/* Base CSS - Reset, Variables, Typography */

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

:root {
    /* Colors */
    --color-primary: #2f9e44;
    --color-primary-dark: #2b8a3e;
    --color-success: #2f9e44;
    --color-success-light: #40c057;
    --color-danger: #dc2626;
    --color-warning: #92400e;
    --color-gray-50: #f8f9fa;
    --color-gray-100: #f1f3f5;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-400: #adb5bd;
    --color-gray-500: #868e96;
    --color-gray-600: #495057;
    --color-gray-700: #343a40;
    --color-gray-800: #212529;
    --color-gray-900: #111827;
    
    /* Sidebar Colors */
    --sidebar-bg-start: #e4ebf1;
    --sidebar-bg-mid: #dee6ee;
    --sidebar-bg-end: #d8e1ea;
    --sidebar-text: #1f2a37;
    --sidebar-text-muted: #2f3d4c;
    --sidebar-active: #cfe9d8;
    --sidebar-hover: #d2dde8;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 24px;
    --spacing-2xl: 32px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 14px;
    --radius-full: 999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 2px 8px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 6px 16px rgba(15, 23, 42, 0.08);
    --shadow-xl: 0 10px 30px rgba(15, 23, 42, 0.1);
}

body {
    font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #f1f4f7;
    color: #212529;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: #111827;
    line-height: 1.2;
}

p {
    margin-bottom: 1em;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* Form Elements */
input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

input:focus, textarea:focus, select:focus {
    outline: none;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-muted {
    color: var(--color-gray-500);
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }