/* Viktor Dufka TV - Základní styly */
:root {
    --primary-color: #4CAF50;    /* Zelená */
    --primary-hover: #388E3C;    /* Tmavší zelená */
    --secondary-color: #9C27B0;  /* Fialová */
    --secondary-hover: #7B1FA2;  /* Tmavší fialová */
    --accent-color: #FFEB3B;     /* Žlutá */
    --accent-hover: #FDD835;     /* Tmavší žlutá */
    --text-color: #333333;       /* Tmavě šedá pro text */
    --text-light: #757575;       /* Světlejší šedá pro podtext */
    --background-color: #FFFFFF; /* Bílá pro pozadí */
    --background-light: #F5F5F5; /* Světle šedá pro alternativní pozadí */
    --border-color: #E0E0E0;     /* Světle šedá pro okraje */
    --error-color: #F44336;      /* Červená pro chyby */
    --success-color: #4CAF50;    /* Zelená pro úspěch */
}

/* Základní reset pro lepší konzistenci */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

/* Hlavní kontejner pro obsah */
.vd-tv-main {
    max-width: 1400px;
    margin: 30px auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 30px;
}

/* Responsivní úprava pro tablet a mobil */
@media (max-width: 992px) {
    .vd-tv-main {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        order: -1;
    }
}

/* Stránka přehrávání videa */
.vd-tv-watch {
    max-width: 1400px;
    margin: 30px auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 30px;
}

@media (max-width: 992px) {
    .vd-tv-watch {
        grid-template-columns: 1fr;
    }
}

/* Stránka nahrávání videa */
.vd-tv-upload {
    max-width: 800px;
    margin: 30px auto;
    padding: 0 20px;
}

/* Video grid - seznam videí */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

@media (max-width: 768px) {
    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }
}

@media (max-width: 480px) {
    .video-grid {
        grid-template-columns: 1fr;
    }
}

/* Video karta */
.video-card {
    background-color: var(--background-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}

.video-card a {
    text-decoration: none;
    color: var(--text-color);
}

.thumbnail-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* Poměr stran 16:9 */
    background-color: #000;
    overflow: hidden;
}

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

.default-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #333;
    color: #fff;
}

.default-thumbnail i {
    font-size: 48px;
    opacity: 0.7;
}

.video-duration {
    position: absolute;
    bottom: 7px;
    right: 7px;
    background-color: rgba(0,0,0,0.7);
    color: white;
    padding: 3px 6px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.video-title {
    padding: 10px 15px;
    margin: 0;
    font-size: 16px;
    line-height: 1.4;
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.video-info {
    padding: 0 15px 15px;
    display: flex;
    flex-direction: column;
    font-size: 14px;
    color: var(--text-light);
}

.video-uploader {
    margin-bottom: 5px;
}

.video-stats {
    display: flex;
    justify-content: space-between;
}

/* Filtry a řazení */
.filters {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.filters h2 {
    margin: 0;
    font-size: 22px;
    color: var(--primary-color);
}

.sort-options {
    display: flex;
    align-items: center;
    gap: 15px;
}

.sort-options span {
    color: var(--text-light);
}

.sort-options a {
    text-decoration: none;
    color: var(--text-color);
    padding: 5px 10px;
    border-radius: 20px;
    transition: all 0.3s;
}

.sort-options a:hover {
    background-color: rgba(76, 175, 80, 0.1);
    color: var(--primary-color);
}

.sort-options a.active {
    background-color: var(--primary-color);
    color: white;
}

/* Stránkování */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin: 30px 0;
}

.pagination a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    text-decoration: none;
    color: var(--text-color);
    background-color: var(--background-light);
    transition: all 0.3s;
}

.pagination a.active {
    background-color: var(--primary-color);
    color: white;
}

