/*
Theme Name: Wallpaper
Theme URI: #
Author: Upendra Shahi
Author URI: https://shahiupendra.com.np
Description: A modern WordPress theme for displaying wallpapers in a grid layout.
Version: 1.0.0
Requires at least: 5.0
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: wallpaper
*/

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

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #4caf50;
    --text-color: #333;
    --text-light: #777;
    --light-gray: #f5f5f5;
    --light-background: #f0f2f5;
    --white: #ffffff;
    --border-radius: 8px;
    --border-radius-large: 50px;
    --box-shadow: 0 8px 30px rgba(0,0,0,0.06);
    --transition: all 0.3s ease;
    --header-height: 80px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-background);
    padding-top: 32px; /* Space for WP admin bar */
}

.admin-bar .site-header {
    top: 32px; /* Adjust for WP admin bar */
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Fluid container (full-width) */
.container-fluid {
    width: 100%;
    margin-right: auto;
    margin-left: auto;
    padding-right: 20px;
    padding-left: 20px;
}

/* Header Styles */
.site-header {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 999;
    transition: var(--transition);
    padding: 20px 0;
    background-color: rgba(240, 242, 245, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
}

.site-header.scrolled {
    padding: 10px 0;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--box-shadow);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
}

.header-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    transition: all 0.3s ease;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: var(--border-radius-large);
    padding: 0 15px;
    box-shadow: var(--box-shadow);
}

.site-header.scrolled .header-wrapper {
    height: calc(var(--header-height) - 20px);
    background-color: rgba(255, 255, 255, 0.95);
}

.custom-logo-link {
    display: block;
    max-height: 50px;
}

.custom-logo {
    max-height: 50px;
    width: auto;
}

#wpadminbar {
    position: fixed !important;
}

.site-branding {
    display: flex;
    align-items: center;
    padding: 0;
}

.site-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
}

.site-title a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.site-title a:hover {
    color: var(--accent-color);
}

/* Navigation */
.main-navigation {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: center;
}

.main-navigation ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.main-navigation li {
    position: relative;
}

.main-navigation a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 8px 12px;
    font-size: 15px;
    position: relative;
}

.main-navigation a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
    opacity: 0;
}

.main-navigation a:hover:after,
.main-navigation li.current-menu-item a:after {
    width: 70%;
    opacity: 1;
}

.main-navigation li.current-menu-item a {
    color: var(--accent-color);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.search-toggle,
.menu-toggle,
.user-action {
    background: none;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    transition: all 0.3s ease;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.search-toggle:hover,
.menu-toggle:hover,
.user-action:hover {
    background-color: var(--accent-color);
    color: var(--white);
    transform: translateY(-2px);
}

.user-action img {
    border-radius: 50%;
    width: 32px;
    height: 32px;
}

/* Search form */
.header-search {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 16px 24px;
    background-color: var(--white);
    border-radius: 0 0 16px 16px;
    box-shadow: var(--box-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 100;
}

.header-search.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.search-form {
    display: flex;
    align-items: center;
}

.search-field {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid #e0e0e0;
    border-radius: 50px;
    font-size: 16px;
    background-color: var(--light-gray);
    transition: all 0.3s ease;
}

.search-field:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.3);
    background-color: var(--white);
}

.search-submit {
    background-color: var(--accent-color);
    color: white;
    border: none;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    margin-left: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.search-submit:hover {
    background-color: var(--primary-color);
    transform: scale(1.05);
}

/* Mobile menu toggle button */
.menu-toggle {
    display: none;
}

.menu-icon {
    display: block;
    width: 20px;
    height: 2px;
    background-color: var(--primary-color);
    position: relative;
    transition: background-color 0.3s;
}

.menu-toggle:hover .menu-icon,
.menu-toggle:hover .menu-icon::before,
.menu-toggle:hover .menu-icon::after {
    background-color: var(--white);
}

.menu-icon::before,
.menu-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
    transition: all 0.3s;
}

