@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Color Palette & Tokens (Google/Meta Engineering Space) */
  --bg-primary: #060911;
  --bg-secondary: #0b101d;
  --surface-input: #101624;
  --glass-bg: rgba(16, 23, 36, 0.75);
  --glass-border: rgba(255, 255, 255, 0.085);
  --glass-border-hover: rgba(37, 211, 102, 0.35);
  --card-inner-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  
  --accent-color: #25d366;
  --accent-hover: #1da851;
  --info-color: #06b6d4;
  --warning-color: #f59e0b;
  --danger-color: #f43f5e;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Bootstrap 5 Variable Overrides for Cohesion */
  --bs-body-bg: var(--bg-primary);
  --bs-body-color: var(--text-primary);
  --bs-card-bg: var(--glass-bg);
  --bs-border-color: var(--glass-border);
  --bs-dark: #101624;
  --bs-dark-rgb: 16, 22, 36;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 0),
    radial-gradient(circle at 15% 20%, rgba(37, 211, 102, 0.1) 0%, transparent 42%),
    radial-gradient(circle at 85% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 45%);
  background-size: 26px 26px, 100% 100%, 100% 100%;
  background-attachment: fixed;
}

/* Glass Header */
.glass-header {
  background: rgba(10, 14, 20, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  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);
  border: 1px solid rgba(37, 211, 102, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.15);
}

.navbar-brand, .brand-text {
  color: #ffffff !important;
  font-family: 'Outfit', sans-serif;
  letter-spacing: -0.01em;
  text-decoration: none !important;
}

.navbar-brand:hover .brand-text {
  color: var(--accent-color) !important;
  transition: color 0.2s ease;
}

/* Glass Cards */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border) !important;
  border-radius: 1.15rem;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45), var(--card-inner-highlight);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.16) !important;
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.card-glow {
  position: absolute;
  top: -60px;
  right: -60px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(37, 211, 102, 0.18) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

/* Status Badge & Dot */
.status-badge {
  background: rgba(255, 255, 255, 0.035);
  border-color: var(--glass-border) !important;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.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(250, 204, 21, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(250, 204, 21, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(250, 204, 21, 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 30px rgba(37, 211, 102, 0.25);
  min-height: 230px;
  min-width: 230px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #ffffff !important;
}

.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, 0.12);
  border: 2px solid rgba(37, 211, 102, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.15);
  position: relative;
}
.connected-avatar::before {
  content: '\f007';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 2.2rem;
  color: #475569;
  position: absolute;
  z-index: 1;
}
.connected-avatar img {
  position: relative;
  z-index: 2;
}

.disconnected-avatar {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.35);
  box-shadow: 0 8px 25px rgba(239, 68, 68, 0.15);
}

/* Custom Pills / Tabs (Universal Google/Meta Enterprise Style) */
.custom-pills .nav-link, .nav-pills .nav-link {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.035) !important;
  border: 1px solid var(--glass-border) !important;
  font-weight: 500;
  border-radius: 0.75rem !important;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1) !important;
  padding: 0.55rem 1.25rem !important;
}

.custom-pills .nav-link:hover, .nav-pills .nav-link:hover {
  color: var(--text-primary) !important;
  background: rgba(255, 255, 255, 0.07) !important;
  border-color: rgba(255, 255, 255, 0.16) !important;
  transform: translateY(-2px);
}

.custom-pills .nav-link.active, .nav-pills .nav-link.active, #check-tab.active, #group-tab.active {
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.24) 0%, rgba(6, 182, 212, 0.12) 100%) !important;
  color: #ffffff !important;
  font-weight: 600 !important;
  border-color: rgba(37, 211, 102, 0.5) !important;
  box-shadow: 0 4px 18px rgba(37, 211, 102, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.18) !important;
}
.custom-pills .nav-link.active i, .nav-pills .nav-link.active i {
  color: #25d366 !important;
  filter: drop-shadow(0 0 6px rgba(37, 211, 102, 0.6));
}

/* Form Controls, Inputs & Dropdowns */
.form-control, .form-select {
  background-color: var(--surface-input) !important;
  border: 1px solid rgba(255, 255, 255, 0.12) !important;
  color: var(--text-primary) !important;
  border-radius: 0.75rem !important;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.35);
}

.form-control::placeholder {
  color: var(--text-muted) !important;
  opacity: 1;
}

/* File Upload Button Styling (Google/Meta Standard) */
.form-control[type="file"]::file-selector-button,
.form-control[type="file"]::-webkit-file-upload-button {
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.22) 0%, rgba(6, 182, 212, 0.1) 100%) !important;
  color: #f8fafc !important;
  border: 1px solid rgba(37, 211, 102, 0.4) !important;
  border-radius: 0.55rem !important;
  padding: 0.4rem 0.95rem !important;
  margin-right: 0.85rem !important;
  font-weight: 600 !important;
  font-size: 0.82rem !important;
  transition: all 0.2s ease !important;
  cursor: pointer !important;
}
.form-control[type="file"]::file-selector-button:hover,
.form-control[type="file"]::-webkit-file-upload-button:hover {
  background: rgba(37, 211, 102, 0.38) !important;
  color: #fff !important;
}

