:root {
    /* Premium Palette */
    --bg-primary: #09090b;
    --bg-secondary: #0e0e11;
    --bg-tertiary: #16161a;
    
    --border-color: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #52525b;
    
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.15);
    --danger: #ef4444;
    
    /* Effects */
    --glass: rgba(255, 255, 255, 0.03);
    --glass-heavy: rgba(255, 255, 255, 0.08);
    --shadow-md: 0 12px 30px -10px rgba(0, 0, 0, 0.5);
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 48px;
    
    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: 0.2s var(--ease-out);
    --transition-slow: 0.5s var(--ease-out);
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow: hidden;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
    font-family: inherit;
    transition: var(--transition-fast);
}

input {
    background: none;
    border: none;
    color: inherit;
    font-family: inherit;
}

input:focus {
    outline: none;
}

#app {
    height: 100vh;
    width: 100vw;
    display: flex;
    overflow: hidden;
}

.layout-dashboard {
    display: flex;
    height: 100vh;
    width: 100vw;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-primary);
    overflow: hidden;
    position: relative;
}

.content-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

.text-accent { color: var(--accent); }
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }