:root {
  --bg-primary: #0a0e14;
  --bg-secondary: #131a24;
  --glass-bg: rgba(19, 26, 36, 0.75);
  --glass-border: rgba(255, 255, 255, 0.08);
  --accent-color: #25d366;
  --accent-hover: #1fba59;
  --text-primary: #f0f4f8;
  --text-secondary: #94a3b8;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(37, 211, 102, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(37, 211, 102, 0.05) 0%, transparent 40%);
}

/* Glass Header */
.glass-header {
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1050;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(37, 211, 102, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Glass Cards */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border) !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  transition: all 0.3s ease;
}

.card-glow {
  position: absolute;
  top: -50px;
  right: -50px;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(37, 211, 102, 0.15) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

/* Status Badge & Dot */
.status-badge {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--glass-border) !important;
  font-size: 0.85rem;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.pulsing {
  animation: pulse-dot 1.8s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 193, 7, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(255, 193, 7, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 193, 7, 0); }
}

.status-dot.bg-success.pulsing {
  animation: pulse-dot-success 1.8s infinite;
}

@keyframes pulse-dot-success {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(37, 211, 102, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* QR Frame & Scan Line */
.qr-frame {
  box-shadow: 0 0 25px rgba(37, 211, 102, 0.2);
  min-height: 230px;
  min-width: 230px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.qr-scan-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(to right, transparent, var(--accent-color), transparent);
  animation: scan-loop 2.5s ease-in-out infinite;
}

@keyframes scan-loop {
  0% { top: 5%; opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { top: 95%; opacity: 0; }
}

/* Connected / Disconnected Avatars */
.connected-avatar, .disconnected-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(37, 211, 102, 0.1);
  border: 2px solid rgba(37, 211, 102, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.disconnected-avatar {
  background: rgba(220, 53, 69, 0.1);
  border-color: rgba(220, 53, 69, 0.3);
}

/* Custom Pills / Tabs */
.custom-pills .nav-link {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  transition: all 0.2s ease;
}

.custom-pills .nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.custom-pills .nav-link.active {
  background: var(--accent-color);
  color: #000 !important;
  font-weight: 600;
  border-color: var(--accent-color);
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.35);
}

/* Buttons & Inputs */
.btn-success {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color: #000;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-success:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #000;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.form-control:focus, .form-select:focus {
  background-color: var(--bg-secondary) !important;
  border-color: var(--accent-color) !important;
  color: var(--text-primary) !important;
  box-shadow: 0 0 0 0.25rem rgba(37, 211, 102, 0.25) !important;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(37, 211, 102, 0.5);
}