/*
Theme Name: ProjToolbox Blog
Description: A custom WordPress theme for ProjToolbox with professional project management branding
Version: 1.0
Author: ProjToolbox Team
*/

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background-color: #f8fafc;
}

/* CSS Variables for ProjToolbox Branding */
:root {
    --projtoolbox-primary: #2563eb;
    --projtoolbox-secondary: #1e40af;
    --projtoolbox-accent: #3b82f6;
    --projtoolbox-text: #1f2937;
    --projtoolbox-text-light: #6b7280;
    --projtoolbox-light: #f8fafc;
    --projtoolbox-border: #e5e7eb;
    --projtoolbox-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --projtoolbox-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* Mobile-First Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

@media (min-width: 768px) {
    .container {
        padding: 0 20px;
    }
}

/* Mobile-First Header - Ultra Compact */
.site-header {
    background: linear-gradient(90deg, var(--projtoolbox-primary) 0%, var(--projtoolbox-secondary) 100%);
    padding: 8px 0;
    box-shadow: var(--projtoolbox-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    min-height: auto;
}

@media (min-width: 768px) {
    .site-header {
        padding: 20px 0;
    }
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-direction: column;
    gap: 8px;
    text-align: center;
}

@media (min-width: 768px) {
    .header-content {
        flex-direction: row;
        gap: 0;
        text-align: left;
    }
}

.site-branding {
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (min-width: 768px) {
    .site-branding {
        justify-content: flex-start;
    }
}

.site-logo {
    width: 32px;
    height: 32px;
    background: white;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 8px;
    font-weight: bold;
    color: var(--projtoolbox-primary);
    font-size: 12px;
}

@media (min-width: 768px) {
    .site-logo {
        width: 50px;
        height: 50px;
        font-size: 18px;
        margin-right: 15px;
    }
}

.site-title {
    color: white;
    font-size: 1.2rem;
    font-weight: 700;
    text-decoration: none;
}

@media (min-width: 768px) {
    .site-title {
        font-size: 1.8rem;
    }
}

.site-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.7rem;
    margin-top: 2px;
}

@media (min-width: 768px) {
    .site-description {
        font-size: 0.9rem;
        margin-top: 5px;
    }
}

/* Mobile-First Navigation */
.main-navigation {
    margin-top: 5px;
}

@media (min-width: 768px) {
    .main-navigation {
        margin-top: 0;
    }
}

.main-navigation ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

@media (min-width: 768px) {
    .main-navigation ul {
        flex-direction: row;
        gap: 30px;
    }
}

.main-navigation a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    display: block;
    text-align: center;
}

@media (min-width: 768px) {
    .main-navigation a {
        padding: 8px 16px;
        font-size: 1rem;
        text-align: left;
    }
}

.main-navigation a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

/* Mobile-First Breadcrumb */
.breadcrumb-nav {
    background: white;
    border-bottom: 1px solid var(--projtoolbox-border);
    padding: 6px 0;
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .breadcrumb-nav {
        padding: 15px 0;
    }
}

.breadcrumb {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 3px;
    font-size: 0.7rem;
    flex-wrap: wrap;
}

@media (min-width: 768px) {
    .breadcrumb {
        gap: 10px;
        font-size: 0.9rem;
    }
}

.breadcrumb li:not(:last-child)::after {
    content: '>';
    margin-left: 3px;
    color: var(--projtoolbox-text-light);
}

@media (min-width: 768px) {
    .breadcrumb li:not(:last-child)::after {
        margin-left: 10px;
    }
}

.breadcrumb a {
    color: var(--projtoolbox-accent);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb .active {
    color: var(--projtoolbox-text);
    font-weight: 500;
}

/* Mobile-First Blog Listing Page */
.blog-listing .page-header {
    text-align: center;
    padding: 20px 0;
    background: linear-gradient(135deg, var(--projtoolbox-light) 0%, white 100%);
    margin-bottom: 20px;
}

@media (min-width: 768px) {
    .blog-listing .page-header {
        padding: 60px 0;
        margin-bottom: 40px;
    }
}

