/* ==========================================
   SINHALA KARAOKE - MAIN STYLESHEET
   Responsive Blog-Style Layout
   ========================================== */

/* CSS Variables for easy theming */
:root {
    --primary-color: #FF0000;        /* YouTube Red */
    --primary-dark: #CC0000;         /* Darker Red */
    --secondary-color: #282828;      /* Dark Gray */
    --text-color: #333333;           /* Main Text */
    --text-light: #666666;           /* Secondary Text */
    --bg-color: #fafafa;             /* Page Background */
    --bg-white: #ffffff;             /* White Background */
    --border-color: #e0e0e0;         /* Borders */
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 12px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
    --max-width: 1200px;
    --header-height: 70px;
}

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

body {
    font-family: 'Roboto', 'Noto Sans Sinhala', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    font-size: 16px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

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

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */
.header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
}

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

/* Logo */
.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-icon {
    font-size: 1.8rem;
}

/* Navigation */
.nav-list {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-weight: 500;
    color: var(--text-color);
    padding: 5px 0;
    position: relative;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    transition: var(--transition);
    border-radius: 2px;
}

/* Mobile Menu Active State */
.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    background: linear-gradient(135deg, #fff5f5 0%, #fff 100%);
    padding: 60px 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.hero-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 5px;
    font-weight: 400;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 25px;
    font-family: 'Noto Sans Sinhala', sans-serif;
}

/* Subscribe Button */
.subscribe-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: var(--primary-color);
    color: white;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(255,0,0,0.3);
}

.subscribe-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,0,0,0.4);
}

.youtube-icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* ==========================================
   MAIN CONTENT LAYOUT
   ========================================== */
.main-container {
    padding: 40px 0;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 40px;
}

/* Filter Status Bar */
.filter-status {
    background-color: #fff3cd;
    border: 1px solid #ffeaa7;
    padding: 12px 20px;
    border-radius: 8px;
    margin-bottom: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.clear-filter {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
}

/* Posts Grid */
.posts-grid {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Individual Post Card */
.post-card {
    background-color: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    background-color: #000;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.post-content {
    padding: 25px;
}

.post-category {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.post-title {
    font-size: 1.4rem;
    color: var(--secondary-color);
    margin-bottom: 10px;
    line-height: 1.4;
}

.post-description {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 15px;
}

.post-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-light);
}

.post-date {
    display: flex;
    align-items: center;
    gap: 5px;
}

.watch-btn {
    color: var(--primary-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
}

.watch-btn:hover {
    gap: 10px;
}

/* No Results */
.no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
}

.no-results h3 {
    color: var(--text-color);
    font-size: 1.5rem;
    margin-bottom: 10px;
    font-family: 'Noto Sans Sinhala', sans-serif;
}

/* Load More Button */
.load-more-container {
    text-align: center;
    margin-top: 40px;
}

.load-more-btn {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 14px 40px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

/* ==========================================
   SIDEBAR WIDGETS
   ========================================== */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar-widget {
    background-color: var(--bg-white);
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.widget-title {
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-color);
    position: relative;
}

/* Search Widget */
.search-box {
    display: flex;
    gap: 10px;
}

.search-box input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-box button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 18px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition);
}

.search-box button:hover {
    background-color: var(--primary-dark);
}

/* Categories Widget */
.category-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.category-btn {
    width: 100%;
    text-align: left;
    padding: 12px 16px;
    background: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-color);
    transition: var(--transition);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: inherit;
}

.category-btn:hover {
    background-color: #f5f5f5;
    color: var(--primary-color);
    padding-left: 20px;
}

.category-btn.active {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
}

.category-btn .count {
    font-size: 0.8rem;
    opacity: 0.7;
}

/* Popular Songs Widget */
.popular-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.popular-item {
    display: flex;
    gap: 12px;
    padding: 10px;
    border-radius: 8px;
    transition: var(--transition);
    cursor: pointer;
}

.popular-item:hover {
    background-color: #f5f5f5;
}

.popular-thumb {
    width: 80px;
    height: 60px;
    background-color: #ddd;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
}

.popular-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.popular-info h5 {
    font-size: 0.95rem;
    margin-bottom: 4px;
    color: var(--text-color);
    line-height: 1.3;
}

.popular-info p {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* YouTube Widget */
.youtube-card {
    background-color: #f9f9f9;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
}

.yt-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    text-align: left;
}

.yt-logo {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.yt-info h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.yt-info p {
    font-size: 0.85rem;
    color: var(--text-light);
}

.yt-subscribe-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 10px 24px;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
    width: 100%;
    text-align: center;
    transition: var(--transition);
}

.yt-subscribe-btn:hover {
    background-color: var(--primary-dark);
    box-shadow: 0 4px 12px rgba(255,0,0,0.3);
}

/* ==========================================
   ABOUT & CONTACT SECTIONS
   ========================================== */
.section {
    padding: 60px 0;
    background-color: var(--bg-white);
    margin-top: 20px;
    border-top: 1px solid var(--border-color);
}

.section-title {
    text-align: center;
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 30px;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
    padding-bottom: 10px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content,
.contact-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text p {
    margin-bottom: 15px;
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.8;
}

.contact-content a {
    color: var(--primary-color);
    font-weight: 600;
}

.contact-content a:hover {
    text-decoration: underline;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background-color: var(--secondary-color);
    color: white;
    padding: 50px 0 25px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: white;
}

.footer-section p {
    color: #aaa;
    line-height: 1.8;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #aaa;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255,255,255,0.1);
    border-radius: 50%;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 25px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    color: #aaa;
    font-size: 0.9rem;
}

.credit {
    font-family: 'Noto Sans Sinhala', sans-serif;
    margin-top: 5px;
    color: #888;
}

/* ==========================================
   RESPONSIVE DESIGN - TABLET & MOBILE
   ========================================== */
@media screen and (max-width: 968px) {
    .content-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .sidebar {
        order: 2;
        max-width: 600px;
        margin: 0 auto;
        width: 100%;
    }

    .main-content {
        order: 1;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }
}

@media screen and (max-width: 768px) {
    :root {
        --header-height: 60px;
    }

    /* Mobile Navigation */
    .mobile-menu-btn {
        display: flex;
        z-index: 1001;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--bg-white);
        transition: var(--transition);
        box-shadow: var(--shadow);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
        padding: 20px;
    }

    .nav-link {
        display: block;
        padding: 15px;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-link.active {
        border-bottom-color: var(--primary-color);
        background-color: rgba(255,0,0,0.05);
    }

    /* Hero Section Mobile */
    .hero {
        padding: 40px 0;
    }

    .hero-title {
        font-size: 1.6rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    /* Post Cards Mobile */
    .post-content {
        padding: 20px;
    }

    .post-title {
        font-size: 1.2rem;
    }

    /* Sections Mobile */
    .section {
        padding: 40px 0;
    }

    .section-title {
        font-size: 1.6rem;
    }
}

@media screen and (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .logo-text {
        font-size: 1.2rem;
    }

    .subscribe-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .sidebar-widget {
        padding: 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.post-card {
    animation: fadeIn 0.5s ease forwards;
}

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

/* Selection Color */
::selection {
    background-color: var(--primary-color);
    color: white;
}