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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.video-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.video-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

.logo-container {
    margin-bottom: 20px;
}

.logo {
    max-width: 200px;
    max-height: 80px;
    object-fit: contain;
}

.video-header h1 {
    font-size: 1.8rem;
}

.video-header h1 i {
    font-size: 2.8rem;
    color: #ffd700;
}

.video-header p {
    font-size: 1rem;
}

.video-container {
    position: relative;
    background: #000;
    aspect-ratio: 16/9;
    overflow: hidden;
}

#videoPlayer {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: #000;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.loading-spinner {
    text-align: center;
    color: white;
}

.loading-spinner i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 20px;
}

.loading-spinner p {
    font-size: 1.2rem;
    font-weight: 500;
}

.video-controls {
    padding: 30px;
    background: #f8f9fa;
}

.download-btn {
    width: 100%;
    padding: 15px 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.download-btn:active {
    transform: translateY(0);
}

.download-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.video-info {
    background: white;
    border-radius: 10px;
    padding: 20px;
    border: 1px solid #e9ecef;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #6c757d;
    font-size: 0.95rem;
}

.info-item i {
    color: #667eea;
    font-size: 1.1rem;
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    border-radius: 10px;
    padding: 20px;
    margin-top: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.error-message i {
    font-size: 1.2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .logo {
        max-width: 150px;
        max-height: 60px;
    }
    
    .video-header h1 {
        font-size: 1.8rem;
    }
    
    .video-header p {
        font-size: 1rem;
    }
    
    .video-controls {
        padding: 20px;
    }
    
    .download-btn {
        padding: 12px 20px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .video-header {
        padding: 20px;
    }
    
    .logo {
        max-width: 120px;
        max-height: 50px;
    }
    
    .video-header h1 {
        font-size: 1.4rem;
    }
    
    .video-header h1 i {
        font-size: 1.8rem;
    }
    
    .video-controls {
        padding: 15px;
    }
    
    .download-btn {
        padding: 10px 15px;
        font-size: 0.9rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.video-card {
    animation: fadeIn 0.6s ease-out;
}

/* Custom video controls styling */
video::-webkit-media-controls {
    background-color: rgba(0, 0, 0, 0.5);
}

video::-webkit-media-controls-panel {
    background-color: rgba(0, 0, 0, 0.5);
}

video::-webkit-media-controls-play-button {
    background-color: #667eea;
    border-radius: 50%;
}

/* Loading animation */
@keyframes pulse {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
    }
}

.loading-spinner p {
    animation: pulse 1.5s ease-in-out infinite;
}

/* Ana Sayfa Stilleri */
.welcome-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: fadeIn 0.6s ease-out;
}

.welcome-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.welcome-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

.welcome-header h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-align: center;
}

.welcome-header p {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 300;
}

.welcome-content {
    padding: 40px;
    background: #f8f9fa;
}

.welcome-message {
    text-align: center;
    margin-bottom: 40px;
}

.welcome-message i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 20px;
}

.welcome-message h2 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 15px;
}

.welcome-message p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

.example-url {
    background: #e9ecef;
    border-radius: 8px;
    padding: 15px;
    margin: 20px 0;
    display: inline-block;
}

.example-url code {
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    color: #495057;
    background: white;
    padding: 8px 12px;
    border-radius: 4px;
    border: 1px solid #dee2e6;
}

.qr-info {
    text-align: center;
    background: white;
    border-radius: 15px;
    padding: 30px;
    border: 1px solid #e9ecef;
}

.qr-info i {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 15px;
}

.qr-info h3 {
    font-size: 1.4rem;
    color: #333;
    margin-bottom: 10px;
}

.qr-info p {
    font-size: 1rem;
    color: #666;
    line-height: 1.5;
}

/* Modal Stilleri */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.modal-content {
    background: white;
    border-radius: 20px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 25px;
    border-radius: 20px 20px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: background 0.3s ease;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.modal-body {
    padding: 25px;
}

.modal-body p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.6;
}

/* Checkbox Stilleri */
.permission-checkbox {
    margin: 25px 0;
}

.checkbox-container {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    cursor: pointer;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.checkbox-container:hover {
    border-color: #667eea;
    background: #f8f9ff;
}

.checkbox-container input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 24px;
    height: 24px;
    border: 2px solid #ddd;
    border-radius: 6px;
    position: relative;
    flex-shrink: 0;
    margin-top: 2px;
    transition: all 0.3s ease;
}

.checkbox-container input[type="checkbox"]:checked + .checkmark {
    background: #667eea;
    border-color: #667eea;
}

.checkbox-container input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.checkbox-text {
    flex: 1;
}

.checkbox-text strong {
    display: block;
    color: #333;
    margin-bottom: 5px;
    font-size: 1rem;
}

.checkbox-text small {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Modal Butonları */
.modal-actions {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.btn-primary, .btn-secondary {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: #f8f9fa;
    color: #666;
    border: 2px solid #e9ecef;
}

.btn-secondary:hover {
    background: #e9ecef;
    color: #333;
}

/* Responsive Modal */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        margin: 20px;
    }
    
    .modal-header {
        padding: 15px 20px;
    }
    
    .modal-body {
        padding: 20px;
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .checkbox-container {
        padding: 12px;
    }
}