0;
  padding: 12px 16px;
  border-left: 3px solid var(--accent);
  background: rgba(199, 162, 75, 0.08);
  color: var(--muted);
}

.kb-markdown-body code {
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.95em;
  padding: 0.15em 0.4em;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.35);
  color: #f7d78a;
}

.kb-markdown-body pre {
  overflow-x: auto;
  padding: 14px;
  border-radius: 12px;
  background: #0b131a;
  border: 1px solid var(--line);
}

.kb-markdown-body pre code {
  display: block;
  padding: 0;
  background: transparent;
  color: var(--text);
}

.kb-markdown-body a {
  color: var(--accent-strong);
}

.kb-markdown-body table {
  display: block;
  overflow-x: auto;
  border-collapse: collapse;
  width: max-content;
  min-width: 100%;
}

.kb-markdown-body th,
.kb-markdown-body td {
  border: 1px solid rgba(255,255,255,0.08);
  padding: 10px 12px;
}

.kb-markdown-body hr {
  border: 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  margin: 1.5em 0;
}

.kb-attachments-panel h4 {
  margin-bottom: 6px;
}

.kb-attachment-item {
  padding: 14px 16px;
}

.kb-attachment-markdown-link {
  margin-top: 8px;
  color: var(--muted);
}

.kb-attachment-markdown-link code {
  display: inline-block;
  white-space: pre-wrap;
  word-break: break-all;
}

.slack-status-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.slack-message-card {
  padding: 16px;
}

.slack-message-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.slack-message-body {
  white-space: normal;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.slack-composer textarea {
  min-height: 140px;
  resize: vertical;
}

.pill {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 1100px) {
  .chrome {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    overflow: visible;
    border-right: 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .grid-four,
  .grid-three,
  .grid-two,
  .slack-status-grid {
    grid-template-columns: 1fr;
  }
}