/* ═══════════════════════════════════════════════════════════
   GPS Tracker Application — Styles
   Dark professional theme
═══════════════════════════════════════════════════════════ */

/* ── Reset & base ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-dark:       #0d1117;
  --bg-panel:      #161b22;
  --bg-card:       #1c2128;
  --bg-hover:      #21262d;
  --border:        #30363d;
  --text-primary:  #e6edf3;
  --text-secondary:#8b949e;
  --text-muted:    #484f58;
  --accent:        #238636;
  --accent-hover:  #2ea043;
  --blue:          #1f6feb;
  --blue-light:    #388bfd;
  --orange:        #d29922;
  --red:           #da3633;
  --green:         #3fb950;
  --purple:        #8b5cf6;
  --sidebar-width: 320px;
  --radius:        8px;
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  overflow: hidden;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
  font: inherit;
}

select, input[type="text"] {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: 6px;
  padding: 0.35rem 0.6rem;
  font-size: 0.8rem;
  outline: none;
}

select:focus, input[type="text"]:focus {
  border-color: var(--blue);
}

.hidden { display: none !important; }

/* ── Layout ─────────────────────────────────────────────── */
body { display: flex; height: 100vh; }

#sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#map-container {
  flex: 1;
  position: relative;
  overflow: hidden;
}

#map {
  width: 100%;
  height: 100%;
}

/* ── Sidebar header ─────────────────────────────────────── */
#sidebar-header {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

#logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

#logo i { color: var(--blue-light); font-size: 1.2rem; }

/* ── Connection status badge ────────────────────────────── */
.status-badge {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  border: 1px solid currentColor;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.status-badge.connected    { color: var(--green); }
.status-badge.disconnected { color: var(--text-muted); }
.status-badge.connecting   { color: var(--orange); }

.status-badge.connected .dot    { animation: pulse 1.5s infinite; }
.status-badge.connecting .dot   { animation: blink 0.8s infinite; }

@keyframes pulse {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.4; }
}
@keyframes blink {
  0%,100% { opacity: 1; }
  50%      { opacity: 0; }
}

/* ── Section title ──────────────────────────────────────── */
.section-title {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  padding: 0.6rem 1rem;
}

.section-title i { color: var(--blue-light); }

.section-title button {
  margin-left: auto;
  padding: 0.2rem 0.4rem;
  font-size: 0.7rem;
  color: var(--text-secondary);
  border-radius: 4px;
  transition: background 0.15s, color 0.15s;
}
.section-title button:hover { background: var(--bg-hover); color: var(--text-primary); }

/* ── Device list ────────────────────────────────────────── */
#device-list-section {
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
}

#device-list { max-height: 180px; overflow-y: auto; }

.empty-state {
  padding: 1rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.device-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  cursor: pointer;
  transition: background 0.1s;
  border-left: 3px solid transparent;
}
.device-item:hover   { background: var(--bg-hover); }
.device-item.active  {
  background: var(--bg-hover);
  border-left-color: var(--blue-light);
}

.device-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.device-dot.online  { background: var(--green); box-shadow: 0 0 6px var(--green); }
.device-dot.offline { background: var(--text-muted); }

.device-info { flex: 1; min-width: 0; }
.device-name { font-size: 0.85rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.device-imei { font-size: 0.68rem; color: var(--text-secondary); font-family: monospace; }

.device-speed {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--blue-light);
  white-space: nowrap;
}

/* ── Info panel ─────────────────────────────────────────── */
#info-panel {
  flex: 1;
  overflow-y: auto;
  padding-bottom: 1rem;
}

/* ── Status badges ──────────────────────────────────────── */
#status-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0 1rem 0.5rem;
}

.badge {
  font-size: 0.63rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.55rem;
  border-radius: 20px;
  border: 1px solid;
}

.badge-green  { color: var(--green);  border-color: var(--green);  background: rgba(63,185,80,.1); }
.badge-grey   { color: var(--text-muted); border-color: var(--text-muted); background: transparent; }
.badge-orange { color: var(--orange); border-color: var(--orange); background: rgba(210,153,34,.1); }
.badge-red    { color: var(--red);    border-color: var(--red);    background: rgba(218,54,51,.15); animation: flash 0.5s alternate infinite; }
.badge-blue   { color: var(--blue-light); border-color: var(--blue-light); background: rgba(56,139,253,.1); }

