/* ===== ADVANCED FEATURES STYLING ===== */

/* Custom Theme Creator Modal */
.custom-theme-modal .modal-content {
    max-width: 700px;
    width: 95%;
}

.theme-creator {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-group input[type="text"] {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.form-group input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.color-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
}

.color-input-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    align-items: center;
}

.color-input-group label {
    font-size: 0.75rem;
    text-align: center;
}

.color-input-group input[type="color"] {
    width: 60px;
    height: 60px;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
}

.color-input-group input[type="color"]:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.theme-preview-area {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 2px solid var(--border-light);
}

.theme-preview-area h4 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.preview-chat {
    background: #ffffff;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    min-height: 120px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.preview-message {
    display: flex;
    align-items: flex-end;
}

.preview-message.sent {
    flex-direction: row-reverse;
}

.preview-bubble {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    max-width: 70%;
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

.btn-primary, .btn-secondary {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.875rem;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--text-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 2px solid var(--border-light);
}

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

/* Advanced Theme Selector */
.advanced-theme-selector {
    margin-top: var(--spacing-lg);
}

.advanced-theme-selector h4 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-weight: 600;
}

.theme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.theme-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.theme-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.theme-card.active {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: var(--text-white);
}

.theme-card.active .theme-info h5,
.theme-card.active .theme-info p {
    color: var(--text-white);
}

.theme-preview {
    margin-bottom: var(--spacing-sm);
}

.theme-colors {
    display: flex;
    height: 40px;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.theme-colors > div {
    flex: 1;
}

.theme-info h5 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2px;
    color: var(--text-primary);
}

.theme-info p {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.3;
}

.theme-customization {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Notification System */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-tooltip);
    min-width: 300px;
    max-width: 400px;
    animation: slideInFromTopRight var(--animation-duration-normal) var(--animation-easing-bounce);
}

.notification.success {
    border-left: 4px solid #10b981;
}

.notification.error {
    border-left: 4px solid #ef4444;
}

.notification.info {
    border-left: 4px solid var(--primary-color);
}

.notification-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.notification-content i {
    font-size: 1.25rem;
}

.notification.success i {
    color: #10b981;
}

.notification.error i {
    color: #ef4444;
}

.notification.info i {
    color: var(--primary-color);
}

.notification-content span {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-primary);
}

/* Platform-specific Interactive Elements */
.like-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    padding: 4px;
    border-radius: var(--radius-full);
}

.like-btn:hover {
    color: #ff0050;
    transform: scale(1.2);
}

.like-btn.liked {
    color: #ff0050;
    animation: heartbeat 0.6s ease-in-out;
}

.reactions-bar {
    display: flex;
    gap: 4px;
    margin-top: var(--spacing-xs);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.message:hover .reactions-bar {
    opacity: 1;
}

.reaction-btn {
    background: none;
    border: none;
    font-size: 0.875rem;
    cursor: pointer;
    padding: 2px 4px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.reaction-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.2);
}

.tweet-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xs);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.message:hover .tweet-actions {
    opacity: 1;
}

.tweet-action {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.875rem;
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.tweet-action:hover {
    background: rgba(29, 161, 242, 0.1);
    color: #1da1f2;
    transform: scale(1.1);
}

.encryption-badge {
    display: flex;
    align-items: center;
    gap: 4px;
    background: rgba(16, 185, 129, 0.1);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

/* Voice Message Styling */
.voice-message {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 200px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.voice-play-btn {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.voice-play-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.voice-waveform {
    flex: 1;
    height: 20px;
    background: linear-gradient(90deg, 
        var(--primary-color) 0%, 
        var(--primary-color) 30%, 
        rgba(255, 255, 255, 0.3) 30%, 
        rgba(255, 255, 255, 0.3) 100%
    );
    border-radius: var(--radius-full);
    position: relative;
    overflow: hidden;
}

.voice-duration {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    min-width: 30px;
    text-align: right;
}

/* File Message Styling */
.file-message {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    max-width: 300px;
    transition: all var(--transition-fast);
}

.file-message:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.file-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: var(--primary-gradient);
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.file-info {
    flex: 1;
    min-width: 0;
}

.file-name {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.file-size {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Link Preview Styling */
.link-preview {
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    overflow: hidden;
    max-width: 320px;
    margin-top: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    transition: all var(--transition-fast);
}

.link-preview:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.link-preview-image {
    width: 100%;
    height: 160px;
    object-fit: cover;
    background: rgba(255, 255, 255, 0.1);
}

.link-preview-content {
    padding: var(--spacing-md);
}

.link-preview-title {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.link-preview-description {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.link-preview-url {
    font-size: 0.75rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.link-preview-url:hover {
    text-decoration: underline;
}

/* Responsive Design for Advanced Features */
@media (max-width: 768px) {
    .theme-grid {
        grid-template-columns: 1fr;
    }
    
    .color-inputs {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .notification {
        top: 10px;
        right: 10px;
        left: 10px;
        min-width: auto;
    }
    
    .custom-theme-modal .modal-content {
        width: 95%;
        margin: 10px;
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .theme-customization {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .color-inputs {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .color-input-group input[type="color"] {
        width: 50px;
        height: 50px;
    }
    
    .file-message {
        max-width: 250px;
    }
    
    .link-preview {
        max-width: 280px;
    }
}