/* ================================================================
   PAS Admin Dashboard — Styles
   Design: tight dark grid, amber accent, map-first layout.
   Signature: the map IS the UI — everything else annotates it.
================================================================ */

:root {
  --bg:       #090b0e;
  --surface:  #0f1216;
  --surface2: #161b22;
  --border:   #1c2128;
  --muted:    #272d38;
  --text:     #d8e0ec;
  --dim:      #566074;
  --accent:   #f0a500;
  --teal:     #00c896;
  --danger:   #e84b4b;
  --warn:     #f5a623;
  --info:     #4d9de0;
  --mono:     'JetBrains Mono', 'Fira Code', monospace;
  --sans:     'Inter', system-ui, sans-serif;
  --r:        5px;
  --sidebar:  320px;
  --topbar:   52px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.5;
  overflow: hidden;
}

/* ── Top bar ── */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--topbar);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 14px;
  z-index: 100;
}
.topbar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.logo-pip {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: pip 3s ease-in-out infinite;
}
@keyframes pip {
  0%,100% { opacity:1; }
  50%      { opacity:.3; }
}
.logo-name {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--accent);
  text-transform: uppercase;
}

.topbar-stats {
  display: flex;
  gap: 20px;
  margin-left: 8px;
}
.stat-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
}
.stat-pill .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot-online  { background: var(--teal); box-shadow: 0 0 5px var(--teal); }
.dot-alert   { background: var(--danger); box-shadow: 0 0 5px var(--danger); animation: pip .8s infinite; }
.dot-offline { background: var(--muted); }
.stat-pill .val { color: var(--text); font-weight: 600; }
.stat-pill .lbl { color: var(--dim); }

.topbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}
.connection-badge {
  font-family: var(--mono);
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.connection-badge.connected    { background: rgba(0,200,150,.12); color: var(--teal); }
.connection-badge.disconnected { background: rgba(100,100,100,.12); color: var(--dim); }
.connection-badge.error        { background: rgba(232,75,75,.12);  color: var(--danger); }

#lock-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--dim);
  border-radius: var(--r);
  padding: 5px 12px;
  font-size: 12px;
  cursor: pointer;
  font-family: var(--sans);
  transition: border-color .2s, color .2s;
}
#lock-btn:hover { border-color: var(--muted); color: var(--text); }

/* ── Layout ── */
.layout {
  position: fixed;
  top: var(--topbar);
  left: 0; right: 0; bottom: 0;
  display: flex;
}

/* ── Map ── */
#map {
  flex: 1;
  background: #0d1117;
}

/* Leaflet tile layer dark override */
.leaflet-tile { filter: brightness(.55) saturate(.4) hue-rotate(180deg); }
.leaflet-control-attribution { display: none !important; }
.leaflet-control-zoom a {
  background: var(--surface2) !important;
  color: var(--text) !important;
  border-color: var(--border) !important;
}

/* Custom device markers */
.device-marker {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  cursor: pointer;
  position: relative;
}
.device-marker.online   { border-color: var(--teal);   background: rgba(0,200,150,.15); }
.device-marker.offline  { border-color: var(--muted);  background: rgba(42,47,56,.6); }
.device-marker.alert    { border-color: var(--danger);  background: rgba(232,75,75,.2);
                           animation: markerAlert .7s ease-in-out infinite alternate; }
.device-marker::after {   /* pulse ring */
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid currentColor;
  opacity: 0;
}
.device-marker.online::after  { animation: ring 2.5s ease-out infinite; }
.device-marker.alert::after   { animation: ring .8s ease-out infinite; }
@keyframes ring {
  0%   { inset:-4px; opacity:.5; }
  100% { inset:-14px; opacity:0; }
}
@keyframes markerAlert {
  from { box-shadow: 0 0 0 0 rgba(232,75,75,0); }
  to   { box-shadow: 0 0 0 8px rgba(232,75,75,0); }
}

