/*
Theme Name: BloquesAutoCAD Premium
Theme URI: https://www.bloquesautocad.com
Description: Tema WordPress profesional para biblioteca de bloques CAD y objetos BIM. Diseño moderno y profesional con tipografía mejorada, sistema de elevación, transiciones suaves y responsive optimizado.
Version: 2.1.0
Author: BloquesAutoCAD Team
Author URI: https://www.bloquesautocad.com
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: bloquesautocad
Tags: light, modern, professional, architecture, cad, bim, blocks, responsive, custom-colors, custom-menu, featured-images, theme-options, sidebar, accessibility-ready
Requires at least: 6.0
Tested up to: 6.4
Requires PHP: 7.4

BloquesAutoCAD - Professional Modern CAD Block Design
Enhanced version with improved aesthetics and responsive design
*/

/* ===== CSS Variables ===== */
:root {
    /* Colors - Professional Light Mode */
    --bg-primary: #ffffff;
    --bg-secondary: #f5f7fa;
    --bg-tertiary: #edf2f7;
    --bg-hover: #e2e8f0;

    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-tertiary: #718096;
    --text-muted: #a0aec0;

    --border-color: #e2e8f0;
    --border-light: #edf2f7;

    --accent-blue: #3182ce;
    --accent-blue-hover: #2c5282;
    --accent-blue-light: #bee3f8;
    --accent-orange: #ed8936;
    --accent-red: #e53e3e;
    --accent-green: #38a169;

    /* Header */
    --header-bg: #1a202c;
    --header-text: #ffffff;

    /* Badge Colors */
    --badge-premium: #ed8936;
    --badge-dwg: #3182ce;
    --badge-hot: #e53e3e;

    /* Shadows */
    --shadow-sm: 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);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-display: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing Scale */
    --spacing-xs: 0.25rem;
    /* 4px */
    --spacing-sm: 0.5rem;
    /* 8px */
    --spacing-md: 1rem;
    /* 16px */
    --spacing-lg: 1.5rem;
    /* 24px */
    --spacing-xl: 2rem;
    /* 32px */
    --spacing-2xl: 2.5rem;
    /* 40px */
    --spacing-3xl: 3rem;
    /* 48px */
    --spacing-4xl: 4rem;
    /* 64px */

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    --sidebar-width: 260px;
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-blue);
}

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

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    transition: all var(--transition-base);
}

ul {
    list-style: none;
}

/* ===== Container ===== */
.container-full {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===== Header ===== */
.site-header {
    background: var(--header-bg);
    color: var(--header-text);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.menu-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--header-text);
    font-size: 14px;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.menu-toggle:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-1px);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 18px;
    font-weight: 700;
    font-family: var(--font-display);
    color: var(--header-text);
    letter-spacing: -0.5px;
}

.site-logo svg {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.header-search {
    flex: 1;
    max-width: 600px;
}

.search-form {
    position: relative;
    width: 100%;
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.5);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 12px var(--spacing-md) 12px 44px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.08);
    color: var(--header-text);
    font-size: 14px;
    font-weight: 400;
    transition: all var(--transition-base);
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.search-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.header-right {
    display: flex;
    align-items: center;
}

.cart-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.cart-link:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-1px);
}

/* ===== Main Layout ===== */
.site-main {
    padding: var(--spacing-2xl) 0;
}

.content-wrapper {
    display: flex;
    gap: var(--spacing-2xl);
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===== Sidebar ===== */
.sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
}

.sidebar-section {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.sidebar-section:last-child {
    margin-bottom: 0;
}

.sidebar-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-hot {
    background: var(--badge-hot);
    color: white;
    font-size: 10px;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    letter-spacing: 0.5px;
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sidebar-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.sidebar-menu a:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    padding-left: calc(var(--spacing-md) + 4px);
}

.sidebar-menu a.active {
    background: var(--accent-blue);
    color: white;
    font-weight: 600;
}

/* ===== Main Content ===== */
.main-content {
    flex: 1;
    min-width: 0;
}

.content-header {
    margin-bottom: var(--spacing-2xl);
}

.page-title {
    font-size: 28px;
    font-weight: 700;
    font-family: var(--font-display);
    color: var(--text-primary);
    line-height: 1.3;
    letter-spacing: -0.5px;
}

/* ===== Blocks Grid ===== */
.blocks-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.block-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.block-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--accent-blue-light);
}

.block-badges {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    z-index: 10;
    display: flex;
    gap: var(--spacing-sm);
}

.badge {
    font-size: 11px;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: var(--radius-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-sm);
}

.badge-premium {
    background: var(--badge-premium);
    color: white;
}

.badge-dwg {
    background: var(--badge-dwg);
    color: white;
}

.block-link {
    display: block;
}

.block-preview {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    padding: var(--spacing-2xl);
    border-bottom: 1px solid var(--border-light);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.block-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 30%, rgba(49, 130, 206, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.block-preview-grid svg {
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.05));
}

