/**
 * Theme Name: Kilimokwanza Digital Shamba
 * Theme URI: https://kilimokwanza.com/digital-shamba
 * Description: A modern agricultural journalism and policy platform theme for East African smallholder farmers, featuring real-time data, multilingual support, and mobile-first design
 * Author: Appsvalle.com Team
 * Author URI: https://appsvalle.com
 * Version: 1.0.0
 * Requires at least: 6.0
 * Tested up to: 6.4
 * Requires PHP: 7.4
 * License: GPL v2 or later
 * License URI: https://www.gnu.org/licenses/gpl-2.0.html
 * Text Domain: kilimokwanza
 * Domain Path: /languages
 * Tags: agriculture, journalism, data-driven, mobile-first, accessibility-ready, translation-ready, block-editor-patterns, full-site-editing
 */

/* ==========================================================================
   1. CSS Variables & Design Tokens
   ========================================================================== */

:root {
    /* Color System - Earth Tones */
    --kds-primary-green: #2E7D32;
    --kds-primary-green-dark: #1B5E20;
    --kds-primary-green-light: #4CAF50;
    
    --kds-secondary-ochre: #C9661F;
    --kds-secondary-ochre-dark: #A0522D;
    --kds-secondary-ochre-light: #DDA15E;
    
    --kds-accent-terracotta: #BC6C25;
    --kds-accent-terracotta-dark: #A0522D;
    --kds-accent-terracotta-light: #DDA15E;
    
    /* Supporting Colors */
    --kds-soil-brown: #6B4423;
    --kds-maize-gold: #F4A460;
    --kds-sky-blue: #87CEEB;
    --kds-leaf-green: #8FBC8F;
    --kds-harvest-orange: #FF8C42;
    
    /* Neutral Palette */
    --kds-gray-50: #FAF9F6;
    --kds-gray-100: #F5F5F5;
    --kds-gray-200: #E5E5E5;
    --kds-gray-300: #D4D4D4;
    --kds-gray-400: #A3A3A3;
    --kds-gray-500: #737373;
    --kds-gray-600: #525252;
    --kds-gray-700: #404040;
    --kds-gray-800: #262626;
    --kds-gray-900: #171717;
    
    /* Functional Colors */
    --kds-success: #4CAF50;
    --kds-warning: #FF9800;
    --kds-error: #F44336;
    --kds-info: #2196F3;
    
    /* Typography */
    --kds-font-heading: 'Merriweather', Georgia, serif;
    --kds-font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --kds-font-mono: 'Fira Code', 'Courier New', monospace;
    
    /* Font Sizes - Mobile First */
    --kds-text-xs: clamp(0.75rem, 2vw, 0.875rem);
    --kds-text-sm: clamp(0.875rem, 2.5vw, 1rem);
    --kds-text-base: clamp(1rem, 3vw, 1.125rem);
    --kds-text-lg: clamp(1.125rem, 3.5vw, 1.25rem);
    --kds-text-xl: clamp(1.25rem, 4vw, 1.5rem);
    --kds-text-2xl: clamp(1.5rem, 5vw, 2rem);
    --kds-text-3xl: clamp(1.875rem, 6vw, 2.5rem);
    --kds-text-4xl: clamp(2.25rem, 7vw, 3rem);
    
    /* Spacing */
    --kds-space-xs: 0.25rem;
    --kds-space-sm: 0.5rem;
    --kds-space-md: 1rem;
    --kds-space-lg: 1.5rem;
    --kds-space-xl: 2rem;
    --kds-space-2xl: 3rem;
    --kds-space-3xl: 4rem;
    
    /* Borders & Radius */
    --kds-radius-sm: 0.25rem;
    --kds-radius-md: 0.5rem;
    --kds-radius-lg: 1rem;
    --kds-radius-full: 9999px;
    
    /* Shadows */
    --kds-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --kds-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --kds-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --kds-shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --kds-transition-fast: 150ms ease-in-out;
    --kds-transition-base: 250ms ease-in-out;
    --kds-transition-slow: 350ms ease-in-out;
    
    /* Z-Index Scale */
    --kds-z-dropdown: 1000;
    --kds-z-sticky: 1020;
    --kds-z-fixed: 1030;
    --kds-z-modal-backdrop: 1040;
    --kds-z-modal: 1050;
    --kds-z-popover: 1060;
    --kds-z-tooltip: 1070;
}

/* ==========================================================================
   2. Base Styles
   ========================================================================== */