/* Map popup */
.leaflet-popup-content-wrapper {
  background: var(--surface2) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--r) !important;
  box-shadow: 0 4px 24px rgba(0,0,0,.5) !important;
  color: var(--text) !important;
}
.leaflet-popup-tip { background: var(--surface2) !important; }
.popup-name   { font-weight: 700; font-size: 13px; margin-bottom: 4px; }
.popup-status { font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }
.popup-status.online  { color: var(--teal); }
.popup-status.offline { color: var(--dim); }
.popup-status.alert   { color: var(--danger); }
.popup-last   { font-size: 11px; color: var(--dim); margin-top: 4px; }

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar);
  flex-shrink: 0;
  background: var(--surface);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Sidebar tabs */
.sidebar-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.tab-btn {
  flex: 1;
  padding: 12px 8px;
  background: none;
  border: none;
  color: var(--dim);
  font-size: 11px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: .1em;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
  position: relative;
}
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-btn .badge {
  position: absolute;
  top: 6px; right: 8px;
  background: var(--danger);
  color: #fff;
  font-size: 9px;
  min-width: 16px; height: 16px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 3px;
  display: none;
}
.tab-btn .badge.visible { display: flex; }

.sidebar-panel {
  display: none;
  flex-direction: column;
  overflow: hidden;
  flex: 1;
}
.sidebar-panel.active { display: flex; }

/* Panel header */
.panel-header {
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.panel-header h2 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -.01em;
}
.panel-header p { font-size: 11px; color: var(--dim); margin-top: 2px; }

/* Scrollable list area */
.panel-list {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
}
.panel-list::-webkit-scrollbar { width: 4px; }
.panel-list::-webkit-scrollbar-track { background: transparent; }
.panel-list::-webkit-scrollbar-thumb { background: var(--muted); border-radius: 2px; }

/* ── Alert items ── */
.alert-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 10px 12px;
  margin-bottom: 6px;
  border-left: 3px solid var(--border);
  transition: border-left-color .2s;
  animation: slideDown .2s ease;
}
@keyframes slideDown {
  from { opacity:0; transform:translateY(-8px); }
  to   { opacity:1; transform:translateY(0); }
}
.alert-card.sev-critical { border-left-color: var(--danger); }
.alert-card.sev-high     { border-left-color: var(--warn); }
.alert-card.sev-medium   { border-left-color: var(--accent); }
.alert-card.sev-low      { border-left-color: var(--teal); }
.alert-card.sev-info     { border-left-color: var(--info); }
.alert-card.acked        { opacity: .45; }

.alert-top {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}
.alert-type {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.alert-sev-tag {
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
  padding: 1px 5px;
  border-radius: 2px;
}
.sev-critical .alert-sev-tag { background: rgba(232,75,75,.15); color: var(--danger); }
.sev-high     .alert-sev-tag { background: rgba(245,166,35,.15); color: var(--warn); }
.sev-medium   .alert-sev-tag { background: rgba(240,165,0,.15);  color: var(--accent); }
.sev-low      .alert-sev-tag { background: rgba(0,200,150,.1);   color: var(--teal); }

.alert-time { font-size: 10px; color: var(--dim); margin-left: auto; font-family: var(--mono); }
.alert-msg  { font-size: 11px; color: var(--text); line-height: 1.5; margin-bottom: 6px; }
.alert-ack-btn {
  font-size: 10px;
  font-family: var(--mono);
  background: none;
  border: 1px solid var(--border);
  color: var(--dim);
  border-radius: 3px;
  padding: 2px 8px;
  cursor: pointer;
  transition: border-color .2s, color .2s;
}
.alert-ack-btn:hover { border-color: var(--teal); color: var(--teal); }

.empty-state {
  padding: 32px 16px;
  text-align: center;
  color: var(--dim);
  font-size: 12px;
  line-height: 1.8;
}

