:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #22263a;
  --border: #2e3352;
  --accent: #4f6ef7;
  --accent-hover: #3d5ce8;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --text: #e2e8f0;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* Login */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 60% 40%, #1a2040 0%, #0f1117 70%);
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 48px 40px;
  width: 380px;
  box-shadow: var(--shadow);
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.5px;
}

.login-logo p {
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 4px;
}

/* Layout */
.app-layout {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

.sidebar {
  width: 220px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo h2 {
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
}

.sidebar-logo span {
  font-size: 11px;
  color: var(--text-muted);
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: all 0.15s;
  cursor: pointer;
}

.nav-item:hover { background: var(--surface2); color: var(--text); }
.nav-item.active { background: rgba(79,110,247,0.12); color: var(--accent); border-left-color: var(--accent); }
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.user-avatar {
  width: 32px; height: 32px;
  background: var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700;
  flex-shrink: 0;
}

.user-name { font-size: 13px; font-weight: 600; }
.user-role { font-size: 11px; color: var(--text-muted); }

.btn-logout {
  width: 100%;
  padding: 8px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-logout:hover { border-color: var(--danger); color: var(--danger); }

/* Main content */
.main-content {
  flex: 1;
  overflow-y: auto;
  padding: 28px 32px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
}

.page-title span {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 8px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 7px;
  border: none;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-danger { background: rgba(239,68,68,0.15); color: var(--danger); border: 1px solid rgba(239,68,68,0.3); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-success { background: rgba(34,197,94,0.15); color: var(--success); border: 1px solid rgba(34,197,94,0.3); }
.btn-warning { background: rgba(245,158,11,0.15); color: var(--warning); border: 1px solid rgba(245,158,11,0.3); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-icon { padding: 7px; border-radius: 7px; background: var(--surface2); border: 1px solid var(--border); color: var(--text-dim); cursor: pointer; transition: all 0.15s; }
.btn-icon:hover { color: var(--text); background: var(--border); }
.btn-icon svg { width: 15px; height: 15px; display: block; }

/* Stats bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.stat-card .stat-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
}

.stat-card.online .stat-value { color: var(--success); }
.stat-card.offline .stat-value { color: var(--danger); }
.stat-card.total .stat-value { color: var(--accent); }

/* Filter bar */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  align-items: center;
}

.filter-bar input, .filter-bar select {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 8px 12px;
  color: var(--text);
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s;
}

.filter-bar input { flex: 1; min-width: 200px; }
.filter-bar input::placeholder { color: var(--text-muted); }
.filter-bar input:focus, .filter-bar select:focus { border-color: var(--accent); }
.filter-bar select option { background: var(--surface2); }

/* Device Grid */
.device-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

@media (max-width: 1100px) { .device-grid { grid-template-columns: 1fr; } }

.device-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: border-color 0.15s;
}

.device-card:hover { border-color: #3d4570; }
.device-card.offline { opacity: 0.7; }

.device-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}

.device-name {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.badge-online { background: rgba(34,197,94,0.15); color: var(--success); }
.badge-offline { background: rgba(239,68,68,0.12); color: var(--danger); }
.badge-area { background: rgba(79,110,247,0.12); color: #7b97fa; }
.badge-location { background: rgba(245,158,11,0.12); color: var(--warning); }
.badge-android { background: rgba(100,116,139,0.15); color: var(--text-dim); }

.device-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.device-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 16px;
  margin-bottom: 14px;
  font-size: 12px;
}

.device-info-item .label { color: var(--text-muted); margin-bottom: 2px; }
.device-info-item .value { color: var(--text); font-weight: 500; }

.device-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* Forms */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 9px 12px;
  color: var(--text);
  font-size: 13.5px;
  outline: none;
  transition: border-color 0.15s;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--accent);
}

.form-group textarea { resize: vertical; min-height: 80px; }
.form-group select option { background: var(--surface2); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
}

.checkbox-item input[type=checkbox] {
  width: 16px; height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}

/* Modal */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  padding: 20px;
  opacity: 0; pointer-events: none; transition: opacity 0.2s;
}

.modal-overlay.active { opacity: 1; pointer-events: all; }

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
  transform: scale(0.96); transition: transform 0.2s;
}

.modal-overlay.active .modal { transform: scale(1); }

.modal-header {
  padding: 20px 24px 0;
  display: flex; align-items: center; justify-content: space-between;
}

.modal-header h3 { font-size: 17px; font-weight: 700; }
.modal-close { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 20px; line-height: 1; }
.modal-close:hover { color: var(--text); }

.modal-body { padding: 20px 24px; }
.modal-footer { padding: 0 24px 20px; display: flex; gap: 10px; justify-content: flex-end; }

