:root {
  --ink: #1c1915;
  --muted: #5c564c;
  --line: #e4dccf;
  --paper: #f7f3ec;
  --card: #fffdf8;
  --green: #243126;
  --green-2: #1d6b32;
  --accent: #c4a574;
  --warn: #8a3b12;
  --shadow: 0 10px 30px rgba(36, 49, 38, 0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  line-height: 1.45;
}

a { color: #1f4d32; }
button, input, textarea, select { font: inherit; color: inherit; }

.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.side {
  background: var(--green);
  color: #f6f1e7;
  padding: 1.25rem 1rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.brand { display: flex; flex-direction: column; gap: 0.15rem; padding: 0 0.4rem; }
.brand strong { font-size: 1.15rem; letter-spacing: 0.04em; }
.brand span { color: #d9c7a6; font-size: 0.85rem; }

.side nav { display: flex; flex-direction: column; gap: 0.2rem; }
.side a {
  color: #f6f1e7;
  text-decoration: none;
  padding: 0.45rem 0.6rem;
  border-radius: 8px;
}
.side a.active, .side a:hover { background: rgba(255, 253, 248, 0.12); }
.side form { margin-top: auto; }
.side button.linkish {
  background: transparent;
  color: #f6f1e7;
  border: 0;
  padding: 0.45rem 0.6rem;
  cursor: pointer;
}

main { padding: 1.6rem 1.8rem 3rem; max-width: 920px; }
h1 { font-size: 1.8rem; margin: 0 0 0.35rem; font-weight: 650; }
h2 { font-size: 1.15rem; margin: 0 0 0.5rem; }
.lede { color: var(--muted); margin-top: 0; }

.card, section, .node, form, table {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
}
section, .node, form, .card { padding: 1rem 1.1rem; margin: 0.9rem 0; }
form { display: grid; gap: 0.15rem; }
section form, .node form, td form, .side form {
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0;
  margin: 0;
}
td form, .side form { display: block; }
label { display: grid; gap: 0.25rem; margin: 0.45rem 0; font-size: 0.92rem; }
input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 0.55rem 0.7rem;
}
input[type="radio"] { width: auto; padding: 0; }
input[type="file"] { padding: 0.45rem 0.7rem; }
fieldset {
  border: 1px solid var(--line);
  border-radius: 12px;
  margin: 0.4rem 0 0.2rem;
}
legend { padding: 0 0.3rem; color: var(--muted); }
textarea { min-height: 6rem; }
button, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--green);
  color: #f6f1e7;
  border: 0;
  border-radius: 999px;
  padding: 0.55rem 0.95rem;
  text-decoration: none;
  cursor: pointer;
  width: fit-content;
}
.button.secondary, button.secondary {
  background: transparent;
  color: var(--green);
  border: 1px solid var(--green);
}
.actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 0.8rem 0 1rem; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; }
.stat { padding: 0.9rem 1rem; }
.stat strong { display: block; font-size: 1.5rem; }
.stat span { color: var(--muted); font-size: 0.85rem; }

table { border-collapse: separate; border-spacing: 0; width: 100%; overflow: hidden; }
td, th { text-align: left; padding: 0.65rem 0.75rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 0.78rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); }
tr:last-child td { border-bottom: 0; }
ul.plain { list-style: none; padding: 0; }
ul.plain li { padding: 0.55rem 0; border-bottom: 1px solid var(--line); }
ul.plain li form {
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0;
  margin: 0.35rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}
ul.plain li form select { width: min(100%, 22rem); }

.presence {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 0.15rem 0.5rem;
}
.presence.online { color: var(--green-2); background: #e5f4ea; }
.presence.offline { color: var(--warn); background: #f8e8df; }
.presence.waiting { color: #6a5a20; background: #f6efd8; }
.banner { padding: 0.7rem 0.9rem; border-radius: 10px; background: #f8e8df; color: var(--warn); }

.setup { display: grid; gap: 0.8rem; }
.steps { margin: 0; padding-left: 1.2rem; }
.steps li { margin: 0.25rem 0; }
pre.commands {
  white-space: pre-wrap;
  background: var(--green);
  color: #f6f1e7;
  padding: 0.9rem;
  border-radius: 12px;
  margin: 0;
}
.note { color: var(--muted); font-size: 0.9rem; }

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}
.login-card { width: min(420px, 100%); padding: 1.4rem; }
.login-card h1 { margin-bottom: 0.8rem; }

@media (max-width: 800px) {
  .app { grid-template-columns: 1fr; }
  .side { padding-bottom: 1rem; }
  .side nav { flex-direction: row; flex-wrap: wrap; }
  .side form { margin-top: 0; }
  main { padding: 1rem; }
  .stats { grid-template-columns: 1fr; }
}