  :root {
            --primary: #003366;
            --accent: #ff6f00;
            --bg-light: #f0f8ff;
            --bg-white: #fff;
            --text-dark: #222;
            --text-muted: #555;
            --error-color: #d93025;
            --success-color: #137b41;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: "Poppins", sans-serif;
            background: var(--bg-light);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 0 1rem;
        }

        .register-container {
            background: var(--bg-white);
            padding: 2.5rem 2rem;
            border-radius: 12px;
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.2);
            width: 100%;
            max-width: 500px;
            animation: fadeInScale 0.8s ease-in-out;
        }

        @keyframes fadeInScale {
            from {
                opacity: 0;
                transform: scale(0.95) translateY(20px);
            }

            to {
                opacity: 1;
                transform: scale(1) translateY(0);
            }
        }

        h2 {
            text-align: center;
            color: var(--primary);
            margin-bottom: 1rem;
        }

        h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 3px;
            background: var(--accent);
            margin: 8px auto;
            border-radius: 2px;
        }

        p {
            text-align: center;
            color: var(--text-muted);
            margin-bottom: 2rem;
        }

        form {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        label {
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 0.3rem;
        }

        input {
            padding: 1rem;
            border-radius: 6px;
            border: 1px solid #ccc;
            font-size: 1rem;
            width: 100%;
            transition: border-color 0.3s, box-shadow 0.3s;
        }

        input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 10px rgba(255, 111, 0, 0.3);
            outline: none;
        }

        button {
            background-color: var(--accent);
            color: white;
            padding: 1rem;
            border: none;
            border-radius: 6px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background-color 0.3s, transform 0.2s;
            position: relative;
            overflow: hidden;
        }

        button:hover {
            background-color: #e65a00;
        }

        button:active {
            transform: scale(0.98);
        }

        footer {
            text-align: center;
            margin-top: 2rem;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        footer a {
            color: var(--accent);
            text-decoration: none;
        }

        footer a:hover {
            text-decoration: underline;
        }

        /* Password strength indicator */
        .password-strength {
            font-size: 0.9rem;
            color: var(--error-color);
            margin-top: 0.5rem;
        }

        .toggle-password {
            cursor: pointer;
            font-size: 0.9rem;
            color: var(--accent);
            margin-top: -0.5rem;
            margin-bottom: 0.5rem;
            align-self: flex-end;
        }

        /* Responsive design */
        @media (max-width: 480px) {
            .register-container {
                padding: 1.5rem;
            }

            button {
                font-size: 1rem;
            }
        }