/* =================================
   TUTORIAL VIDEO SYSTEM STYLES
   ================================= */

/* Ensure tutorial sections are visible when they have content */
.tutorial-videos-section {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color, #e0e0e0);
    text-align: center;
    opacity: 0.95;
    display: block !important;
    visibility: visible !important;
}

.tutorial-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary, #6c757d);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.tutorial-title i {
    font-size: 16px;
    color: var(--primary-color, #0d6efd);
}

.tutorial-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Tutorial Link Buttons */
.tutorial-link {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: none;
    border: none;
    color: var(--primary-color, #0d6efd);
    font-size: 12px;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    border: 1px solid transparent;
    visibility: visible !important;
}

.tutorial-link:hover {
    background-color: rgba(13, 110, 253, 0.1);
    color: var(--primary-color, #0d6efd);
    text-decoration: none;
    border-color: rgba(13, 110, 253, 0.2);
    transform: translateY(-1px);
}

.tutorial-link:active {
    transform: translateY(0);
}

.tutorial-link i {
    font-size: 14px;
}

/* Small tutorial links for header sections */
.tutorial-link-small {
    display: inline-flex !important;
    align-items: center;
    gap: 4px;
    background: none;
    border: 1px solid var(--border-color, #dee2e6);
    color: var(--text-secondary, #6c757d);
    font-size: 11px;
    font-weight: 500;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    margin-left: 6px;
    visibility: visible !important;
}

.tutorial-link-small:hover {
    background-color: var(--primary-color, #0d6efd);
    color: white;
    border-color: var(--primary-color, #0d6efd);
    text-decoration: none;
    transform: translateY(-1px);
}

.tutorial-link-small:active {
    transform: translateY(0);
}

.tutorial-link-small i {
    font-size: 12px;
}

/* Header actions container */
.tutorial-header-actions {
    display: flex !important;
    align-items: center;
    gap: 6px;
    visibility: visible !important;
}

/* Action buttons at bottom of sections */
.tutorial-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Tutorial Video Modal Styles */
#tutorialVideoModal .modal-dialog {
    max-width: 90vw;
    width: 90vw;
    margin: 1.5rem auto;
}

#tutorialVideoModal .modal-content {
    border: none;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

#tutorialVideoModal .modal-header {
    background: linear-gradient(135deg, var(--primary-color, #0d6efd), #20c997);
    color: white;
    border-bottom: none;
    padding: 16px 24px;
}

#tutorialVideoModal .modal-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: white !important;
}

#tutorialVideoModal .btn-close {
    filter: brightness(0) invert(1);
    opacity: 0.8;
}

#tutorialVideoModal .btn-close:hover {
    opacity: 1;
}

#tutorialVideoModal .modal-body {
    padding: 0;
    background: #000;
}

/* Video container */
.video-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background: #000;
}

.video-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a1a, #2a2a2a);
    color: #fff;
}

.placeholder-content {
    text-align: center;
}

.placeholder-content i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.7;
    animation: pulse 2s infinite;
}

.placeholder-content p {
    font-size: 1.1rem;
    margin: 0;
    opacity: 0.8;
}

@keyframes pulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

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

.video-content iframe {
    width: 100%;
    height: 100%;
    border: none;
}

#tutorialVideoModal .modal-footer {
    background-color: var(--bg-secondary, #f8f9fa);
    border-top: 1px solid var(--border-color, #dee2e6);
    padding: 12px 24px;
}

.tutorial-info {
    flex-grow: 1;
}

.tutorial-info small {
    font-size: 0.8rem;
    color: var(--text-secondary, #6c757d);
}

.tutorial-info i {
    margin-left: 4px;
    color: var(--primary-color, #0d6efd);
}

/* Dark Mode Support */
[data-theme="dark"] .tutorial-videos-section {
    border-top-color: var(--border-color, #495057);
}

[data-theme="dark"] .tutorial-title {
    color: var(--text-secondary, #adb5bd);
}

