:root {
  --bg: #0f1115;
  --panel: #181b22;
  --panel-2: #1f232c;
  --border: #2a2f3a;
  --text: #e6e8ec;
  --muted: #8b93a1;
  --accent: #d98a3d;
  --accent-2: #5aa9e6;
  --ok: #3fb950;
  --bad: #f85149;
  --warn: #d29922;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  padding: 0.75rem 1.25rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
  margin-right: 0.5rem;
}

nav { display: flex; flex-wrap: wrap; align-items: center; gap: 0.35rem 0.75rem; }
nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.15rem 0;
}
nav a:hover { color: var(--text); }
nav a.admin { color: var(--accent); }
nav .nav-sep {
  color: var(--muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-left: 0.5rem;
  opacity: 0.7;
}
nav form.logout { display: inline; margin: 0; }
nav form.logout button {
  background: none; border: none; color: var(--muted);
  cursor: pointer; font-size: 0.9rem; padding: 0;
}
nav form.logout button:hover { color: var(--bad); }

main { max-width: 60rem; margin: 0 auto; padding: 1.5rem 1.25rem 4rem; }

h1 { font-size: 1.6rem; margin: 0.5rem 0 0.75rem; }
h2 { font-size: 1.2rem; margin: 1.75rem 0 0.5rem; }
h3 { margin: 0 0 0.4rem; }

.lead { color: var(--muted); max-width: 48rem; }
.muted { color: var(--muted); font-size: 0.85rem; }

a { color: var(--accent-2); }

code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  background: var(--panel-2);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.85em;
  word-break: break-word;
}

pre.code {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  overflow: auto;
  font-size: 0.82rem;
  max-height: 28rem;
}

/* Status pills */
.status-row { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.pill {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-size: 0.8rem;
  border: 1px solid var(--border);
  background: var(--panel-2);
}
.pill.ok { color: var(--ok); border-color: rgba(63,185,80,0.4); }
.pill.bad { color: var(--bad); border-color: rgba(248,81,73,0.4); }

/* Card grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 0.9rem;
  margin: 1rem 0;
}
.card {
  display: block;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s, transform 0.15s;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card h3 { color: var(--accent); }
.card p { margin: 0; color: var(--muted); font-size: 0.88rem; }

/* Banners */
.banner {
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin: 1rem 0;
  border: 1px solid var(--border);
  font-size: 0.9rem;
}
.banner.info { background: rgba(90,169,230,0.1); border-color: rgba(90,169,230,0.4); }
.banner.warn { background: rgba(210,153,34,0.1); border-color: rgba(210,153,34,0.45); }

/* Tables */
table { border-collapse: collapse; width: 100%; margin: 0.75rem 0; font-size: 0.9rem; }
table.kv th { text-align: left; width: 14rem; vertical-align: top; padding: 0.35rem 0.75rem 0.35rem 0; color: var(--muted); font-weight: 500; }
table.kv td { padding: 0.35rem 0; border-bottom: 1px solid var(--border); }
table.data th, table.data td { text-align: left; padding: 0.4rem 0.6rem; border-bottom: 1px solid var(--border); }
table.data thead th { color: var(--muted); font-weight: 600; border-bottom: 2px solid var(--border); }
.masked { letter-spacing: 0.1em; }

/* Forms */
form.stack { display: flex; flex-direction: column; gap: 0.6rem; max-width: 34rem; margin: 1rem 0; }
form.stack label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.9rem; color: var(--muted); }
input, textarea, select {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 0.5rem 0.6rem;
  font: inherit;
}
textarea { min-height: 5rem; resize: vertical; }
button {
  background: var(--accent);
  color: #1a1205;
  border: none;
  border-radius: 6px;
  padding: 0.5rem 1rem;
  font-weight: 600;
  cursor: pointer;
  align-self: flex-start;
}
button:hover { filter: brightness(1.07); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.link { background: none; color: var(--bad); padding: 0; font-weight: 500; }
button.danger { background: var(--bad); color: #fff; }

ul.endpoints { line-height: 2; }
ul.guestbook { list-style: none; padding: 0; }
ul.guestbook li { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 0.6rem 0.9rem; margin-bottom: 0.6rem; }
ul.guestbook time { color: var(--muted); font-size: 0.78rem; margin-left: 0.5rem; }
ul.guestbook p { margin: 0.3rem 0 0; }

.danger-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr)); gap: 1rem; }
.danger-grid form { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 1rem; margin: 0; }
.danger-grid p { color: var(--muted); font-size: 0.85rem; }

footer {
  border-top: 1px solid var(--border);
  padding: 1rem 1.25rem;
  display: flex;
  gap: 1.5rem;
  color: var(--muted);
  font-size: 0.8rem;
}