:root {
  --bg: #1b2236;
  --bg-2: #212a42;
  --panel: #283150;
  --panel-2: #2f395c;
  --border: #3a456a;
  --text: #eaf0fb;
  --muted: #a3aec7;
  --muted-2: #7c87a6;
  --brand: #3b82f6;
  --brand-2: #60a5fa;
  --info: #60a5fa;
  --ok: #34d399;
  --warn: #fbbf24;
  --bad: #f87171;
  --pill-data: #6b3aa0;
  --pill-role: #2b5d44;
  --pill-role-text: #6fe3a1;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

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

/* Sidebar */
.sidebar {
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 18px 0 12px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px 14px;
  border-bottom: 1px solid var(--border);
}
.sidebar-title {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--muted);
  font-weight: 700;
}
.sidebar-collapse {
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 18px;
  cursor: pointer;
  line-height: 1;
}
.nav {
  display: flex;
  flex-direction: column;
  padding: 10px 10px;
  gap: 2px;
  flex: 1;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.nav-item:hover { background: var(--panel); color: var(--text); }
.nav-item.active {
  background: rgba(47,123,255,0.12);
  color: var(--brand-2);
}
.nav-icon { display: inline-flex; }
.sidebar-footer {
  font-size: 11px;
  color: var(--muted-2);
  padding: 10px 20px 0;
  border-top: 1px solid var(--border);
}

/* Collapsible group (Setup) */
.nav-group {
  margin-top: auto;
  display: flex;
  flex-direction: column;
}
.nav-toggle {
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s;
}
.nav-toggle:hover { background: var(--panel); color: var(--text); }
.nav-group.expanded .nav-toggle {
  background: rgba(47,123,255,0.12);
  color: var(--brand-2);
}
.nav-chevron {
  margin-left: auto;
  display: inline-flex;
  transition: transform 0.2s ease;
}
.nav-group.expanded .nav-chevron { transform: rotate(180deg); }
.nav-sub {
  display: none;
  flex-direction: column;
  padding: 4px 0 8px;
  gap: 1px;
}
.nav-group.expanded .nav-sub { display: flex; }
.nav-sub-item {
  display: block;
  padding: 8px 12px 8px 42px;
  font-size: 13px;
  color: var(--muted);
  border-radius: 6px;
  cursor: pointer;
}
.nav-sub-item:hover { background: var(--panel); color: var(--text); }
.nav-sub-item.active { color: var(--brand-2); background: rgba(47,123,255,0.08); }

.app.collapsed .nav-sub,
.app.collapsed .nav-chevron { display: none; }
.app.collapsed .nav-toggle { justify-content: center; padding: 10px; }

/* Main */
.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Topbar */
.topbar {
  background: var(--brand);
  color: white;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.topbar-toggle {
  background: transparent;
  border: none;
  color: white;
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  display: inline-flex;
}
.topbar-toggle:hover { background: rgba(255,255,255,0.12); }
.topbar-brand {
  font-size: 20px;
  font-weight: 600;
  margin: 0;
}
.topbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 14px;
}
.user { font-size: 13px; opacity: 0.95; }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.pill-data { background: var(--pill-data); color: #e7d7ff; }
.pill-role { background: var(--pill-role); color: var(--pill-role-text); }
.icon-btn {
  background: transparent;
  border: none;
  color: white;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  display: inline-flex;
}
.icon-btn:hover { background: rgba(255,255,255,0.12); }

/* Views */
.view {
  display: none;
  padding: 28px 28px 40px;
  flex: 1;
}
.view.active { display: block; }

.view-head { margin-bottom: 22px; }
.view-head h2 {
  margin: 0 0 4px;
  font-size: 26px;
  font-weight: 600;
}
.muted { color: var(--muted); }

/* Stat cards */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}
.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
}
.stat-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 1px;
  font-weight: 600;
  margin-bottom: 8px;
}
.stat-value {
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-foot {
  font-size: 12px;
  color: var(--muted);
}
.ok { color: var(--ok); }
.warn { color: var(--warn); }
.bad { color: var(--bad); }
.muted-foot { color: var(--muted); }

/* Panel */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 20px;
  overflow: hidden;
}
.panel-head {
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}
.panel-head h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.link { color: var(--brand-2); font-size: 13px; }
.link:hover { color: var(--text); }

/* Table */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.table th, .table td {
  text-align: left;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
}
.table tr:last-child td { border-bottom: none; }
.table th {
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--muted);
  font-weight: 600;
  background: var(--panel-2);
}
.table tbody tr:hover { background: rgba(47,123,255,0.05); }
.src { display: inline-flex; align-items: center; gap: 8px; }