.block-info {
    padding: var(--spacing-lg);
}

.block-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-display);
}

.block-subtitle {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 13px;
}

/* ===== Pagination ===== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-4xl) 0 var(--spacing-3xl);
    flex-wrap: wrap;
}

.page-btn {
    min-width: 40px;
    height: 40px;
    padding: 0 var(--spacing-md);
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.page-btn:hover:not(:disabled) {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    background: var(--accent-blue-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.page-btn.page-active {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-md);
}

.page-dots {
    color: var(--text-tertiary);
    padding: 0 var(--spacing-sm);
    font-weight: 600;
}

/* ===== Featured Collection ===== */
.featured-collection {
    margin: var(--spacing-4xl) 0;
    padding: var(--spacing-3xl);
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.section-title {
    font-size: 24px;
    font-weight: 700;
    font-family: var(--font-display);
    color: var(--text-primary);
    margin-bottom: var(--spacing-2xl);
    text-align: center;
    letter-spacing: -0.5px;
}

.collection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.collection-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    transition: all var(--transition-base);
}

.collection-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.collection-badges {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    z-index: 10;
    display: flex;
    gap: var(--spacing-sm);
}

.collection-link {
    display: block;
}

.collection-link img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.collection-title {
    padding: var(--spacing-lg);
    font-size: 16px;
    font-weight: 600;
    font-family: var(--font-display);
    color: var(--text-primary);
}

/* ===== Text Content ===== */
.text-content {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    margin: var(--spacing-4xl) 0;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.text-content h2 {
    font-size: 22px;
    font-weight: 700;
    font-family: var(--font-display);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

.text-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    font-size: 15px;
}

.text-content p:last-child {
    margin-bottom: 0;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--header-bg);
    color: var(--header-text);
    padding: var(--spacing-3xl) 0;
    margin-top: var(--spacing-4xl);
}

.footer-social {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.footer-social p {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.social-icons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
}

.social-icons a {
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-fast);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
}

.social-icons a:hover {
    color: var(--header-text);
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    font-size: 13px;
    font-weight: 500;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--header-text);
}

/* ===== Responsive Design ===== */

/* Large tablets and small desktops */
@media (max-width: 1200px) {
    .blocks-container {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: var(--spacing-lg);
    }

    .sidebar {
        width: 240px;
    }

    .page-title {
        font-size: 24px;
    }
}

/* Tablets */
@media (max-width: 1024px) {
    .blocks-container {
        grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    }

    .collection-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    }
}

/* Small tablets */
@media (max-width: 768px) {
    .content-wrapper {
        flex-direction: column;
        gap: var(--spacing-xl);
    }

    .sidebar {
        width: 100%;
        order: 2;
    }

    .sidebar-section {
        padding: var(--spacing-md);
    }

    .main-content {
        order: 1;
    }

    .blocks-container {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: var(--spacing-md);
    }

    .header-search {
        display: none;
    }

    .page-title {
        font-size: 22px;
    }

    .pagination {
        font-size: 13px;
        gap: 6px;
    }

    .page-btn {
        min-width: 36px;
        height: 36px;
        font-size: 13px;
    }

    .featured-collection,
    .text-content {
        padding: var(--spacing-xl);
    }
}

/* Mobile */
@media (max-width: 640px) {

    .container-full,
    .content-wrapper {
        padding: 0 var(--spacing-md);
    }

    .site-header {
        padding: var(--spacing-sm) 0;
    }

    .header-left {
        gap: var(--spacing-sm);
    }

    .menu-toggle span,
    .cart-link span {
        display: none;
    }

    .site-logo span {
        font-size: 16px;
    }

    .blocks-container {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
    }

    .block-preview {
        padding: var(--spacing-lg);
        min-height: 150px;
    }

    .block-info {
        padding: var(--spacing-md);
    }

    .block-title {
        font-size: 14px;
    }

    .collection-grid {
        grid-template-columns: 1fr;
    }

    .page-title {
        font-size: 20px;
    }

    .section-title {
        font-size: 20px;
    }

    .featured-collection,
    .text-content {
        padding: var(--spacing-lg);
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

/* Extra small mobile */
@media (max-width: 480px) {
    .block-badges {
        top: var(--spacing-sm);
        left: var(--spacing-sm);
        gap: 4px;
    }

    .badge {
        font-size: 9px;
        padding: 4px 8px;
    }

    .page-btn {
        min-width: 32px;
        height: 32px;
        padding: 0 var(--spacing-sm);
        font-size: 12px;
    }
}

/* ===== Utilities ===== */
.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;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: var(--accent-blue-light);
    color: var(--accent-blue-hover);
}

/* Focus visible for accessibility */
:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}