.pagination a:hover:not(.active) {
    background-color: var(--border-color);
}

.pagination-dots {
    padding: 0 5px;
}

/* Sidebar */
.sidebar {
    top: 30px;
}

.sidebar-section {
    background-color: var(--background-color);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.sidebar-section h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-video {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-video:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.sidebar-video a {
    display: flex;
    gap: 10px;
    text-decoration: none;
    color: var(--text-color);
}

.sidebar-thumbnail {
    width: 120px;
    height: 68px;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
}

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

.sidebar-video-info {
    flex-grow: 1;
}

.sidebar-video-info h4 {
    font-size: 14px;
    margin: 0 0 5px 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sidebar-video-info .video-stats {
    font-size: 12px;
    color: var(--text-light);
    display: flex;
    gap: 10px;
}

/* Channel info */
.channel-info {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 10px;
}

.channel-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    object-fit: cover;
}

.channel-details h4 {
    margin: 0 0 5px 0;
    color: var(--secondary-color);
}

.channel-details p {
    margin: 0 0 8px 0;
    font-size: 14px;
    color: var(--text-light);
}

/* Přehrávač videa */
.video-player-container {
    background-color: var(--background-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.video-player {
    width: 100%;
    background-color: #000;
    position: relative;
    padding-top: 56.25%; /* 16:9 poměr stran */
}

.video-player video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.video-details {
    padding: 20px;
}

.video-title {
    font-size: 24px;
    margin: 0 0 15px 0;
    line-height: 1.3;
    color: var(--text-color);
}

.video-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    gap: 15px;
}

.video-meta span {
    color: var(--text-light);
    font-size: 14px;
    display: flex;
    align-items: center;
}

.video-meta span i {
    margin-right: 5px;
}

.admin-actions {
    margin-left: auto;
    display: flex;
    gap: 10px;
}

.admin-actions a {
    padding: 6px 12px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s;
}

.edit-btn {
    background-color: var(--accent-color);
    color: var(--text-color);
}

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

.delete-btn {
    background-color: var(--error-color);
    color: white;
}

.delete-btn:hover {
    background-color: #d32f2f;
}

.video-uploader {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.uploader-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.uploader-info h3 {
    margin: 0 0 5px 0;
    color: var(--secondary-color);
}

.uploader-info p {
    margin: 0;
    font-size: 14px;
    color: var(--text-light);
}

.video-description {
    margin-bottom: 20px;
}

.description-content {
    max-height: 80px;
    overflow: hidden;
    position: relative;
    transition: max-height 0.3s;
}

.description-content.expanded {
    max-height: 1000px;
}

#show-more-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    padding: 5px 0;
    font-weight: 600;
    transition: all 0.3s;
}

#show-more-btn:hover {
    color: var(--primary-hover);
}

/* Komentáře */
.comments-section {
    padding-top: 20px;
}

.comments-section h3 {
    margin-bottom: 20px;
    color: var(--text-color);
}

.comments-section h3 i {
    margin-right: 5px;
}

.comment-form {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.comment-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.comment-form form {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.comment-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    resize: vertical;
    min-height: 80px;
    font-family: 'Montserrat', sans-serif;
}

.comment-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.comment-form button {
    align-self: flex-end;
    padding: 8px 16px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 5px;
}

.comment-form button:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

.login-to-comment {
    background-color: var(--background-light);
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 30px;
    text-align: center;
}

.login-to-comment p {
    margin: 0;
}

.login-to-comment a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.login-to-comment a:hover {
    text-decoration: underline;
}

.comments-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.comment {
    display: flex;
    gap: 15px;
}

.comment-content {
    flex-grow: 1;
}

.comment-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 5px;
}

.comment-header h4 {
    margin: 0;
    font-size: 15px;
}

.comment-date {
    font-size: 13px;
    color: var(--text-light);
}

.comment-content p {
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
}

.comment-actions {
    margin-top: 8px;
    display: flex;
    gap: 15px;
}

.comment-actions a {
    font-size: 13px;
    color: var(--text-light);
    text-decoration: none;
}

