:root {
  --blue: #2f6fed;
  --blue-hover: #1e5ad6;
  --blue-soft: #eaf1ff;
  --navy: #0b1220;
  --bg: #f3f5f8;
  --card: #ffffff;
  --border: #e6ebf2;
  --text: #1c2533;
  --muted: #667085;
  --success: #0d9f6e;
  --success-bg: #ecfdf5;
  --danger: #dc3b3b;
  --danger-bg: #fef2f2;
  --warn: #d97706;
  --warn-bg: #fffbeb;
  --sidebar: 232px;
  --topbar: 56px;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.05), 0 1px 3px rgba(15, 23, 42, 0.04);
  --font: "Inter", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  font-size: 14px;
  line-height: 1.45;
}

button, input, select, textarea { font-family: inherit; font-size: 14px; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
.hidden { display: none !important; }

/* ========== Login ========== */
.login-wrap {
  min-height: 100%;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
}
.login-brand {
  background: linear-gradient(165deg, #0b1220 0%, #15233d 55%, #1a3a73 100%);
  color: #fff;
  padding: 56px 64px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.login-brand .mark {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--blue); display: grid; place-items: center;
  font-weight: 800; letter-spacing: -0.04em;
}
.login-brand h1 { font-size: 32px; margin: 28px 0 10px; letter-spacing: -0.03em; }
.login-brand p.lead { color: #b7c4d8; max-width: 420px; font-size: 15px; }
.login-points { list-style: none; padding: 0; margin: 36px 0 0; }
.login-points li {
  display: flex; gap: 12px; align-items: flex-start;
  color: #d5deea; margin-bottom: 16px; font-size: 14px;
}
.login-points .dot {
  width: 22px; height: 22px; border-radius: 6px; flex: 0 0 22px;
  background: rgba(47, 111, 237, 0.25); color: #9cc0ff;
  display: grid; place-items: center; font-size: 12px; margin-top: 1px;
}
.login-foot { color: #7d8ba3; font-size: 12px; }
.login-panel {
  display: grid; place-items: center; background: #fff; padding: 40px 24px;
}
.login-card { width: 100%; max-width: 380px; }
.login-card h2 { margin: 0 0 6px; font-size: 22px; letter-spacing: -0.02em; }
.login-card .sub { color: var(--muted); margin: 0 0 28px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 6px; }
.field input {
  width: 100%; height: 40px; padding: 0 12px;
  border: 1px solid #d5dee9; border-radius: 8px; outline: none; background: #fff;
}
.field input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-soft); }
.row-between { display: flex; justify-content: space-between; align-items: center; margin: 8px 0 18px; }
.check { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 13px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 36px; padding: 0 14px; border-radius: 8px; border: 1px solid transparent;
  background: var(--blue); color: #fff; font-weight: 600; cursor: pointer;
}
.btn:hover { background: var(--blue-hover); text-decoration: none; }
.btn-block { width: 100%; height: 42px; }
.btn-ghost {
  background: #fff; color: var(--text); border-color: var(--border);
}
.btn-ghost:hover { background: #f8fafc; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #c12e2e; }
.btn-sm { height: 30px; padding: 0 10px; font-size: 13px; }
.hint {
  margin-top: 18px; padding: 10px 12px; background: #f8fafc;
  border: 1px solid var(--border); border-radius: 8px; color: var(--muted); font-size: 12px;
}
.error {
  background: var(--danger-bg); color: var(--danger); border: 1px solid #fecaca;
  padding: 8px 10px; border-radius: 8px; margin-bottom: 12px; font-size: 13px;
}

