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

        body {
            font-family: 'Georgia', serif;
            background-image: url("back.webp") ;
            background-size: cover;
            color: #fff;
            min-height: 100vh;
            overflow-x: hidden;
        }

        .header {
            text-align: center;
            padding: 2rem;
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255,255,255,0.2);
        }

        .header h1 {
            font-size: 3rem;
            margin-bottom: 0.5rem;
            background: linear-gradient(45deg, #ffd700, #ffb347);
            background-clip: text;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

        .header p {
            font-size: 1.2rem;
            opacity: 0.9;
            font-style: italic;
        }

        .gallery {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            padding: 3rem;
            max-width: 1400px;
            margin: 0 auto;
        }

        .artwork {
            position: relative;
            border-radius: 15px;
            overflow: hidden;
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.2);
            transition: all 0.3s ease;
            cursor: pointer;
            box-shadow: 0 8px 32px rgba(0,0,0,0.3);
        }

        .artwork:hover {
            transform: translateY(-10px) scale(1.02);
            box-shadow: 0 20px 50px rgba(255,215,0,0.3);
            border-color: #ffd700;
        }

        .artwork-image {
            width: 100%;
            height: 250px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .artwork-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0,0,0,0.8));
            padding: 1rem;
            color: white;
        }

        .artwork-title {
            font-size: 1.3rem;
            font-weight: bold;
            margin-bottom: 0.3rem;
        }

        .artwork-artist {
            font-size: 0.9rem;
            opacity: 0.8;
            font-style: italic;
        }

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

        .chat-container {
            background: linear-gradient(135deg, #2d2d44 0%, #1a1a2e 100%);
            border-radius: 20px;
            width: 90%;
            max-width: 600px;
            height: 80%;
            display: flex;
            flex-direction: column;
            border: 2px solid #ffd700;
            box-shadow: 0 0 50px rgba(255,215,0,0.3);
        }

        .chat-header {
            padding: 1.5rem;
            border-bottom: 1px solid rgba(255,255,255,0.2);
            text-align: center;
            background: rgba(255,215,0,0.1);
        }

        .chat-header h3 {
            color: #ffd700;
            margin-bottom: 0.5rem;
        }

        .chat-messages {
            flex: 1;
            padding: 1rem;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .message {
            padding: 1rem;
            border-radius: 15px;
            max-width: 80%;
            animation: fadeIn 0.5s ease;
        }

        .message.artwork-message {
            background: linear-gradient(135deg, #ffd700, #ffb347);
            color: #1a1a2e;
            align-self: flex-start;
            border-bottom-left-radius: 5px;
        }

        .message.user-message {
            background: rgba(255,255,255,0.1);
            color: white;
            align-self: flex-end;
            border-bottom-right-radius: 5px;
        }

        .chat-input-container {
            padding: 1rem;
            border-top: 1px solid rgba(255,255,255,0.2);
            display: flex;
            gap: 0.5rem;
        }

        .chat-input {
            flex: 1;
            padding: 0.8rem;
            border: none;
            border-radius: 10px;
            background: rgba(255,255,255,0.1);
            color: white;
            font-size: 1rem;
        }

        .chat-input::placeholder {
            color: rgba(255,255,255,0.6);
        }

        .send-btn, .close-btn {
            padding: 0.8rem 1.5rem;
            border: none;
            border-radius: 10px;
            background: linear-gradient(135deg, #ffd700, #ffb347);
            color: #1a1a2e;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .send-btn:hover, .close-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 5px 15px rgba(255,215,0,0.4);
        }

        .close-btn {
            position: absolute;
            top: 1rem;
            right: 1rem;
            padding: 0.5rem 1rem;
        }

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

        .pulse {
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.7); }
            70% { box-shadow: 0 0 0 10px rgba(255, 215, 0, 0); }
            100% { box-shadow: 0 0 0 0 rgba(255, 215, 0, 0); }
        }