/**
 * Garden Portal Global Styles
 * Styles that apply across the entire theme
 */

/* CSS Custom Properties */
:root {
    --primary-color: #4CAF50;
    --secondary-color: #2196F3;
    --success-color: #4CAF50;
    --warning-color: #FF9800;
    --error-color: #F44336;
    --info-color: #2196F3;
    
    --text-primary: #2c3e50;
    --text-secondary: #666;
    --text-muted: #999;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-muted: #e9ecef;
    
    --border-color: #e0e0e0;
    --border-radius: 6px;
    --box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
}

/* Global Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
}

/* Base Styles */
html {
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font-family);
    font-weight: 400;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

/* Skip Link */
.skip-link {
    position: absolute;
    left: -9999px;
    z-index: 999999;
    padding: 8px 16px;
    background: var(--text-primary);
    color: var(--bg-primary);
    text-decoration: none;
    font-weight: 600;
}

.skip-link:focus {
    left: 6px;
    top: 7px;
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

.d-none { display: none; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--bg-muted);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

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

/* Links */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover,
a:focus {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1;
    min-height: 44px; /* Accessibility: minimum touch target */
}

.btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover,
.btn-primary:focus {
    background: #45a049;
    color: white;
    text-decoration: none;
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-secondary:hover,
.btn-secondary:focus {
    background: #1976D2;
    color: white;
    text-decoration: none;
}

/* Forms */
.form-control {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    min-height: 44px; /* Accessibility: minimum touch target */
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* Cards */
.card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .spinner {
        animation: none;
        border-top-color: transparent;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000;
        --box-shadow: 0 2px 4px rgba(0,0,0,0.5);
    }
    
    .btn {
        border: 2px solid currentColor;
    }
    
    .card {
        border: 2px solid var(--border-color);
    }
    
    .form-control {
        border: 2px solid var(--border-color);
    }
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #e0e0e0;
        --text-secondary: #b0b0b0;
        --text-muted: #888;
        
        --bg-primary: #1a1a1a;
        --bg-secondary: #2d2d2d;
        --bg-muted: #404040;
        
        --border-color: #404040;
        --box-shadow: 0 2px 4px rgba(0,0,0,0.3);
    }
    
    .skip-link {
        background: var(--bg-primary);
        color: var(--text-primary);
    }
}

/* Print Styles */
@media print {
    .btn,
    .spinner,
    .skip-link {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: #000;
        background: #fff;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ccc;
        break-inside: avoid;
    }
    
    a {
        color: #000;
        text-decoration: underline;
    }
    
    a[href^="http"]:after {
        content: " (" attr(href) ")";
        font-size: 10pt;
        color: #666;
    }
}