[data-theme="dark"] .tutorial-link {
    color: var(--primary-color, #20c997);
}

[data-theme="dark"] .tutorial-link:hover {
    background-color: rgba(32, 201, 151, 0.1);
    color: var(--primary-color, #20c997);
    border-color: rgba(32, 201, 151, 0.2);
}

[data-theme="dark"] .tutorial-link-small {
    color: var(--text-secondary, #adb5bd);
    border-color: var(--border-color, #495057);
}

[data-theme="dark"] .tutorial-link-small:hover {
    background-color: var(--primary-color, #20c997);
    color: white;
    border-color: var(--primary-color, #20c997);
}

[data-theme="dark"] #tutorialVideoModal .modal-content {
    background-color: var(--bg-primary, #212529);
    color: var(--text-primary, #f8f9fa);
}

[data-theme="dark"] #tutorialVideoModal .modal-footer {
    background-color: var(--bg-secondary, #343a40);
    border-top-color: var(--border-color, #495057);
}

[data-theme="dark"] .tutorial-info small {
    color: var(--text-secondary, #adb5bd);
}

/* Responsive Design */
@media (max-width: 768px) {
    #tutorialVideoModal .modal-dialog {
        max-width: 95vw;
        width: 95vw;
        margin: 1rem auto;
    }
    
    #tutorialVideoModal .modal-header {
        padding: 12px 16px;
    }
    
    #tutorialVideoModal .modal-title {
        font-size: 1rem;
    }
    
    #tutorialVideoModal .modal-footer {
        padding: 10px 16px;
    }
    
    .tutorial-link {
        font-size: 11px;
        padding: 5px 10px;
    }
    
    .tutorial-link-small {
        font-size: 10px;
        padding: 3px 6px;
    }
    
    .tutorial-header-actions {
        flex-wrap: wrap;
        gap: 4px;
    }
    
    .video-container {
        padding-bottom: 60%; /* Slightly taller for mobile */
    }
    
    .placeholder-content i {
        font-size: 3rem;
    }
    
    .placeholder-content p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .tutorial-videos-section {
        margin-top: 20px;
        padding-top: 15px;
    }
    
    .tutorial-title {
        font-size: 13px;
    }
    
    .tutorial-links {
        gap: 6px;
    }
    
    #tutorialVideoModal .modal-dialog {
        margin: 0.5rem auto;
    }
    
    .video-container {
        padding-bottom: 65%; /* Even taller for very small screens */
    }
}

/* Loading animation for video */
.video-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
}

.video-loading::after {
    content: '';
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Smooth transitions */
.tutorial-link,
.tutorial-link-small {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Focus states for accessibility */
.tutorial-link:focus,
.tutorial-link-small:focus {
    outline: 2px solid var(--primary-color, #0d6efd);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(13, 110, 253, 0.1);
}

[data-theme="dark"] .tutorial-link:focus,
[data-theme="dark"] .tutorial-link-small:focus {
    outline-color: var(--primary-color, #20c997);
    box-shadow: 0 0 0 4px rgba(32, 201, 151, 0.1);
}

/* Hide tutorial sections when empty */
.tutorial-videos-section:empty,
.tutorial-header-actions:empty,
.tutorial-actions:empty {
    display: none;
}

/* Ensure proper spacing between multiple tutorial links */
.tutorial-header-actions .tutorial-link-small + .tutorial-link-small {
    margin-left: 0;
}

/* Special styling for tutorial links in different contexts */
.tutorial-videos-section .tutorial-link {
    width: 100%;
    justify-content: flex-start;
    text-align: left;
    direction: rtl;
}

/* RTL support for Persian content */
[dir="rtl"] .tutorial-link,
[dir="rtl"] .tutorial-link-small {
    direction: rtl;
}

[dir="rtl"] .tutorial-header-actions {
    flex-direction: row-reverse;
}

[dir="rtl"] .tutorial-link i {
    margin-right: 0;
    margin-left: 6px;
}

[dir="rtl"] .tutorial-link-small i {
    margin-right: 0;
    margin-left: 4px;
}