/*
Theme Name: Barevná Světla
Theme URI: https://www.barevna-svetla.cz
Author: Barevná Světla
Author URI: https://www.barevna-svetla.cz
Description: Moderní WooCommerce šablona pro e-shop se svítidly. Responzivní design optimalizovaný pro prodej osvětlení s důrazem na vizuální prezentaci produktů a uživatelský zážitek.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: barevna-svetla
Tags: e-commerce, woocommerce, responsive, lighting, modern, custom-menu, custom-logo, featured-images, threaded-comments, translation-ready

This theme, like WordPress, is licensed under the GPL.
*/

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    --primary-color: #1a1a1a;
    --secondary-color: #d4af37;
    --accent-color: #f5f5f5;
    --text-color: #333;
    --light-gray: #e8e8e8;
    --white: #ffffff;
    --success-color: #28a745;
    --error-color: #dc3545;
    --warning-color: #ffc107;
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 20px;
    --spacing-lg: 40px;
    --spacing-xl: 60px;
    
    /* Border radius */
    --radius-sm: 5px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 25px;
    
    /* Shadows */
    --shadow-sm: 0 2px 5px rgba(0,0,0,0.1);
    --shadow-md: 0 5px 15px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-color);
    line-height: var(--line-height-base);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

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

button,
input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-narrow {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
    font-weight: 300;
}

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

.text-primary {
    color: var(--primary-color);
}

.text-secondary {
    color: var(--secondary-color);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

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

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

/* ============================================
   GRID SYSTEM
   ============================================ */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

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

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

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

.grid-auto {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
    }
    
    .grid-4 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    :root {
        --spacing-xl: 40px;
        --spacing-lg: 30px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .grid-3,
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 30px;
        --spacing-lg: 20px;
        --font-size-base: 15px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .grid-auto {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 15px;
        --spacing-lg: 15px;
    }
    
    .section-title {
        font-size: 24px;
    }
}

/* ============================================
   WORDPRESS CORE STYLES
   ============================================ */
.alignleft {
    float: left;
    margin-right: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.alignright {
    float: right;
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.aligncenter {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.wp-caption {
    max-width: 100%;
}

.wp-caption-text {
    font-size: 14px;
    color: #666;
    margin-top: var(--spacing-xs);
    text-align: center;
}

.sticky {
    /* Sticky post styles */
}

.bypostauthor {
    /* Post author styles */
}

.gallery {
    margin: var(--spacing-md) 0;
}

.gallery-item {
    display: inline-block;
    text-align: center;
    vertical-align: top;
    width: 100%;
    padding: var(--spacing-xs);
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

.screen-reader-text:focus {
    background-color: var(--accent-color);
    border-radius: var(--radius-sm);
    box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
    clip: auto !important;
    clip-path: none;
    color: var(--primary-color);
    display: block;
    font-size: 14px;
    font-weight: bold;
    height: auto;
    left: 5px;
    line-height: normal;
    padding: 15px 23px 14px;
    text-decoration: none;
    top: 5px;
    width: auto;
    z-index: 100000;
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    *,
    *:before,
    *:after {
        background: transparent !important;
        color: #000 !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    a,
    a:visited {
        text-decoration: underline;
    }
    
    a[href]:after {
        content: " (" attr(href) ")";
    }
    
    img {
        page-break-inside: avoid;
    }
    
    p,
    h2,
    h3 {
        orphans: 3;
        widows: 3;
    }
    
    h2,
    h3 {
        page-break-after: avoid;
    }
}