:root {
    --primary-color: #2196f3;
    --secondary-color: #1976d2;
    --dark-bg: #1a1a1a;
    --medium-bg: #222222;
    --light-bg: #333333;
    --text-color: #ffffff;
    --highlight: #03a9f4;
    --gray-text: #aaaaaa;
    --border-radius: 8px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-color);
    line-height: 1.6;
}

.app-container {
    display: grid;
    grid-template-rows: auto 1fr auto;
    min-height: 100vh;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--light-bg);
}

h1 {
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--primary-color);
    text-align: center;
}

h1 i {
    margin-right: 10px;
}

h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--highlight);
    display: flex;
    align-items: center;
}

h2 i, h3 i {
    margin-right: 10px;
}

h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: var (--gray-text);
}

/* Main content */
main {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 2rem;
    padding: 2rem 0;
}

/* Video player */
.player-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.video-container {
    width: 100%;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.video-js {
    width: 100%;
    height: 0;
    padding-top: 56.25%; /* 16:9 aspect ratio */
}

/* Custom Video.js styles */
.video-js .vjs-big-play-button {
    background-color: rgba(33, 150, 243, 0.7);
    border: none;
    border-radius: 50%;
    height: 80px;
    width: 80px;
    line-height: 80px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.video-js:hover .vjs-big-play-button {
    background-color: var(--primary-color);
}

.vjs-theme-forest .vjs-control-bar {
    background-color: rgba(0, 0, 0, 0.7);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

/* Fix for video.js seeking controls */
.video-js .vjs-progress-control {
    display: flex !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
}

.video-js .vjs-progress-holder {
    cursor: pointer !important;
}

.video-js .vjs-time-control {
    display: block !important;
}

.video-js .vjs-remaining-time {
    display: none !important;
}

.video-js.vjs-live .vjs-progress-control {
    display: flex !important;
}

.video-js.vjs-live .vjs-live-control {
    display: none !important;
}

/* Subtitle selector */
.subtitle-selector {
    background-color: var(--medium-bg);
    padding: 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

#subtitle-tracks {
    width: 100%;
    padding: 10px;
    background-color: var(--light-bg);
    color: var(--text-color);
    border: 1px solid var(--primary-color);
    border-radius: 4px;
    outline: none;
    cursor: pointer;
}

#subtitle-tracks:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Videos sidebar */
.videos-sidebar {
    display: flex;
    flex-direction: column;
    background-color: var(--medium-bg);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.search-bar {
    display: flex;
    margin-bottom: 1rem;
    gap: 10px;
}

#search-input {
    flex: 1;
    padding: 10px;
    background-color: var(--light-bg);
    border: 1px solid var(--light-bg);
    border-radius: 4px;
    color: var(--text-color);
    outline: none;
}

#search-input:focus {
    border-color: var(--primary-color);
}

#refresh-btn {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 4px;
    width: 40px;
    cursor: pointer;
    transition: background-color 0.2s;
}

#refresh-btn:hover {
    background-color: var(--primary-color);
}

.video-list-container {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.video-list {
    overflow-y: auto;
    height: 100%;
    padding-right: 8px;
}

.video-item {
    display: flex;
    align-items: center;
    background-color: var(--light-bg);
    margin-bottom: 10px;
    padding: 12px 15px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    border-left: 4px solid transparent;
}

.video-item:hover {
    background-color: #444444;
    transform: translateY(-2px);
}

.video-item.active {
    border-left-color: var(--primary-color);
    background-color: #444444;
}

.video-thumbnail {
    width: 80px;
    height: 45px;
    background-color: #000;
    margin-right: 15px;
    border-radius: 2px;
    overflow: hidden;
    flex-shrink: 0;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-info {
    flex: 1;
    overflow: hidden;
}

.video-title {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.video-meta {
    font-size: 0.8rem;
    color: var(--gray-text);
    margin-top: 4px;
}

.loading {
    text-align: center;
    padding: 20px;
    color: var(--gray-text);
}

.loading i {
    margin-right: 8px;
}

/* Footer */
footer {
    text-align: center;
    padding: 1.5rem 0;
    border-top: 1px solid var(--light-bg);
    font-size: 0.9rem;
    color: var(--gray-text);
}

/* Responsive design */
@media (max-width: 1024px) {
    main {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto;
    }
    
    .video-list-container {
        max-height: 300px;
    }
}

@media (max-width: 600px) {
    h1 {
        font-size: 1.8rem;
    }
    
    .app-container {
        padding: 0 10px;
    }
    
    main {
        padding: 1rem 0;
        gap: 1rem;
    }
    
    .subtitle-selector, .videos-sidebar {
        padding: 1rem;
    }
}