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--kds-font-body);
    font-size: var(--kds-text-base);
    line-height: 1.6;
    color: var(--kds-gray-800);
    background-color: var(--kds-gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   3. Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--kds-font-heading);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--kds-space-md);
}

h1 { font-size: var(--kds-text-4xl); }
h2 { font-size: var(--kds-text-3xl); }
h3 { font-size: var(--kds-text-2xl); }
h4 { font-size: var(--kds-text-xl); }
h5 { font-size: var(--kds-text-lg); }
h6 { font-size: var(--kds-text-base); }

p {
    margin-bottom: var(--kds-space-md);
}

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

a:hover,
a:focus {
    color: var(--kds-primary-green-dark);
    text-decoration: underline;
}

/* ==========================================================================
   4. Layout Components
   ========================================================================== */

.kds-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--kds-space-md);
}

.kds-grid {
    display: grid;
    gap: var(--kds-space-lg);
}

.kds-grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.kds-grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.kds-grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.kds-grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* ==========================================================================
   5. Header & Navigation
   ========================================================================== */

.kds-header {
    background: var(--kds-gray-50);
    border-bottom: 1px solid var(--kds-gray-200);
    position: sticky;
    top: 0;
    z-index: var(--kds-z-sticky);
}

.kds-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--kds-space-md) 0;
}

.kds-logo {
    display: flex;
    align-items: center;
    gap: var(--kds-space-sm);
    font-family: var(--kds-font-heading);
    font-size: var(--kds-text-xl);
    font-weight: 700;
    color: var(--kds-primary-green);
}

.kds-menu {
    display: none;
    list-style: none;
}

.kds-menu-item {
    display: inline-block;
    margin-left: var(--kds-space-lg);
}

.kds-language-switcher {
    display: flex;
    gap: var(--kds-space-sm);
}

.kds-language-switcher a {
    padding: var(--kds-space-xs) var(--kds-space-sm);
    border-radius: var(--kds-radius-sm);
    background: var(--kds-gray-100);
    transition: background var(--kds-transition-fast);
}

.kds-language-switcher a:hover,
.kds-language-switcher a.active {
    background: var(--kds-primary-green);
    color: white;
}

/* ==========================================================================
   6. Farmer Action Bar (Mobile)
   ========================================================================== */

.kds-farmer-action-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-around;
    padding: var(--kds-space-sm);
    z-index: var(--kds-z-fixed);
}

.fab-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--kds-space-xs);
    padding: var(--kds-space-xs);
    border: none;
    background: none;
    color: var(--kds-gray-600);
    font-size: var(--kds-text-xs);
    cursor: pointer;
    transition: color var(--kds-transition-fast);
}

.fab-item:hover,
.fab-item:focus,
.fab-item.active {
    color: var(--kds-primary-green);
}

.fab-item svg {
    width: 24px;
    height: 24px;
}

/* Hide on desktop */
@media (min-width: 768px) {
    .kds-farmer-action-bar {
        display: none;
    }
}

/* ==========================================================================
   7. Cards & Content Blocks
   ========================================================================== */

.kds-card {
    background: white;
    border-radius: var(--kds-radius-md);
    box-shadow: var(--kds-shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--kds-transition-base);
}

.kds-card:hover {
    box-shadow: var(--kds-shadow-md);
}

.kds-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.kds-card-content {
    padding: var(--kds-space-lg);
}

.kds-card-title {
    font-size: var(--kds-text-xl);
    margin-bottom: var(--kds-space-sm);
}

.kds-card-meta {
    display: flex;
    gap: var(--kds-space-md);
    color: var(--kds-gray-500);
    font-size: var(--kds-text-sm);
    margin-bottom: var(--kds-space-md);
}

/* ==========================================================================
   8. Data Modules
   ========================================================================== */

.kds-data-widget {
    background: linear-gradient(135deg, var(--kds-primary-green), var(--kds-primary-green-dark));
    color: white;
    padding: var(--kds-space-lg);
    border-radius: var(--kds-radius-md);
}

.kds-data-title {
    font-size: var(--kds-text-lg);
    margin-bottom: var(--kds-space-md);
    display: flex;
    align-items: center;
    gap: var(--kds-space-sm);
}

.kds-price-list {
    list-style: none;
}

.kds-price-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--kds-space-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.kds-price-item:last-child {
    border-bottom: none;
}

.kds-commodity {
    font-weight: 500;
}

.kds-price {
    font-family: var(--kds-font-mono);
}

.kds-trend {
    padding: 2px 8px;
    border-radius: var(--kds-radius-sm);
    font-size: var(--kds-text-xs);
}