@keyframes flash {
  from { opacity: 1; }
  to   { opacity: 0.5; }
}

/* ── Stat grid ──────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.65rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.stat-icon {
  font-size: 1.1rem;
  color: var(--blue-light);
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.stat-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.65rem;
  color: var(--text-secondary);
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── Coordinates ────────────────────────────────────────── */
.coord-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  padding: 0 1rem 0.5rem;
}

.coord-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem;
}

.coord-label {
  display: block;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  margin-bottom: 2px;
}

.coord-value {
  font-size: 0.8rem;
  font-weight: 600;
  font-family: monospace;
  color: var(--text-primary);
}

/* ── Cell info ──────────────────────────────────────────── */
.cell-section { padding: 0 1rem; }

/* ── Track controls ─────────────────────────────────────── */
.track-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  flex-wrap: wrap;
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
  cursor: pointer;
  flex: 1;
}

.toggle-label input[type="checkbox"] { accent-color: var(--blue-light); }

/* ── Events log ─────────────────────────────────────────── */
#events-log {
  margin: 0 1rem;
  max-height: 200px;
  overflow-y: auto;
}

.event-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
}
.event-item:last-child { border-bottom: none; }

.event-icon { color: var(--orange); font-size: 0.75rem; margin-top: 1px; }
.event-icon.login { color: var(--blue-light); }
.event-icon.alarm { color: var(--red); }

.event-body { flex: 1; min-width: 0; }
.event-type { font-weight: 600; color: var(--text-primary); }
.event-time { color: var(--text-muted); font-size: 0.67rem; }

/* ── Map controls overlay ───────────────────────────────── */
#map-controls {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

#map-controls button {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}

#map-controls button:hover { background: var(--bg-hover); color: var(--text-primary); }
#map-controls button.active { background: var(--blue); color: #fff; border-color: var(--blue); }

/* ── Poll indicator ─────────────────────────────────────── */
#poll-indicator {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  z-index: 1000;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.3rem 0.75rem;
  font-size: 0.7rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
#poll-indicator i { color: var(--green); }

/* ── Modal ──────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-box {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  width: 320px;
}

.modal-box h3 { margin-bottom: 1rem; font-size: 1rem; }

.modal-box input { width: 100%; margin-bottom: 1rem; }

.modal-buttons {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}

.modal-buttons button {
  padding: 0.4rem 0.9rem;
  border-radius: 6px;
  font-size: 0.85rem;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-primary);
  transition: background 0.15s;
}

.modal-buttons button:hover { background: var(--bg-hover); }

.btn-primary {
  background: var(--accent) !important;
  border-color: var(--accent-hover) !important;
  color: #fff !important;
}
.btn-primary:hover { background: var(--accent-hover) !important; }

/* ── Leaflet popup overrides ────────────────────────────── */
.leaflet-popup-content-wrapper {
  background: var(--bg-panel) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border) !important;
  border-radius: 8px !important;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5) !important;
}
.leaflet-popup-tip { background: var(--bg-panel) !important; }
.leaflet-popup-content { font-size: 0.8rem; line-height: 1.6; }
.leaflet-popup-content b { color: var(--blue-light); }

/* ── Scrollbar styling ──────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Relay / engine control ─────────────────────────────── */
.relay-section {
  padding: 0 1rem 0.5rem;
}

.relay-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.relay-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 0.4rem;
  border-radius: var(--radius);
  border: 1px solid;
  font-size: 0.78rem;
  font-weight: 600;
  transition: background 0.15s, opacity 0.15s;
}

.relay-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.relay-btn-cut {
  color: var(--red);
  border-color: var(--red);
  background: rgba(218,54,51,.08);
}
.relay-btn-cut:hover:not(:disabled) { background: rgba(218,54,51,.2); }

.relay-btn-restore {
  color: var(--green);
  border-color: var(--green);
  background: rgba(63,185,80,.08);
}
.relay-btn-restore:hover:not(:disabled) { background: rgba(63,185,80,.2); }

.relay-status {
  margin-top: 0.35rem;
  font-size: 0.72rem;
  text-align: center;
  color: var(--text-secondary);
  min-height: 1rem;
}

/* ── Login overlay ──────────────────────────────────────── */
#login-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
}
#login-overlay.hidden { display: none; }

