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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            color: #333;
            line-height: 1.6;
        }
            main {
                flex: 1;
            }

        .container {
            max-width: 800px;
            margin: 0 auto;
            padding: 20px;
        }

        .header {
            text-align: center;
            color: white;
            margin-bottom: 40px;
            animation: fadeInDown 0.8s ease-out;
        }

        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .header h1 {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 15px;
            text-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        }

        .header .tagline {
            font-size: 1.3rem;
            opacity: 0.9;
            margin-bottom: 10px;
        }

        .header .subtitle {
            font-size: 1rem;
            opacity: 0.8;
        }

        .main-card {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(15px);
            border-radius: 25px;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
            overflow: hidden;
            animation: slideUp 0.8s ease-out;
            margin-bottom: 30px;
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

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

        .card-header::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
            animation: rotate 20s linear infinite;
        }

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

        .card-header h2 {
            font-size: 1.8rem;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .card-header p {
            opacity: 0.9;
            position: relative;
            z-index: 1;
        }

        .card-content {
            padding: 40px;
        }

        .form-group {
            margin-bottom: 25px;
        }

        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 8px;
            color: #333;
            font-size: 1.1rem;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 15px 20px;
            border: 2px solid #e0e0e0;
            border-radius: 15px;
            font-size: 1rem;
            font-family: inherit;
            transition: all 0.3s ease;
            background: #fafafa;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #667eea;
            background: white;
            box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
        }

        .form-group textarea {
            min-height: 300px;
            resize: vertical;
        }

.editable-div {
            width: 100%;
            min-height: 200px;
            padding: 16px;
            border: 2px solid #e1e5e9;
            border-radius: 12px;
            background-color: #ffffff;
            font-size: 14px;
            line-height: 1.5;
            color: #333;
            outline: none;
            box-sizing: border-box;
            transition: border-color 0.2s ease;
            overflow-y: auto;
            word-wrap: break-word;
        }

        .editable-div:focus {
            border-color: #7c3aed;
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
        }

        .editable-div:empty:before {
            content: "Write your long post here... You can write as much as you want! Perfect for longer thoughts, stories, opinions or anything else you can't fit on X, Bluesky, Threads or other social media.";
            color: #999;
            font-style: normal;
        }

        .editable-div:focus:empty:before {
            content: "";
        }

        .char-counter {
            text-align: right;
            font-size: 0.9rem;
            color: #666;
            margin-top: 5px;
        }

        .actions {
            display: flex;
            gap: 15px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 30px;
        }

        .btn {
            padding: 15px 35px;
            font-size: 1.1rem;
            font-weight: 600;
            border: none;
            border-radius: 25px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            min-width: 180px;
            justify-content: center;
        }

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

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(102, 126, 234, 0.4);
        }

        .btn-secondary {
            background: #f8f9fa;
            color: #333;
            border: 2px solid #e0e0e0;
        }

        .btn-secondary:hover {
            background: #e9ecef;
            border-color: #ced4da;
            transform: translateY(-2px);
        }

        .success-message {
            background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
            color: white;
            padding: 20px;
            border-radius: 15px;
            text-align: center;
            margin-bottom: 20px;
            display: none;
            animation: slideDown 0.5s ease-out;
        }

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

        .post-url {
            background: rgba(255, 255, 255, 0.9);
            padding: 15px;
            border-radius: 10px;
            margin: 15px 0;
            word-break: break-all;
            font-family: 'Courier New', monospace;
            border: 2px dashed rgba(255, 255, 255, 0.5);
        }

        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 40px;
        }

        .feature-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 30px 25px;
            text-align: center;
            color: white;
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .feature-card:hover {
            transform: translateY(-5px);
            background: rgba(255, 255, 255, 0.15);
        }

        .feature-icon {
            font-size: 2.5rem;
            margin-bottom: 15px;
            display: block;
        }

        .feature-title {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .feature-desc {
            opacity: 0.9;
            font-size: 0.95rem;
        }
            .editor-toolbar {
                position: absolute;
                background: white;
                border: 1px solid #ddd;
                border-radius: 8px;
                box-shadow: 0 4px 10px rgba(0,0,0,0.2);
                display: none;
                padding: 5px;
                z-index: 999;
                gap: 5px;
            }
            
            .editor-toolbar button {
                background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
                color: white;
                border: none;
                padding: 5px 10px;
                border-radius: 5px;
                cursor: pointer;
            }
            
            .editor-toolbar button:hover {
                opacity: 0.85;
            }

.static-toolbar {
                float: right;
                margin-top: -32px;
                margin-bottom: 10px;
                display: flex;
                gap: 8px;
            }

            .static-toolbar button {
                background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
                color: white;
                border: none;
                padding: 5px 10px;
                border-radius: 5px;
                cursor: pointer;
            }

.static-toolbar button:hover {
    opacity: 0.85;
}

#postContent {
    word-break: break-word;
    overflow-wrap: break-word;
    white-space: pre-wrap;
}

.history-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 30px;
    margin-top: 30px;
    animation: slideUp 0.8s ease-out;
}

.history-card h2 {
    font-size: 1.6rem;
    margin-bottom: 15px;
    color: #333;
    text-align: center;
}

.history-list {
    list-style: none;
    padding: 0;
}

.history-list li {
    background: rgba(255, 255, 255, 0.9);
    margin-bottom: 15px;
    padding: 15px 20px;
    border-radius: 12px;
    border: 2px solid #e0e0e0;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.history-list li:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.2);
}

.history-list li a {
    position: absolute;
    inset: 0;
    text-indent: -9999px;
}

.history-list li .title {
    position: relative;
    z-index: 1;
    color: #333;
    font-weight: 600;
    font-size: 1.05rem;
}

        @media (max-width: 768px) {
            .container {
                padding: 15px;
            }
            
            .header h1 {
                font-size: 2.5rem;
            }
            
            .header .tagline {
                font-size: 1.1rem;
            }
            
            .card-content {
                padding: 25px;
            }
            
            .actions {
                flex-direction: column;
                align-items: center;
            }
            
            .btn {
                width: 100%;
                max-width: 300px;
            }
            
            .features {
                grid-template-columns: 1fr;
            }
        }