.blog-listing .page-title {
    font-size: 1.8rem;
    color: var(--projtoolbox-primary);
    margin-bottom: 10px;
    font-weight: 800;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .blog-listing .page-title {
        font-size: 3rem;
        margin-bottom: 20px;
    }
}

.blog-listing .page-description {
    font-size: 0.9rem;
    color: var(--projtoolbox-text-light);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.4;
    padding: 0 10px;
}

@media (min-width: 768px) {
    .blog-listing .page-description {
        font-size: 1.2rem;
        line-height: 1.6;
        padding: 0;
    }
}

/* Mobile-First Posts Grid */
.blog-listing-grid {
    margin-bottom: 30px;
}

@media (min-width: 768px) {
    .blog-listing-grid {
        margin-bottom: 60px;
    }
}

.posts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-bottom: 30px;
}

@media (min-width: 768px) {
    .posts-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 40px;
        margin-bottom: 50px;
    }
}

/* Mobile-First Post Cards */
.post-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--projtoolbox-shadow);
    transition: all 0.3s ease;
    margin-bottom: 10px;
}

@media (min-width: 768px) {
    .post-card {
        border-radius: 12px;
        margin-bottom: 0;
    }
}

.post-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--projtoolbox-shadow-lg);
}

.post-card-content {
    padding: 12px;
}

@media (min-width: 768px) {
    .post-card-content {
        padding: 30px;
    }
}

.post-card-title {
    font-size: 1.1rem;
    margin-bottom: 8px;
    line-height: 1.3;
}

@media (min-width: 768px) {
    .post-card-title {
        font-size: 1.4rem;
        margin-bottom: 15px;
        line-height: 1.4;
    }
}

.post-card-title a {
    color: var(--projtoolbox-primary);
    text-decoration: none;
    font-weight: 600;
}

.post-card-title a:hover {
    color: var(--projtoolbox-accent);
}

.post-card-meta {
    font-size: 0.7rem;
    color: var(--projtoolbox-text-light);
    margin-bottom: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

@media (min-width: 768px) {
    .post-card-meta {
        font-size: 0.9rem;
        gap: 15px;
        margin-bottom: 20px;
    }
}

.post-card-meta span {
    white-space: nowrap;
}

.post-card-excerpt {
    color: var(--projtoolbox-text-light);
    line-height: 1.4;
    margin-bottom: 12px;
    font-size: 0.85rem;
}

@media (min-width: 768px) {
    .post-card-excerpt {
        line-height: 1.6;
        margin-bottom: 25px;
        font-size: 1rem;
    }
}

/* Mobile-First Post Tags */
.post-card-tags {
    margin: 8px 0;
}

@media (min-width: 768px) {
    .post-card-tags {
        margin: 20px 0;
    }
}

.post-card-tags .tag {
    display: inline-block;
    background: var(--projtoolbox-light);
    color: var(--projtoolbox-text);
    padding: 2px 6px;
    border-radius: 12px;
    font-size: 0.6rem;
    margin: 1px 1px 1px 0;
    border: 1px solid var(--projtoolbox-border);
}

@media (min-width: 768px) {
    .post-card-tags .tag {
        padding: 4px 10px;
        border-radius: 15px;
        font-size: 0.7rem;
        margin: 3px 3px 3px 0;
    }
}

/* Mobile-First Featured Post */
.featured-post {
    grid-column: 1 / -1;
    border: 2px solid var(--projtoolbox-accent);
    position: relative;
}

.featured-badge {
    position: static;
    display: inline-block;
    margin-bottom: 8px;
    background: var(--projtoolbox-accent);
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

@media (min-width: 768px) {
    .featured-badge {
        position: absolute;
        top: 20px;
        right: 20px;
        padding: 8px 16px;
        border-radius: 20px;
        font-size: 0.8rem;
        letter-spacing: 0.5px;
        margin-bottom: 0;
    }
}

.featured-post .post-card-title {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