.login-box {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem 2.2rem;
  width: 340px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}
.login-logo i { color: var(--blue-light); font-size: 1.4rem; }

.login-box h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 1.25rem; }

.login-field { margin-bottom: 0.9rem; }
.login-field label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.3rem;
}
.login-field input, .login-field select {
  width: 100%;
  padding: 0.55rem 0.75rem;
  font-size: 0.9rem;
}

.form-error {
  font-size: 0.78rem;
  color: var(--red);
  min-height: 1.1rem;
  margin-bottom: 0.5rem;
}

.btn-full { width: 100%; padding: 0.65rem; font-size: 0.92rem; }
.btn-sm {
  padding: 0.25rem 0.7rem;
  font-size: 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  transition: background 0.15s;
}
.btn-sm:hover { background: var(--bg-hover); }
.btn-sm.btn-primary {
  background: var(--accent);
  border-color: var(--accent-hover);
  color: #fff;
}
.btn-sm.btn-primary:hover { background: var(--accent-hover); }

/* ── User info bar ─────────────────────────────────────── */
#user-info-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 1rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  flex-shrink: 0;
}
#user-info-bar i { color: var(--blue-light); }
#user-info-text { font-weight: 600; color: var(--text-primary); }

.role-badge {
  margin-left: auto;
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.15rem 0.45rem;
  border-radius: 10px;
  border: 1px solid;
}
.role-badge.global_admin { color: var(--purple);     border-color: var(--purple); }
.role-badge.sub_admin    { color: var(--blue-light);  border-color: var(--blue-light); }
.role-badge.user         { color: var(--text-muted);  border-color: var(--text-muted); }

/* ── Header right group ────────────────────────────────── */
.header-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.icon-btn {
  width: 28px; height: 28px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
  cursor: pointer;
}
.icon-btn:hover { background: var(--bg-hover); color: var(--text-primary); }

/* ── Admin panel ───────────────────────────────────────── */
.admin-box {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: min(860px, 96vw);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.6);
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.4rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.admin-header h3 { font-size: 1rem; font-weight: 700; gap: 0.5rem; display: flex; align-items: center; }
.admin-header h3 i { color: var(--blue-light); }
.admin-header button { font-size: 1.1rem; color: var(--text-secondary); }
.admin-header button:hover { color: var(--text-primary); }

.admin-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  flex: 1;
  overflow: hidden;
}

.admin-col {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  overflow: hidden;
}
.admin-col:last-child { border-right: none; }

.admin-col-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.admin-scroll { flex: 1; overflow-y: auto; }

.user-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 1rem;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}
.user-row:hover { background: var(--bg-hover); }
.user-row.selected { background: rgba(56,139,253,.1); border-left: 3px solid var(--blue-light); }
.user-row-info { flex: 1; min-width: 0; }
.user-row-name { font-size: 0.85rem; font-weight: 600; }
.user-row-meta { font-size: 0.68rem; color: var(--text-muted); font-family: monospace; }
.user-row-badge { font-size: 0.6rem; font-weight: 700; padding: 0.15rem 0.45rem; border-radius: 10px; border: 1px solid; flex-shrink: 0; }
.user-row-delete { color: var(--text-muted); font-size: 0.75rem; padding: 0.25rem; border-radius: 4px; }
.user-row-delete:hover { color: var(--red); background: rgba(218,54,51,.1); }

.device-assign-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.assign-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.assign-select {
  flex: 1;
  padding: 0.35rem 0.6rem;
  font-size: 0.8rem;
}

.assigned-device-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
}
.assigned-device-row i { color: var(--blue-light); font-size: 0.8rem; }
.assigned-device-name { flex: 1; font-weight: 600; }
.assigned-device-imei { font-size: 0.68rem; color: var(--text-muted); font-family: monospace; flex: 1; }
.assigned-device-remove { color: var(--text-muted); font-size: 0.75rem; padding: 0.2rem 0.4rem; border-radius: 4px; }
.assigned-device-remove:hover { color: var(--red); background: rgba(218,54,51,.1); }

.modal-info {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.5;
}

/* ── Responsive: collapse sidebar on small screens ───────── */
@media (max-width: 640px) {
  :root { --sidebar-width: 260px; }
  .admin-body { grid-template-columns: 1fr; }
}