@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap");

:root {
  --bg: #f4f6f8;
  --sidebar: #ffffff;
  --panel: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #0f766e;
  --accent-soft: #ccfbf1;
  --online: #059669;
  --online-bg: #d1fae5;
  --offline: #6b7280;
  --offline-bg: #f3f4f6;
  --warn: #b45309;
  --warn-bg: #fef3c7;
  --danger: #b91c1c;
  --radius: 12px;
  --font: "IBM Plex Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 8px 24px rgba(16, 24, 40, 0.04);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
}

.app-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--sidebar);
  border-right: 1px solid var(--line);
  padding: 1.1rem 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar-brand {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  padding: 0.35rem 0.45rem;
}
.sidebar-brand strong { display: block; font-size: 1.05rem; }
.sidebar-brand small { color: var(--muted); }

.brand-mark {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #5eead4, var(--accent));
  flex: 0 0 auto;
}

.sidebar-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 0 0.55rem 0.35rem;
}

.side-link {
  display: block;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  margin-bottom: 0.15rem;
}
.side-link:hover { background: #f3f4f6; }
.side-link.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.sidebar-foot {
  margin-top: auto;
  display: grid;
  gap: 0.5rem;
  padding: 0.5rem;
  border-top: 1px solid var(--line);
}
.user-chip {
  font-size: 0.9rem;
  color: var(--muted);
}
.user-menu summary {
  cursor: pointer;
  list-style: none;
}
.user-menu summary::-webkit-details-marker { display: none; }
.user-menu-panel {
  display: grid;
  gap: 0.25rem;
  margin-top: 0.45rem;
  padding: 0.45rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fafafa;
}
.user-menu-panel a {
  color: var(--text);
  text-decoration: none;
  padding: 0.4rem 0.5rem;
  border-radius: 6px;
  font-size: 0.92rem;
}
.user-menu-panel a:hover { background: #f3f4f6; }
.flash {
  padding: 0.7rem 0.9rem;
  border-radius: 10px;
  margin-bottom: 1rem;
}
.flash.ok { background: var(--online-bg); color: var(--online); }
.flash.error { background: #fee2e2; color: var(--danger); }

.content {
  padding: 1.4rem 1.6rem 2.5rem;
  max-width: 1200px;
}

.auth-shell { display: grid; place-items: center; min-height: 100vh; }
.auth-content { width: min(420px, calc(100% - 2rem)); }

.page-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1rem;
}
.page-head h1 { margin: 0.15rem 0 0.55rem; font-size: 1.7rem; }
.lede { color: var(--muted); margin: 0; }
.eyebrow { margin: 0; }
.eyebrow a { color: var(--accent); text-decoration: none; }

.status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
}

.pill, .badge, .tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  border-radius: 999px;
  padding: 0.28rem 0.65rem;
  font-size: 0.82rem;
  border: 1px solid var(--line);
  background: #fff;
}
.muted-pill { color: var(--muted); }
.badge.online { background: var(--online-bg); color: var(--online); border-color: transparent; font-weight: 600; }
.badge.offline { background: var(--offline-bg); color: var(--offline); border-color: transparent; font-weight: 600; }
.tag { background: #f8fafc; color: var(--muted); }

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 0.9rem;
  align-items: center;
}
.search {
  flex: 1 1 220px;
  min-width: 180px;
}

input, select, textarea, button {
  font: inherit;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  padding: 0.55rem 0.7rem;
}
textarea { resize: vertical; }
.btn, button.btn {
  background: var(--accent);
  color: #fff;
  border: 0;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.05); }
.btn.secondary { background: #fff; color: var(--text); border: 1px solid var(--line); }
.btn.ghost, button.ghost {
  background: transparent;
  color: var(--muted);
  border: 0;
  cursor: pointer;
  padding: 0.35rem 0.5rem;
}
.btn.danger { background: var(--danger); color: #fff; }
.btn:disabled, button:disabled { opacity: 0.55; cursor: not-allowed; }

.scan-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #fff !important;
  color: var(--text) !important;
  border: 1px solid var(--line) !important;
  border-radius: 999px;
  padding: 0.65rem 1.1rem;
  box-shadow: var(--shadow);
}
.scan-btn:hover { background: #f9fafb !important; }
.scan-icon {
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--accent);
  border-radius: 50%;
  border-right-color: transparent;
  display: inline-block;
}
.scan-form { margin: 0; }

.context-pill select {
  border-radius: 999px;
  background: var(--warn-bg);
  border-color: #f59e0b;
  color: var(--warn);
  font-weight: 600;
}

.col-check { width: 2.2rem; }
.fing-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
}
.secondary-foot { border-top: 0; padding-top: 0; margin-top: -0.25rem; }
.foot-left, .foot-right {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
}
.foot-action {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.columns-menu summary { list-style: none; }
.columns-menu summary::-webkit-details-marker { display: none; }
.columns-panel {
  position: absolute;
  z-index: 5;
  margin-top: 0.35rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.45rem;
  display: grid;
  gap: 0.25rem;
  min-width: 10rem;
  box-shadow: var(--shadow);
}
.columns-panel a {
  color: var(--text);
  text-decoration: none;
  padding: 0.35rem 0.45rem;
  border-radius: 6px;
}
.columns-panel a:hover { background: #f3f4f6; }
.columns-menu { position: relative; }
.page-btn {
  display: inline-flex;
  width: 2rem;
  height: 2rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-decoration: none;
  color: var(--text);
  background: #fff;
}
.page-btn.is-disabled { opacity: 0.35; pointer-events: none; }