.menu-icon::before {
    top: -6px;
}

.menu-icon::after {
    bottom: -6px;
}

/* Main Content Area */
.site-content {
    padding: 130px 0 40px; /* Increased top padding to account for fixed header */
}

/* Wallpaper Grid */
.wallpaper-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    padding: 20px 0;
}

.wallpaper-card {
    background: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
}

.wallpaper-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.wallpaper-image {
    position: relative;
    padding-top: 75%; /* 4:3 Aspect Ratio */
    overflow: hidden;
}

.wallpaper-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.wallpaper-card:hover .wallpaper-image img {
    transform: scale(1.05);
}

.wallpaper-info {
    padding: 1.2rem;
    background: linear-gradient(to bottom, rgba(255,255,255,0.9), #fff);
}

.wallpaper-title {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    color: var(--primary-color);
}

.wallpaper-title a {
    color: inherit;
    text-decoration: none;
}

.wallpaper-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.9rem;
    color: #666;
}

.wallpaper-meta span {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* Lightbox */
.wallpaper-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90vh;
}

.lightbox-content img {
    max-height: 90vh;
    object-fit: contain;
}

.close-lightbox {
    position: absolute;
    top: -40px;
    right: -40px;
    background: none;
    border: none;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    padding: 10px;
}

/* Load More Button */
.load-more-container {
    text-align: center;
    padding: 2rem 0;
}

.button {
    display: inline-block;
    padding: 0.8rem 2rem;
    background-color: var(--secondary-color);
    color: #fff;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.button:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
}

/* Media Queries */
@media (max-width: 782px) {
    .admin-bar .site-header {
        top: 46px;
    }
    body {
        padding-top: 46px;
    }
}

@media (max-width: 991px) {
    .main-navigation {
        display: none;
    }
    
    .header-wrapper {
        height: 70px;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .site-header.active .main-navigation {
        display: block;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        box-shadow: var(--box-shadow);
        padding: 20px 0;
        border-radius: 0 0 16px 16px;
        z-index: 99;
    }
    
    .site-header.active .main-navigation ul {
        flex-direction: column;
        gap: 0;
    }
    
    .site-header.active .main-navigation li {
        width: 100%;
    }
    
    .site-header.active .main-navigation a {
        padding: 12px 24px;
        display: block;
    }
    
    .site-header.active .main-navigation a:hover {
        background-color: var(--light-gray);
    }
    
    .site-header.active .main-navigation a:after {
        display: none;
    }
}

@media (max-width: 767px) {
    .header-container {
        padding: 0 16px;
    }
    
    .header-wrapper {
        height: 60px;
    }
    
    .site-header.scrolled .header-wrapper {
        height: 50px;
    }
    
    .site-content {
        padding-top: 100px;
    }
    
    .search-toggle, 
    .menu-toggle, 
    .user-action {
        width: 36px;
        height: 36px;
    }
    
    .header-actions {
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .site-title {
        font-size: 1.4rem;
    }
    
    .container-fluid {
        padding-left: 10px;
        padding-right: 10px;
    }
    
    .search-field {
        padding: 10px 16px;
    }
    
    .search-submit {
        width: 40px;
        height: 40px;
    }
}

/* Custom Upload Form Styles */
.wallpaper-upload-form {
    background: #fff;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    max-width: 800px;
    margin: 2rem auto;
}

.form-row {
    margin-bottom: 1.5rem;
}

.form-row label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--primary-color);
}

.form-row input[type="text"],
.form-row textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
}

.form-row input[type="file"] {
    display: block;
    margin-top: 0.5rem;
}

.preview-image {
    max-width: 300px;
    margin-top: 1rem;
    border-radius: var(--border-radius);
    display: none;
}

.submit-button {
    background-color: var(--secondary-color);
    color: #fff;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition);
}

.submit-button:hover {
    background-color: var(--primary-color);
}

/* Responsive adjustments */
@media (min-width: 576px) {
    .container {
        max-width: 540px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
}

@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}

@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}