:root {
  --bg: #0b0d10;
  --bg-2: #111418;
  --panel: #111419;
  --line: #1f242b;
  --text: #e6e9ed;
  --muted: #8b93a1;
  --accent: #5ec269;
  --accent-2: #4caf77;
  --danger: #e5534b;
  --warn: #d9a13b;
  --maint: #d9a13b;
  --radius: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ─── App shell ─────────────────────────────── */
.app {
  display: flex;
  height: 100vh;
  width: 100vw;
}

/* ─── Sidebar ───────────────────────────────── */
.sidebar {
  width: 220px;
  min-width: 220px;
  background: var(--bg-2);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 6px 18px;
  border-bottom: 1px solid var(--line);
}
.brand-mark { color: var(--accent); font-size: 18px; }
.brand-mark.big { font-size: 26px; }
.brand-title { font-weight: 700; letter-spacing: .2px; }
.brand-title.giant { font-size: 22px; }
.brand-sub { color: var(--muted); font-size: 12px; margin-top: 3px; }

.sections {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 18px;
}
.nav-item {
  background: none;
  border: none;
  color: var(--muted);
  text-align: left;
  padding: 9px 10px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  transition: background .12s, color .12s;
}
.nav-item:hover { background: #161a20; color: var(--text); }
.nav-item.active { background: #171d22; color: var(--text); font-weight: 600; }

.sidebar-foot {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 6px;
  font-size: 13px;
}
.user-chip .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.role-tag {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 1px 6px;
  border-radius: 999px;
  margin-left: auto;
}
.logout {
  display: block;
  margin-top: 8px;
  padding: 7px 10px;
  color: var(--muted);
  text-decoration: none;
  font-size: 12px;
  border-radius: var(--radius);
}
.logout:hover { background: #1a1012; color: var(--danger); }

/* ─── Main ──────────────────────────────────── */
.main {
  flex: 1;
  overflow-y: auto;
  padding: 24px 30px;
}
.view { display: none; }
.view.active { display: block; }

.view-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.view-head h1 { font-size: 20px; font-weight: 650; }
.legend { display: flex; gap: 16px; color: var(--muted); font-size: 12px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.led { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.led.online { background: var(--accent); }
.led.stopped { background: var(--danger); }
.led.maint { background: var(--maint); }

/* ─── Instance list (no cards/chrome) ───────── */
.instance-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.instance-row {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 16px 18px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.instance-status { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.instance-status.online { background: var(--accent); box-shadow: 0 0 8px rgba(94,194,105,.5); }
.instance-status.stopped { background: var(--danger); }
.instance-status.maint { background: var(--maint); }
.instance-main { flex: 1; min-width: 0; }
.instance-name { font-weight: 600; }
.instance-meta { color: var(--muted); font-size: 12px; margin-top: 2px; }
.instance-meta a { color: var(--muted); text-decoration: none; }
.instance-metrics { display: flex; gap: 14px; color: var(--muted); font-size: 12px; margin-top: 4px; }
.metric b { color: var(--text); font-weight: 600; }
.instance-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.btn {
  background: var(--accent-2);
  color: #050806;
  border: none;
  padding: 7px 13px;
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: filter .12s;
}
.btn:hover { filter: brightness(1.1); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
}
.btn.ghost:hover { color: var(--text); border-color: #2a313a; }
.btn.danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.btn.small { padding: 4px 10px; font-size: 11px; }

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}
.toggle input { display: none; }
.track { width: 34px; height: 18px; border-radius: 999px; background: #232a33; position: relative; transition: background .15s; flex-shrink: 0; }
.track::after {
  content: "";
  position: absolute;
  top: 2px; left: 2px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #8b93a1;
  transition: transform .15s, background .15s;
}
.toggle input:checked ~ .track { background: var(--accent-2); }
.toggle input:checked ~ .track::after { transform: translateX(16px); background: #050806; }

/* ─── Logs ──────────────────────────────────── */
.log-toolbar { display: flex; align-items: center; gap: 10px; }
.log-toolbar select {
  background: var(--bg-2);
  color: var(--text);
  border: 1px solid var(--line);
  padding: 6px 10px;
  border-radius: var(--radius);
  font-size: 13px;
}
.log-toolbar span { color: var(--muted); font-size: 12px; }
.log-container { display: flex; gap: 18px; height: calc(100vh - 160px); }
.log-col { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.log-col h3 { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 8px; }
.log-box {
  flex: 1;
  overflow: auto;
  background: #0a0c0e;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 11px;
  line-height: 1.55;
  color: #c3cad3;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ─── Users ─────────────────────────────────── */
.user-list { display: flex; flex-direction: column; gap: 8px; }
.user-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.user-row .u-name { font-weight: 600; flex: 1; }
.user-row .u-role {
  font-size: 11px;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 2px 8px;
  border-radius: 999px;
}
.user-form { display: flex; gap: 10px; margin-top: 14px; align-items: center; }
.user-form input, .user-form select {
  background: var(--bg-2);
  color: var(--text);
  border: 1px solid var(--line);
  padding: 8px 12px;
  border-radius: var(--radius);
  font-size: 13px;
}
.user-form input { flex: 1; max-width: 220px; }
.hidden { display: none !important; }

/* ─── Audit ─────────────────────────────────── */
.audit-wrap { overflow: auto; max-height: calc(100vh - 160px); }
.audit-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.audit-table th {
  text-align: left;
  color: var(--muted);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .5px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: var(--bg);
}
.audit-table td { padding: 8px 12px; border-bottom: 1px solid var(--line); color: #c3cad3; white-space: nowrap; }
.audit-table td.detail { white-space: normal; max-width: 320px; }

/* ─── Toast ─────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  padding: 11px 18px;
  border-radius: var(--radius);
  background: #1d242c;
  color: var(--text);
  border: 1px solid var(--line);
  box-shadow: 0 8px 30px rgba(0,0,0,.4);
  z-index: 100;
  font-size: 13px;
}
.toast.error { border-color: var(--danger); color: var(--danger); }
.toast.ok { border-color: var(--accent); }

/* ─── Login ─────────────────────────────────── */
.login-body { overflow: hidden; }
.login-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: 100vh;
  width: 100vw;
}
.brand-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 60px;
  background: var(--bg-2);
  border-right: 1px solid var(--line);
}
.brand-panel .brand-mark { font-size: 34px; margin-bottom: 18px; }
.brand-panel .brand-title { font-size: 30px; }
.brand-panel .brand-sub { font-size: 15px; margin-top: 8px; color: var(--muted); }
.form-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
  background: var(--bg);
}
.login-form { width: 100%; max-width: 340px; }
.login-form h1 { font-size: 24px; margin-bottom: 22px; }
.login-form label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 16px;
}
.login-form input {
  display: block;
  width: 100%;
  margin-top: 6px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 12px 14px;
  border-radius: var(--radius);
  font-size: 14px;
}
.login-form input:focus { border-color: var(--accent-2); outline: none; }
.form-error {
  background: rgba(229,83,75,.1);
  border: 1px solid var(--danger);
  color: var(--danger);
  padding: 9px 12px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 13px;
}
.btn.full { width: 100%; padding: 12px; margin-top: 6px; font-size: 14px; }