:root {
    --lia-primary: #1a365d;
    --lia-primary-light: #2c5282;
    --lia-secondary: #4a6fa5;
    --lia-accent: #6b8cce;
    --lia-surface: #0f172a;
    --lia-surface-light: #1e293b;
    --lia-surface-card: rgba(30, 41, 59, 0.8);
    --lia-text: #e2e8f0;
    --lia-text-muted: #94a3b8;
    --lia-border: rgba(100, 116, 139, 0.2);
    --lia-glow: rgba(74, 111, 165, 0.3);
    --lia-success: #10b981;
    --lia-warning: #f59e0b;
    --lia-error: #ef4444;
    --lia-gradient: linear-gradient(135deg, #1a365d 0%, #2c5282 50%, #4a6fa5 100%);
    --lia-gradient-subtle: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
}

* {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background: var(--lia-gradient-subtle);
    color: var(--lia-text);
    min-height: 100vh;
}

.lia-bg-pattern {
    background-image: 
        radial-gradient(ellipse at 20% 20%, rgba(74, 111, 165, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(26, 54, 93, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(44, 82, 130, 0.1) 0%, transparent 60%);
}

.glass-card {
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--lia-border);
    border-radius: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
    background: rgba(30, 41, 59, 0.85);
    border-color: rgba(100, 116, 139, 0.4);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.glass-nav {
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--lia-border);
}

.glass-sidebar {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--lia-border);
}

.lia-btn-primary {
    background: var(--lia-gradient);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 12px 24px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.lia-btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.2s;
}

.lia-btn-primary:hover::before {
    opacity: 1;
}

.lia-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(74, 111, 165, 0.4);
}

.lia-btn-secondary {
    background: transparent;
    color: var(--lia-text);
    border: 1px solid var(--lia-border);
    border-radius: 12px;
    padding: 12px 24px;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.2s ease;
    cursor: pointer;
}

.lia-btn-secondary:hover {
    background: rgba(74, 111, 165, 0.1);
    border-color: var(--lia-secondary);
}

.lia-input {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid var(--lia-border);
    border-radius: 12px;
    padding: 14px 18px;
    font-size: 15px;
    color: var(--lia-text);
    transition: all 0.2s ease;
    width: 100%;
}

.lia-input:focus {
    outline: none;
    border-color: var(--lia-secondary);
    box-shadow: 0 0 0 4px rgba(74, 111, 165, 0.15);
    background: rgba(30, 41, 59, 0.8);
}

.lia-input::placeholder {
    color: var(--lia-text-muted);
}

.chat-bubble-user {
    background: linear-gradient(135deg, var(--lia-primary) 0%, var(--lia-primary-light) 100%);
    color: white;
    border-radius: 20px 20px 4px 20px;
    padding: 16px 20px;
    max-width: 75%;
    margin-left: auto;
    box-shadow: 0 4px 15px rgba(26, 54, 93, 0.3);
}

.chat-bubble-lia {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid var(--lia-border);
    color: var(--lia-text);
    border-radius: 20px 20px 20px 4px;
    padding: 16px 20px;
    max-width: 78%;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.chat-bubble-lia code {
    background: rgba(0, 0, 0, 0.4);
    color: #a5d6ff;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

.chat-bubble-lia pre {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 8px;
    padding: 12px;
    overflow-x: auto;
    margin: 8px 0;
}

.stat-card {
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.4) 0%, rgba(44, 82, 130, 0.3) 100%);
    border: 1px solid var(--lia-border);
    border-radius: 16px;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(74, 111, 165, 0.2) 0%, transparent 70%);
    pointer-events: none;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    background: var(--lia-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-item {
    color: var(--lia-text-muted);
    padding: 12px 16px;
    border-radius: 10px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.nav-item:hover {
    background: rgba(74, 111, 165, 0.15);
    color: var(--lia-text);
}

.nav-item.active {
    background: rgba(74, 111, 165, 0.25);
    color: white;
    border-left: 3px solid var(--lia-secondary);
}

.led-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.led-green {
    background: var(--lia-success);
    box-shadow: 0 0 8px var(--lia-success);
}

.led-red {
    background: var(--lia-error);
    box-shadow: 0 0 8px var(--lia-error);
}

.led-amber {
    background: var(--lia-warning);
    box-shadow: 0 0 8px var(--lia-warning);
}

.led-blue {
    background: var(--lia-secondary);
    box-shadow: 0 0 8px var(--lia-secondary);
}

.led-gray {
    background: #475569;
}

.pricing-card {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid var(--lia-border);
    border-radius: 24px;
    padding: 32px;
    transition: all 0.3s ease;
}

.pricing-card.featured {
    background: var(--lia-gradient);
    border: none;
    transform: scale(1.05);
    box-shadow: 0 25px 50px rgba(26, 54, 93, 0.5);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.lia-logo-text {
    background: var(--lia-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.glow-ring {
    position: relative;
}

.glow-ring::after {
    content: '';
    position: absolute;
    inset: -2px;
    background: var(--lia-gradient);
    border-radius: inherit;
    z-index: -1;
    opacity: 0.5;
    filter: blur(8px);
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

.animate-glow {
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.animate-float {
    animation: float 4s ease-in-out infinite;
}

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

.animate-slide-up {
    animation: slide-up 0.5s ease-out;
}

.scrollbar-thin::-webkit-scrollbar {
    width: 6px;
}

.scrollbar-thin::-webkit-scrollbar-track {
    background: transparent;
}

.scrollbar-thin::-webkit-scrollbar-thumb {
    background: rgba(74, 111, 165, 0.3);
    border-radius: 3px;
}

.scrollbar-thin::-webkit-scrollbar-thumb:hover {
    background: rgba(74, 111, 165, 0.5);
}

.gradient-border {
    position: relative;
    background: var(--lia-surface-card);
    border-radius: 16px;
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 1px;
    background: var(--lia-gradient);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(74, 111, 165, 0.3) 0%, rgba(26, 54, 93, 0.3) 100%);
    border: 1px solid rgba(74, 111, 165, 0.2);
}

.text-gradient {
    background: var(--lia-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}