/**
 * Main CSS - Global Styles, Reset, Typography
 * Enhanced with modern dashboard aesthetics
 */

/* CSS Variables */
:root {
    /* Primary Colors - Green Theme */
    --primary-50: #f0fdf4;
    --primary-100: #dcfce7;
    --primary-200: #bbf7d0;
    --primary-300: #86efac;
    --primary-400: #4ade80;
    --primary-500: #2E8B57;
    --primary-600: #16a34a;
    --primary-700: #1F5F3F;
    --primary-800: #166534;
    --primary-900: #14532d;
    
    /* Light/Accent Green */
    --light-green: #3CB371;
    --dark-green: #1F5F3F;
    
    /* Neutral Colors */
    --neutral-50: #F9FAFB;
    --neutral-100: #F3F4F6;
    --neutral-200: #E5E7EB;
    --neutral-300: #D1D5DB;
    --neutral-400: #9CA3AF;
    --neutral-500: #6B7280;
    --neutral-600: #4B5563;
    --neutral-700: #374151;
    --neutral-800: #1F2937;
    --neutral-900: #111827;
    
    /* Status Colors */
    --success-50: #f0fdf4;
    --success-500: #10B981;
    --success-600: #059669;
    --warning-50: #fffbeb;
    --warning-500: #F59E0B;
    --warning-600: #d97706;
    --danger-50: #fef2f2;
    --danger-500: #EF4444;
    --danger-600: #dc2626;
    --info-500: #17a2b8;
    --info-600: #138496;
    
    /* Extended Colors */
    --white: #FFFFFF;
    --black: #000000;
    --light-gray: #F5F5F5;
    --medium-gray: #E5E5E5;
    --dark-gray: #333333;
    --text-gray: #666666;
    
    /* Font Families */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Courier New', monospace;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    
    /* Font Weights */
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-full: 9999px;
}

/* CSS Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--neutral-900);
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--medium-gray) 100%);
    min-height: 100vh;
    position: relative;
}

/* Background Animation */
.background-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

.bg-shape {
    position: absolute;
    border: 1px solid var(--primary-500);
    opacity: 0.03;
    animation: float 40s infinite linear;
}

.bg-shape.circle {
    border-radius: 50%;
}

.bg-shape.square {
    border-radius: 4px;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% { opacity: 0.03; }
    90% { opacity: 0.03; }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-semibold);
    line-height: 1.2;
    color: var(--black);
    letter-spacing: -0.5px;
}

h1 {
    font-size: var(--text-4xl);
    font-weight: var(--font-extrabold);
    margin-bottom: var(--space-6);
}

h2 {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-5);
}

h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
}

h4 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

p {
    margin-bottom: var(--space-4);
    color: var(--dark-gray);
}

a {
    color: var(--primary-500);
    text-decoration: none;
    transition: all 0.2s ease;
}

a:hover {
    color: var(--primary-600);
    text-decoration: none;
}

/* Lists */
ul, ol {
    padding-left: var(--space-6);
    margin-bottom: var(--space-4);
}

li {
    margin-bottom: var(--space-2);
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
}

/* Code */
code, pre {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    background: var(--neutral-100);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

/* Selection */
::selection {
    background-color: var(--primary-500);
    color: white;
}

/* Focus Styles */
:focus {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--neutral-100);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-500);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-600);
}

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

.text-right {
    text-align: right;
}

.text-left {
    text-align: left;
}

.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }

.hidden {
    display: none !important;
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

.w-full {
    width: 100%;
}

.h-full {
    height: 100%;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

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

.slide-in-left {
    animation: slideInLeft 0.6s ease forwards;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.scale-in {
    animation: scaleIn 0.4s ease forwards;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.slide-up {
    animation: slideUp 0.3s ease forwards;
}

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

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid var(--medium-gray);
    border-top: 2px solid var(--primary-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Print Styles */
@media print {
    body {
        background: white;
    }
    
    .no-print {
        display: none !important;
    }
    
    a {
        color: var(--neutral-900);
        text-decoration: underline;
    }
    
    .background-shapes {
        display: none;
    }
}