/**
 * Beginners Block CMS - Main Stylesheet (v2.1.0)
 * Enhanced with improved logo visibility and design
 * 
 * Color scheme supports dynamic theming via CSS variables
 */

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

:root {
    --primary-blue: #0078b4;
    --secondary-green: #00963c;
    --accent-orange: #f05a00;
    --dark-navy: #001e3c;
    --light-bg: #f5f5f5;
    --white: #ffffff;
    --text-color: #333333;
    --border-color: #dddddd;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-bg);
}

/* ============================================
   HEADER STYLES
   ============================================ */

header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-green) 100%);
    color: var(--white);
    padding: 1rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

/* Logo Container with Tagline */
.logo-container {
    display: flex;
    align-items: center;
    flex: 1;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 18px;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.logo-link:hover {
    opacity: 0.95;
}

.logo-container img {
    height: 100px;
    width: auto;
    border: 2px solid;
    border-image: linear-gradient(135deg, rgba(255,255,255,0.5), rgba(255,255,255,0.2)) 1;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.logo-link:hover img {
    border-image: linear-gradient(135deg, rgba(255,255,255,0.8), rgba(255,255,255,0.5)) 1;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    transform: translateY(-3px);
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.site-title {
    font-size: 3rem;      /* ← CHANGED FROM 1.8rem */
    font-weight: bold;
	color: var(--title-color, #ffffff);            /* ← USE VARIABLE */
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    margin: 0;
    transition: all 0.3s ease;
    line-height: 1.2;
}

.site-tagline {
    font-size: 0.85rem;
    color: var(--tagline-color, #ffffff);          /* ← USE VARIABLE */
    margin: 0;
    opacity: 0.95;
    font-style: italic;
    line-height: 1.3;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* Theme Selector */
.theme-selector {
    display: flex;
    align-items: center;
}

.theme-selector select {
    padding: 10px 14px;
    border: none;
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.95);
    color: var(--dark-navy);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    min-width: 150px;
}

.theme-selector select:hover {
    background-color: white;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
    transform: translateY(-1px);
}

.theme-selector select:focus {
    outline: none;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

/* ============================================
   TOP NAVIGATION
   ============================================ */

.top-nav {
    background-color: var(--dark-navy);
    padding: 0;
}

.menu-toggle {
    display: none;
    background: var(--dark-navy);
    color: white;
    border: none;
    padding: 15px 20px;
    cursor: pointer;
    width: 100%;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.menu-toggle:hover {
    background-color: var(--primary-blue);
}

/* ============================================
   LAYOUT CONTAINER
   ============================================ */

.layout-container {
    max-width: 1400px;
    margin: 20px auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 30px;
}

/* ============================================
   LEFT SIDEBAR
   ============================================ */

.left-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-section {
    background-color: var(--white);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.sidebar-section h3 {
    color: var(--dark-navy);
    margin-bottom: 15px;
    border-bottom: 2px solid var(--secondary-green);
    padding-bottom: 8px;
    font-size: 1.1rem;
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 8px;
}

.sidebar-menu a {
    display: block;
    padding: 10px 12px;
    color: var(--primary-blue);
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all 0.3s;
    border-radius: 4px;
    font-weight: 500;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background-color: var(--light-bg);
    border-left-color: var(--secondary-green);
    padding-left: 15px;
    color: var(--dark-navy);
}

/* ============================================
   MAIN CONTENT
   ============================================ */

.main-content {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.page-content h1 {
    color: var(--dark-navy);
    margin-bottom: 20px;
    border-bottom: 3px solid var(--primary-blue);
    padding-bottom: 10px;
    font-size: 2.2rem;
}

.page-content h2 {
    color: var(--primary-blue);
    margin-top: 25px;
    margin-bottom: 15px;
    font-size: 1.7rem;
}

.page-content h3 {
    color: var(--secondary-green);
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 1.4rem;
}

.page-content p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.page-content ul, .page-content ol {
    margin-left: 30px;
    margin-bottom: 15px;
}

.page-content li {
    margin-bottom: 8px;
}

.page-content a {
    color: var(--primary-blue);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s;
    font-weight: 500;
}

.page-content a:hover {
    border-bottom-color: var(--primary-blue);
}

.page-content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 20px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.page-content blockquote {
    border-left: 4px solid var(--secondary-green);
    padding: 15px 20px;
    margin: 20px 0;
    background-color: var(--light-bg);
    font-style: italic;
    border-radius: 4px;
}

.page-content code {
    background-color: var(--light-bg);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    color: var(--accent-orange);
}

.page-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.page-content table th {
    background-color: var(--dark-navy);
    color: var(--white);
    padding: 12px;
    text-align: left;
    font-weight: 600;
}