/* ========== App shell ========== */
#app { display: flex; min-height: 100%; }
.sidebar {
  width: var(--sidebar); flex: 0 0 var(--sidebar);
  background: #fff; border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
}
.brand {
  height: var(--topbar); display: flex; align-items: center; gap: 10px;
  padding: 0 16px; border-bottom: 1px solid var(--border);
  font-weight: 800; letter-spacing: -0.03em;
}
.brand .mark {
  width: 28px; height: 28px; border-radius: 7px; background: var(--blue);
  color: #fff; display: grid; place-items: center; font-size: 13px;
}
.nav { padding: 12px 10px; flex: 1; overflow: auto; }
.nav-label {
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em;
  color: #98a2b3; padding: 8px 8px 6px; text-transform: uppercase;
}
.nav a, .nav button.nav-item {
  width: 100%; display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 8px; color: #344054; background: none;
  border: 0; text-align: left; cursor: pointer; font-weight: 500;
}
.nav a:hover, .nav button.nav-item:hover { background: #f5f8fc; text-decoration: none; }
.nav a.active, .nav button.nav-item.active {
  background: var(--blue-soft); color: var(--blue); font-weight: 650;
}
.nav svg { width: 16px; height: 16px; flex: 0 0 16px; opacity: 0.9; }
.nav-back {
  margin: 0 10px 8px; padding: 8px 10px; border: 1px solid var(--border);
  border-radius: 8px; background: #f8fafc; color: #344054; cursor: pointer;
  display: flex; align-items: center; gap: 8px; font-weight: 600; width: calc(100% - 20px);
}
.nav-back:hover { background: #eef2f7; }
.sidebar-foot {
  padding: 12px 14px; border-top: 1px solid var(--border); font-size: 12px; color: var(--muted);
}

.workspace { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  height: var(--topbar); background: #fff; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 20px; gap: 16px;
}
.switcher {
  display: flex; align-items: center; gap: 8px; min-width: 280px;
  height: 36px; padding: 0 10px; border: 1px solid var(--border);
  border-radius: 8px; background: #f8fafc; cursor: pointer; position: relative;
}
.switcher strong { font-size: 13px; }
.switcher span { color: var(--muted); font-size: 12px; }
.switcher-menu {
  position: absolute; top: 42px; left: 0; width: 360px; background: #fff;
  border: 1px solid var(--border); border-radius: 10px; box-shadow: var(--shadow);
  z-index: 20; padding: 8px;
}
.switcher-menu input {
  width: 100%; height: 34px; border: 1px solid var(--border); border-radius: 6px;
  padding: 0 10px; margin-bottom: 6px;
}
.switcher-menu button {
  width: 100%; text-align: left; background: none; border: 0; padding: 8px 10px;
  border-radius: 6px; cursor: pointer; display: flex; justify-content: space-between;
}
.switcher-menu button:hover { background: #f5f8fc; }
.top-actions { display: flex; align-items: center; gap: 10px; }
.userchip {
  display: flex; align-items: center; gap: 8px; color: #344054;
}
.avatar {
  width: 28px; height: 28px; border-radius: 50%; background: #dbe7ff;
  color: var(--blue); display: grid; place-items: center; font-weight: 700; font-size: 12px;
}
.linkish { background: none; border: 0; color: var(--blue); cursor: pointer; font-weight: 600; }

main#main { padding: 22px 24px 40px; }

.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 18px; }
.page-head h1 { margin: 0; font-size: 22px; letter-spacing: -0.03em; }
.page-head p { margin: 4px 0 0; color: var(--muted); }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.kpi {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; box-shadow: var(--shadow);
}
.kpi .lbl { color: var(--muted); font-size: 12px; font-weight: 600; }
.kpi .val { font-size: 24px; font-weight: 750; letter-spacing: -0.03em; margin-top: 4px; }
.kpi .meta { color: var(--muted); font-size: 12px; margin-top: 4px; }

.grid-2 { display: grid; grid-template-columns: 1.6fr 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 12px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card-h {
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
}
.card-h h2 { margin: 0; font-size: 14px; font-weight: 700; }
.card-b { padding: 12px 16px; }

table.data { width: 100%; border-collapse: collapse; }
table.data th, table.data td {
  text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border);
  font-size: 13px; vertical-align: middle;
}
table.data th { color: #667085; font-weight: 650; font-size: 12px; background: #fafbfc; }
table.data tr:hover td { background: #f8fafc; }
table.data .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }
.empty { color: var(--muted); padding: 24px; text-align: center; }

.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 650;
}
.pill-ok { background: var(--success-bg); color: var(--success); }
.pill-bad { background: var(--danger-bg); color: var(--danger); }
.pill-warn { background: var(--warn-bg); color: var(--warn); }
.pill-mute { background: #f2f4f7; color: #667085; }
.dot-ok, .dot-bad, .dot-mute {
  width: 7px; height: 7px; border-radius: 50%; display: inline-block;
}
.dot-ok { background: var(--success); }
.dot-bad { background: var(--danger); }
.dot-mute { background: #98a2b3; }

