:root {
  --navy: #1e2444;
  --navy-dark: #171c36;
  --navy-hover: #2b3358;
  --orange: #ff6c2c;
  --orange-dark: #e35a1d;
  --bg: #f2f5f9;
  --card: #ffffff;
  --text: #23262f;
  --muted: #6d7486;
  --border: #e2e6ee;
  --green: #17936a;
  --red: #d33a3a;
  --amber: #c98a00;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(20, 26, 48, .06), 0 4px 14px rgba(20, 26, 48, .05);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  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;
}

code, pre, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; }

/* ------------------------------ login ------------------------------- */

#login {
  position: fixed;
  inset: 0;
  background: linear-gradient(150deg, var(--navy) 0%, #2c3566 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.login-box {
  background: #fff;
  width: 340px;
  padding: 32px;
  border-radius: 14px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, .3);
}

.login-box h1 {
  margin: 0 0 4px;
  font-size: 22px;
  letter-spacing: -.3px;
}

.login-box p { margin: 0 0 22px; color: var(--muted); font-size: 13px; }

/* ------------------------------ shell ------------------------------- */

#app { display: none; min-height: 100%; }
#app.ready { display: block; }

.sidebar {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: 224px;
  background: var(--navy);
  color: #c8cee6;
  padding: 22px 0;
  overflow-y: auto;
  z-index: 20;
}

.brand {
  padding: 0 22px 20px;
  font-size: 19px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -.4px;
}
.brand span { color: var(--orange); }

.nav a {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 11px 22px;
  color: #c8cee6;
  text-decoration: none;
  font-size: 14px;
  border-left: 3px solid transparent;
  cursor: pointer;
}
.nav a:hover { background: var(--navy-hover); color: #fff; }
.nav a.active { background: var(--navy-dark); color: #fff; border-left-color: var(--orange); }
.nav a svg { width: 17px; height: 17px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.7; }

.nav-sep { margin: 14px 22px 8px; font-size: 11px; text-transform: uppercase; letter-spacing: .9px; color: #79819f; }

.main { margin-left: 224px; min-height: 100vh; }

.topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 0 26px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 15;
}
.topbar .host { font-weight: 600; }
.topbar .host small { color: var(--muted); font-weight: 400; margin-left: 8px; }

.content { padding: 24px 26px 60px; max-width: 1240px; }

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

h2.page-title { margin: 0 0 4px; font-size: 20px; letter-spacing: -.3px; }
p.page-sub { margin: 0 0 20px; color: var(--muted); }

/* ------------------------------ cards ------------------------------- */

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 18px;
  overflow: hidden;
}

.card-head {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-weight: 600;
}
.card-body { padding: 18px; }

.grid { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

.stat { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); }
.stat .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .6px; }
.stat .value { font-size: 26px; font-weight: 650; margin: 6px 0 10px; letter-spacing: -.5px; }
.stat .sub { color: var(--muted); font-size: 12px; }

.bar { height: 6px; background: #eceff5; border-radius: 4px; overflow: hidden; margin-bottom: 8px; }
.bar > i { display: block; height: 100%; background: var(--orange); border-radius: 4px; transition: width .4s ease; }
.bar.ok > i { background: var(--green); }
.bar.warn > i { background: var(--amber); }
.bar.crit > i { background: var(--red); }

/* ------------------------------ table ------------------------------- */

table { width: 100%; border-collapse: collapse; }
th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .7px;
  color: var(--muted);
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: #fafbfd;
  font-weight: 600;
}
td { padding: 11px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #fafbfd; }
td.actions { text-align: right; white-space: nowrap; }
.clickable { cursor: pointer; color: var(--orange); }
.clickable:hover { text-decoration: underline; }

/* ---------------------------- controls ------------------------------ */

label.field { display: block; margin-bottom: 12px; }
label.field span { display: block; font-size: 12px; font-weight: 600; margin-bottom: 5px; color: #454b5e; }
label.field small { display: block; font-weight: 400; color: var(--muted); margin-top: 4px; font-size: 11.5px; }

input[type=text], input[type=password], input[type=number], input[type=email], select, textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(255, 108, 44, .35); border-color: var(--orange); }
textarea { min-height: 160px; resize: vertical; }
textarea.mono { font-size: 13px; line-height: 1.5; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 15px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  border-radius: 7px;
  cursor: pointer;
  font-size: 13.5px;
  font-family: inherit;
  font-weight: 500;
}
.btn:hover { background: #f7f8fb; }
.btn:focus-visible { outline: 2px solid var(--orange); outline-offset: 1px; }
.btn.primary { background: var(--orange); border-color: var(--orange); color: #fff; }
.btn.primary:hover { background: var(--orange-dark); border-color: var(--orange-dark); }
.btn.danger { color: var(--red); border-color: #f0c8c8; }
.btn.danger:hover { background: #fdf2f2; }
.btn.sm { padding: 5px 10px; font-size: 12.5px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }

.pill {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 600;
  background: #eef1f6;
  color: var(--muted);
}
.pill.on { background: #e3f5ee; color: var(--green); }
.pill.off { background: #fbe9e9; color: var(--red); }
.pill.wait { background: #fdf3dd; color: var(--amber); }

pre.output {
  background: #12162b;
  color: #d6dbf0;
  padding: 15px;
  border-radius: 8px;
  overflow: auto;
  max-height: 460px;
  font-size: 12.5px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
}

.empty { padding: 34px 18px; text-align: center; color: var(--muted); }
.empty strong { display: block; color: var(--text); margin-bottom: 4px; }

/* ---------------------------- file list ----------------------------- */

.crumb { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; font-size: 13px; margin-bottom: 12px; }
.crumb .mono { background: #eef1f6; padding: 3px 8px; border-radius: 5px; }

/* ------------------------------ modal ------------------------------- */

.modal {
  position: fixed;
  inset: 0;
  background: rgba(18, 22, 43, .55);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 60;
}
.modal.open { display: flex; }
.modal-box {
  background: #fff;
  border-radius: 12px;
  width: 100%;
  max-width: 620px;
  max-height: 88vh;
  overflow: auto;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .32);
}
.modal-box.wide { max-width: 940px; }
.modal-head { padding: 16px 20px; border-bottom: 1px solid var(--border); font-weight: 600; display: flex; justify-content: space-between; align-items: center; }
.modal-body { padding: 20px; }
.modal-foot { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }
.x { cursor: pointer; color: var(--muted); font-size: 20px; line-height: 1; border: none; background: none; }

/* ------------------------------ toast ------------------------------- */

#toasts { position: fixed; right: 20px; bottom: 20px; z-index: 200; display: flex; flex-direction: column; gap: 10px; }
.toast {
  background: #fff;
  border-left: 4px solid var(--green);
  border-radius: 8px;
  padding: 12px 16px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, .18);
  max-width: 400px;
  font-size: 13.5px;
  white-space: pre-wrap;
}
.toast.err { border-left-color: var(--red); }

.hint { background: #fff8f3; border: 1px solid #ffd9c2; border-radius: 8px; padding: 12px 14px; font-size: 13px; margin-bottom: 16px; }

.muted { color: var(--muted); }
.right { text-align: right; }
.nowrap { white-space: nowrap; }

/* ---------------------------- responsive ---------------------------- */

.menu-toggle { display: none; background: none; border: none; font-size: 22px; cursor: pointer; color: var(--text); }

@media (max-width: 860px) {
  .sidebar { transform: translateX(-100%); transition: transform .22s ease; }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .menu-toggle { display: block; }
  .content { padding: 18px 14px 60px; }
  th, td { padding: 9px 10px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}