/* Tags */
.tag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3px;
  background: var(--panel-2);
  color: var(--muted);
  text-transform: lowercase;
}
.tag-ok { background: rgba(52,211,153,0.15); color: var(--ok); }
.tag-warn { background: rgba(251,191,36,0.18); color: var(--warn); }
.tag-bad { background: rgba(248,113,113,0.18); color: var(--bad); }
.tag-info { background: rgba(96,165,250,0.18); color: var(--info); }
.tag-role-super { background: rgba(248,113,113,0.18); color: var(--bad); }
.tag-role-tech { background: rgba(96,165,250,0.18); color: var(--info); }
.tag-role-mgmt   { background: rgba(52,211,153,0.15); color: var(--ok); }
.tag-role-client { background: rgba(167,139,250,0.20); color: #a78bfa; }

/* IP chip with unban button */
.ip-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 4px 3px 9px;
  background: rgba(248,113,113,0.16);
  color: var(--bad);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  margin: 2px 4px 2px 0;
}
.ip-unban {
  background: rgba(248,113,113,0.28);
  border: none;
  color: var(--bad);
  width: 18px;
  height: 18px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.12s, color 0.12s;
}
.ip-unban:hover { background: var(--bad); color: white; }
.ip-unban:disabled { opacity: 0.5; cursor: wait; }

/* Login screen */
.login-screen {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 28px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}
.login-brand {
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--brand-2);
  font-weight: 700;
  margin-bottom: 18px;
  text-transform: uppercase;
}
.login-title {
  margin: 0 0 4px;
  font-size: 24px;
  font-weight: 600;
}
.login-sub { margin: 0 0 22px; font-size: 13px; }
.login-label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
  font-weight: 500;
}
.login-input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  font: inherit;
  outline: none;
  margin-bottom: 14px;
  transition: border-color 0.15s, background 0.15s;
}
.login-input:focus {
  border-color: var(--brand-2);
  background: var(--panel-2);
}
.login-btn { width: 100%; padding: 11px 18px; margin-top: 4px; }
.login-btn:disabled { opacity: 0.6; cursor: wait; }
.login-error {
  color: var(--bad);
  font-size: 13px;
  min-height: 18px;
  margin-bottom: 8px;
}

/* Users form gets a 5-col grid when password is included */
.form-users   { grid-template-columns: 1.2fr 1.4fr 1.4fr 0.9fr auto; }
.form-pw      { grid-template-columns: 1fr 1fr 1fr auto; }
.form-clients { grid-template-columns: repeat(3, 1fr); }
.form-clients button[type="submit"] {
  grid-column: 1 / -1;
  justify-self: end;
  padding: 9px 22px;
}
@media (max-width: 720px) {
  .form-users, .form-pw, .form-clients { grid-template-columns: 1fr; }
  .form-clients button[type="submit"] { justify-self: stretch; }
}

/* Per-row icon actions */
.row-actions {
  display: inline-flex;
  gap: 2px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 3px;
}
.icon-action {
  background: transparent;
  border: none;
  padding: 6px 9px;
  border-radius: 5px;
  cursor: pointer;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.12s, color 0.12s;
}
.icon-action:hover { background: var(--panel-2); color: var(--text); }
.icon-action.icon-key:hover   { background: rgba(96,165,250,0.18); color: var(--info); }
.icon-action.icon-trash       { color: var(--bad); }
.icon-action.icon-trash:hover { background: rgba(248,113,113,0.18); color: var(--bad); }

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(8, 12, 22, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1100;
  padding: 24px;
  backdrop-filter: blur(4px);
}
.modal-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px 24px 18px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.45);
}
.modal-title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 14px;
}
.reset-pw-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
}

/* 2FA shield inline marker */
.shield {
  display: inline-flex;
  vertical-align: -3px;
  margin-left: 6px;
  color: var(--muted-2);
}
.shield.on { color: var(--ok); }
.shield[title] { cursor: help; }

/* Action tag colours */
.tag-evt-ok   { background: rgba(52,211,153,0.15); color: var(--ok); }
.tag-evt-bad  { background: rgba(248,113,113,0.18); color: var(--bad); }
.tag-evt-warn { background: rgba(251,191,36,0.18); color: var(--warn); }
.tag-evt-info { background: rgba(96,165,250,0.18); color: var(--info); }
.tag-evt-mute { background: var(--panel-2); color: var(--muted); }

/* Network site cards */
.network-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}
.site-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.08s;
}
.site-card:hover { border-color: var(--brand-2); }
.site-card:active { transform: translateY(1px); }
.site-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-weight: 600;
  font-size: 15px;
}
.site-card-status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.site-card-status.online  { background: var(--ok); }
.site-card-status.offline { background: var(--bad); }
.site-card-meta {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}
.site-card-error {
  font-size: 12px;
  color: var(--bad);
  margin-top: 6px;
}
.site-card-skeleton {
  height: 60px;
  background: linear-gradient(90deg, var(--panel) 0%, var(--panel-2) 50%, var(--panel) 100%);
  background-size: 200% 100%;
  border-radius: 6px;
  animation: shimmer 1.4s infinite linear;
}

