:root {
  --bg: #0c0e12;
  --card: #161a22;
  --border: #232a36;
  --text: #e0e6ed;
  --dim: #7e8a9a;
  --ok: #43b581;
  --warn: #faa61a;
  --bad: #f04747;
  --accent: #5d9cec;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.hidden { display: none !important; }

#login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
#login-form {
  background: var(--card);
  padding: 32px;
  border-radius: 8px;
  min-width: 320px;
  border: 1px solid var(--border);
}
#login-form h1 { margin: 0 0 24px; font-size: 20px; font-weight: 600; }
#login-form input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font: inherit;
  margin-bottom: 12px;
}
#login-form button {
  width: 100%;
  padding: 10px 12px;
  background: var(--accent);
  border: none;
  border-radius: 4px;
  color: white;
  font: inherit;
  cursor: pointer;
}
#login-form button:hover { filter: brightness(1.1); }
.error {
  color: var(--bad);
  font-size: 12px;
  margin-top: 8px;
}

#dashboard {
  padding: 16px;
  max-width: 1280px;
  margin: 0 auto;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
header h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}
.status-cluster {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--dim);
}
.dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--dim);
}
.dot-ok { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.dot-bad { background: var(--bad); box-shadow: 0 0 8px var(--bad); }
.dot-warn { background: var(--warn); box-shadow: 0 0 8px var(--warn); }
.dot-unknown { background: var(--dim); }

.grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 12px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}
.card h2 {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.big-stat {
  display: flex;
  gap: 28px;
  margin-bottom: 12px;
  font-size: 20px;
}
.big-stat .arrow { color: var(--accent); }
.big-stat .unit { font-size: 14px; color: var(--dim); }
.kv {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}
.kv:last-child { border-bottom: none; }
.kv > span:first-child { color: var(--dim); }
.muted { color: var(--dim); }
.small { font-size: 12px; }
.dim { color: var(--dim); }

.audit            { grid-column: 1 / -1; }
.raw              { grid-column: 1 / -1; }
.devices          { grid-column: 1 / -1; }

.device-rows {
  max-height: 320px;
  overflow-y: auto;
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 12px;
}
.device-row {
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
  white-space: pre;
  overflow-x: auto;
}
.device-row:last-child { border-bottom: none; }
.device-row .badge-active { color: var(--ok); }
.device-row .badge-closed { color: var(--dim); }
.footnote { margin-top: 8px; font-size: 11px; opacity: 0.7; }

.proto-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 6px 0;
  font-size: 13px;
}
.proto-row .proto-name { width: 64px; color: var(--dim); }
.proto-row .proto-bar {
  flex: 1;
  height: 8px;
  background: var(--bg);
  border-radius: 4px;
  overflow: hidden;
}
.proto-row .proto-fill {
  height: 100%;
  background: var(--accent);
  transition: width 200ms;
}
.proto-row .proto-count { width: 36px; text-align: right; }

#bw-chart {
  width: 100%;
  height: 80px;
  display: block;
  margin-top: 8px;
  background: var(--bg);
  border-radius: 4px;
}

.audit-rows {
  max-height: 360px;
  overflow-y: auto;
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 12px;
}
.audit-row {
  padding: 3px 0;
  border-bottom: 1px solid var(--border);
  white-space: pre;
  overflow-x: auto;
}
.audit-row:last-child { border-bottom: none; }

.raw-pre {
  max-height: 280px;
  overflow: auto;
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 11px;
  color: var(--dim);
  margin: 0;
  white-space: pre;
}

@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
}