.kds-trend.up {
    background: var(--kds-success);
}

.kds-trend.down {
    background: var(--kds-error);
}

/* ==========================================================================
   9. Forms
   ========================================================================== */

.kds-form-group {
    margin-bottom: var(--kds-space-lg);
}

.kds-label {
    display: block;
    margin-bottom: var(--kds-space-xs);
    font-weight: 500;
    color: var(--kds-gray-700);
}

.kds-input,
.kds-textarea,
.kds-select {
    width: 100%;
    padding: var(--kds-space-sm) var(--kds-space-md);
    border: 1px solid var(--kds-gray-300);
    border-radius: var(--kds-radius-sm);
    font-family: var(--kds-font-body);
    font-size: var(--kds-text-base);
    transition: border-color var(--kds-transition-fast);
}

.kds-input:focus,
.kds-textarea:focus,
.kds-select:focus {
    outline: none;
    border-color: var(--kds-primary-green);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

.kds-textarea {
    resize: vertical;
    min-height: 120px;
}

/* ==========================================================================
   10. Buttons
   ========================================================================== */

.kds-btn {
    display: inline-block;
    padding: var(--kds-space-sm) var(--kds-space-lg);
    border: none;
    border-radius: var(--kds-radius-sm);
    font-family: var(--kds-font-body);
    font-size: var(--kds-text-base);
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--kds-transition-base);
}

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

.kds-btn-primary:hover {
    background: var(--kds-primary-green-dark);
}

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

.kds-btn-outline {
    background: transparent;
    border: 2px solid var(--kds-primary-green);
    color: var(--kds-primary-green);
}

.kds-btn-outline:hover {
    background: var(--kds-primary-green);
    color: white;
}

/* ==========================================================================
   11. Utilities
   ========================================================================== */

/* Text Utilities */
.kds-text-center { text-align: center; }
.kds-text-left { text-align: left; }
.kds-text-right { text-align: right; }

/* Display Utilities */
.kds-hidden { display: none; }
.kds-block { display: block; }
.kds-inline-block { display: inline-block; }
.kds-flex { display: flex; }
.kds-grid { display: grid; }

/* Spacing Utilities */
.kds-mt-0 { margin-top: 0; }
.kds-mt-sm { margin-top: var(--kds-space-sm); }
.kds-mt-md { margin-top: var(--kds-space-md); }
.kds-mt-lg { margin-top: var(--kds-space-lg); }

.kds-mb-0 { margin-bottom: 0; }
.kds-mb-sm { margin-bottom: var(--kds-space-sm); }
.kds-mb-md { margin-bottom: var(--kds-space-md); }
.kds-mb-lg { margin-bottom: var(--kds-space-lg); }

/* ==========================================================================
   12. Accessibility
   ========================================================================== */

.screen-reader-text {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--kds-primary-green);
    color: white;
    padding: var(--kds-space-sm) var(--kds-space-md);
    text-decoration: none;
    z-index: var(--kds-z-tooltip);
}

.skip-link:focus {
    top: 0;
}

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

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --kds-primary-green: #1B5E20;
        --kds-gray-800: #000000;
        --kds-gray-50: #FFFFFF;
    }
}

/* ==========================================================================
   13. Responsive Design
   ========================================================================== */

/* Tablet (768px and up) */
@media (min-width: 768px) {
    .kds-container {
        padding: 0 var(--kds-space-lg);
    }
    
    .kds-menu {
        display: flex;
    }
    
    .kds-mobile-menu-toggle {
        display: none;
    }
    
    .kds-grid-md-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .kds-grid-md-cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Desktop (1024px and up) */
@media (min-width: 1024px) {
    .kds-container {
        padding: 0 var(--kds-space-xl);
    }
    
    .kds-grid-lg-cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .kds-grid-lg-cols-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Large Desktop (1440px and up) */
@media (min-width: 1440px) {
    .kds-container {
        max-width: 1320px;
    }
}

/* ==========================================================================
   14. Print Styles
   ========================================================================== */

@media print {
    .kds-header,
    .kds-farmer-action-bar,
    .kds-language-switcher,
    .no-print {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
        color: black;
        background: white;
    }
    
    a {
        color: black;
        text-decoration: underline;
    }
}

/* ==========================================================================
   15. Loading & Skeleton Screens
   ========================================================================== */

.kds-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ==========================================================================
   16. Offline Mode Indicator
   ========================================================================== */

.kds-offline-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--kds-warning);
    color: white;
    text-align: center;
    padding: var(--kds-space-sm);
    z-index: var(--kds-z-tooltip);
}