/* Client dashboard view */
.network-dashboard {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.branch-hero {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px 24px;
  position: relative;
}
.branch-hero-status {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  box-shadow: 0 0 8px currentColor;
}
.branch-hero-status.online  { background: var(--ok);  color: var(--ok); }
.branch-hero-status.offline { background: var(--bad); color: var(--bad); }
.branch-hero-name {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: 0.3px;
}
.branch-hero-sub {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
}
.branch-hero-meta {
  font-size: 13px;
  color: var(--muted-2);
  font-family: ui-monospace, Consolas, monospace;
}

/* Device pills inside the device-breakdown table */
.device-pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 500;
  margin: 2px 4px 2px 0;
  background: var(--panel-2);
  color: var(--muted);
}
.device-pill.ok  { color: var(--ok); }
.device-pill.bad { color: var(--bad); }

/* Internet performance panel */
.internet-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: var(--border);
  padding: 1px;
}
.internet-stat {
  background: var(--panel);
  padding: 14px 18px;
}
.internet-stat-label {
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 6px;
}
.internet-stat-value {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 4px;
}
.internet-stat-sub {
  font-size: 11px;
  color: var(--muted-2);
}
.sparkline-wrap { padding: 14px 18px 18px; }
.sparkline-caption {
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 8px;
}
.sparkline {
  width: 100%;
  height: 90px;
  display: block;
  background: var(--bg);
  border-radius: 6px;
}
.sparkline-legend {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
}
.legend-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 5px;
  vertical-align: middle;
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Connections multi-select for Client users */
.conn-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: -8px 0 12px;
  max-height: 160px;
  overflow-y: auto;
}
.conn-picker label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--panel-2);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
}
.conn-picker label:has(input:checked) {
  background: rgba(96,165,250,0.18);
  color: var(--info);
}
.conn-picker input { margin: 0; }

/* Site detail modal */
.site-detail-card {
  max-width: 880px;
  width: 100%;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  padding-top: 22px;
  position: relative;
}
.site-modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 6px;
}
.site-modal-close:hover { color: var(--text); background: var(--panel-2); }
.site-detail-head { margin-bottom: 16px; padding-right: 30px; }
.site-detail-tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}
.site-detail-tab {
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 8px 14px;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.site-detail-tab:hover { color: var(--text); }
.site-detail-tab.active {
  color: var(--brand-2);
  border-bottom-color: var(--brand-2);
}
.site-detail-body {
  overflow-y: auto;
  flex: 1;
  min-height: 200px;
}
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}
.detail-item {
  background: var(--bg);
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.detail-item-label {
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--muted);
  margin-bottom: 6px;
  font-weight: 600;
}
.detail-item-value {
  font-size: 15px;
  font-weight: 500;
  word-break: break-word;
}

/* Forms */
.form {
  display: grid;
  grid-template-columns: 1.4fr 1.6fr 1fr auto;
  gap: 12px;
  padding: 16px 18px;
}
.form input, .form select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 12px;
  border-radius: 8px;
  font: inherit;
  outline: none;
  transition: border-color 0.15s, background 0.15s;
}
.form input:focus, .form select:focus {
  border-color: var(--brand-2);
  background: var(--panel-2);
}
.form input::placeholder { color: var(--muted-2); }
.btn {
  background: var(--brand);
  color: white;
  border: none;
  padding: 9px 18px;
  border-radius: 8px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.btn:hover { background: var(--brand-2); }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 5px 10px;
  border-radius: 6px;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}
.btn-ghost:hover { color: var(--bad); border-color: var(--bad); }

@media (max-width: 720px) {
  .form { grid-template-columns: 1fr; }
}

/* Activity list */
.activity {
  list-style: none;
  margin: 0;
  padding: 8px 0;
}
.activity li {
  padding: 10px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
}
.activity li:last-child { border-bottom: none; }
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
  flex-shrink: 0;
}
.dot.ok { background: var(--ok); }
.dot.warn { background: var(--warn); }
.dot.bad { background: var(--bad); }

/* Collapsed sidebar */
.app.collapsed { grid-template-columns: 64px 1fr; }
.app.collapsed .nav-label,
.app.collapsed .sidebar-title,
.app.collapsed .sidebar-footer { display: none; }
.app.collapsed .sidebar-header { justify-content: center; padding: 0 0 14px; }
.app.collapsed .nav-item { justify-content: center; padding: 10px; }

/* Responsive */
@media (max-width: 800px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .topbar-right .user { display: none; }
}