/* ── Device list items ── */
.device-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  margin-bottom: 6px;
  cursor: pointer;
  transition: border-color .2s;
}
.device-row:hover { border-color: var(--muted); }
.device-row-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.device-row-dot.online  { background: var(--teal); box-shadow: 0 0 6px var(--teal); }
.device-row-dot.offline { background: var(--muted); }
.device-row-dot.alert   { background: var(--danger); animation: pip .8s infinite; }
.device-row-info { flex: 1; min-width: 0; }
.device-row-name { font-weight: 600; font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.device-row-meta { font-size: 10px; color: var(--dim); font-family: var(--mono); }
.device-row-type {
  font-size: 9px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: .06em;
  background: var(--muted);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--dim);
  flex-shrink: 0;
}
.device-delete-btn {
  flex-shrink: 0;
  background: none;
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--dim);
  font-size: 11px;
  line-height: 1;
  padding: 3px 6px;
  cursor: pointer;
  opacity: 0;
  transition: opacity .15s, border-color .15s, color .15s;
}
.device-row:hover .device-delete-btn { opacity: 1; }
.device-delete-btn:hover {
  border-color: var(--danger);
  color: var(--danger);
}
.device-settings-btn {
  flex-shrink: 0;
  background: none;
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--dim);
  font-size: 12px;
  line-height: 1;
  padding: 3px 6px;
  cursor: pointer;
  opacity: 0;
  transition: opacity .15s, border-color .15s, color .15s;
}
.device-row:hover .device-settings-btn { opacity: 1; }
.device-settings-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Login overlay ── */
#login-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 32px;
}
.login-box {
  width: 100%;
  max-width: 360px;
}
.login-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 36px;
}
.login-logo .pip2 {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent);
}
.login-logo .wm {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--accent);
  text-transform: uppercase;
}
.login-box h1 { font-size: 22px; font-weight: 700; margin-bottom: 6px; letter-spacing: -.02em; }
.login-box p  { font-size: 13px; color: var(--dim); margin-bottom: 24px; }

.lfield { margin-bottom: 14px; }
.lfield label {
  display: block;
  font-size: 10px;
  font-family: var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 6px;
}
.lfield input, .lfield select {
  width: 100%;
  padding: 11px 13px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
  font-family: var(--sans);
}
.lfield input:focus, .lfield select:focus { border-color: var(--accent); }
.lfield select option { background: var(--surface); }

.login-btn {
  width: 100%;
  padding: 13px;
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: var(--r);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  margin-top: 4px;
  transition: opacity .2s;
}
.login-btn:disabled { opacity: .4; cursor: not-allowed; }
.login-error {
  font-size: 11px;
  color: var(--danger);
  margin-top: 8px;
  display: none;
}

/* ── Toast notifications ── */
#toast-container {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  pointer-events: none;
}
.toast {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 10px 16px;
  font-size: 12px;
  color: var(--text);
  white-space: nowrap;
  animation: toastIn .25s ease;
  pointer-events: auto;
  max-width: 320px;
}
.toast.danger { border-left: 3px solid var(--danger); }
.toast.ok     { border-left: 3px solid var(--teal); }
@keyframes toastIn {
  from { opacity:0; transform: translateY(10px); }
  to   { opacity:1; transform: translateY(0); }
}

/* ── Config panel ── */
.config-section { padding: 12px; border-bottom: 1px solid var(--border); }
.config-section h3 { font-size: 11px; font-family: var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--dim); margin-bottom: 10px; }
.config-row { margin-bottom: 10px; }
.config-row label { display: block; font-size: 11px; color: var(--dim); margin-bottom: 4px; }
.config-row input {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r);
  color: var(--text);
  font-size: 12px;
  font-family: var(--mono);
  outline: none;
}
.config-row input:focus { border-color: var(--accent); }
.config-save-btn {
  padding: 8px 16px;
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: var(--r);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  margin-top: 4px;
}