/* Table */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  text-align: left;
  padding: 10px 14px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 12px 14px;
  font-size: 13px;
  border-bottom: 1px solid rgba(46,51,82,0.5);
  vertical-align: middle;
}

tr:hover td { background: rgba(255,255,255,0.02); }

/* Terminal */
.terminal-wrap {
  background: #0a0c12;
  border-radius: 8px;
  border: 1px solid var(--border);
  overflow: hidden;
  height: 400px;
  display: flex;
  flex-direction: column;
}

.terminal-output {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  font-size: 13px;
  line-height: 1.6;
  color: #c8d3e8;
  white-space: pre-wrap;
  word-break: break-all;
}

.terminal-input-row {
  display: flex;
  align-items: center;
  border-top: 1px solid var(--border);
  padding: 8px 12px;
  gap: 8px;
}

.terminal-prompt { color: var(--success); font-family: monospace; font-size: 13px; }

.terminal-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text);
  font-family: 'Cascadia Code', 'Fira Code', monospace;
  font-size: 13px;
  outline: none;
}

/* Scrcpy / remote screen */
.scrcpy-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 500px;
  background: #000;
  border-radius: 10px;
  position: relative;
  overflow: hidden;
}

.scrcpy-canvas {
  max-width: 100%;
  max-height: 80vh;
  cursor: crosshair;
  display: block;
}

.scrcpy-status {
  color: var(--text-muted);
  font-size: 14px;
  text-align: center;
  padding: 20px;
}

/* Alerts */
.alert {
  padding: 10px 16px;
  border-radius: 7px;
  font-size: 13px;
  margin-bottom: 14px;
}

.alert-error { background: rgba(239,68,68,0.12); border: 1px solid rgba(239,68,68,0.3); color: #fca5a5; }
.alert-success { background: rgba(34,197,94,0.12); border: 1px solid rgba(34,197,94,0.3); color: #86efac; }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.tab-btn {
  padding: 8px 16px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all 0.15s;
}
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-btn:hover:not(.active) { color: var(--text); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Permissions grid */
.perm-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.perm-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 7px;
  cursor: pointer;
  transition: all 0.15s;
  font-size: 12.5px;
}

.perm-item:hover { border-color: var(--accent); }
.perm-item.selected { background: rgba(79,110,247,0.15); border-color: var(--accent); color: var(--accent); }
.perm-item input { accent-color: var(--accent); }

/* Settings card */
.settings-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}

.settings-card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

/* Spinner */
.spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(79,110,247,0.3);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state h3 { font-size: 16px; margin-bottom: 6px; color: var(--text-dim); }
.empty-state p { font-size: 13px; }

/* Toast */
.toast-container {
  position: fixed; bottom: 24px; right: 24px;
  display: flex; flex-direction: column; gap: 8px;
  z-index: 9999;
}

.toast {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 13px;
  box-shadow: var(--shadow);
  animation: slideUp 0.2s ease;
  max-width: 300px;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--accent); }

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Confirm dialog */
.confirm-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 1100;
  opacity: 0; pointer-events: none; transition: opacity 0.15s;
}
.confirm-overlay.active { opacity: 1; pointer-events: all; }
.confirm-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  max-width: 360px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow);
}
.confirm-box h3 { font-size: 16px; margin-bottom: 8px; }
.confirm-box p { font-size: 13px; color: var(--text-muted); margin-bottom: 20px; }
.confirm-actions { display: flex; gap: 10px; justify-content: center; }

/* Fullscreen remote overlay */
.remote-fullscreen-overlay {
  position: fixed; inset: 0;
  background: #000;
  display: flex;
  flex-direction: column;
  z-index: 2000;
}

.remote-fullscreen-bar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.remote-fullscreen-body {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #111;
  padding: 16px;
  overflow: hidden;
}

/* Areas & Locations layout */
.areas-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 900px) { .areas-layout { grid-template-columns: 1fr; } }

.areas-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 460px;
}

.panel-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-title {
  font-size: 14px;
  font-weight: 600;
}

.panel-add {
  display: flex;
  gap: 8px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
}

.panel-add-input {
  flex: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 7px 12px;
  color: var(--text);
  font-size: 13px;
  outline: none;
}

.panel-add-input:focus { border-color: var(--accent); }
.panel-add-input::placeholder { color: var(--text-muted); }

.panel-list {
  flex: 1;
  overflow-y: auto;
}

.panel-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  border-bottom: 1px solid rgba(46,51,82,0.5);
  cursor: pointer;
  transition: background 0.12s;
}

.panel-item:hover { background: rgba(255,255,255,0.03); }
.panel-item.selected { background: rgba(79,110,247,0.1); border-left: 3px solid var(--accent); }

.panel-item-name {
  font-size: 13.5px;
  font-weight: 500;
}

/* xterm.js container */
#xterm-container .xterm {
  padding: 8px;
}
#xterm-container .xterm-viewport {
  border-radius: 8px;
}