:root {
    --primary-glow: #00d4ff;
    --secondary-glow: #ff0080;
    --accent-glow: #00ff88;
    --dark-bg: #0a0a0f;
    --card-bg: rgba(16, 18, 27, 0.8);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

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

body {
    background: var(--dark-bg);
    color: var(--text-primary);
    font-family: 'Segoe UI', 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.1) 0%, transparent 50%);
    z-index: -1;
    animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(180deg); }
}

.navbar-glass {
    background: rgba(16, 18, 27, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--card-border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.navbar-brand::after {
    content: '';
    position: absolute;
    bottom: -5px; left: 0;
    width: 100%; height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.navbar-brand:hover::after { transform: scaleX(1); }

.card-glass {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card-glass::before {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s ease;
}

.card-glass:hover::before { left: 100%; }

.card-glass:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.05);
}

.card-header-glass {
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid var(--card-border);
    padding: 1.5rem;
}

.header-user-info { display: flex; align-items: center; gap: 12px; }

.header-user-avatar {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--gradient-primary);
    display: flex; align-items: center; justify-content: center;
    font-weight: 600; font-size: 1rem; color: white;
}

.header-user-name { font-weight: 600; font-size: 0.95rem; }
.header-user-role { font-size: 0.8rem; color: var(--text-secondary); }

.btn-neon {
    background: var(--gradient-primary);
    border: none; border-radius: 12px; padding: 10px 24px;
    font-weight: 600; color: white;
    position: relative; overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102,126,234,0.4);
}

.btn-neon::before {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn-neon:hover::before { left: 100%; }

.btn-neon:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102,126,234,0.6);
    color: white;
}

.btn-neon:active { transform: translateY(0); }

.btn-neon-secondary {
    background: var(--gradient-secondary);
    border: none; border-radius: 12px; padding: 10px 24px;
    font-weight: 600; color: white;
    position: relative; overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(245,87,108,0.4);
}

.btn-neon-secondary::before {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn-neon-secondary:hover::before { left: 100%; }

.btn-neon-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245,87,108,0.6);
    color: white;
}

.btn-neon-accent {
    background: var(--gradient-accent);
    border: none; border-radius: 12px; padding: 10px 24px;
    font-weight: 600; color: white;
    position: relative; overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(79,172,254,0.4);
}

.btn-neon-accent::before {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn-neon-accent:hover::before { left: 100%; }

.btn-neon-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79,172,254,0.6);
    color: white;
}

.btn-glass {
    background: rgba(255,255,255,0.1);
    border: 1px solid var(--card-border);
    border-radius: 12px; padding: 10px 24px;
    font-weight: 600; color: var(--text-primary);
    transition: all 0.3s ease;
}

.btn-glass:hover {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.2);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.avatar-glow {
    width: 45px; height: 45px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 600; font-size: 1.1rem;
    background: var(--gradient-primary); color: white;
    box-shadow: 0 4px 15px rgba(102,126,234,0.4);
    transition: all 0.3s ease;
}

.avatar-glow:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(102,126,234,0.6);
}

.stats-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 4px;
    background: var(--gradient-primary);
}

.stats-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.stats-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.input-glass {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    color: var(--text-primary);
    padding: 12px 16px;
    transition: all 0.3s ease;
}

.input-glass:focus {
    background: rgba(255,255,255,0.1);
    border-color: var(--primary-glow);
    box-shadow: 0 0 0 3px rgba(102,126,234,0.1);
    color: var(--text-primary);
}

.badge-glow {
    background: var(--gradient-secondary);
    border-radius: 10px;
    font-weight: 600;
    padding: 6px 12px;
    box-shadow: 0 2px 10px rgba(245,87,108,0.4);
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: rgba(255,255,255,0.05); border-radius: 4px; }
::-webkit-scrollbar-thumb { background: var(--gradient-primary); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gradient-secondary); }

@media (max-width: 768px) {
    .chat-container { height: 400px; }
    .message-bubble { max-width: 85%; }
    .stats-number { font-size: 2rem; }
}

.loading-spinner {
    width: 40px; height: 40px;
    border: 3px solid rgba(255,255,255,0.1);
    border-top: 3px solid var(--primary-glow);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.notification-glow {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1rem;
    margin: 0.5rem 0;
    animation: slideInRight 0.3s ease;
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}