.bars { display: flex; align-items: flex-end; gap: 6px; height: 92px; padding-top: 8px; }
.bars span {
  flex: 1; background: #d6e4ff; border-radius: 4px 4px 0 0; min-height: 6px;
}
.bars span.on { background: var(--blue); }
.event { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid #f1f4f8; }
.event:last-child { border-bottom: 0; }
.event .t { color: var(--muted); font-size: 12px; white-space: nowrap; }

.toggle {
  width: 36px; height: 20px; border-radius: 99px; background: #d0d5dd; border: 0; position: relative; cursor: pointer;
}
.toggle.on { background: var(--blue); }
.toggle i {
  position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; background: #fff; border-radius: 50%;
  transition: left 0.15s ease;
}
.toggle.on i { left: 18px; }

.setting-row {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 10px 0; border-bottom: 1px solid #f1f4f8;
}
.setting-row:last-child { border-bottom: 0; }
.setting-row .desc { color: var(--muted); font-size: 12px; margin-top: 2px; }

.filters { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.filters input, .filters select {
  height: 34px; border: 1px solid var(--border); border-radius: 8px; padding: 0 10px; background: #fff;
}

.modal-bg {
  position: fixed; inset: 0; background: rgba(15, 23, 42, 0.4);
  display: grid; place-items: center; z-index: 40; padding: 20px;
}
.modal {
  background: #fff; width: min(560px, 100%); border-radius: 12px;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.18);
}
.modal h3 { margin: 0; padding: 16px 18px; border-bottom: 1px solid var(--border); }
.modal .body { padding: 16px 18px; }
.modal .foot { padding: 12px 18px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }
.code {
  background: #0b1220; color: #dbe7ff; padding: 12px; border-radius: 8px;
  font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12px;
  overflow: auto; white-space: pre-wrap;
}

.toast {
  position: fixed; right: 18px; bottom: 18px; background: #0b1220; color: #fff;
  padding: 10px 14px; border-radius: 8px; z-index: 50; font-size: 13px;
  box-shadow: var(--shadow);
}

.modules { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.mod {
  border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px;
  display: flex; justify-content: space-between; align-items: center;
}
.scan-opts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 14px; }
.opt {
  border: 1px solid var(--border); border-radius: 8px; padding: 12px; cursor: pointer; background: #fff;
}
.opt.selected { border-color: var(--blue); background: var(--blue-soft); }
.opt b { display: block; margin-bottom: 4px; }
.opt span { color: var(--muted); font-size: 12px; }

.demo-accounts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 14px; }
.demo-acc {
  text-align: left; border: 1px solid var(--border); background: #fff;
  border-radius: 8px; padding: 10px; cursor: pointer;
}
.demo-acc:hover, .demo-acc.on { border-color: var(--blue); background: var(--blue-soft); }
.demo-acc b { display: block; font-size: 13px; }
.demo-acc span { color: var(--muted); font-size: 11px; }

.server-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.server-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow);
}
.server-card h3 { margin: 0 0 4px; font-size: 16px; }
.server-card .ip { color: var(--muted); font-size: 13px; margin-bottom: 12px; }
.server-card .row { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-top: 12px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  background: #f2f4f7; color: #344054; border-radius: 999px;
  padding: 2px 8px; font-size: 12px; font-weight: 600;
}
.check-list { display: grid; gap: 8px; max-height: 180px; overflow: auto; }
.check-list label {
  display: flex; gap: 8px; align-items: center; font-weight: 500;
  padding: 6px 8px; border: 1px solid var(--border); border-radius: 8px;
}
.modal.wide { width: min(640px, 100%); }
.user-cell { display: flex; align-items: center; gap: 10px; }
.avatar.sm { width: 32px; height: 32px; font-size: 12px; }

@media (max-width: 1100px) {
  .kpis, .scan-opts, .server-cards, .demo-accounts { grid-template-columns: 1fr; }
  .grid-2, .grid-3, .modules { grid-template-columns: 1fr; }
  .login-wrap { grid-template-columns: 1fr; }
  .login-brand { display: none; }
}
@media (max-width: 800px) {
  .sidebar { display: none; }
  .kpis { grid-template-columns: 1fr 1fr; }
}