@media (min-width: 768px) {
    .featured-post .post-card-title {
        font-size: 1.8rem;
        margin-bottom: 20px;
    }
}

/* Mobile-First Coming Soon Posts */
.coming-soon-post {
    opacity: 0.8;
    position: relative;
}

.coming-soon-badge {
    position: static;
    display: inline-block;
    margin-bottom: 8px;
    background: var(--projtoolbox-text-light);
    color: white;
    padding: 3px 6px;
    border-radius: 10px;
    font-size: 0.55rem;
    font-weight: 600;
    text-transform: uppercase;
}

@media (min-width: 768px) {
    .coming-soon-badge {
        position: absolute;
        top: 20px;
        right: 20px;
        padding: 6px 12px;
        border-radius: 15px;
        font-size: 0.7rem;
        margin-bottom: 0;
    }
}

.coming-soon-post .post-card-title a {
    color: var(--projtoolbox-text-light);
    pointer-events: none;
}

.coming-soon-post .button.disabled {
    background: var(--projtoolbox-text-light);
    color: white;
    cursor: not-allowed;
    opacity: 0.6;
}

/* Mobile-First Newsletter */
.newsletter-signup {
    background: linear-gradient(135deg, var(--projtoolbox-primary) 0%, var(--projtoolbox-secondary) 100%);
    color: white;
    padding: 20px 15px;
    border-radius: 8px;
    text-align: center;
    margin: 20px 0;
}

@media (min-width: 768px) {
    .newsletter-signup {
        padding: 60px 40px;
        border-radius: 12px;
        margin: 60px 0;
    }
}

.newsletter-content h3 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 8px;
    font-weight: 700;
}

@media (min-width: 768px) {
    .newsletter-content h3 {
        font-size: 2rem;
        margin-bottom: 15px;
    }
}

.newsletter-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.85rem;
    margin-bottom: 15px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.4;
}

@media (min-width: 768px) {
    .newsletter-content p {
        font-size: 1.1rem;
        margin-bottom: 30px;
        line-height: 1.6;
    }
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    justify-content: center;
    align-items: center;
    margin-bottom: 15px;
}

@media (min-width: 768px) {
    .newsletter-form {
        flex-direction: row;
        gap: 15px;
        margin-bottom: 20px;
    }
}

.newsletter-input {
    padding: 10px 12px;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    min-width: 200px;
    width: 100%;
    max-width: 250px;
    color: var(--projtoolbox-text);
}

@media (min-width: 768px) {
    .newsletter-input {
        padding: 15px 20px;
        font-size: 1rem;
        min-width: 300px;
        max-width: 300px;
    }
}

.newsletter-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.newsletter-note {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.75rem;
    margin: 0;
}

@media (min-width: 768px) {
    .newsletter-note {
        font-size: 0.9rem;
    }
}

/* Mobile-First Back to Home Button */
.back-to-home {
    text-align: center;
    margin: 20px 0;
}

@media (min-width: 768px) {
    .back-to-home {
        margin: 40px 0;
    }
}

.back-to-home .button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: transparent;
    color: var(--projtoolbox-primary);
    border: 2px solid var(--projtoolbox-primary);
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

@media (min-width: 768px) {
    .back-to-home .button {
        gap: 10px;
        padding: 15px 30px;
        border-radius: 8px;
        font-size: 1rem;
    }
}

.back-to-home .button:hover {
    background: var(--projtoolbox-primary);
    color: white;
    transform: translateY(-2px);
}

/* Mobile-First Buttons */
.button {
    display: inline-block;
    padding: 10px 20px;
    background: var(--projtoolbox-accent);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
}

@media (min-width: 768px) {
    .button {
        padding: 15px 30px;
        border-radius: 8px;
        font-size: 1rem;
    }
}

.button:hover {
    background: var(--projtoolbox-secondary);
    transform: translateY(-2px);
    box-shadow: var(--projtoolbox-shadow-lg);
}

.button.secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

/* Mobile-First Footer */
.site-footer {
    background: var(--projtoolbox-text);
    color: white;
    padding: 30px 0 20px;
}