.comment-actions a:hover {
    color: var(--primary-color);
}

.no-comments {
    text-align: center;
    padding: 30px 0;
    color: var(--text-light);
}

/* Stránka pro nahrávání videa */
.upload-container {
    background-color: var(--background-color);
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
}

.upload-container h2 {
    margin-top: 0;
    margin-bottom: 25px;
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-box {
    background-color: #E3F2FD;
    border-left: 4px solid #2196F3;
    padding: 15px;
    margin-bottom: 25px;
    border-radius: 5px;
}

.info-box h3 {
    margin-top: 0;
    margin-bottom: 10px;
    color: #0D47A1;
}

.info-box p {
    margin: 8px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.info-box i {
    color: #2196F3;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input[type="text"],
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
}

.form-group input[type="text"]:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 5px rgba(76,175,80,0.3);
}

.file-upload {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 30px;
    border: 2px dashed var(--border-color);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
    background-color: var(--background-light);
}

.file-upload:hover {
    border-color: var(--primary-color);
    background-color: rgba(76,175,80,0.05);
}

.file-upload i {
    font-size: 40px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.file-upload p {
    margin: 0;
    color: var(--text-light);
}

.file-upload input[type="file"] {
    display: none;
}

.thumbnail-preview {
    margin-top: 15px;
    max-width: 300px;
    max-height: 200px;
    border-radius: 5px;
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.form-actions button {
    padding: 12px 20px;
    border: none;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-actions button[type="submit"] {
    background-color: var(--primary-color);
    color: white;
}

.form-actions button[type="submit"]:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.form-actions button[type="button"] {
    background-color: #f5f5f5;
    color: var(--text-color);
}

.form-actions button[type="button"]:hover {
    background-color: #e0e0e0;
}

.error-message {
    background-color: #FFEBEE;
    color: #B71C1C;
    padding: 15px;
    border-radius: 5px;
    border-left: 4px solid var(--error-color);
    margin-bottom: 20px;
}

.error-message ul {
    margin: 10px 0 0 0;
    padding-left: 20px;
}

.success-message {
    background-color: #E8F5E9;
    color: #1B5E20;
    padding: 15px;
    border-radius: 5px;
    border-left: 4px solid var(--success-color);
    margin-bottom: 20px;
}

/* Stav, když nejsou žádná videa */
.no-videos {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 50px 0;
    text-align: center;
    grid-column: 1 / -1;
}

.no-videos i {
    font-size: 64px;
    color: var(--text-light);
    margin-bottom: 20px;
    opacity: 0.5;
}

.no-videos p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 25px;
}

.btn {
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* Zvýraznění administrátorských odkazů */
.admin-link {
    background-color: var(--accent-color);
    color: var(--text-color) !important;
    font-weight: 700;
    padding: 6px 12px !important;
    border-radius: 20px !important;
    display: flex;
    align-items: center;
    gap: 5px;
}

.admin-link:hover {
    background-color: var(--accent-hover) !important;
    transform: translateY(-2px);
}

/* Podpora pro dark mode */
@media (prefers-color-scheme: dark) {
    :root {
        --text-color: #E0E0E0;
        --text-light: #AAAAAA;
        --background-color: #212121;
        --background-light: #2D2D2D;
        --border-color: #424242;
    }
    
    .video-card {
        box-shadow: 0 3px 10px rgba(0,0,0,0.3);
    }
    
    .video-card:hover {
        box-shadow: 0 5px 15px rgba(0,0,0,0.4);
    }
    
    .info-box {
        background-color: #0D47A1;
        border-left-color: #2196F3;
    }
    
    .info-box h3 {
        color: #90CAF9;
    }
    
    .info-box p {
        color: #E0E0E0;
    }
    
    .error-message {
        background-color: #531313;
    }
    
    .success-message {
        background-color: #1B5E20;
        color: #E0E0E0;
    }
}