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

body {
    font-family: var(--font-body);
    color: var(--color-text-main);
    background-color: var(--mesh-3);
    background-image: 
        radial-gradient(at 0% 0%, var(--mesh-1) 0px, transparent 50%),
        radial-gradient(at 100% 0%, var(--mesh-2) 0px, transparent 50%),
        radial-gradient(at 100% 100%, var(--mesh-3) 0px, transparent 50%),
        radial-gradient(at 0% 100%, var(--mesh-4) 0px, transparent 50%);
    background-size: 100% 100%;
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-black);
    font-weight: 600;
    line-height: 1.2;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

/* Layout */
#app-container {
    max-width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

.dashboard-layout {
    max-width: 1200px;
}

/* Utilities */
.text-center { text-align: center; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-4 { margin-top: var(--spacing-md); }
.mt-6 { margin-top: var(--spacing-lg); }
.mt-8 { margin-top: var(--spacing-xl); }
.mb-4 { margin-bottom: var(--spacing-md); }
.mb-6 { margin-bottom: var(--spacing-lg); }
.mb-8 { margin-bottom: var(--spacing-xl); }

.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: var(--spacing-sm); }
.gap-4 { gap: var(--spacing-md); }

/* Loading State */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    color: var(--color-text-muted);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-up {
    animation: fadeUp 0.4s ease-out forwards;
}

/* Base card animation (apply fade up everywhere) */
.card {
    animation: fadeUp 0.4s ease-out forwards;
}

/* Responsive Grids */
.grid-cols-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-md); }
.grid-cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-md); }
.grid-cols-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-md); }
.grid-sidebar { display: grid; grid-template-columns: 2fr 1fr; gap: var(--spacing-lg); }
.grid-sidebar-right { display: grid; grid-template-columns: 1fr 2fr; gap: var(--spacing-lg); }

/* Responsive */
@media (max-width: 768px) {
    .main-content {
        padding: var(--spacing-md);
    }
    
    .grid-cols-2, 
    .grid-cols-3, 
    .grid-cols-4, 
    .grid-sidebar,
    .grid-sidebar-right {
        grid-template-columns: 1fr;
    }
    
    .flex-mobile-col {
        flex-direction: column !important;
        align-items: stretch !important;
    }
    
    .flex-mobile-col > * {
        width: 100% !important;
    }
}