:root {
  --bg-primary: #090c15;
  --bg-secondary: #0f1523;
  --bg-card: rgba(18, 26, 43, 0.75);
  --bg-card-hover: rgba(26, 37, 61, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.65);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 242, 254, 0.3);
  
  --accent-cyan: #00f2fe;
  --accent-blue: #4facfe;
  --accent-emerald: #10b981;
  --accent-gold: #f59e0b;
  --accent-purple: #8b5cf6;
  --accent-rose: #f43f5e;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --grad-cyan-blue: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  --grad-emerald: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --grad-gold: linear-gradient(135deg, #fbbf24 0%, #d97706 100%);
  --grad-card: linear-gradient(180deg, rgba(30, 41, 59, 0.4) 0%, rgba(15, 23, 42, 0.6) 100%);
  --grad-hero: radial-gradient(circle at 50% 0%, rgba(0, 242, 254, 0.15) 0%, rgba(9, 12, 21, 0) 70%);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 25px rgba(0, 242, 254, 0.2);
  --shadow-gold: 0 0 25px rgba(245, 158, 11, 0.25);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  background-image: var(--grad-hero);
  background-attachment: fixed;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  border: none;
  outline: none;
  font-family: inherit;
}

input, select, textarea {
  font-family: inherit;
  color: var(--text-main);
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 14px;
  outline: none;
  transition: var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(0, 242, 254, 0.2);
}

/* Layout App Container */
#app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 40;
  transition: var(--transition-smooth);
}

.sidebar-header {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-glass);
}

.brand-logo-badge {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--grad-cyan-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  color: #090c15;
  box-shadow: var(--shadow-glow);
}

.brand-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff 40%, #00f2fe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sidebar-nav {
  padding: 20px 12px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition-fast);
}

.nav-item:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}

.nav-item.active {
  color: #ffffff;
  background: linear-gradient(90deg, rgba(0, 242, 254, 0.15) 0%, rgba(79, 172, 254, 0.05) 100%);
  border-left: 3px solid var(--accent-cyan);
  font-weight: 600;
}

.nav-item svg {
  width: 18px;
  height: 18px;
}

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

.user-quick-profile {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #8b5cf6, #ec4899);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
}

.user-meta-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
}

.user-meta-role {
  font-size: 11px;
  color: var(--accent-emerald);
}

/* Main Content Area */
.main-wrapper {
  margin-left: 260px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  height: 70px;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-glass);
  background: rgba(9, 12, 21, 0.8);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 30;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.page-heading {
  font-size: 18px;
  font-weight: 700;
}

.token-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.25);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-cyan);
}

.token-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.content-container {
  padding: 32px;
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

/* Glass Cards */
.card-glass {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 24px;
  backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.card-glass:hover {
  border-color: rgba(255, 255, 255, 0.14);
}

.card-glow-cyan {
  border-color: rgba(0, 242, 254, 0.3);
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.08);
}

.card-glow-gold {
  border-color: rgba(245, 158, 11, 0.3);
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.08);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition-fast);
}

.btn-primary {
  background: var(--grad-cyan-blue);
  color: #090c15;
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 242, 254, 0.45);
}

.btn-emerald {
  background: var(--grad-emerald);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-emerald:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
}

.btn-gold {
  background: var(--grad-gold);
  color: #090c15;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-gold:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-glass);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
  border-radius: var(--radius-md);
}

/* Grid Utilities */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

@media (max-width: 1024px) {
  .sidebar { width: 80px; }
  .sidebar-header .brand-title, .sidebar-header .brand-subtitle, .nav-item span, .sidebar-footer .user-meta-name, .sidebar-footer .user-meta-role { display: none; }
  .main-wrapper { margin-left: 80px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(1, 1fr); }
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); width: 260px; }
  .sidebar.open { transform: translateX(0); }
  .main-wrapper { margin-left: 0; }
  .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .topbar { padding: 0 16px; }
  .content-container { padding: 16px; }
}