/* Global SaaS Design System Variables */
:root {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --accent: #0f172a;
    --accent-hover: #000000;
    --accent-light: #f1f5f9;
    
    --success: #16a34a;
    --success-light: #f0fdf4;
    --success-border: #bbf7d0;
    
    --error: #dc2626;
    --error-light: #fef2f2;
    --error-border: #fca5a5;

    --warning: #d97706;
    --warning-light: #fffbeb;
    --warning-border: #fde68a;
    
    --border-color: #e2e8f0;
    --border-color-light: #f1f5f9;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset and Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.app-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 40px 24px;
}

@media (max-width: 768px) {
    .app-container {
        padding: 24px 16px;
    }
}

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

a:hover {
    color: var(--accent-hover);
}

/* Common Layout Elements */
.header-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    gap: 16px;
}

.header-title h1 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.025em;
    line-height: 1.2;
}

.header-title p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
}

@media (max-width: 768px) {
    .header-section {
        flex-direction: column;
        align-items: flex-start;
    }
    .header-title h1 {
        font-size: 24px;
    }
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

@media (max-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}