@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

:root {
    --bg-color: #f4f6f8;
    --surface-color: #ffffff;
    --primary-color: #e50914;
    --text-primary: #121212;
    --text-secondary: #5a5a5a;
    --hover-color: #e2e4e8;
    --border-color: rgba(0, 0, 0, 0.1);
    --header-bg: rgba(244, 246, 248, 0.9);
    --search-icon: #5a5a5a;
    --footer-bg: #eaeef2;
}

body.dark-mode {
    --bg-color: #0f1014;
    --surface-color: #1a1c23;
    --primary-color: #e50914;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --hover-color: #2a2c36;
    --border-color: rgba(255, 255, 255, 0.05);
    --header-bg: rgba(15, 16, 20, 0.9);
    --search-icon: #a0a0a0;
    --footer-bg: #0b0c0f;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    transition: background-color 0.3s, color 0.3s;
}

.app-container {
    max-width: 2560px;
    margin: 0 auto;
    position: relative;
}

/* Sidebar Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    z-index: 140;
    backdrop-filter: blur(2px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

.sidebar-header {
    display: none;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background-color: var(--header-bg);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s, border-color 0.3s;
    flex-wrap: wrap;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 5px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 20px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-links a svg {
    width: 16px;
    height: 16px;
    stroke-width: 2.5;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--text-primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.search-bar {
    display: flex;
    align-items: center;
    background-color: var(--surface-color);
    border-radius: 20px;
    padding: 4px 4px 4px 15px;
    border: 1px solid #000000;
    transition: border-color 0.3s, background-color 0.3s;
}

body.dark-mode .search-bar {
    border-color: #ffffff;
}

.search-bar:focus-within {
    border-color: var(--primary-color) !important;
}

.search-bar input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    outline: none;
    padding: 5px 5px 5px 0;
    width: 210px;
    transition: width 0.3s;
}

.search-bar input::placeholder {
    color: var(--text-secondary);
}

.search-btn {
    background-color: var(--primary-color);
    border: none;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    flex-shrink: 0;
    transition: transform 0.3s, background-color 0.3s, box-shadow 0.3s;
}

.search-btn:hover {
    background-color: #ff0f1a;
    transform: scale(1.05);
    box-shadow: 0 4px 10px rgba(229, 9, 20, 0.4);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.icon-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    border-radius: 50%;
    transition: background-color 0.3s, color 0.3s;
}

.icon-btn:hover {
    background-color: var(--hover-color);
}

/* Premium Footer */
.premium-footer {
    background-color: var(--footer-bg);
    padding: 70px 40px 30px;
    margin-top: 60px;
    border-top: 1px solid var(--border-color);
    transition: background-color 0.3s, border-color 0.3s;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    justify-items: center;
    text-align: center;
}

.footer-col h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--text-primary);
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 15px;
}

.footer-col ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s;
}

.footer-col ul li a:hover {
    color: var(--primary-color);
}

.footer-logo {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    letter-spacing: 1px;
    margin-bottom: 20px;
    display: inline-block;
}

.footer-desc {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 14px;
    margin-bottom: 25px;
}

.footer-bottom {
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 14px;
    flex-wrap: wrap;
    gap: 20px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.social-icons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.social-icons a {
    color: var(--text-secondary);
    transition: color 0.3s, transform 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
}

.social-icons a:hover {
    color: var(--primary-color);
    transform: translateY(-3px);
    border-color: var(--primary-color);
}

/* ------------------------- */
/* RESPONSIVE MEDIA QUERIES  */
/* ------------------------- */

@media (max-width: 1024px) {
    .search-bar input {
        width: 160px;
    }
}

@media (max-width: 850px) {
    .mobile-menu-btn {
        display: block; 
    }
    
    .nav-links {
        display: flex;
        position: fixed;
        top: 0;
        left: -300px;
        width: 280px;
        height: 100vh;
        background-color: var(--surface-color);
        flex-direction: column;
        padding: 0;
        border-right: 1px solid var(--border-color);
        box-shadow: 10px 0 30px rgba(0,0,0,0.5);
        transition: left 0.4s ease;
        z-index: 150;
    }

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

    .sidebar-header {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        padding: 30px 25px 20px;
        border-bottom: none;
        background: none;
        margin-bottom: 10px;
        width: 100%;
    }

    .sidebar-header {
        background: none;
        border-bottom: none;
    }

    .brand {
        display: flex;
        flex-direction: column;
        gap: 5px;
    }

    .sidebar-header .logo {
        font-size: 22px;
        color: var(--primary-color) !important;
        font-weight: 700;
        letter-spacing: normal;
        text-shadow: none;
    }

    .sidebar-header .subtitle {
        font-size: 13px;
        color: var(--text-secondary);
        font-weight: 600;
    }

    .close-menu-btn {
        background: none;
        border: none;
        color: var(--text-secondary);
        cursor: pointer;
        width: 32px;
        height: 32px;
        border-radius: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: color 0.3s;
    }

    .close-menu-btn:hover {
        background: none;
        color: var(--text-primary);
        transform: none;
    }

    .nav-links a:not(.logo) {
        padding: 15px 25px;
        font-size: 15px;
        display: flex;
        align-items: center;
        gap: 15px;
        color: #5a5a5a;
        font-weight: 600;
        border-left: 3px solid transparent;
        transition: all 0.3s;
    }

    body.dark-mode .nav-links a:not(.logo) {
        color: #b8a8a8;
    }

    .nav-links a:not(.logo) svg {
        stroke-width: 2;
        opacity: 0.8;
        transition: opacity 0.3s;
    }

    .nav-links a:not(.logo):hover, .nav-links a:not(.logo).active {
        color: var(--primary-color);
        background: linear-gradient(90deg, rgba(229, 9, 20, 0.15) 0%, transparent 100%);
        border-left: 3px solid var(--primary-color);
    }

    body.dark-mode .nav-links a:not(.logo):hover, body.dark-mode .nav-links a:not(.logo).active {
        color: #ffd9d9;
    }

    .nav-links a:not(.logo):hover svg, .nav-links a:not(.logo).active svg {
        opacity: 1;
    }

    .search-bar input {
        width: 120px;
    }

    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
}

@media (max-width: 600px) {
    header {
        padding: 15px 20px;
    }

    .nav-links {
        padding: 20px;
    }

    .logo {
        font-size: 20px;
    }

    .header-right {
        width: 100%;
        order: 3;
        margin-top: 15px;
        display: flex;
        justify-content: center;
    }

    .search-bar {
        flex-grow: 1;
        max-width: 100%;
    }

    .search-bar input {
        width: 100%;
    }

    .theme-toggle {
        display: none;
    }
    .header-actions {
        position: absolute;
        top: 15px;
        right: 20px;
    }

    main {
        padding: 0 20px 15px 20px;
    }

    .categories {
        padding: 15px 20px;
    }

    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(100%, 1fr));
    }

    .premium-footer {
        padding: 40px 20px 20px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        justify-content: center;
    }
}

/* Global Categories */
.global-categories {
    display: flex;
    gap: 15px;
    padding: 20px 40px;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    background-color: var(--bg-color); /* ensures background matches */
}

.global-categories::-webkit-scrollbar {
    display: none;
}

.category-pill {
    padding: 8px 20px;
    background-color: var(--surface-color);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s ease;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    text-decoration: none;
}

.category-pill:hover, .category-pill.active {
    background-color: var(--text-primary);
    color: var(--bg-color);
    border-color: var(--text-primary);
}

@media (max-width: 768px) {
    .global-categories {
        padding: 15px 20px;
    }
}