.flash {
  padding: 0.7rem 0.9rem;
  border-radius: 10px;
  margin: 0 0 1rem;
}
.flash.ok { background: var(--online-bg); color: #065f46; }
.flash.error { background: #fee2e2; color: var(--danger); }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
  margin-bottom: 1rem;
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
}
.panel-head h2, .panel h2, .panel h3 { margin: 0 0 0.7rem; }
.panel-head a { color: var(--accent); text-decoration: none; font-size: 0.92rem; }

.table-panel { padding: 0; overflow: hidden; }
.table-wrap { overflow-x: auto; }
.devices-table { width: 100%; border-collapse: collapse; }
.devices-table th, .devices-table td {
  text-align: left;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
.devices-table th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  background: #fafafa;
}
.name-link { color: var(--text); font-weight: 600; text-decoration: none; }
.name-link:hover { color: var(--accent); }
.sub { color: var(--muted); font-size: 0.78rem; margin-top: 0.15rem; }
.mono { font-family: var(--mono); font-size: 0.86rem; }
.wrap { word-break: break-all; }
.table-foot {
  padding: 0.75rem 1rem;
  color: var(--muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--line);
}

.type-cell { display: flex; align-items: center; gap: 0.55rem; }
.type-icon {
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 8px;
  background: #e5e7eb;
  position: relative;
  flex: 0 0 auto;
}
.type-icon::before {
  content: "";
  position: absolute;
  inset: 0.35rem;
  border-radius: 3px;
  background: #6b7280;
}
.type-router { background: #dbeafe; }
.type-router::before { background: #2563eb; clip-path: polygon(20% 70%, 50% 20%, 80% 70%, 65% 70%, 65% 85%, 35% 85%, 35% 70%); }
.type-network_appliance { background: #e0e7ff; }
.type-network_appliance::before { background: #4f46e5; border-radius: 2px; inset: 0.4rem 0.3rem; }
.type-mobile { background: #fce7f3; }
.type-mobile::before { background: #db2777; inset: 0.28rem 0.5rem; border-radius: 4px; }
.type-tablet { background: #fae8ff; }
.type-tablet::before { background: #a21caf; inset: 0.35rem 0.28rem; border-radius: 4px; }
.type-laptop { background: #ecfdf5; }
.type-laptop::before { background: #059669; inset: 0.45rem 0.25rem 0.3rem; border-radius: 2px; }
.type-desktop { background: #f1f5f9; }
.type-desktop::before { background: #334155; inset: 0.35rem; }
.type-nas { background: #ffedd5; }
.type-nas::before { background: #ea580c; inset: 0.3rem; border-radius: 2px; }
.type-tv { background: #eef2ff; }
.type-tv::before { background: #4338ca; inset: 0.45rem 0.25rem; }
.type-printer { background: #fef3c7; }
.type-printer::before { background: #d97706; }
.type-speaker { background: #fce7f3; }
.type-speaker::before { background: #be185d; border-radius: 50%; inset: 0.4rem; }
.type-camera { background: #fee2e2; }
.type-camera::before { background: #dc2626; border-radius: 50%; inset: 0.42rem; }
.type-gaming { background: #ede9fe; }
.type-gaming::before { background: #7c3aed; }
.type-smart_home { background: #ccfbf1; }
.type-smart_home::before { background: #0f766e; border-radius: 50%; inset: 0.4rem; }
.type-generic { background: #f3f4f6; }

.grid.two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
  margin-bottom: 1rem;
}
.stat-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}
.stat-card strong { font-size: 1.6rem; display: block; margin-top: 0.25rem; }
.stat-label { color: var(--muted); font-size: 0.85rem; }

.compact-list, .timeline { list-style: none; margin: 0; padding: 0; }
.compact-list li {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
}
.compact-list li > div { display: grid; gap: 0.1rem; flex: 1; }
.compact-list small { color: var(--muted); }
.compact-list a { color: var(--text); text-decoration: none; font-weight: 600; }

.timeline li {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 0.6rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
}
.timeline.dense li { align-items: start; }

.stack { display: grid; gap: 0.7rem; }
.stack.compact { margin-top: 1rem; }
label { display: grid; gap: 0.3rem; color: var(--muted); font-size: 0.92rem; }
label.check { display: flex; align-items: center; gap: 0.45rem; color: var(--text); }
.kv { display: grid; grid-template-columns: 8rem 1fr; gap: 0.45rem 0.8rem; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

.login-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem;
  box-shadow: var(--shadow);
}
.error { color: var(--danger); }
.empty { color: var(--muted); }
.warn-box { border-color: #f59e0b; background: var(--warn-bg); }
.inline-form { display: inline; }
.row-actions {
  display: flex;
  gap: 0.45rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

@media (max-width: 960px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: relative;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .grid.two, .stat-grid { grid-template-columns: 1fr 1fr; }
  .timeline li { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .stat-grid { grid-template-columns: 1fr; }
  .content { padding: 1rem; }
}