:root {
            --bg-color: #fcfbfa;
            --text-dark: #2c2c2c;
            --text-muted: #717171;
            --accent-soft: #e8baa1;
            --accent-deep: #b87d60;
            --card-bg: #ffffff;
            --border: #eceae6;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
        }

        body {
            background-color: var(--bg-color);
            color: var(--text-dark);
            line-height: 1.6;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            padding: 20px;
        }

        .container {
            width: 100%;
            max-width: 650px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 40px 30px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }

        /* Screen Transitions */
        .screen {
            display: none;
        }
        .screen.active {
            display: block;
        }

        /* Screen 1: Landing Page */
        .landing-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .landing-header h1 {
            font-weight: 300;
            font-size: 2.2rem;
            letter-spacing: 2px;
            color: var(--text-dark);
        }
        .landing-header p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-top: 10px;
        }
        .identity-selection {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .btn {
            background: none;
            border: 1px solid var(--accent-soft);
            color: var(--text-dark);
            padding: 16px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1rem;
            transition: all 0.2s ease;
            text-align: center;
        }
        .btn:hover {
            background-color: var(--bg-color);
            border-color: var(--accent-deep);
        }
        .btn-primary {
            background-color: var(--accent-soft);
            border: none;
        }
        .btn-primary:hover {
            background-color: var(--accent-deep);
            color: white;
        }

        /* Screen 2: Main Dashboard */
        .nav-back {
            background: none;
            border: none;
            color: var(--text-muted);
            cursor: pointer;
            font-size: 0.9rem;
            margin-bottom: 25px;
        }
        .nav-back:hover {
            color: var(--text-dark);
        }

        h2 {
            font-weight: 400;
            margin-bottom: 20px;
            font-size: 1.5rem;
        }

        /* Stats Grid */
        .stats-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-bottom: 30px;
        }
        .stat-card {
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 15px;
            background: var(--bg-color);
        }
        .stat-card h4 {
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .stat-bar-bg {
            background: #eef0f2;
            height: 8px;
            border-radius: 4px;
            overflow: hidden;
            margin-bottom: 5px;
        }
        .stat-bar-fill {
            height: 100%;
            background: var(--accent-soft);
            width: 0%;
            transition: width 0.6s ease;
        }
        .stat-value {
            font-size: 0.85rem;
            text-align: right;
            color: var(--text-dark);
        }

        /* Sliders / Inputs */
        .input-group {
            margin-bottom: 25px;
            border-top: 1px solid var(--border);
            padding-top: 20px;
        }
        .input-group label {
            display: block;
            font-size: 0.9rem;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .slider {
            width: 100%;
            accent-color: var(--accent-deep);
            margin-bottom: 15px;
        }

        /* Blog Section */
        .blog-section {
            border-top: 1px solid var(--border);
            padding-top: 25px;
            margin-top: 25px;
        }
        .blog-post {
            border-bottom: 1px solid var(--border);
            padding-bottom: 20px;
            margin-bottom: 20px;
        }
        .post-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 5px;
        }
        .post-content {
            font-size: 0.95rem;
            color: var(--text-dark);
            margin-bottom: 12px;
        }
        .reactions {
            display: flex;
            gap: 10px;
        }
        .reaction-btn {
            background: var(--bg-color);
            border: 1px solid var(--border);
            padding: 6px 12px;
            border-radius: 20px;
            cursor: pointer;
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .reaction-btn:hover {
            border-color: var(--accent-soft);
        }
        .reaction-btn.active {
            background: var(--accent-soft);
            border-color: var(--accent-soft);
        }