@media (min-width: 768px) {
    .site-footer {
        padding: 60px 0 30px;
    }
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin-bottom: 25px;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 40px;
        margin-bottom: 40px;
        text-align: left;
    }
}

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: 15px;
    font-weight: 600;
}

@media (min-width: 768px) {
    .footer-section h3,
    .footer-section h4 {
        margin-bottom: 20px;
    }
}

.footer-section h3 {
    font-size: 1.3rem;
    color: var(--projtoolbox-accent);
}

@media (min-width: 768px) {
    .footer-section h3 {
        font-size: 1.5rem;
    }
}

.footer-section h4 {
    font-size: 1rem;
    color: white;
}

@media (min-width: 768px) {
    .footer-section h4 {
        font-size: 1.1rem;
    }
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
    margin-bottom: 12px;
    font-size: 0.9rem;
}

@media (min-width: 768px) {
    .footer-section p {
        line-height: 1.6;
        margin-bottom: 15px;
        font-size: 1rem;
    }
}

.footer-section a {
    color: var(--projtoolbox-accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
    text-decoration: underline;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 8px;
}

@media (min-width: 768px) {
    .footer-links li {
        margin-bottom: 10px;
    }
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.9rem;
}

@media (min-width: 768px) {
    .footer-links a {
        font-size: 1rem;
    }
}

.footer-links a:hover {
    color: var(--projtoolbox-accent);
}

.social-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

@media (min-width: 768px) {
    .social-links {
        gap: 15px;
        justify-content: flex-start;
    }
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.1rem;
}

@media (min-width: 768px) {
    .social-links a {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }
}

.social-links a:hover {
    background: var(--projtoolbox-accent);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 20px;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        padding-top: 30px;
    }
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    margin: 3px 0;
    font-size: 0.85rem;
}

@media (min-width: 768px) {
    .footer-bottom p {
        margin: 5px 0;
        font-size: 1rem;
    }
}

/* Active Navigation State */
.main-navigation .active {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

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

.mb-20 {
    margin-bottom: 15px;
}

.mb-30 {
    margin-bottom: 20px;
}

.mb-40 {
    margin-bottom: 25px;
}

@media (min-width: 768px) {
    .mb-20 {
        margin-bottom: 20px;
    }
    
    .mb-30 {
        margin-bottom: 30px;
    }
    
    .mb-40 {
        margin-bottom: 40px;
    }
}

.hidden-mobile {
    display: none;
}

@media (min-width: 768px) {
    .hidden-mobile {
        display: block;
    }
}

/* Extra Small Screen Optimizations */
@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .site-header {
        padding: 6px 0;
    }
    
    .site-logo {
        width: 28px;
        height: 28px;
        font-size: 10px;
        margin-right: 6px;
    }
    
    .site-title {
        font-size: 1.1rem;
    }
    
    .site-description {
        font-size: 0.65rem;
    }
    
    .blog-listing .page-header {
        padding: 15px 0;
        margin-bottom: 15px;
    }
    
    .blog-listing .page-title {
        font-size: 1.6rem;
    }
    
    .blog-listing .page-description {
        font-size: 0.8rem;
        padding: 0 8px;
    }
    
    .post-card-content {
        padding: 10px;
    }
    
    .post-card-title {
        font-size: 1rem;
    }
    
    .post-card-excerpt {
        font-size: 0.8rem;
    }
    
    .newsletter-signup {
        padding: 15px 10px;
        margin: 15px 0;
    }
    
    .newsletter-content h3 {
        font-size: 1.1rem;
    }
    
    .newsletter-content p {
        font-size: 0.8rem;
    }
    
    .newsletter-input {
        min-width: 180px;
        padding: 8px 10px;
    }
    
    .breadcrumb-nav {
        padding: 4px 0;
    }
    
    .breadcrumb {
        font-size: 0.65rem;
        gap: 2px;
    }
    
    .posts-grid {
        gap: 12px;
    }
    
    .post-card {
        margin-bottom: 8px;
    }
}