/* Modern Stylesheet for VideoHub */

/* Import Google Font */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* CSS Variables for a modern color palette */
:root {
    --primary-accent: #3ea6ff;
    --background-primary: #121212;
    --background-secondary: #1e1e1e;
    --background-tertiary: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #aaaaaa;
    --border-color: #3a3a3a;
    --shadow-color: rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Poppins', 'Arial', sans-serif;
    background-color: var(--background-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
header {
    background-color: var(--background-secondary);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    padding: 0 3rem; /* Increased horizontal padding */
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem; /* Reduced gap */
}

.youtube-logo {
    width: 90px;
    height: 20px;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Search Bar */
.search-bar {
    display: flex;
    flex: 1;
    max-width: 700px;
}

#searchInput {
    flex: 1;
    padding: 0.75rem 1.25rem;
    border: 1px solid var(--border-color);
    background-color: var(--background-primary);
    color: var(--text-primary);
    font-size: 1rem;
    border-radius: 50px 0 0 50px;
    outline: none;
    transition: border-color 0.3s;
}

#searchInput:focus {
    border-color: var(--primary-accent);
}

#searchBtn {
    padding: 0.75rem 1.5rem;
    background-color: var(--background-tertiary);
    border: 1px solid var(--border-color);
    border-left: none;
    border-radius: 0 50px 50px 0;
    cursor: pointer;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s;
}

#searchBtn:hover {
    background-color: var(--border-color);
}

/* Filters */
.filters {
    display: flex;
    gap: 0.75rem;
    padding: 1.5rem 0;
    overflow-x: auto;
    white-space: nowrap;
}

.filter-btn {
    padding: 0.5rem 1.25rem;
    background-color: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn:hover {
    background-color: var(--background-tertiary);
    color: var(--text-primary);
}

.filter-btn.active {
    background-color: var(--primary-accent);
    color: var(--background-primary);
    border-color: var(--primary-accent);
    font-weight: 600;
}

/* Video Grid */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    padding-bottom: 3rem;
}

.video-card {
    background-color: var(--background-secondary);
    border-radius: 1rem;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid transparent;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-color);
    border-color: var(--border-color);
}

.video-thumbnail {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    overflow: hidden;
    background-color: #000;
}

.video-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.video-card:hover .video-thumbnail img {
    transform: scale(1.05);
}

.video-duration {
    position: absolute;
    bottom: 0.5rem;
    right: 0.5rem;
    background-color: rgba(0, 0, 0, 0.8);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Video Info */
.video-info {
    padding: 1rem;
}

.video-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.video-channel {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.video-meta {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    gap: 0.5rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    overflow: auto;
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--background-secondary);
    margin: 5% auto;
    padding: 0;
    width: 90%;
    max-width: 1200px;
    border-radius: 1rem;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.close {
    color: var(--text-secondary);
    float: right;
    font-size: 2rem;
    font-weight: bold;
    padding: 0.5rem 1.5rem;
    cursor: pointer;
    transition: color 0.3s;
}

.close:hover,
.close:focus {
    color: var(--text-primary);
}

.video-player {
    width: 100%;
    background-color: #000;
}

.video-details {
    padding: 2rem;
}

.video-details h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.video-details .video-meta {
    margin-bottom: 1.5rem;
    font-size: 1rem;
    color: var(--text-secondary);
    gap: 1rem;
}

.video-details p {
    color: var(--text-secondary);
    line-height: 1.7;
}