.form-control:focus, .form-select:focus {
  background-color: #131b2e !important;
  border-color: var(--accent-color) !important;
  color: #ffffff !important;
  box-shadow: 0 0 0 4px rgba(37, 211, 102, 0.22), inset 0 1px 2px rgba(0, 0, 0, 0.3) !important;
}

.form-select option {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  padding: 8px;
}

.input-group-text {
  background-color: rgba(10, 14, 20, 0.65) !important;
  border: 1px solid rgba(255, 255, 255, 0.12) !important;
  color: var(--text-secondary) !important;
}

/* General Dark Surfaces (.bg-dark override for consistency) */
.bg-dark {
  background-color: rgba(16, 23, 36, 0.85) !important;
}

/* cURL / Code Example Box */
#curlExampleBox, #spaCurlExampleBox, .admin-code-box {
  background-color: #05080e !important;
  border: 1px solid rgba(255, 255, 255, 0.12) !important;
  border-radius: 0.85rem !important;
  padding: 1.35rem !important;
  font-family: 'JetBrains Mono', monospace !important;
  color: #4ade80 !important;
  box-shadow: inset 0 3px 12px rgba(0, 0, 0, 0.6);
}

/* Silicon Valley Dark Glass Alerts & Status Banners (Vercel / Meta Style) */
.alert, .alert-success, .alert-info, .alert-warning, .alert-danger {
  background: rgba(14, 22, 34, 0.88) !important;
  backdrop-filter: blur(16px) !important;
  -webkit-backdrop-filter: blur(16px) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  color: #f8fafc !important;
  border-radius: 1.1rem !important;
  padding: 1.35rem 1.65rem !important;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.12) !important;
  --bs-alert-bg: rgba(14, 22, 34, 0.88) !important;
  --bs-alert-color: #f8fafc !important;
  --bs-alert-border-color: rgba(255, 255, 255, 0.1) !important;
}

.alert-success, .status-card-success {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.18) 0%, rgba(6, 182, 212, 0.06) 100%) !important;
  border: 1px solid rgba(16, 185, 129, 0.45) !important;
  color: #ecfdf5 !important;
  --bs-alert-bg: rgba(16, 185, 129, 0.18) !important;
  --bs-alert-color: #ecfdf5 !important;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.18) !important;
}
.alert-success strong, .status-card-success strong {
  color: #ffffff !important;
}

/* Bootstrap Badges / Subtle / Emphasis Overrides in Dark Mode */
.bg-success-subtle, .badge.bg-success.bg-opacity-25 {
  background: rgba(16, 185, 129, 0.16) !important;
  border: 1px solid rgba(16, 185, 129, 0.45) !important;
  color: #34d399 !important;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.15) !important;
  --bs-bg-opacity: 1 !important;
}

/* Table Dark Harmonization */
.table-dark {
  --bs-table-bg: rgba(10, 14, 20, 0.5) !important;
  --bs-table-striped-bg: rgba(19, 26, 36, 0.65) !important;
  --bs-table-hover-bg: rgba(37, 211, 102, 0.08) !important;
  --bs-table-border-color: rgba(255, 255, 255, 0.08) !important;
  color: var(--text-primary) !important;
}

.table-dark th {
  background-color: rgba(10, 14, 20, 0.85) !important;
  color: var(--text-secondary);
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14) !important;
}

/* Buttons */
.btn-success {
  background: linear-gradient(135deg, #25d366 0%, #1da851 100%) !important;
  border: 1px solid rgba(255, 255, 255, 0.2) !important;
  color: #000000 !important;
  font-weight: 700;
  border-radius: 0.75rem;
  padding: 0.65rem 1.4rem;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.btn-success:hover, .btn-success:focus, .btn-success:active {
  background: linear-gradient(135deg, #2ae06d 0%, #22be5c 100%) !important;
  border-color: rgba(255, 255, 255, 0.35) !important;
  color: #000000 !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.6) !important;
}
.btn-success:active {
  transform: scale(0.98);
}

.btn-info {
  background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%) !important;
  border: 1px solid rgba(255, 255, 255, 0.2) !important;
  color: #ffffff !important;
  font-weight: 700;
  border-radius: 0.75rem;
  padding: 0.65rem 1.4rem;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-info:hover {
  background: linear-gradient(135deg, #08c5e6 0%, #0a9fc4 100%) !important;
  border-color: rgba(255, 255, 255, 0.35) !important;
  color: #ffffff !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.45) !important;
}
.btn-info:active {
  transform: scale(0.98);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(37, 211, 102, 0.65);
}