.page-content table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
}

.page-content table tr:hover {
    background-color: var(--light-bg);
}

/* ============================================
   ADVERTISEMENTS
   ============================================ */

.ad-unit {
    background-color: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 10px;
    text-align: center;
    margin: 15px 0;
}

.ad-label {
    font-size: 0.7rem;
    color: #999;
    text-transform: uppercase;
    margin-bottom: 5px;
    font-weight: 600;
}

.header-ad {
    max-width: 1400px;
    margin: 10px auto;
    padding: 0 20px;
}

/* ============================================
   FOOTER ADVERTISEMENT
   ============================================ */

.footer-ad-container {
    max-width: 1400px;
    margin: 20px auto;
    padding: 0 20px;
}

.footer-ad-container .ad-unit {
    background-color: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 15px;
    text-align: center;
    margin-bottom: 0;
}

/* ============================================
   FOOTER ENHANCEMENTS
   ============================================ */

footer {
    background-color: var(--dark-navy);
    color: var(--white);
    text-align: center;
    padding: 25px 20px;
    margin-top: 50px;
    border-top: 3px solid var(--primary-blue);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.footer-copyright {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.9;
}

.footer-nav {
    margin: 0;
    font-size: 0.95rem;
}

footer a {
    color: var(--accent-orange);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0 2px;
}

footer a:hover {
    color: var(--secondary-green);
    text-decoration: underline;
}

/* Responsive footer */
@media (max-width: 600px) {
    footer {
        padding: 15px 10px;
    }
    
    .footer-content {
        gap: 10px;
    }
    
    .footer-copyright {
        font-size: 0.8rem;
    }
    
    .footer-nav {
        font-size: 0.85rem;
    }
}


/* ============================================
   MESSAGES
   ============================================ */

.message {
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    border-left: 4px solid;
}

.message.success {
    background-color: #e8f5e9;
    border-left-color: #4caf50;
    color: #2e7d32;
}

.message.error {
    background-color: #ffebee;
    border-left-color: #f44336;
    color: #c62828;
}

.message.info {
    background-color: #e3f2fd;
    border-left-color: #2196f3;
    color: #1565c0;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1000px) {
    .layout-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .left-sidebar {
        display: none;
    }
    
    .left-sidebar.active {
        display: flex;
        position: fixed;
        left: 0;
        top: 120px;
        width: 250px;
        background: var(--white);
        box-shadow: 2px 0 10px rgba(0,0,0,0.1);
        z-index: 1000;
        max-height: calc(100vh - 120px);
        overflow-y: auto;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .header-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .logo-container {
        width: 100%;
    }
    
    .theme-selector {
        width: 100%;
    }
    
    .theme-selector select {
        width: 100%;
        min-width: auto;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 0 15px;
    }
    
    .logo-link {
        gap: 12px;
    }
    
    .logo-container img {
        height: 75px;
    }
    
    .site-title {
        font-size: 1.8rem;      /* ← CHANGED FROM 1.4rem */
    }
    
    .site-tagline {
        font-size: 0.75rem;
    }
    
    .main-content {
        padding: 20px;
    }
    
    .page-content h1 {
        font-size: 1.8rem;
    }
    
    .page-content h2 {
        font-size: 1.4rem;
    }
}

@media (max-width: 600px) {
    body {
        font-size: 14px;
    }
    
    .layout-container {
        margin: 15px auto;
        padding: 0 15px;
        gap: 15px;
    }
    
    .header-container {
        padding: 0 10px;
    }
    
    .logo-link {
        gap: 10px;
    }
    
    .logo-container img {
        height: 65px;
    }
    
    .site-title {
        font-size: 1.8rem;      /* ← CHANGED FROM 1.1rem */
    }
    
    .site-tagline {
        font-size: 0.65rem;
    }
    
    .theme-selector select {
        padding: 8px 10px;
        font-size: 0.85rem;
    }
    
    .main-content {
        padding: 15px;
        border-radius: 6px;
    }
    
    .page-content h1 {
        font-size: 1.5rem;
        margin-bottom: 15px;
    }
    
    .page-content h2 {
        font-size: 1.2rem;
    }
    
    .page-content h3 {
        font-size: 1rem;
    }
    
    .sidebar-section {
        padding: 15px;
    }
    
    footer {
        padding: 15px 10px;
    }
    
    .menu-toggle {
        padding: 12px 15px;
        font-size: 0.95rem;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    header, nav, .left-sidebar, footer, .ad-unit {
        display: none;
    }
    
    .layout-container {
        grid-template-columns: 1fr;
        margin: 0;
        padding: 0;
    }
    
    .main-content {
        box-shadow: none;
        padding: 0;
    }
}